/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/goblint-regression/06-symbeq_15-list_entry_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:40:18,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:40:18,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:40:18,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:40:18,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:40:18,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:40:18,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:40:18,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:40:18,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:40:18,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:40:18,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:40:18,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:40:18,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:40:18,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:40:18,529 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:40:18,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:40:18,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:40:18,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:40:18,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:40:18,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:40:18,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:40:18,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:40:18,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:40:18,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:40:18,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-16 10:40:18,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-16 10:40:18,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-16 10:40:18,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-16 10:40:18,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-16 10:40:18,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-16 10:40:18,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-16 10:40:18,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-16 10:40:18,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-16 10:40:18,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-16 10:40:18,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-16 10:40:18,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-16 10:40:18,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-16 10:40:18,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-16 10:40:18,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:40:18,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:40:18,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:40:18,545 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-09-16 10:40:18,559 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:40:18,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:40:18,559 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:40:18,559 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:40:18,560 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:40:18,560 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:40:18,560 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:40:18,560 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:40:18,560 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:40:18,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:40:18,561 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:40:18,561 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:40:18,561 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:40:18,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:40:18,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:40:18,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:40:18,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:40:18,561 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:40:18,562 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:40:18,562 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:40:18,562 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:40:18,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:40:18,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:40:18,562 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:40:18,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:40:18,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:40:18,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:40:18,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:40:18,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:40:18,563 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:40:18,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:40:18,563 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:40:18,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:40:18,563 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:40:18,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:40:18,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:40:18,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:40:18,751 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:40:18,752 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:40:18,753 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_15-list_entry_nr.i [2022-09-16 10:40:18,802 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dd1b1810/ad6a93b9509b41e984509a1e59936ecb/FLAG70920270a [2022-09-16 10:40:19,187 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:40:19,188 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_15-list_entry_nr.i [2022-09-16 10:40:19,215 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dd1b1810/ad6a93b9509b41e984509a1e59936ecb/FLAG70920270a [2022-09-16 10:40:19,228 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dd1b1810/ad6a93b9509b41e984509a1e59936ecb [2022-09-16 10:40:19,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:40:19,232 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:40:19,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:40:19,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:40:19,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:40:19,236 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:40:19" (1/1) ... [2022-09-16 10:40:19,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@742e61d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:19, skipping insertion in model container [2022-09-16 10:40:19,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:40:19" (1/1) ... [2022-09-16 10:40:19,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:40:19,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:40:19,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:40:19,702 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:40:19,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:40:19,769 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:40:19,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:19 WrapperNode [2022-09-16 10:40:19,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:40:19,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:40:19,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:40:19,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:40:19,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:19" (1/1) ... [2022-09-16 10:40:19,786 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:19" (1/1) ... [2022-09-16 10:40:19,800 INFO L138 Inliner]: procedures = 365, calls = 15, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 56 [2022-09-16 10:40:19,800 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:40:19,800 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:40:19,800 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:40:19,800 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:40:19,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:19" (1/1) ... [2022-09-16 10:40:19,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:19" (1/1) ... [2022-09-16 10:40:19,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:19" (1/1) ... [2022-09-16 10:40:19,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:19" (1/1) ... [2022-09-16 10:40:19,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:19" (1/1) ... [2022-09-16 10:40:19,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:19" (1/1) ... [2022-09-16 10:40:19,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:19" (1/1) ... [2022-09-16 10:40:19,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:40:19,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:40:19,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:40:19,819 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:40:19,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:19" (1/1) ... [2022-09-16 10:40:19,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:40:19,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:40:19,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-09-16 10:40:19,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-09-16 10:40:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:40:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:40:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-16 10:40:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:40:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-09-16 10:40:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-09-16 10:40:19,889 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-09-16 10:40:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-09-16 10:40:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:40:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:40:19,890 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-16 10:40:19,967 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:40:19,968 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:40:20,074 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:40:20,079 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:40:20,079 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:40:20,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:40:20 BoogieIcfgContainer [2022-09-16 10:40:20,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:40:20,081 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:40:20,081 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:40:20,083 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:40:20,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:40:19" (1/3) ... [2022-09-16 10:40:20,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e80c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:40:20, skipping insertion in model container [2022-09-16 10:40:20,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:19" (2/3) ... [2022-09-16 10:40:20,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e80c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:40:20, skipping insertion in model container [2022-09-16 10:40:20,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:40:20" (3/3) ... [2022-09-16 10:40:20,085 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_15-list_entry_nr.i [2022-09-16 10:40:20,090 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:40:20,095 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:40:20,095 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-09-16 10:40:20,095 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:40:20,153 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:40:20,171 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 77 places, 73 transitions, 151 flow [2022-09-16 10:40:20,217 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 523 states, 515 states have (on average 1.887378640776699) internal successors, (972), 522 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:20,230 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:40:20,235 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@243adcd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:40:20,235 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-09-16 10:40:20,238 INFO L276 IsEmpty]: Start isEmpty. Operand has 523 states, 515 states have (on average 1.887378640776699) internal successors, (972), 522 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:20,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-09-16 10:40:20,243 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:20,243 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:20,244 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:20,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:20,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1780094849, now seen corresponding path program 1 times [2022-09-16 10:40:20,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:20,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359562979] [2022-09-16 10:40:20,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:20,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:20,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:20,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:20,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359562979] [2022-09-16 10:40:20,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359562979] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:20,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:20,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-09-16 10:40:20,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874144041] [2022-09-16 10:40:20,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:20,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-09-16 10:40:20,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:20,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-09-16 10:40:20,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-09-16 10:40:20,784 INFO L87 Difference]: Start difference. First operand has 523 states, 515 states have (on average 1.887378640776699) internal successors, (972), 522 states have internal predecessors, (972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 16 states, 15 states have (on average 2.4) internal successors, (36), 16 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:21,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:21,752 INFO L93 Difference]: Finished difference Result 551 states and 1013 transitions. [2022-09-16 10:40:21,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-09-16 10:40:21,754 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 2.4) internal successors, (36), 16 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-09-16 10:40:21,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:21,770 INFO L225 Difference]: With dead ends: 551 [2022-09-16 10:40:21,771 INFO L226 Difference]: Without dead ends: 551 [2022-09-16 10:40:21,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=292, Invalid=968, Unknown=0, NotChecked=0, Total=1260 [2022-09-16 10:40:21,776 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 786 mSDsluCounter, 842 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 786 SdHoareTripleChecker+Valid, 973 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:21,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [786 Valid, 973 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:40:21,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2022-09-16 10:40:21,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 529. [2022-09-16 10:40:21,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 523 states have (on average 1.8776290630975143) internal successors, (982), 528 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:21,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 982 transitions. [2022-09-16 10:40:21,844 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 982 transitions. Word has length 36 [2022-09-16 10:40:21,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:21,844 INFO L495 AbstractCegarLoop]: Abstraction has 529 states and 982 transitions. [2022-09-16 10:40:21,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 2.4) internal successors, (36), 16 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:21,844 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 982 transitions. [2022-09-16 10:40:21,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-09-16 10:40:21,846 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:21,846 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:21,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:40:21,847 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:21,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:21,848 INFO L85 PathProgramCache]: Analyzing trace with hash -651634337, now seen corresponding path program 1 times [2022-09-16 10:40:21,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:21,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352871308] [2022-09-16 10:40:21,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:21,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:22,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:22,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:22,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352871308] [2022-09-16 10:40:22,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352871308] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:22,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:22,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-09-16 10:40:22,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948261826] [2022-09-16 10:40:22,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:22,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-09-16 10:40:22,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:22,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-09-16 10:40:22,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-09-16 10:40:22,150 INFO L87 Difference]: Start difference. First operand 529 states and 982 transitions. Second operand has 16 states, 15 states have (on average 2.466666666666667) internal successors, (37), 16 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:22,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:22,869 INFO L93 Difference]: Finished difference Result 524 states and 960 transitions. [2022-09-16 10:40:22,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-09-16 10:40:22,869 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 2.466666666666667) internal successors, (37), 16 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-09-16 10:40:22,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:22,871 INFO L225 Difference]: With dead ends: 524 [2022-09-16 10:40:22,871 INFO L226 Difference]: Without dead ends: 488 [2022-09-16 10:40:22,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=239, Invalid=753, Unknown=0, NotChecked=0, Total=992 [2022-09-16 10:40:22,872 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 733 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 733 SdHoareTripleChecker+Valid, 924 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:22,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [733 Valid, 924 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:22,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2022-09-16 10:40:22,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 488. [2022-09-16 10:40:22,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 484 states have (on average 1.8574380165289257) internal successors, (899), 487 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:22,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 899 transitions. [2022-09-16 10:40:22,882 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 899 transitions. Word has length 37 [2022-09-16 10:40:22,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:22,883 INFO L495 AbstractCegarLoop]: Abstraction has 488 states and 899 transitions. [2022-09-16 10:40:22,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 2.466666666666667) internal successors, (37), 16 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:22,883 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 899 transitions. [2022-09-16 10:40:22,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-09-16 10:40:22,884 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:22,884 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:22,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:40:22,884 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:22,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:22,885 INFO L85 PathProgramCache]: Analyzing trace with hash 654835029, now seen corresponding path program 1 times [2022-09-16 10:40:22,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:22,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023071486] [2022-09-16 10:40:22,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:22,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:23,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:23,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:23,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023071486] [2022-09-16 10:40:23,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023071486] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:23,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:23,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-09-16 10:40:23,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756732052] [2022-09-16 10:40:23,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:23,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-09-16 10:40:23,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:23,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-09-16 10:40:23,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-09-16 10:40:23,100 INFO L87 Difference]: Start difference. First operand 488 states and 899 transitions. Second operand has 16 states, 15 states have (on average 2.466666666666667) internal successors, (37), 16 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:23,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:23,725 INFO L93 Difference]: Finished difference Result 503 states and 918 transitions. [2022-09-16 10:40:23,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-09-16 10:40:23,725 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 2.466666666666667) internal successors, (37), 16 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-09-16 10:40:23,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:23,727 INFO L225 Difference]: With dead ends: 503 [2022-09-16 10:40:23,727 INFO L226 Difference]: Without dead ends: 503 [2022-09-16 10:40:23,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=233, Invalid=697, Unknown=0, NotChecked=0, Total=930 [2022-09-16 10:40:23,728 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 611 mSDsluCounter, 722 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 827 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:23,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [611 Valid, 827 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:23,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2022-09-16 10:40:23,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 489. [2022-09-16 10:40:23,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 485 states have (on average 1.8536082474226805) internal successors, (899), 488 states have internal predecessors, (899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:23,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 899 transitions. [2022-09-16 10:40:23,738 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 899 transitions. Word has length 37 [2022-09-16 10:40:23,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:23,738 INFO L495 AbstractCegarLoop]: Abstraction has 489 states and 899 transitions. [2022-09-16 10:40:23,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 2.466666666666667) internal successors, (37), 16 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:23,738 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 899 transitions. [2022-09-16 10:40:23,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-09-16 10:40:23,739 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:23,739 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:23,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:40:23,740 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:23,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:23,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1174950429, now seen corresponding path program 1 times [2022-09-16 10:40:23,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:23,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849583817] [2022-09-16 10:40:23,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:23,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:24,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:24,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:24,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849583817] [2022-09-16 10:40:24,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849583817] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:24,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:24,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-09-16 10:40:24,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775368980] [2022-09-16 10:40:24,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:24,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-09-16 10:40:24,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:24,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-09-16 10:40:24,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-09-16 10:40:24,003 INFO L87 Difference]: Start difference. First operand 489 states and 899 transitions. Second operand has 16 states, 15 states have (on average 2.533333333333333) internal successors, (38), 16 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:24,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:24,541 INFO L93 Difference]: Finished difference Result 483 states and 879 transitions. [2022-09-16 10:40:24,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-09-16 10:40:24,541 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 2.533333333333333) internal successors, (38), 16 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-09-16 10:40:24,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:24,543 INFO L225 Difference]: With dead ends: 483 [2022-09-16 10:40:24,543 INFO L226 Difference]: Without dead ends: 450 [2022-09-16 10:40:24,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=249, Invalid=743, Unknown=0, NotChecked=0, Total=992 [2022-09-16 10:40:24,544 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 631 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 631 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:24,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [631 Valid, 870 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:24,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2022-09-16 10:40:24,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2022-09-16 10:40:24,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 446 states have (on average 1.8385650224215246) internal successors, (820), 449 states have internal predecessors, (820), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:24,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 820 transitions. [2022-09-16 10:40:24,556 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 820 transitions. Word has length 38 [2022-09-16 10:40:24,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:24,567 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 820 transitions. [2022-09-16 10:40:24,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 2.533333333333333) internal successors, (38), 16 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:24,567 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 820 transitions. [2022-09-16 10:40:24,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:24,569 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:24,569 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:24,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:40:24,569 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:24,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:24,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1768995369, now seen corresponding path program 1 times [2022-09-16 10:40:24,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:24,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877110413] [2022-09-16 10:40:24,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:24,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:24,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:24,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:24,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877110413] [2022-09-16 10:40:24,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877110413] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:24,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:24,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:24,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930811084] [2022-09-16 10:40:24,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:24,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:24,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:24,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:24,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:24,785 INFO L87 Difference]: Start difference. First operand 450 states and 820 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:24,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:24,957 INFO L93 Difference]: Finished difference Result 542 states and 980 transitions. [2022-09-16 10:40:24,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:24,957 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:24,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:24,960 INFO L225 Difference]: With dead ends: 542 [2022-09-16 10:40:24,960 INFO L226 Difference]: Without dead ends: 542 [2022-09-16 10:40:24,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:24,963 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 240 mSDsluCounter, 799 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 965 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:24,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 965 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:24,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2022-09-16 10:40:24,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 486. [2022-09-16 10:40:24,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 482 states have (on average 1.8319502074688796) internal successors, (883), 485 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:24,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 883 transitions. [2022-09-16 10:40:24,977 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 883 transitions. Word has length 50 [2022-09-16 10:40:24,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:24,978 INFO L495 AbstractCegarLoop]: Abstraction has 486 states and 883 transitions. [2022-09-16 10:40:24,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:24,978 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 883 transitions. [2022-09-16 10:40:24,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:24,979 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:24,979 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:24,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-16 10:40:24,979 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:24,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:24,979 INFO L85 PathProgramCache]: Analyzing trace with hash -511164253, now seen corresponding path program 2 times [2022-09-16 10:40:24,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:24,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938626649] [2022-09-16 10:40:24,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:24,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:25,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:25,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:25,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938626649] [2022-09-16 10:40:25,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938626649] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:25,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:25,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:25,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786502939] [2022-09-16 10:40:25,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:25,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:25,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:25,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:25,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:25,119 INFO L87 Difference]: Start difference. First operand 486 states and 883 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:25,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:25,370 INFO L93 Difference]: Finished difference Result 798 states and 1418 transitions. [2022-09-16 10:40:25,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:25,370 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:25,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:25,375 INFO L225 Difference]: With dead ends: 798 [2022-09-16 10:40:25,375 INFO L226 Difference]: Without dead ends: 798 [2022-09-16 10:40:25,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:25,377 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 352 mSDsluCounter, 874 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 1040 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:25,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 1040 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:25,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2022-09-16 10:40:25,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 499. [2022-09-16 10:40:25,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 495 states have (on average 1.8181818181818181) internal successors, (900), 498 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:25,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 900 transitions. [2022-09-16 10:40:25,389 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 900 transitions. Word has length 50 [2022-09-16 10:40:25,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:25,390 INFO L495 AbstractCegarLoop]: Abstraction has 499 states and 900 transitions. [2022-09-16 10:40:25,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:25,390 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 900 transitions. [2022-09-16 10:40:25,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:25,391 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:25,391 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:25,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-09-16 10:40:25,392 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:25,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:25,392 INFO L85 PathProgramCache]: Analyzing trace with hash 2118601753, now seen corresponding path program 3 times [2022-09-16 10:40:25,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:25,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609187060] [2022-09-16 10:40:25,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:25,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:25,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:25,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:25,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609187060] [2022-09-16 10:40:25,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609187060] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:25,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:25,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:25,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204435516] [2022-09-16 10:40:25,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:25,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:25,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:25,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:25,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:25,525 INFO L87 Difference]: Start difference. First operand 499 states and 900 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:25,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:25,738 INFO L93 Difference]: Finished difference Result 788 states and 1400 transitions. [2022-09-16 10:40:25,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:25,739 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:25,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:25,741 INFO L225 Difference]: With dead ends: 788 [2022-09-16 10:40:25,741 INFO L226 Difference]: Without dead ends: 788 [2022-09-16 10:40:25,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:25,742 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 284 mSDsluCounter, 787 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 953 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:25,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 953 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:25,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2022-09-16 10:40:25,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 499. [2022-09-16 10:40:25,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 495 states have (on average 1.8181818181818181) internal successors, (900), 498 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:25,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 900 transitions. [2022-09-16 10:40:25,768 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 900 transitions. Word has length 50 [2022-09-16 10:40:25,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:25,768 INFO L495 AbstractCegarLoop]: Abstraction has 499 states and 900 transitions. [2022-09-16 10:40:25,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:25,769 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 900 transitions. [2022-09-16 10:40:25,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:25,769 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:25,769 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:25,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-09-16 10:40:25,770 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:25,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:25,770 INFO L85 PathProgramCache]: Analyzing trace with hash 152610381, now seen corresponding path program 4 times [2022-09-16 10:40:25,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:25,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203247489] [2022-09-16 10:40:25,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:25,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:25,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:25,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:25,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203247489] [2022-09-16 10:40:25,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203247489] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:25,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:25,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:25,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124282354] [2022-09-16 10:40:25,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:25,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:25,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:25,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:25,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:25,875 INFO L87 Difference]: Start difference. First operand 499 states and 900 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:26,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:26,101 INFO L93 Difference]: Finished difference Result 661 states and 1175 transitions. [2022-09-16 10:40:26,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:26,102 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:26,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:26,104 INFO L225 Difference]: With dead ends: 661 [2022-09-16 10:40:26,104 INFO L226 Difference]: Without dead ends: 661 [2022-09-16 10:40:26,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:26,104 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 248 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 964 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:26,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 964 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:26,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2022-09-16 10:40:26,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 499. [2022-09-16 10:40:26,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 495 states have (on average 1.8181818181818181) internal successors, (900), 498 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:26,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 900 transitions. [2022-09-16 10:40:26,114 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 900 transitions. Word has length 50 [2022-09-16 10:40:26,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:26,114 INFO L495 AbstractCegarLoop]: Abstraction has 499 states and 900 transitions. [2022-09-16 10:40:26,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:26,114 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 900 transitions. [2022-09-16 10:40:26,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:26,115 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:26,115 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:26,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-09-16 10:40:26,115 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:26,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:26,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1215021813, now seen corresponding path program 5 times [2022-09-16 10:40:26,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:26,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494040466] [2022-09-16 10:40:26,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:26,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:26,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:26,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:26,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494040466] [2022-09-16 10:40:26,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494040466] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:26,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:26,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:26,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224557273] [2022-09-16 10:40:26,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:26,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:26,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:26,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:26,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:26,207 INFO L87 Difference]: Start difference. First operand 499 states and 900 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:26,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:26,433 INFO L93 Difference]: Finished difference Result 776 states and 1388 transitions. [2022-09-16 10:40:26,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:26,433 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:26,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:26,435 INFO L225 Difference]: With dead ends: 776 [2022-09-16 10:40:26,436 INFO L226 Difference]: Without dead ends: 776 [2022-09-16 10:40:26,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:26,436 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 313 mSDsluCounter, 858 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:26,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 1018 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:26,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2022-09-16 10:40:26,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 512. [2022-09-16 10:40:26,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 508 states have (on average 1.8228346456692914) internal successors, (926), 511 states have internal predecessors, (926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:26,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 926 transitions. [2022-09-16 10:40:26,445 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 926 transitions. Word has length 50 [2022-09-16 10:40:26,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:26,445 INFO L495 AbstractCegarLoop]: Abstraction has 512 states and 926 transitions. [2022-09-16 10:40:26,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:26,445 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 926 transitions. [2022-09-16 10:40:26,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:26,446 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:26,446 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:26,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-09-16 10:40:26,446 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:26,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:26,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1171521159, now seen corresponding path program 6 times [2022-09-16 10:40:26,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:26,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413936509] [2022-09-16 10:40:26,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:26,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:26,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:26,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:26,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413936509] [2022-09-16 10:40:26,534 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413936509] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:26,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:26,534 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:26,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274740467] [2022-09-16 10:40:26,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:26,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:26,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:26,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:26,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:26,535 INFO L87 Difference]: Start difference. First operand 512 states and 926 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:26,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:26,728 INFO L93 Difference]: Finished difference Result 863 states and 1527 transitions. [2022-09-16 10:40:26,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:26,729 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:26,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:26,731 INFO L225 Difference]: With dead ends: 863 [2022-09-16 10:40:26,731 INFO L226 Difference]: Without dead ends: 863 [2022-09-16 10:40:26,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:26,732 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 335 mSDsluCounter, 763 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 948 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:26,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 948 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:26,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2022-09-16 10:40:26,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 512. [2022-09-16 10:40:26,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 508 states have (on average 1.8228346456692914) internal successors, (926), 511 states have internal predecessors, (926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:26,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 926 transitions. [2022-09-16 10:40:26,741 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 926 transitions. Word has length 50 [2022-09-16 10:40:26,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:26,741 INFO L495 AbstractCegarLoop]: Abstraction has 512 states and 926 transitions. [2022-09-16 10:40:26,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:26,741 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 926 transitions. [2022-09-16 10:40:26,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:26,742 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:26,742 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:26,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-09-16 10:40:26,742 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:26,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:26,742 INFO L85 PathProgramCache]: Analyzing trace with hash -158003359, now seen corresponding path program 7 times [2022-09-16 10:40:26,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:26,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905442081] [2022-09-16 10:40:26,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:26,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:26,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:26,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:26,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905442081] [2022-09-16 10:40:26,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905442081] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:26,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:26,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:26,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813019521] [2022-09-16 10:40:26,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:26,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:26,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:26,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:26,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:26,843 INFO L87 Difference]: Start difference. First operand 512 states and 926 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:27,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:27,038 INFO L93 Difference]: Finished difference Result 1138 states and 1999 transitions. [2022-09-16 10:40:27,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:27,038 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:27,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:27,041 INFO L225 Difference]: With dead ends: 1138 [2022-09-16 10:40:27,041 INFO L226 Difference]: Without dead ends: 1138 [2022-09-16 10:40:27,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:27,042 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 375 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 984 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:27,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 984 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:27,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states. [2022-09-16 10:40:27,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 513. [2022-09-16 10:40:27,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 509 states have (on average 1.8231827111984282) internal successors, (928), 512 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:27,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 928 transitions. [2022-09-16 10:40:27,052 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 928 transitions. Word has length 50 [2022-09-16 10:40:27,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:27,052 INFO L495 AbstractCegarLoop]: Abstraction has 513 states and 928 transitions. [2022-09-16 10:40:27,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:27,053 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 928 transitions. [2022-09-16 10:40:27,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:27,053 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:27,053 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:27,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-09-16 10:40:27,054 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:27,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:27,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1823204649, now seen corresponding path program 8 times [2022-09-16 10:40:27,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:27,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601463611] [2022-09-16 10:40:27,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:27,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:27,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:27,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:27,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601463611] [2022-09-16 10:40:27,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601463611] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:27,144 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:27,144 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:27,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483478711] [2022-09-16 10:40:27,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:27,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:27,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:27,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:27,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:27,145 INFO L87 Difference]: Start difference. First operand 513 states and 928 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:27,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:27,367 INFO L93 Difference]: Finished difference Result 877 states and 1554 transitions. [2022-09-16 10:40:27,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:27,367 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:27,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:27,370 INFO L225 Difference]: With dead ends: 877 [2022-09-16 10:40:27,370 INFO L226 Difference]: Without dead ends: 877 [2022-09-16 10:40:27,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:27,371 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 265 mSDsluCounter, 892 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 1069 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:27,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 1069 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:27,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2022-09-16 10:40:27,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 512. [2022-09-16 10:40:27,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 508 states have (on average 1.8228346456692914) internal successors, (926), 511 states have internal predecessors, (926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:27,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 926 transitions. [2022-09-16 10:40:27,379 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 926 transitions. Word has length 50 [2022-09-16 10:40:27,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:27,380 INFO L495 AbstractCegarLoop]: Abstraction has 512 states and 926 transitions. [2022-09-16 10:40:27,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:27,380 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 926 transitions. [2022-09-16 10:40:27,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:27,380 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:27,380 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:27,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-09-16 10:40:27,381 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:27,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:27,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1307663115, now seen corresponding path program 9 times [2022-09-16 10:40:27,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:27,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821041829] [2022-09-16 10:40:27,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:27,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:27,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:27,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:27,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821041829] [2022-09-16 10:40:27,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821041829] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:27,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:27,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-09-16 10:40:27,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276575441] [2022-09-16 10:40:27,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:27,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-09-16 10:40:27,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:27,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-09-16 10:40:27,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-09-16 10:40:27,536 INFO L87 Difference]: Start difference. First operand 512 states and 926 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:27,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:27,885 INFO L93 Difference]: Finished difference Result 1069 states and 1872 transitions. [2022-09-16 10:40:27,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-09-16 10:40:27,886 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:27,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:27,888 INFO L225 Difference]: With dead ends: 1069 [2022-09-16 10:40:27,889 INFO L226 Difference]: Without dead ends: 1069 [2022-09-16 10:40:27,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=334, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:40:27,889 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 489 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 1005 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:27,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 1005 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:27,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2022-09-16 10:40:27,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 515. [2022-09-16 10:40:27,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 511 states have (on average 1.8238747553816046) internal successors, (932), 514 states have internal predecessors, (932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:27,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 932 transitions. [2022-09-16 10:40:27,899 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 932 transitions. Word has length 50 [2022-09-16 10:40:27,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:27,899 INFO L495 AbstractCegarLoop]: Abstraction has 515 states and 932 transitions. [2022-09-16 10:40:27,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:27,899 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 932 transitions. [2022-09-16 10:40:27,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:27,900 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:27,900 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:27,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-09-16 10:40:27,900 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:27,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:27,901 INFO L85 PathProgramCache]: Analyzing trace with hash -357538175, now seen corresponding path program 10 times [2022-09-16 10:40:27,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:27,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735901508] [2022-09-16 10:40:27,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:27,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:28,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:28,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:28,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735901508] [2022-09-16 10:40:28,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735901508] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:28,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:28,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:28,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798475509] [2022-09-16 10:40:28,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:28,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:28,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:28,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:28,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:28,100 INFO L87 Difference]: Start difference. First operand 515 states and 932 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:28,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:28,446 INFO L93 Difference]: Finished difference Result 1059 states and 1854 transitions. [2022-09-16 10:40:28,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:28,446 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:28,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:28,449 INFO L225 Difference]: With dead ends: 1059 [2022-09-16 10:40:28,449 INFO L226 Difference]: Without dead ends: 1059 [2022-09-16 10:40:28,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:28,450 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 293 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 1035 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:28,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 1035 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:28,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1059 states. [2022-09-16 10:40:28,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1059 to 514. [2022-09-16 10:40:28,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 510 states have (on average 1.8235294117647058) internal successors, (930), 513 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:28,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 930 transitions. [2022-09-16 10:40:28,459 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 930 transitions. Word has length 50 [2022-09-16 10:40:28,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:28,459 INFO L495 AbstractCegarLoop]: Abstraction has 514 states and 930 transitions. [2022-09-16 10:40:28,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:28,460 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 930 transitions. [2022-09-16 10:40:28,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:28,462 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:28,462 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:28,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-09-16 10:40:28,462 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:28,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:28,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1971437749, now seen corresponding path program 11 times [2022-09-16 10:40:28,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:28,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302304049] [2022-09-16 10:40:28,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:28,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:28,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:28,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:28,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302304049] [2022-09-16 10:40:28,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302304049] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:28,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:28,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:28,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053937269] [2022-09-16 10:40:28,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:28,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:28,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:28,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:28,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:28,639 INFO L87 Difference]: Start difference. First operand 514 states and 930 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:29,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:29,007 INFO L93 Difference]: Finished difference Result 803 states and 1418 transitions. [2022-09-16 10:40:29,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:29,007 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:29,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:29,009 INFO L225 Difference]: With dead ends: 803 [2022-09-16 10:40:29,009 INFO L226 Difference]: Without dead ends: 803 [2022-09-16 10:40:29,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:29,010 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 244 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:29,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 997 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:29,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2022-09-16 10:40:29,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 512. [2022-09-16 10:40:29,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 508 states have (on average 1.8228346456692914) internal successors, (926), 511 states have internal predecessors, (926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:29,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 926 transitions. [2022-09-16 10:40:29,019 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 926 transitions. Word has length 50 [2022-09-16 10:40:29,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:29,019 INFO L495 AbstractCegarLoop]: Abstraction has 512 states and 926 transitions. [2022-09-16 10:40:29,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:29,020 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 926 transitions. [2022-09-16 10:40:29,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:29,022 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:29,022 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:29,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-09-16 10:40:29,023 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:29,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:29,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1025516795, now seen corresponding path program 12 times [2022-09-16 10:40:29,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:29,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160754666] [2022-09-16 10:40:29,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:29,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:29,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:29,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:29,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160754666] [2022-09-16 10:40:29,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160754666] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:29,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:29,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-09-16 10:40:29,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134164248] [2022-09-16 10:40:29,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:29,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-09-16 10:40:29,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:29,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-09-16 10:40:29,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-09-16 10:40:29,242 INFO L87 Difference]: Start difference. First operand 512 states and 926 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:29,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:29,613 INFO L93 Difference]: Finished difference Result 840 states and 1514 transitions. [2022-09-16 10:40:29,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-09-16 10:40:29,614 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:29,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:29,616 INFO L225 Difference]: With dead ends: 840 [2022-09-16 10:40:29,616 INFO L226 Difference]: Without dead ends: 840 [2022-09-16 10:40:29,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:40:29,617 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 406 mSDsluCounter, 828 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 977 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:29,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 977 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:29,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2022-09-16 10:40:29,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 538. [2022-09-16 10:40:29,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 534 states have (on average 1.8314606741573034) internal successors, (978), 537 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:29,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 978 transitions. [2022-09-16 10:40:29,625 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 978 transitions. Word has length 50 [2022-09-16 10:40:29,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:29,625 INFO L495 AbstractCegarLoop]: Abstraction has 538 states and 978 transitions. [2022-09-16 10:40:29,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:29,625 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 978 transitions. [2022-09-16 10:40:29,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:29,626 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:29,626 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:29,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-09-16 10:40:29,626 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:29,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:29,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1739395725, now seen corresponding path program 13 times [2022-09-16 10:40:29,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:29,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885038986] [2022-09-16 10:40:29,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:29,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:29,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:29,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:29,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885038986] [2022-09-16 10:40:29,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885038986] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:29,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:29,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-09-16 10:40:29,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437031734] [2022-09-16 10:40:29,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:29,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-09-16 10:40:29,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:29,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-09-16 10:40:29,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-09-16 10:40:29,786 INFO L87 Difference]: Start difference. First operand 538 states and 978 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:30,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:30,167 INFO L93 Difference]: Finished difference Result 1044 states and 1870 transitions. [2022-09-16 10:40:30,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-09-16 10:40:30,167 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:30,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:30,170 INFO L225 Difference]: With dead ends: 1044 [2022-09-16 10:40:30,170 INFO L226 Difference]: Without dead ends: 1044 [2022-09-16 10:40:30,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:40:30,171 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 393 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 1069 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:30,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 1069 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:30,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2022-09-16 10:40:30,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 539. [2022-09-16 10:40:30,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 535 states have (on average 1.8317757009345794) internal successors, (980), 538 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:30,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 980 transitions. [2022-09-16 10:40:30,181 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 980 transitions. Word has length 50 [2022-09-16 10:40:30,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:30,181 INFO L495 AbstractCegarLoop]: Abstraction has 539 states and 980 transitions. [2022-09-16 10:40:30,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:30,181 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 980 transitions. [2022-09-16 10:40:30,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:30,182 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:30,182 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:30,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-09-16 10:40:30,182 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:30,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:30,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1782896379, now seen corresponding path program 14 times [2022-09-16 10:40:30,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:30,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323290668] [2022-09-16 10:40:30,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:30,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:30,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:30,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:30,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:30,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323290668] [2022-09-16 10:40:30,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323290668] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:30,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:30,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-09-16 10:40:30,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097014971] [2022-09-16 10:40:30,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:30,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-09-16 10:40:30,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:30,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-09-16 10:40:30,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-09-16 10:40:30,372 INFO L87 Difference]: Start difference. First operand 539 states and 980 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:30,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:30,773 INFO L93 Difference]: Finished difference Result 936 states and 1670 transitions. [2022-09-16 10:40:30,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-09-16 10:40:30,773 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:30,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:30,776 INFO L225 Difference]: With dead ends: 936 [2022-09-16 10:40:30,776 INFO L226 Difference]: Without dead ends: 936 [2022-09-16 10:40:30,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:40:30,776 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 399 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:30,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 935 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:30,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2022-09-16 10:40:30,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 538. [2022-09-16 10:40:30,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 534 states have (on average 1.8314606741573034) internal successors, (978), 537 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:30,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 978 transitions. [2022-09-16 10:40:30,785 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 978 transitions. Word has length 50 [2022-09-16 10:40:30,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:30,785 INFO L495 AbstractCegarLoop]: Abstraction has 538 states and 978 transitions. [2022-09-16 10:40:30,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:30,785 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 978 transitions. [2022-09-16 10:40:30,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:30,786 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:30,786 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:30,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-09-16 10:40:30,786 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:30,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:30,787 INFO L85 PathProgramCache]: Analyzing trace with hash -2018093257, now seen corresponding path program 15 times [2022-09-16 10:40:30,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:30,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212637621] [2022-09-16 10:40:30,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:30,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:30,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:30,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:30,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212637621] [2022-09-16 10:40:30,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212637621] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:30,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:30,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-09-16 10:40:30,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370997094] [2022-09-16 10:40:30,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:30,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-09-16 10:40:30,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:30,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-09-16 10:40:30,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-09-16 10:40:30,948 INFO L87 Difference]: Start difference. First operand 538 states and 978 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:31,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:31,306 INFO L93 Difference]: Finished difference Result 1174 states and 2091 transitions. [2022-09-16 10:40:31,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-09-16 10:40:31,306 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:31,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:31,309 INFO L225 Difference]: With dead ends: 1174 [2022-09-16 10:40:31,309 INFO L226 Difference]: Without dead ends: 1174 [2022-09-16 10:40:31,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:40:31,310 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 402 mSDsluCounter, 825 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 1011 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:31,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 1011 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:31,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1174 states. [2022-09-16 10:40:31,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1174 to 540. [2022-09-16 10:40:31,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 536 states have (on average 1.8320895522388059) internal successors, (982), 539 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:31,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 982 transitions. [2022-09-16 10:40:31,319 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 982 transitions. Word has length 50 [2022-09-16 10:40:31,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:31,320 INFO L495 AbstractCegarLoop]: Abstraction has 540 states and 982 transitions. [2022-09-16 10:40:31,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:31,320 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 982 transitions. [2022-09-16 10:40:31,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:31,320 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:31,320 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:31,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-09-16 10:40:31,321 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:31,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:31,321 INFO L85 PathProgramCache]: Analyzing trace with hash -2061593911, now seen corresponding path program 16 times [2022-09-16 10:40:31,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:31,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077239133] [2022-09-16 10:40:31,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:31,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:31,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:31,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:31,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077239133] [2022-09-16 10:40:31,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077239133] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:31,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:31,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:31,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110139405] [2022-09-16 10:40:31,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:31,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:31,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:31,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:31,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:31,412 INFO L87 Difference]: Start difference. First operand 540 states and 982 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:31,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:31,632 INFO L93 Difference]: Finished difference Result 1261 states and 2230 transitions. [2022-09-16 10:40:31,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:31,633 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:31,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:31,636 INFO L225 Difference]: With dead ends: 1261 [2022-09-16 10:40:31,636 INFO L226 Difference]: Without dead ends: 1261 [2022-09-16 10:40:31,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:31,637 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 348 mSDsluCounter, 944 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 1145 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:31,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 1145 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:31,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1261 states. [2022-09-16 10:40:31,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1261 to 539. [2022-09-16 10:40:31,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 535 states have (on average 1.8317757009345794) internal successors, (980), 538 states have internal predecessors, (980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:31,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 980 transitions. [2022-09-16 10:40:31,648 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 980 transitions. Word has length 50 [2022-09-16 10:40:31,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:31,648 INFO L495 AbstractCegarLoop]: Abstraction has 539 states and 980 transitions. [2022-09-16 10:40:31,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:31,648 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 980 transitions. [2022-09-16 10:40:31,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:31,649 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:31,649 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:31,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-09-16 10:40:31,649 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:31,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:31,649 INFO L85 PathProgramCache]: Analyzing trace with hash 903848867, now seen corresponding path program 17 times [2022-09-16 10:40:31,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:31,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602889717] [2022-09-16 10:40:31,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:31,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:31,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:31,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:31,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:31,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602889717] [2022-09-16 10:40:31,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602889717] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:31,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:31,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:31,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788561417] [2022-09-16 10:40:31,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:31,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:31,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:31,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:31,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:31,772 INFO L87 Difference]: Start difference. First operand 539 states and 980 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:31,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:31,983 INFO L93 Difference]: Finished difference Result 1212 states and 2144 transitions. [2022-09-16 10:40:31,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:31,984 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:31,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:31,987 INFO L225 Difference]: With dead ends: 1212 [2022-09-16 10:40:31,987 INFO L226 Difference]: Without dead ends: 1212 [2022-09-16 10:40:31,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:31,987 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 369 mSDsluCounter, 790 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:31,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 981 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:31,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1212 states. [2022-09-16 10:40:31,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 540. [2022-09-16 10:40:31,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 536 states have (on average 1.8320895522388059) internal successors, (982), 539 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:31,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 982 transitions. [2022-09-16 10:40:31,998 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 982 transitions. Word has length 50 [2022-09-16 10:40:31,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:31,998 INFO L495 AbstractCegarLoop]: Abstraction has 540 states and 982 transitions. [2022-09-16 10:40:31,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:31,998 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 982 transitions. [2022-09-16 10:40:31,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:31,999 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:31,999 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:31,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-09-16 10:40:31,999 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:32,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:32,000 INFO L85 PathProgramCache]: Analyzing trace with hash -761352423, now seen corresponding path program 18 times [2022-09-16 10:40:32,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:32,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838385064] [2022-09-16 10:40:32,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:32,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:32,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:32,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:32,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:32,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838385064] [2022-09-16 10:40:32,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838385064] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:32,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:32,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:32,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790410156] [2022-09-16 10:40:32,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:32,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:32,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:32,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:32,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:32,174 INFO L87 Difference]: Start difference. First operand 540 states and 982 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:32,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:32,531 INFO L93 Difference]: Finished difference Result 951 states and 1699 transitions. [2022-09-16 10:40:32,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:32,531 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:32,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:32,534 INFO L225 Difference]: With dead ends: 951 [2022-09-16 10:40:32,534 INFO L226 Difference]: Without dead ends: 951 [2022-09-16 10:40:32,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:32,534 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 291 mSDsluCounter, 778 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 954 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:32,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 954 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:32,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2022-09-16 10:40:32,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 538. [2022-09-16 10:40:32,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 534 states have (on average 1.8314606741573034) internal successors, (978), 537 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:32,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 978 transitions. [2022-09-16 10:40:32,544 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 978 transitions. Word has length 50 [2022-09-16 10:40:32,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:32,544 INFO L495 AbstractCegarLoop]: Abstraction has 538 states and 978 transitions. [2022-09-16 10:40:32,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:32,544 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 978 transitions. [2022-09-16 10:40:32,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:32,545 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:32,545 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:32,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-09-16 10:40:32,545 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:32,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:32,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1808986833, now seen corresponding path program 19 times [2022-09-16 10:40:32,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:32,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427807973] [2022-09-16 10:40:32,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:32,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:32,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:32,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:32,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427807973] [2022-09-16 10:40:32,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427807973] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:32,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:32,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-09-16 10:40:32,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100943538] [2022-09-16 10:40:32,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:32,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:40:32,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:32,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:40:32,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:40:32,904 INFO L87 Difference]: Start difference. First operand 538 states and 978 transitions. Second operand has 22 states, 21 states have (on average 2.380952380952381) internal successors, (50), 22 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:35,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:35,053 INFO L93 Difference]: Finished difference Result 730 states and 1318 transitions. [2022-09-16 10:40:35,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:40:35,054 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.380952380952381) internal successors, (50), 22 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:35,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:35,055 INFO L225 Difference]: With dead ends: 730 [2022-09-16 10:40:35,056 INFO L226 Difference]: Without dead ends: 730 [2022-09-16 10:40:35,056 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:40:35,056 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 660 mSDsluCounter, 1364 mSDsCounter, 0 mSdLazyCounter, 866 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 1478 SdHoareTripleChecker+Invalid, 891 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:35,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [660 Valid, 1478 Invalid, 891 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 866 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:40:35,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 730 states. [2022-09-16 10:40:35,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 730 to 600. [2022-09-16 10:40:35,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 596 states have (on average 1.8338926174496644) internal successors, (1093), 599 states have internal predecessors, (1093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:35,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 1093 transitions. [2022-09-16 10:40:35,064 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 1093 transitions. Word has length 50 [2022-09-16 10:40:35,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:35,064 INFO L495 AbstractCegarLoop]: Abstraction has 600 states and 1093 transitions. [2022-09-16 10:40:35,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.380952380952381) internal successors, (50), 22 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:35,064 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1093 transitions. [2022-09-16 10:40:35,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:35,065 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:35,065 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:35,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-09-16 10:40:35,065 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:35,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:35,066 INFO L85 PathProgramCache]: Analyzing trace with hash 878877949, now seen corresponding path program 1 times [2022-09-16 10:40:35,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:35,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870016952] [2022-09-16 10:40:35,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:35,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:35,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:35,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:35,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870016952] [2022-09-16 10:40:35,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870016952] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:35,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:35,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:35,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272346605] [2022-09-16 10:40:35,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:35,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:35,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:35,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:35,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:35,156 INFO L87 Difference]: Start difference. First operand 600 states and 1093 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:35,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:35,377 INFO L93 Difference]: Finished difference Result 1167 states and 2075 transitions. [2022-09-16 10:40:35,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:35,378 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:35,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:35,380 INFO L225 Difference]: With dead ends: 1167 [2022-09-16 10:40:35,380 INFO L226 Difference]: Without dead ends: 1167 [2022-09-16 10:40:35,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:35,381 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 286 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 1174 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:35,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 1174 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:35,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states. [2022-09-16 10:40:35,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 598. [2022-09-16 10:40:35,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 598 states, 594 states have (on average 1.8333333333333333) internal successors, (1089), 597 states have internal predecessors, (1089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:35,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 598 states and 1089 transitions. [2022-09-16 10:40:35,389 INFO L78 Accepts]: Start accepts. Automaton has 598 states and 1089 transitions. Word has length 50 [2022-09-16 10:40:35,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:35,390 INFO L495 AbstractCegarLoop]: Abstraction has 598 states and 1089 transitions. [2022-09-16 10:40:35,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:35,390 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 1089 transitions. [2022-09-16 10:40:35,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:35,390 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:35,391 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:35,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-09-16 10:40:35,391 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:35,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:35,391 INFO L85 PathProgramCache]: Analyzing trace with hash 835377295, now seen corresponding path program 2 times [2022-09-16 10:40:35,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:35,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444021481] [2022-09-16 10:40:35,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:35,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:35,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:35,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:35,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444021481] [2022-09-16 10:40:35,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444021481] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:35,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:35,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-09-16 10:40:35,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151397058] [2022-09-16 10:40:35,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:35,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:40:35,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:35,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:40:35,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=411, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:40:35,723 INFO L87 Difference]: Start difference. First operand 598 states and 1089 transitions. Second operand has 22 states, 21 states have (on average 2.380952380952381) internal successors, (50), 22 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:38,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:38,928 INFO L93 Difference]: Finished difference Result 814 states and 1462 transitions. [2022-09-16 10:40:38,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-09-16 10:40:38,928 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 2.380952380952381) internal successors, (50), 22 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:38,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:38,930 INFO L225 Difference]: With dead ends: 814 [2022-09-16 10:40:38,930 INFO L226 Difference]: Without dead ends: 814 [2022-09-16 10:40:38,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 892 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1012, Invalid=3278, Unknown=0, NotChecked=0, Total=4290 [2022-09-16 10:40:38,932 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 759 mSDsluCounter, 1496 mSDsCounter, 0 mSdLazyCounter, 1064 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 759 SdHoareTripleChecker+Valid, 1628 SdHoareTripleChecker+Invalid, 1097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:38,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [759 Valid, 1628 Invalid, 1097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1064 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:40:38,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2022-09-16 10:40:38,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 676. [2022-09-16 10:40:38,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 676 states, 672 states have (on average 1.8258928571428572) internal successors, (1227), 675 states have internal predecessors, (1227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:38,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 1227 transitions. [2022-09-16 10:40:38,940 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 1227 transitions. Word has length 50 [2022-09-16 10:40:38,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:38,940 INFO L495 AbstractCegarLoop]: Abstraction has 676 states and 1227 transitions. [2022-09-16 10:40:38,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 2.380952380952381) internal successors, (50), 22 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:38,940 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1227 transitions. [2022-09-16 10:40:38,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:38,941 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:38,941 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:38,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-09-16 10:40:38,941 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:38,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:38,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1112955291, now seen corresponding path program 20 times [2022-09-16 10:40:38,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:38,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519690854] [2022-09-16 10:40:38,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:38,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:39,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:39,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:39,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519690854] [2022-09-16 10:40:39,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519690854] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:39,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:39,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-09-16 10:40:39,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726647195] [2022-09-16 10:40:39,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:39,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-09-16 10:40:39,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:39,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-09-16 10:40:39,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-09-16 10:40:39,081 INFO L87 Difference]: Start difference. First operand 676 states and 1227 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:39,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:39,451 INFO L93 Difference]: Finished difference Result 1565 states and 2755 transitions. [2022-09-16 10:40:39,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-09-16 10:40:39,451 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:39,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:39,454 INFO L225 Difference]: With dead ends: 1565 [2022-09-16 10:40:39,454 INFO L226 Difference]: Without dead ends: 1565 [2022-09-16 10:40:39,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:40:39,455 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 442 mSDsluCounter, 1008 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 1216 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:39,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 1216 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:39,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1565 states. [2022-09-16 10:40:39,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1565 to 677. [2022-09-16 10:40:39,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 677 states, 673 states have (on average 1.826151560178306) internal successors, (1229), 676 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:39,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 1229 transitions. [2022-09-16 10:40:39,465 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 1229 transitions. Word has length 50 [2022-09-16 10:40:39,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:39,465 INFO L495 AbstractCegarLoop]: Abstraction has 677 states and 1229 transitions. [2022-09-16 10:40:39,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:39,466 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 1229 transitions. [2022-09-16 10:40:39,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:39,466 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:39,467 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:39,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-09-16 10:40:39,467 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:39,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:39,467 INFO L85 PathProgramCache]: Analyzing trace with hash -552245999, now seen corresponding path program 21 times [2022-09-16 10:40:39,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:39,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328655900] [2022-09-16 10:40:39,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:39,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:39,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:39,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:39,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328655900] [2022-09-16 10:40:39,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328655900] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:39,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:39,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:39,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267376372] [2022-09-16 10:40:39,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:39,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:39,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:39,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:39,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:39,617 INFO L87 Difference]: Start difference. First operand 677 states and 1229 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:39,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:39,999 INFO L93 Difference]: Finished difference Result 1388 states and 2447 transitions. [2022-09-16 10:40:40,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:40,000 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:40,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:40,002 INFO L225 Difference]: With dead ends: 1388 [2022-09-16 10:40:40,002 INFO L226 Difference]: Without dead ends: 1388 [2022-09-16 10:40:40,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:40,003 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 301 mSDsluCounter, 1008 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 1208 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:40,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 1208 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:40,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2022-09-16 10:40:40,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 676. [2022-09-16 10:40:40,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 676 states, 672 states have (on average 1.8258928571428572) internal successors, (1227), 675 states have internal predecessors, (1227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:40,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 1227 transitions. [2022-09-16 10:40:40,014 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 1227 transitions. Word has length 50 [2022-09-16 10:40:40,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:40,014 INFO L495 AbstractCegarLoop]: Abstraction has 676 states and 1227 transitions. [2022-09-16 10:40:40,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:40,014 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1227 transitions. [2022-09-16 10:40:40,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:40,015 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:40,015 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:40,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-09-16 10:40:40,015 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:40,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:40,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1716345531, now seen corresponding path program 22 times [2022-09-16 10:40:40,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:40,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294291054] [2022-09-16 10:40:40,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:40,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:40,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:40,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:40,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294291054] [2022-09-16 10:40:40,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294291054] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:40,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:40,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-09-16 10:40:40,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774406474] [2022-09-16 10:40:40,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:40,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-09-16 10:40:40,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:40,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-09-16 10:40:40,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-09-16 10:40:40,188 INFO L87 Difference]: Start difference. First operand 676 states and 1227 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:40,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:40,566 INFO L93 Difference]: Finished difference Result 1280 states and 2258 transitions. [2022-09-16 10:40:40,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-09-16 10:40:40,567 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:40,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:40,569 INFO L225 Difference]: With dead ends: 1280 [2022-09-16 10:40:40,569 INFO L226 Difference]: Without dead ends: 1280 [2022-09-16 10:40:40,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:40:40,569 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 411 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 1134 SdHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:40,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 1134 Invalid, 302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:40,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1280 states. [2022-09-16 10:40:40,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1280 to 679. [2022-09-16 10:40:40,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 675 states have (on average 1.8266666666666667) internal successors, (1233), 678 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:40,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 1233 transitions. [2022-09-16 10:40:40,581 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 1233 transitions. Word has length 50 [2022-09-16 10:40:40,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:40,581 INFO L495 AbstractCegarLoop]: Abstraction has 679 states and 1233 transitions. [2022-09-16 10:40:40,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:40,581 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1233 transitions. [2022-09-16 10:40:40,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:40,582 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:40,582 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:40,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-09-16 10:40:40,582 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:40,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:40,583 INFO L85 PathProgramCache]: Analyzing trace with hash 913420475, now seen corresponding path program 23 times [2022-09-16 10:40:40,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:40,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985572342] [2022-09-16 10:40:40,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:40,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:40,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:40,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:40,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985572342] [2022-09-16 10:40:40,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985572342] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:40,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:40,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:40,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736293229] [2022-09-16 10:40:40,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:40,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:40,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:40,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:40,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:40,771 INFO L87 Difference]: Start difference. First operand 679 states and 1233 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:41,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:41,152 INFO L93 Difference]: Finished difference Result 1270 states and 2240 transitions. [2022-09-16 10:40:41,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:41,152 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:41,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:41,154 INFO L225 Difference]: With dead ends: 1270 [2022-09-16 10:40:41,154 INFO L226 Difference]: Without dead ends: 1270 [2022-09-16 10:40:41,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:41,155 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 302 mSDsluCounter, 964 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 1156 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:41,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 1156 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:41,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1270 states. [2022-09-16 10:40:41,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1270 to 678. [2022-09-16 10:40:41,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 674 states have (on average 1.8264094955489614) internal successors, (1231), 677 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:41,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 1231 transitions. [2022-09-16 10:40:41,166 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 1231 transitions. Word has length 50 [2022-09-16 10:40:41,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:41,166 INFO L495 AbstractCegarLoop]: Abstraction has 678 states and 1231 transitions. [2022-09-16 10:40:41,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:41,166 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 1231 transitions. [2022-09-16 10:40:41,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:41,167 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:41,167 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:41,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-09-16 10:40:41,167 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:41,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:41,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1052570897, now seen corresponding path program 24 times [2022-09-16 10:40:41,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:41,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192399976] [2022-09-16 10:40:41,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:41,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:41,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:41,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:41,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192399976] [2022-09-16 10:40:41,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192399976] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:41,262 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:41,262 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:41,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466396345] [2022-09-16 10:40:41,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:41,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:41,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:41,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:41,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:41,263 INFO L87 Difference]: Start difference. First operand 678 states and 1231 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:41,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:41,502 INFO L93 Difference]: Finished difference Result 1062 states and 1886 transitions. [2022-09-16 10:40:41,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:41,503 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:41,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:41,505 INFO L225 Difference]: With dead ends: 1062 [2022-09-16 10:40:41,505 INFO L226 Difference]: Without dead ends: 1062 [2022-09-16 10:40:41,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:41,505 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 255 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 1122 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:41,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 1122 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:41,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2022-09-16 10:40:41,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 676. [2022-09-16 10:40:41,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 676 states, 672 states have (on average 1.8258928571428572) internal successors, (1227), 675 states have internal predecessors, (1227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:41,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 1227 transitions. [2022-09-16 10:40:41,515 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 1227 transitions. Word has length 50 [2022-09-16 10:40:41,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:41,515 INFO L495 AbstractCegarLoop]: Abstraction has 676 states and 1227 transitions. [2022-09-16 10:40:41,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:41,515 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1227 transitions. [2022-09-16 10:40:41,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:41,516 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:41,516 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:41,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-09-16 10:40:41,516 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:41,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:41,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1651102257, now seen corresponding path program 25 times [2022-09-16 10:40:41,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:41,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036304006] [2022-09-16 10:40:41,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:41,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:41,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:41,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:41,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036304006] [2022-09-16 10:40:41,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036304006] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:41,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:41,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:41,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865659180] [2022-09-16 10:40:41,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:41,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:41,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:41,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:41,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:41,618 INFO L87 Difference]: Start difference. First operand 676 states and 1227 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:41,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:41,877 INFO L93 Difference]: Finished difference Result 1114 states and 1997 transitions. [2022-09-16 10:40:41,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:41,878 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:41,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:41,879 INFO L225 Difference]: With dead ends: 1114 [2022-09-16 10:40:41,879 INFO L226 Difference]: Without dead ends: 1114 [2022-09-16 10:40:41,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:41,880 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 251 mSDsluCounter, 911 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 1078 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:41,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 1078 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:41,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2022-09-16 10:40:41,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 680. [2022-09-16 10:40:41,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 676 states have (on average 1.8269230769230769) internal successors, (1235), 679 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:41,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 1235 transitions. [2022-09-16 10:40:41,888 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 1235 transitions. Word has length 50 [2022-09-16 10:40:41,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:41,889 INFO L495 AbstractCegarLoop]: Abstraction has 680 states and 1235 transitions. [2022-09-16 10:40:41,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:41,889 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1235 transitions. [2022-09-16 10:40:41,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:41,890 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:41,890 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:41,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-09-16 10:40:41,890 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:41,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:41,890 INFO L85 PathProgramCache]: Analyzing trace with hash -137762385, now seen corresponding path program 26 times [2022-09-16 10:40:41,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:41,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549006317] [2022-09-16 10:40:41,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:41,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:41,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:41,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:41,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549006317] [2022-09-16 10:40:41,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549006317] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:41,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:41,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:41,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863233346] [2022-09-16 10:40:41,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:41,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:41,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:41,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:41,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:41,996 INFO L87 Difference]: Start difference. First operand 680 states and 1235 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:42,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:42,236 INFO L93 Difference]: Finished difference Result 1318 states and 2353 transitions. [2022-09-16 10:40:42,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:42,236 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:42,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:42,238 INFO L225 Difference]: With dead ends: 1318 [2022-09-16 10:40:42,238 INFO L226 Difference]: Without dead ends: 1318 [2022-09-16 10:40:42,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:42,239 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 300 mSDsluCounter, 935 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 1113 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:42,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 1113 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:42,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2022-09-16 10:40:42,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 681. [2022-09-16 10:40:42,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 681 states, 677 states have (on average 1.8271787296898079) internal successors, (1237), 680 states have internal predecessors, (1237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:42,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 1237 transitions. [2022-09-16 10:40:42,252 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 1237 transitions. Word has length 50 [2022-09-16 10:40:42,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:42,252 INFO L495 AbstractCegarLoop]: Abstraction has 681 states and 1237 transitions. [2022-09-16 10:40:42,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:42,252 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 1237 transitions. [2022-09-16 10:40:42,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:42,253 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:42,253 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:42,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-09-16 10:40:42,253 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:42,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:42,253 INFO L85 PathProgramCache]: Analyzing trace with hash -181263039, now seen corresponding path program 27 times [2022-09-16 10:40:42,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:42,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290839800] [2022-09-16 10:40:42,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:42,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:42,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:42,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:42,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290839800] [2022-09-16 10:40:42,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290839800] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:42,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:42,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-09-16 10:40:42,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604403111] [2022-09-16 10:40:42,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:42,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-09-16 10:40:42,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:42,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-09-16 10:40:42,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-09-16 10:40:42,414 INFO L87 Difference]: Start difference. First operand 681 states and 1237 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:42,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:42,801 INFO L93 Difference]: Finished difference Result 1210 states and 2153 transitions. [2022-09-16 10:40:42,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-09-16 10:40:42,802 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:42,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:42,803 INFO L225 Difference]: With dead ends: 1210 [2022-09-16 10:40:42,804 INFO L226 Difference]: Without dead ends: 1210 [2022-09-16 10:40:42,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:40:42,804 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 403 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 1110 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:42,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [403 Valid, 1110 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:42,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1210 states. [2022-09-16 10:40:42,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1210 to 678. [2022-09-16 10:40:42,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 674 states have (on average 1.8264094955489614) internal successors, (1231), 677 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:42,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 1231 transitions. [2022-09-16 10:40:42,813 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 1231 transitions. Word has length 50 [2022-09-16 10:40:42,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:42,814 INFO L495 AbstractCegarLoop]: Abstraction has 678 states and 1231 transitions. [2022-09-16 10:40:42,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:42,814 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 1231 transitions. [2022-09-16 10:40:42,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:42,815 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:42,815 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:42,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-09-16 10:40:42,815 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:42,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:42,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1551937169, now seen corresponding path program 28 times [2022-09-16 10:40:42,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:42,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364454644] [2022-09-16 10:40:42,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:42,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:42,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:42,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:42,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364454644] [2022-09-16 10:40:42,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364454644] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:42,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:42,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-09-16 10:40:42,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112335022] [2022-09-16 10:40:42,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:42,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-09-16 10:40:42,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:42,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-09-16 10:40:42,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-09-16 10:40:42,962 INFO L87 Difference]: Start difference. First operand 678 states and 1231 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:43,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:43,331 INFO L93 Difference]: Finished difference Result 1448 states and 2574 transitions. [2022-09-16 10:40:43,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-09-16 10:40:43,332 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:43,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:43,333 INFO L225 Difference]: With dead ends: 1448 [2022-09-16 10:40:43,333 INFO L226 Difference]: Without dead ends: 1448 [2022-09-16 10:40:43,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:40:43,334 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 411 mSDsluCounter, 852 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 1040 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:43,334 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 1040 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:43,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1448 states. [2022-09-16 10:40:43,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1448 to 680. [2022-09-16 10:40:43,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 676 states have (on average 1.8269230769230769) internal successors, (1235), 679 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:43,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 1235 transitions. [2022-09-16 10:40:43,344 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 1235 transitions. Word has length 50 [2022-09-16 10:40:43,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:43,344 INFO L495 AbstractCegarLoop]: Abstraction has 680 states and 1235 transitions. [2022-09-16 10:40:43,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:43,344 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1235 transitions. [2022-09-16 10:40:43,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:43,345 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:43,345 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:43,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-09-16 10:40:43,345 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:43,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:43,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1508436515, now seen corresponding path program 29 times [2022-09-16 10:40:43,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:43,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348825936] [2022-09-16 10:40:43,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:43,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:43,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:43,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:43,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348825936] [2022-09-16 10:40:43,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348825936] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:43,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:43,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:43,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686639715] [2022-09-16 10:40:43,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:43,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:43,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:43,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:43,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:43,464 INFO L87 Difference]: Start difference. First operand 680 states and 1235 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:43,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:43,662 INFO L93 Difference]: Finished difference Result 1535 states and 2713 transitions. [2022-09-16 10:40:43,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:43,663 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:43,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:43,666 INFO L225 Difference]: With dead ends: 1535 [2022-09-16 10:40:43,666 INFO L226 Difference]: Without dead ends: 1535 [2022-09-16 10:40:43,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:43,667 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 372 mSDsluCounter, 843 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 1046 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:43,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 1046 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:43,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1535 states. [2022-09-16 10:40:43,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1535 to 679. [2022-09-16 10:40:43,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 675 states have (on average 1.8266666666666667) internal successors, (1233), 678 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:43,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 1233 transitions. [2022-09-16 10:40:43,701 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 1233 transitions. Word has length 50 [2022-09-16 10:40:43,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:43,702 INFO L495 AbstractCegarLoop]: Abstraction has 679 states and 1233 transitions. [2022-09-16 10:40:43,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:43,702 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1233 transitions. [2022-09-16 10:40:43,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:43,703 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:43,703 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:43,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-09-16 10:40:43,703 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:43,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:43,704 INFO L85 PathProgramCache]: Analyzing trace with hash 178911997, now seen corresponding path program 30 times [2022-09-16 10:40:43,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:43,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606072627] [2022-09-16 10:40:43,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:43,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:43,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:43,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:43,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606072627] [2022-09-16 10:40:43,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606072627] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:43,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:43,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-09-16 10:40:43,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679837803] [2022-09-16 10:40:43,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:43,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-09-16 10:40:43,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:43,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-09-16 10:40:43,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-09-16 10:40:43,865 INFO L87 Difference]: Start difference. First operand 679 states and 1233 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:44,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:44,296 INFO L93 Difference]: Finished difference Result 1486 states and 2627 transitions. [2022-09-16 10:40:44,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-09-16 10:40:44,297 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:44,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:44,298 INFO L225 Difference]: With dead ends: 1486 [2022-09-16 10:40:44,298 INFO L226 Difference]: Without dead ends: 1486 [2022-09-16 10:40:44,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:40:44,300 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 435 mSDsluCounter, 954 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 1144 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:44,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 1144 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:40:44,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2022-09-16 10:40:44,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 680. [2022-09-16 10:40:44,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 676 states have (on average 1.8269230769230769) internal successors, (1235), 679 states have internal predecessors, (1235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:44,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 1235 transitions. [2022-09-16 10:40:44,311 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 1235 transitions. Word has length 50 [2022-09-16 10:40:44,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:44,311 INFO L495 AbstractCegarLoop]: Abstraction has 680 states and 1235 transitions. [2022-09-16 10:40:44,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:44,311 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1235 transitions. [2022-09-16 10:40:44,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:44,312 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:44,312 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:44,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-09-16 10:40:44,312 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:44,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:44,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1486289293, now seen corresponding path program 31 times [2022-09-16 10:40:44,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:44,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795504622] [2022-09-16 10:40:44,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:44,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:44,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:44,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:44,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795504622] [2022-09-16 10:40:44,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795504622] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:44,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:44,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:44,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45713788] [2022-09-16 10:40:44,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:44,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:44,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:44,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:44,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:44,471 INFO L87 Difference]: Start difference. First operand 680 states and 1235 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:44,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:44,746 INFO L93 Difference]: Finished difference Result 1225 states and 2182 transitions. [2022-09-16 10:40:44,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:44,746 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:44,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:44,747 INFO L225 Difference]: With dead ends: 1225 [2022-09-16 10:40:44,748 INFO L226 Difference]: Without dead ends: 1225 [2022-09-16 10:40:44,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:44,750 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 267 mSDsluCounter, 935 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 1113 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:44,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 1113 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:44,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2022-09-16 10:40:44,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 676. [2022-09-16 10:40:44,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 676 states, 672 states have (on average 1.8258928571428572) internal successors, (1227), 675 states have internal predecessors, (1227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:44,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 1227 transitions. [2022-09-16 10:40:44,761 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 1227 transitions. Word has length 50 [2022-09-16 10:40:44,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:44,761 INFO L495 AbstractCegarLoop]: Abstraction has 676 states and 1227 transitions. [2022-09-16 10:40:44,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:44,762 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1227 transitions. [2022-09-16 10:40:44,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:44,762 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:44,762 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:44,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-09-16 10:40:44,762 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:44,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:44,763 INFO L85 PathProgramCache]: Analyzing trace with hash 2084531567, now seen corresponding path program 32 times [2022-09-16 10:40:44,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:44,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903378601] [2022-09-16 10:40:44,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:44,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:44,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:44,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:44,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903378601] [2022-09-16 10:40:44,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903378601] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:44,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:44,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:44,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787112118] [2022-09-16 10:40:44,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:44,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:44,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:44,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:44,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:44,903 INFO L87 Difference]: Start difference. First operand 676 states and 1227 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:45,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:45,128 INFO L93 Difference]: Finished difference Result 1129 states and 2011 transitions. [2022-09-16 10:40:45,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:45,128 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:45,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:45,129 INFO L225 Difference]: With dead ends: 1129 [2022-09-16 10:40:45,129 INFO L226 Difference]: Without dead ends: 1129 [2022-09-16 10:40:45,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:45,131 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 299 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:45,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 1024 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:45,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states. [2022-09-16 10:40:45,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 678. [2022-09-16 10:40:45,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 674 states have (on average 1.8264094955489614) internal successors, (1231), 677 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:45,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 1231 transitions. [2022-09-16 10:40:45,148 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 1231 transitions. Word has length 50 [2022-09-16 10:40:45,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:45,148 INFO L495 AbstractCegarLoop]: Abstraction has 678 states and 1231 transitions. [2022-09-16 10:40:45,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:45,148 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 1231 transitions. [2022-09-16 10:40:45,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:45,149 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:45,149 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:45,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-09-16 10:40:45,150 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:45,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:45,150 INFO L85 PathProgramCache]: Analyzing trace with hash 2041030913, now seen corresponding path program 33 times [2022-09-16 10:40:45,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:45,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799831831] [2022-09-16 10:40:45,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:45,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:45,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:45,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:45,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799831831] [2022-09-16 10:40:45,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799831831] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:45,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:45,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-09-16 10:40:45,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153187232] [2022-09-16 10:40:45,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:45,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-09-16 10:40:45,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:45,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-09-16 10:40:45,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-09-16 10:40:45,306 INFO L87 Difference]: Start difference. First operand 678 states and 1231 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:45,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:45,638 INFO L93 Difference]: Finished difference Result 1216 states and 2150 transitions. [2022-09-16 10:40:45,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-09-16 10:40:45,638 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:45,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:45,640 INFO L225 Difference]: With dead ends: 1216 [2022-09-16 10:40:45,640 INFO L226 Difference]: Without dead ends: 1216 [2022-09-16 10:40:45,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:40:45,641 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 437 mSDsluCounter, 950 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 1151 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:45,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 1151 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:45,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2022-09-16 10:40:45,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 677. [2022-09-16 10:40:45,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 677 states, 673 states have (on average 1.826151560178306) internal successors, (1229), 676 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:45,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 1229 transitions. [2022-09-16 10:40:45,651 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 1229 transitions. Word has length 50 [2022-09-16 10:40:45,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:45,651 INFO L495 AbstractCegarLoop]: Abstraction has 677 states and 1229 transitions. [2022-09-16 10:40:45,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:45,651 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 1229 transitions. [2022-09-16 10:40:45,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:45,652 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:45,652 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:45,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-09-16 10:40:45,652 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:45,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:45,653 INFO L85 PathProgramCache]: Analyzing trace with hash 711506395, now seen corresponding path program 34 times [2022-09-16 10:40:45,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:45,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309531365] [2022-09-16 10:40:45,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:45,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:45,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:45,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:45,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309531365] [2022-09-16 10:40:45,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309531365] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:45,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:45,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:45,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451534411] [2022-09-16 10:40:45,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:45,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:45,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:45,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:45,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:45,754 INFO L87 Difference]: Start difference. First operand 677 states and 1229 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:45,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:45,888 INFO L93 Difference]: Finished difference Result 1491 states and 2622 transitions. [2022-09-16 10:40:45,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:45,888 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:45,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:45,890 INFO L225 Difference]: With dead ends: 1491 [2022-09-16 10:40:45,890 INFO L226 Difference]: Without dead ends: 1491 [2022-09-16 10:40:45,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:45,891 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 335 mSDsluCounter, 868 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 1079 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:45,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 1079 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:45,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1491 states. [2022-09-16 10:40:45,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1491 to 678. [2022-09-16 10:40:45,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 674 states have (on average 1.8264094955489614) internal successors, (1231), 677 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:45,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 1231 transitions. [2022-09-16 10:40:45,899 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 1231 transitions. Word has length 50 [2022-09-16 10:40:45,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:45,900 INFO L495 AbstractCegarLoop]: Abstraction has 678 states and 1231 transitions. [2022-09-16 10:40:45,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:45,900 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 1231 transitions. [2022-09-16 10:40:45,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:45,901 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:45,901 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:45,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-09-16 10:40:45,901 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:45,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:45,901 INFO L85 PathProgramCache]: Analyzing trace with hash -953694895, now seen corresponding path program 35 times [2022-09-16 10:40:45,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:45,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526343849] [2022-09-16 10:40:45,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:45,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:46,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:46,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:46,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526343849] [2022-09-16 10:40:46,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526343849] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:46,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:46,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:46,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449229022] [2022-09-16 10:40:46,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:46,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:46,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:46,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:46,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:46,057 INFO L87 Difference]: Start difference. First operand 678 states and 1231 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:46,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:46,282 INFO L93 Difference]: Finished difference Result 1230 states and 2177 transitions. [2022-09-16 10:40:46,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:46,283 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:46,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:46,284 INFO L225 Difference]: With dead ends: 1230 [2022-09-16 10:40:46,284 INFO L226 Difference]: Without dead ends: 1230 [2022-09-16 10:40:46,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:46,285 INFO L413 NwaCegarLoop]: 198 mSDtfsCounter, 291 mSDsluCounter, 852 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 1048 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:46,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 1048 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:46,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2022-09-16 10:40:46,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 676. [2022-09-16 10:40:46,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 676 states, 672 states have (on average 1.8258928571428572) internal successors, (1227), 675 states have internal predecessors, (1227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:46,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 1227 transitions. [2022-09-16 10:40:46,294 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 1227 transitions. Word has length 50 [2022-09-16 10:40:46,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:46,295 INFO L495 AbstractCegarLoop]: Abstraction has 676 states and 1227 transitions. [2022-09-16 10:40:46,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:46,295 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1227 transitions. [2022-09-16 10:40:46,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:46,295 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:46,296 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:46,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-09-16 10:40:46,296 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:46,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:46,296 INFO L85 PathProgramCache]: Analyzing trace with hash -2117794427, now seen corresponding path program 36 times [2022-09-16 10:40:46,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:46,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636648793] [2022-09-16 10:40:46,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:46,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:46,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:46,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:46,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636648793] [2022-09-16 10:40:46,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636648793] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:46,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:46,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-09-16 10:40:46,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124434859] [2022-09-16 10:40:46,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:46,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-09-16 10:40:46,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:46,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-09-16 10:40:46,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-09-16 10:40:46,424 INFO L87 Difference]: Start difference. First operand 676 states and 1227 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:46,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:46,671 INFO L93 Difference]: Finished difference Result 1166 states and 2062 transitions. [2022-09-16 10:40:46,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-09-16 10:40:46,672 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:46,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:46,674 INFO L225 Difference]: With dead ends: 1166 [2022-09-16 10:40:46,674 INFO L226 Difference]: Without dead ends: 1166 [2022-09-16 10:40:46,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:40:46,674 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 397 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 1118 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:46,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 1118 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:46,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1166 states. [2022-09-16 10:40:46,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1166 to 677. [2022-09-16 10:40:46,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 677 states, 673 states have (on average 1.826151560178306) internal successors, (1229), 676 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:46,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 1229 transitions. [2022-09-16 10:40:46,682 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 1229 transitions. Word has length 50 [2022-09-16 10:40:46,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:46,682 INFO L495 AbstractCegarLoop]: Abstraction has 677 states and 1229 transitions. [2022-09-16 10:40:46,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:46,682 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 1229 transitions. [2022-09-16 10:40:46,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:46,691 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:46,691 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:46,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-09-16 10:40:46,691 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:46,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:46,691 INFO L85 PathProgramCache]: Analyzing trace with hash 511971579, now seen corresponding path program 37 times [2022-09-16 10:40:46,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:46,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228164904] [2022-09-16 10:40:46,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:46,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:46,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:46,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:46,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228164904] [2022-09-16 10:40:46,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228164904] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:46,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:46,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:46,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167414310] [2022-09-16 10:40:46,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:46,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:46,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:46,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:46,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:46,780 INFO L87 Difference]: Start difference. First operand 677 states and 1229 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:47,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:47,011 INFO L93 Difference]: Finished difference Result 1156 states and 2044 transitions. [2022-09-16 10:40:47,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:47,011 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:47,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:47,013 INFO L225 Difference]: With dead ends: 1156 [2022-09-16 10:40:47,013 INFO L226 Difference]: Without dead ends: 1156 [2022-09-16 10:40:47,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:47,013 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 265 mSDsluCounter, 834 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:47,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 1026 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:47,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2022-09-16 10:40:47,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 676. [2022-09-16 10:40:47,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 676 states, 672 states have (on average 1.8258928571428572) internal successors, (1227), 675 states have internal predecessors, (1227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:47,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 1227 transitions. [2022-09-16 10:40:47,023 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 1227 transitions. Word has length 50 [2022-09-16 10:40:47,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:47,023 INFO L495 AbstractCegarLoop]: Abstraction has 676 states and 1227 transitions. [2022-09-16 10:40:47,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:47,023 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1227 transitions. [2022-09-16 10:40:47,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:47,024 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:47,024 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:47,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-09-16 10:40:47,024 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:47,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:47,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1454019793, now seen corresponding path program 38 times [2022-09-16 10:40:47,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:47,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743562635] [2022-09-16 10:40:47,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:47,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:47,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:47,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:47,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743562635] [2022-09-16 10:40:47,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743562635] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:47,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:47,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:47,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636979147] [2022-09-16 10:40:47,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:47,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:47,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:47,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:47,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:47,203 INFO L87 Difference]: Start difference. First operand 676 states and 1227 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:47,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:47,563 INFO L93 Difference]: Finished difference Result 956 states and 1705 transitions. [2022-09-16 10:40:47,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:47,563 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:47,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:47,564 INFO L225 Difference]: With dead ends: 956 [2022-09-16 10:40:47,564 INFO L226 Difference]: Without dead ends: 956 [2022-09-16 10:40:47,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:47,565 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 264 mSDsluCounter, 914 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 1094 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:47,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 1094 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:47,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2022-09-16 10:40:47,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 654. [2022-09-16 10:40:47,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 650 states have (on average 1.82) internal successors, (1183), 653 states have internal predecessors, (1183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:47,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 1183 transitions. [2022-09-16 10:40:47,572 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 1183 transitions. Word has length 50 [2022-09-16 10:40:47,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:47,572 INFO L495 AbstractCegarLoop]: Abstraction has 654 states and 1183 transitions. [2022-09-16 10:40:47,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:47,572 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 1183 transitions. [2022-09-16 10:40:47,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:47,573 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:47,573 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:47,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-09-16 10:40:47,573 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:47,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:47,573 INFO L85 PathProgramCache]: Analyzing trace with hash -358343675, now seen corresponding path program 39 times [2022-09-16 10:40:47,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:47,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479690514] [2022-09-16 10:40:47,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:47,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:47,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:47,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:47,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479690514] [2022-09-16 10:40:47,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479690514] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:47,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:47,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-09-16 10:40:47,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738809576] [2022-09-16 10:40:47,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:47,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-09-16 10:40:47,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:47,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-09-16 10:40:47,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-09-16 10:40:47,753 INFO L87 Difference]: Start difference. First operand 654 states and 1183 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:48,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:48,053 INFO L93 Difference]: Finished difference Result 734 states and 1319 transitions. [2022-09-16 10:40:48,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-09-16 10:40:48,053 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:48,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:48,054 INFO L225 Difference]: With dead ends: 734 [2022-09-16 10:40:48,054 INFO L226 Difference]: Without dead ends: 734 [2022-09-16 10:40:48,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=130, Invalid=332, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:40:48,055 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 354 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 839 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:48,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 839 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:48,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2022-09-16 10:40:48,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 654. [2022-09-16 10:40:48,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 650 states have (on average 1.82) internal successors, (1183), 653 states have internal predecessors, (1183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:48,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 1183 transitions. [2022-09-16 10:40:48,060 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 1183 transitions. Word has length 50 [2022-09-16 10:40:48,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:48,061 INFO L495 AbstractCegarLoop]: Abstraction has 654 states and 1183 transitions. [2022-09-16 10:40:48,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:48,061 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 1183 transitions. [2022-09-16 10:40:48,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:48,061 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:48,061 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:48,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-09-16 10:40:48,061 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:48,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:48,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1600043689, now seen corresponding path program 40 times [2022-09-16 10:40:48,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:48,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455564646] [2022-09-16 10:40:48,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:48,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:48,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:48,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:48,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455564646] [2022-09-16 10:40:48,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455564646] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:48,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:48,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:48,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879246154] [2022-09-16 10:40:48,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:48,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:48,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:48,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:48,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:48,169 INFO L87 Difference]: Start difference. First operand 654 states and 1183 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:48,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:48,404 INFO L93 Difference]: Finished difference Result 967 states and 1735 transitions. [2022-09-16 10:40:48,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:48,404 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:48,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:48,405 INFO L225 Difference]: With dead ends: 967 [2022-09-16 10:40:48,405 INFO L226 Difference]: Without dead ends: 967 [2022-09-16 10:40:48,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:48,406 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 233 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 1038 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:48,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 1038 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:48,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2022-09-16 10:40:48,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 656. [2022-09-16 10:40:48,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 656 states, 652 states have (on average 1.8205521472392638) internal successors, (1187), 655 states have internal predecessors, (1187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:48,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 1187 transitions. [2022-09-16 10:40:48,412 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 1187 transitions. Word has length 50 [2022-09-16 10:40:48,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:48,413 INFO L495 AbstractCegarLoop]: Abstraction has 656 states and 1187 transitions. [2022-09-16 10:40:48,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:48,413 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 1187 transitions. [2022-09-16 10:40:48,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:48,413 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:48,413 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:48,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-09-16 10:40:48,414 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:48,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:48,414 INFO L85 PathProgramCache]: Analyzing trace with hash 906058965, now seen corresponding path program 41 times [2022-09-16 10:40:48,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:48,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334312841] [2022-09-16 10:40:48,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:48,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:48,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:48,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:48,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334312841] [2022-09-16 10:40:48,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334312841] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:48,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:48,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:48,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892474187] [2022-09-16 10:40:48,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:48,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:48,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:48,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:48,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:48,514 INFO L87 Difference]: Start difference. First operand 656 states and 1187 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:48,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:48,745 INFO L93 Difference]: Finished difference Result 940 states and 1681 transitions. [2022-09-16 10:40:48,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:48,746 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:48,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:48,747 INFO L225 Difference]: With dead ends: 940 [2022-09-16 10:40:48,747 INFO L226 Difference]: Without dead ends: 940 [2022-09-16 10:40:48,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:48,748 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 264 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:48,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 935 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:48,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2022-09-16 10:40:48,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 657. [2022-09-16 10:40:48,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 657 states, 653 states have (on average 1.8208269525267995) internal successors, (1189), 656 states have internal predecessors, (1189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:48,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 1189 transitions. [2022-09-16 10:40:48,754 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 1189 transitions. Word has length 50 [2022-09-16 10:40:48,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:48,754 INFO L495 AbstractCegarLoop]: Abstraction has 657 states and 1189 transitions. [2022-09-16 10:40:48,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:48,754 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 1189 transitions. [2022-09-16 10:40:48,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:48,757 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:48,757 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:48,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-09-16 10:40:48,758 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:48,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:48,758 INFO L85 PathProgramCache]: Analyzing trace with hash 862558311, now seen corresponding path program 42 times [2022-09-16 10:40:48,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:48,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990303289] [2022-09-16 10:40:48,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:48,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:48,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:48,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:48,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990303289] [2022-09-16 10:40:48,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990303289] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:48,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:48,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:48,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549409603] [2022-09-16 10:40:48,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:48,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:48,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:48,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:48,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:48,875 INFO L87 Difference]: Start difference. First operand 657 states and 1189 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:49,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:49,084 INFO L93 Difference]: Finished difference Result 832 states and 1481 transitions. [2022-09-16 10:40:49,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:49,085 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:49,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:49,086 INFO L225 Difference]: With dead ends: 832 [2022-09-16 10:40:49,086 INFO L226 Difference]: Without dead ends: 832 [2022-09-16 10:40:49,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:49,086 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 266 mSDsluCounter, 837 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 1017 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:49,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 1017 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:49,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2022-09-16 10:40:49,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 654. [2022-09-16 10:40:49,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 650 states have (on average 1.82) internal successors, (1183), 653 states have internal predecessors, (1183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:49,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 1183 transitions. [2022-09-16 10:40:49,093 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 1183 transitions. Word has length 50 [2022-09-16 10:40:49,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:49,093 INFO L495 AbstractCegarLoop]: Abstraction has 654 states and 1183 transitions. [2022-09-16 10:40:49,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:49,093 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 1183 transitions. [2022-09-16 10:40:49,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:49,094 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:49,094 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:49,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-09-16 10:40:49,094 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:49,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:49,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1721847255, now seen corresponding path program 43 times [2022-09-16 10:40:49,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:49,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252543629] [2022-09-16 10:40:49,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:49,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:49,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:49,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:49,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252543629] [2022-09-16 10:40:49,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252543629] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:49,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:49,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:49,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980654395] [2022-09-16 10:40:49,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:49,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:49,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:49,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:49,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:49,187 INFO L87 Difference]: Start difference. First operand 654 states and 1183 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:49,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:49,429 INFO L93 Difference]: Finished difference Result 1005 states and 1778 transitions. [2022-09-16 10:40:49,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:49,430 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:49,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:49,431 INFO L225 Difference]: With dead ends: 1005 [2022-09-16 10:40:49,431 INFO L226 Difference]: Without dead ends: 1005 [2022-09-16 10:40:49,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:49,431 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 254 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 1113 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:49,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 1113 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:49,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1005 states. [2022-09-16 10:40:49,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1005 to 636. [2022-09-16 10:40:49,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 636 states, 632 states have (on average 1.8148734177215189) internal successors, (1147), 635 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:49,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 1147 transitions. [2022-09-16 10:40:49,438 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 1147 transitions. Word has length 50 [2022-09-16 10:40:49,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:49,438 INFO L495 AbstractCegarLoop]: Abstraction has 636 states and 1147 transitions. [2022-09-16 10:40:49,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:49,439 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 1147 transitions. [2022-09-16 10:40:49,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:49,439 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:49,439 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:49,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-09-16 10:40:49,439 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:49,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:49,440 INFO L85 PathProgramCache]: Analyzing trace with hash -67017387, now seen corresponding path program 44 times [2022-09-16 10:40:49,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:49,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157251535] [2022-09-16 10:40:49,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:49,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:49,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:49,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:49,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157251535] [2022-09-16 10:40:49,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157251535] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:49,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:49,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-09-16 10:40:49,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741200793] [2022-09-16 10:40:49,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:49,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-09-16 10:40:49,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:49,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-09-16 10:40:49,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-09-16 10:40:49,590 INFO L87 Difference]: Start difference. First operand 636 states and 1147 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:49,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:49,975 INFO L93 Difference]: Finished difference Result 1209 states and 2134 transitions. [2022-09-16 10:40:49,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-09-16 10:40:49,975 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:49,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:49,977 INFO L225 Difference]: With dead ends: 1209 [2022-09-16 10:40:49,977 INFO L226 Difference]: Without dead ends: 1209 [2022-09-16 10:40:49,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=334, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:40:49,978 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 435 mSDsluCounter, 834 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 435 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:49,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [435 Valid, 1026 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:49,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2022-09-16 10:40:49,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 637. [2022-09-16 10:40:49,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 633 states have (on average 1.8151658767772512) internal successors, (1149), 636 states have internal predecessors, (1149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:49,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 1149 transitions. [2022-09-16 10:40:49,985 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 1149 transitions. Word has length 50 [2022-09-16 10:40:49,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:49,985 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 1149 transitions. [2022-09-16 10:40:49,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:49,985 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 1149 transitions. [2022-09-16 10:40:49,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:49,986 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:49,986 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:49,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-09-16 10:40:49,986 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:49,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:49,987 INFO L85 PathProgramCache]: Analyzing trace with hash -110518041, now seen corresponding path program 45 times [2022-09-16 10:40:49,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:49,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411383226] [2022-09-16 10:40:49,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:49,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:50,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:50,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:50,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411383226] [2022-09-16 10:40:50,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411383226] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:50,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:50,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:50,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266608121] [2022-09-16 10:40:50,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:50,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:50,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:50,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:50,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:50,087 INFO L87 Difference]: Start difference. First operand 637 states and 1149 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:50,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:50,283 INFO L93 Difference]: Finished difference Result 1101 states and 1934 transitions. [2022-09-16 10:40:50,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:50,283 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:50,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:50,284 INFO L225 Difference]: With dead ends: 1101 [2022-09-16 10:40:50,284 INFO L226 Difference]: Without dead ends: 1101 [2022-09-16 10:40:50,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:50,284 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 299 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:50,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 1023 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:50,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101 states. [2022-09-16 10:40:50,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101 to 634. [2022-09-16 10:40:50,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 630 states have (on average 1.8142857142857143) internal successors, (1143), 633 states have internal predecessors, (1143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:50,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 1143 transitions. [2022-09-16 10:40:50,293 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 1143 transitions. Word has length 50 [2022-09-16 10:40:50,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:50,293 INFO L495 AbstractCegarLoop]: Abstraction has 634 states and 1143 transitions. [2022-09-16 10:40:50,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:50,293 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 1143 transitions. [2022-09-16 10:40:50,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:50,294 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:50,294 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:50,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-09-16 10:40:50,295 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:50,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:50,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1622682167, now seen corresponding path program 46 times [2022-09-16 10:40:50,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:50,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625859913] [2022-09-16 10:40:50,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:50,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:50,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:50,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:50,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625859913] [2022-09-16 10:40:50,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625859913] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:50,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:50,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-09-16 10:40:50,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802404198] [2022-09-16 10:40:50,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:50,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-09-16 10:40:50,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:50,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-09-16 10:40:50,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-09-16 10:40:50,447 INFO L87 Difference]: Start difference. First operand 634 states and 1143 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:50,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:50,829 INFO L93 Difference]: Finished difference Result 960 states and 1690 transitions. [2022-09-16 10:40:50,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-09-16 10:40:50,830 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:50,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:50,831 INFO L225 Difference]: With dead ends: 960 [2022-09-16 10:40:50,831 INFO L226 Difference]: Without dead ends: 960 [2022-09-16 10:40:50,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=334, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:40:50,831 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 365 mSDsluCounter, 801 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 989 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:50,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 989 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:50,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2022-09-16 10:40:50,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 625. [2022-09-16 10:40:50,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 621 states have (on average 1.8115942028985508) internal successors, (1125), 624 states have internal predecessors, (1125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:50,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 1125 transitions. [2022-09-16 10:40:50,837 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 1125 transitions. Word has length 50 [2022-09-16 10:40:50,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:50,838 INFO L495 AbstractCegarLoop]: Abstraction has 625 states and 1125 transitions. [2022-09-16 10:40:50,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:50,838 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 1125 transitions. [2022-09-16 10:40:50,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:50,838 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:50,838 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:50,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-09-16 10:40:50,838 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:50,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:50,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1579181513, now seen corresponding path program 47 times [2022-09-16 10:40:50,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:50,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910259306] [2022-09-16 10:40:50,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:50,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:50,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:50,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:50,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:50,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910259306] [2022-09-16 10:40:50,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910259306] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:50,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:50,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-09-16 10:40:50,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190096218] [2022-09-16 10:40:50,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:50,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-09-16 10:40:50,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:50,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-09-16 10:40:50,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-09-16 10:40:50,964 INFO L87 Difference]: Start difference. First operand 625 states and 1125 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:51,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:51,302 INFO L93 Difference]: Finished difference Result 1047 states and 1829 transitions. [2022-09-16 10:40:51,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-09-16 10:40:51,302 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:51,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:51,303 INFO L225 Difference]: With dead ends: 1047 [2022-09-16 10:40:51,303 INFO L226 Difference]: Without dead ends: 1047 [2022-09-16 10:40:51,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=334, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:40:51,303 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 398 mSDsluCounter, 795 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 995 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:51,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 995 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:51,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2022-09-16 10:40:51,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 624. [2022-09-16 10:40:51,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 620 states have (on average 1.8112903225806452) internal successors, (1123), 623 states have internal predecessors, (1123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:51,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 1123 transitions. [2022-09-16 10:40:51,310 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 1123 transitions. Word has length 50 [2022-09-16 10:40:51,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:51,310 INFO L495 AbstractCegarLoop]: Abstraction has 624 states and 1123 transitions. [2022-09-16 10:40:51,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:51,310 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 1123 transitions. [2022-09-16 10:40:51,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:51,311 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:51,311 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:51,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-09-16 10:40:51,311 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:51,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:51,311 INFO L85 PathProgramCache]: Analyzing trace with hash 249656995, now seen corresponding path program 48 times [2022-09-16 10:40:51,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:51,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289034545] [2022-09-16 10:40:51,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:51,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:51,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:51,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:51,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289034545] [2022-09-16 10:40:51,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289034545] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:51,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:51,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-09-16 10:40:51,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954960820] [2022-09-16 10:40:51,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:51,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-09-16 10:40:51,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:51,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-09-16 10:40:51,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-09-16 10:40:51,451 INFO L87 Difference]: Start difference. First operand 624 states and 1123 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:51,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:51,838 INFO L93 Difference]: Finished difference Result 998 states and 1743 transitions. [2022-09-16 10:40:51,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-09-16 10:40:51,838 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:51,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:51,839 INFO L225 Difference]: With dead ends: 998 [2022-09-16 10:40:51,839 INFO L226 Difference]: Without dead ends: 998 [2022-09-16 10:40:51,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=128, Invalid=334, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:40:51,839 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 409 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 1084 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:51,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [409 Valid, 1084 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:51,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 998 states. [2022-09-16 10:40:51,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 998 to 614. [2022-09-16 10:40:51,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 610 states have (on average 1.8081967213114754) internal successors, (1103), 613 states have internal predecessors, (1103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:51,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 1103 transitions. [2022-09-16 10:40:51,845 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 1103 transitions. Word has length 50 [2022-09-16 10:40:51,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:51,846 INFO L495 AbstractCegarLoop]: Abstraction has 614 states and 1103 transitions. [2022-09-16 10:40:51,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:51,846 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 1103 transitions. [2022-09-16 10:40:51,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-09-16 10:40:51,846 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:51,846 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:51,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-09-16 10:40:51,847 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:51,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:51,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1415544295, now seen corresponding path program 49 times [2022-09-16 10:40:51,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:51,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834074984] [2022-09-16 10:40:51,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:51,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:51,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:51,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:51,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834074984] [2022-09-16 10:40:51,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834074984] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:51,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:51,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:51,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255348108] [2022-09-16 10:40:51,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:51,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:51,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:51,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:51,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:51,935 INFO L87 Difference]: Start difference. First operand 614 states and 1103 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:52,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:52,138 INFO L93 Difference]: Finished difference Result 737 states and 1298 transitions. [2022-09-16 10:40:52,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:52,138 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-09-16 10:40:52,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:52,139 INFO L225 Difference]: With dead ends: 737 [2022-09-16 10:40:52,139 INFO L226 Difference]: Without dead ends: 737 [2022-09-16 10:40:52,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:52,139 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 239 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 938 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:52,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 938 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:52,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2022-09-16 10:40:52,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 542. [2022-09-16 10:40:52,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 538 states have (on average 1.7973977695167287) internal successors, (967), 541 states have internal predecessors, (967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:52,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 967 transitions. [2022-09-16 10:40:52,144 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 967 transitions. Word has length 50 [2022-09-16 10:40:52,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:52,145 INFO L495 AbstractCegarLoop]: Abstraction has 542 states and 967 transitions. [2022-09-16 10:40:52,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:52,145 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 967 transitions. [2022-09-16 10:40:52,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-09-16 10:40:52,145 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:52,145 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:52,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-09-16 10:40:52,145 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:52,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:52,146 INFO L85 PathProgramCache]: Analyzing trace with hash -1592537097, now seen corresponding path program 1 times [2022-09-16 10:40:52,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:52,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462085306] [2022-09-16 10:40:52,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:52,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:52,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:52,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:52,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462085306] [2022-09-16 10:40:52,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462085306] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:52,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:52,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-09-16 10:40:52,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339177796] [2022-09-16 10:40:52,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:52,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-09-16 10:40:52,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:52,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-09-16 10:40:52,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-09-16 10:40:52,232 INFO L87 Difference]: Start difference. First operand 542 states and 967 transitions. Second operand has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:52,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:52,446 INFO L93 Difference]: Finished difference Result 1101 states and 1902 transitions. [2022-09-16 10:40:52,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-09-16 10:40:52,446 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2022-09-16 10:40:52,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:52,447 INFO L225 Difference]: With dead ends: 1101 [2022-09-16 10:40:52,447 INFO L226 Difference]: Without dead ends: 1101 [2022-09-16 10:40:52,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:40:52,447 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 310 mSDsluCounter, 990 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 1196 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:52,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 1196 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:40:52,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101 states. [2022-09-16 10:40:52,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101 to 477. [2022-09-16 10:40:52,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 473 states have (on average 1.7801268498942917) internal successors, (842), 476 states have internal predecessors, (842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:52,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 842 transitions. [2022-09-16 10:40:52,453 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 842 transitions. Word has length 51 [2022-09-16 10:40:52,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:52,453 INFO L495 AbstractCegarLoop]: Abstraction has 477 states and 842 transitions. [2022-09-16 10:40:52,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:52,453 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 842 transitions. [2022-09-16 10:40:52,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:40:52,454 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:52,454 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:52,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-09-16 10:40:52,454 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:52,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:52,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1383443668, now seen corresponding path program 1 times [2022-09-16 10:40:52,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:52,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262741906] [2022-09-16 10:40:52,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:52,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:52,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:52,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:52,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262741906] [2022-09-16 10:40:52,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262741906] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:52,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:52,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:40:52,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071592478] [2022-09-16 10:40:52,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:52,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:40:52,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:52,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:40:52,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:40:52,833 INFO L87 Difference]: Start difference. First operand 477 states and 842 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:53,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:53,981 INFO L93 Difference]: Finished difference Result 548 states and 952 transitions. [2022-09-16 10:40:53,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-09-16 10:40:53,982 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:40:53,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:53,982 INFO L225 Difference]: With dead ends: 548 [2022-09-16 10:40:53,982 INFO L226 Difference]: Without dead ends: 548 [2022-09-16 10:40:53,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=504, Invalid=1752, Unknown=0, NotChecked=0, Total=2256 [2022-09-16 10:40:53,983 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 570 mSDsluCounter, 1229 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 570 SdHoareTripleChecker+Valid, 1326 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:53,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [570 Valid, 1326 Invalid, 764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:40:53,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2022-09-16 10:40:53,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 487. [2022-09-16 10:40:53,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 483 states have (on average 1.784679089026915) internal successors, (862), 486 states have internal predecessors, (862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:53,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 862 transitions. [2022-09-16 10:40:53,988 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 862 transitions. Word has length 53 [2022-09-16 10:40:53,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:53,988 INFO L495 AbstractCegarLoop]: Abstraction has 487 states and 862 transitions. [2022-09-16 10:40:53,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:53,988 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 862 transitions. [2022-09-16 10:40:53,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:40:53,989 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:53,989 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:53,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-09-16 10:40:53,989 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:53,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:53,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1883768566, now seen corresponding path program 2 times [2022-09-16 10:40:53,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:53,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211790228] [2022-09-16 10:40:53,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:53,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:54,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:54,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:54,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211790228] [2022-09-16 10:40:54,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211790228] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:54,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:54,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:40:54,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891572736] [2022-09-16 10:40:54,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:54,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:40:54,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:54,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:40:54,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:40:54,390 INFO L87 Difference]: Start difference. First operand 487 states and 862 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:55,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:55,718 INFO L93 Difference]: Finished difference Result 584 states and 1008 transitions. [2022-09-16 10:40:55,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-09-16 10:40:55,719 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:40:55,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:55,719 INFO L225 Difference]: With dead ends: 584 [2022-09-16 10:40:55,719 INFO L226 Difference]: Without dead ends: 584 [2022-09-16 10:40:55,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=536, Invalid=1914, Unknown=0, NotChecked=0, Total=2450 [2022-09-16 10:40:55,720 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 506 mSDsluCounter, 1143 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 1240 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:55,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 1240 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:40:55,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2022-09-16 10:40:55,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 488. [2022-09-16 10:40:55,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 484 states have (on average 1.7851239669421488) internal successors, (864), 487 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:55,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 864 transitions. [2022-09-16 10:40:55,725 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 864 transitions. Word has length 53 [2022-09-16 10:40:55,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:55,725 INFO L495 AbstractCegarLoop]: Abstraction has 488 states and 864 transitions. [2022-09-16 10:40:55,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:55,725 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 864 transitions. [2022-09-16 10:40:55,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:40:55,726 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:55,726 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:55,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-09-16 10:40:55,727 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:55,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:55,727 INFO L85 PathProgramCache]: Analyzing trace with hash -1916672448, now seen corresponding path program 3 times [2022-09-16 10:40:55,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:55,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012763815] [2022-09-16 10:40:55,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:55,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:56,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:56,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:56,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012763815] [2022-09-16 10:40:56,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012763815] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:56,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:56,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:40:56,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58812295] [2022-09-16 10:40:56,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:56,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:40:56,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:56,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:40:56,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:40:56,116 INFO L87 Difference]: Start difference. First operand 488 states and 864 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:57,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:57,946 INFO L93 Difference]: Finished difference Result 585 states and 1014 transitions. [2022-09-16 10:40:57,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-09-16 10:40:57,947 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:40:57,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:57,948 INFO L225 Difference]: With dead ends: 585 [2022-09-16 10:40:57,948 INFO L226 Difference]: Without dead ends: 585 [2022-09-16 10:40:57,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 472 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=642, Invalid=2114, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:40:57,948 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 682 mSDsluCounter, 1186 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 682 SdHoareTripleChecker+Valid, 1284 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:57,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [682 Valid, 1284 Invalid, 764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 733 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:40:57,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2022-09-16 10:40:57,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 498. [2022-09-16 10:40:57,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 494 states have (on average 1.7874493927125505) internal successors, (883), 497 states have internal predecessors, (883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:57,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 883 transitions. [2022-09-16 10:40:57,953 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 883 transitions. Word has length 53 [2022-09-16 10:40:57,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:57,953 INFO L495 AbstractCegarLoop]: Abstraction has 498 states and 883 transitions. [2022-09-16 10:40:57,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:57,953 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 883 transitions. [2022-09-16 10:40:57,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:40:57,954 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:57,954 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:57,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-09-16 10:40:57,954 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:57,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:57,954 INFO L85 PathProgramCache]: Analyzing trace with hash -223922324, now seen corresponding path program 4 times [2022-09-16 10:40:57,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:57,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122935050] [2022-09-16 10:40:57,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:57,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:58,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:58,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:58,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122935050] [2022-09-16 10:40:58,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122935050] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:58,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:58,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:40:58,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651520422] [2022-09-16 10:40:58,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:58,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:40:58,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:58,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:40:58,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:40:58,318 INFO L87 Difference]: Start difference. First operand 498 states and 883 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:59,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:59,411 INFO L93 Difference]: Finished difference Result 581 states and 1010 transitions. [2022-09-16 10:40:59,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-09-16 10:40:59,411 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:40:59,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:59,412 INFO L225 Difference]: With dead ends: 581 [2022-09-16 10:40:59,412 INFO L226 Difference]: Without dead ends: 581 [2022-09-16 10:40:59,412 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=471, Invalid=1785, Unknown=0, NotChecked=0, Total=2256 [2022-09-16 10:40:59,413 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 502 mSDsluCounter, 1348 mSDsCounter, 0 mSdLazyCounter, 820 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 1450 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 820 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:59,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 1450 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 820 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:40:59,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2022-09-16 10:40:59,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 501. [2022-09-16 10:40:59,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 497 states have (on average 1.7887323943661972) internal successors, (889), 500 states have internal predecessors, (889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:59,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 889 transitions. [2022-09-16 10:40:59,417 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 889 transitions. Word has length 53 [2022-09-16 10:40:59,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:59,417 INFO L495 AbstractCegarLoop]: Abstraction has 501 states and 889 transitions. [2022-09-16 10:40:59,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:59,417 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 889 transitions. [2022-09-16 10:40:59,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:40:59,418 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:59,418 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:59,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-09-16 10:40:59,418 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:40:59,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:59,418 INFO L85 PathProgramCache]: Analyzing trace with hash -256826206, now seen corresponding path program 5 times [2022-09-16 10:40:59,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:59,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098299788] [2022-09-16 10:40:59,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:59,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:59,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:59,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:59,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098299788] [2022-09-16 10:40:59,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098299788] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:59,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:59,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:40:59,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213755916] [2022-09-16 10:40:59,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:59,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:40:59,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:59,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:40:59,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:40:59,760 INFO L87 Difference]: Start difference. First operand 501 states and 889 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:01,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:01,558 INFO L93 Difference]: Finished difference Result 614 states and 1067 transitions. [2022-09-16 10:41:01,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-09-16 10:41:01,558 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:41:01,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:01,559 INFO L225 Difference]: With dead ends: 614 [2022-09-16 10:41:01,559 INFO L226 Difference]: Without dead ends: 614 [2022-09-16 10:41:01,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 554 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=708, Invalid=2372, Unknown=0, NotChecked=0, Total=3080 [2022-09-16 10:41:01,559 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 609 mSDsluCounter, 1230 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 1329 SdHoareTripleChecker+Invalid, 807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:01,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 1329 Invalid, 807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:01,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2022-09-16 10:41:01,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 500. [2022-09-16 10:41:01,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 496 states have (on average 1.7883064516129032) internal successors, (887), 499 states have internal predecessors, (887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:01,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 887 transitions. [2022-09-16 10:41:01,564 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 887 transitions. Word has length 53 [2022-09-16 10:41:01,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:01,564 INFO L495 AbstractCegarLoop]: Abstraction has 500 states and 887 transitions. [2022-09-16 10:41:01,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:01,564 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 887 transitions. [2022-09-16 10:41:01,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:41:01,565 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:01,565 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:01,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-09-16 10:41:01,565 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:41:01,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:01,565 INFO L85 PathProgramCache]: Analyzing trace with hash -328366102, now seen corresponding path program 6 times [2022-09-16 10:41:01,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:01,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440959467] [2022-09-16 10:41:01,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:01,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:01,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:01,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:01,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440959467] [2022-09-16 10:41:01,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440959467] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:01,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:01,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:41:01,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655735552] [2022-09-16 10:41:01,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:01,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:41:01,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:01,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:41:01,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:41:01,950 INFO L87 Difference]: Start difference. First operand 500 states and 887 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:04,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:04,422 INFO L93 Difference]: Finished difference Result 617 states and 1075 transitions. [2022-09-16 10:41:04,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-09-16 10:41:04,422 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:41:04,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:04,423 INFO L225 Difference]: With dead ends: 617 [2022-09-16 10:41:04,423 INFO L226 Difference]: Without dead ends: 617 [2022-09-16 10:41:04,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 618 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=786, Invalid=2520, Unknown=0, NotChecked=0, Total=3306 [2022-09-16 10:41:04,424 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 589 mSDsluCounter, 1253 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 589 SdHoareTripleChecker+Valid, 1355 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:04,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [589 Valid, 1355 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:04,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2022-09-16 10:41:04,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 520. [2022-09-16 10:41:04,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 516 states have (on average 1.7926356589147288) internal successors, (925), 519 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:04,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 925 transitions. [2022-09-16 10:41:04,429 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 925 transitions. Word has length 53 [2022-09-16 10:41:04,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:04,429 INFO L495 AbstractCegarLoop]: Abstraction has 520 states and 925 transitions. [2022-09-16 10:41:04,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:04,429 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 925 transitions. [2022-09-16 10:41:04,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:41:04,429 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:04,429 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:04,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-09-16 10:41:04,430 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:41:04,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:04,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1602101484, now seen corresponding path program 7 times [2022-09-16 10:41:04,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:04,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296965964] [2022-09-16 10:41:04,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:04,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:04,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:04,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:04,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296965964] [2022-09-16 10:41:04,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296965964] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:04,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:04,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:41:04,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073620730] [2022-09-16 10:41:04,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:04,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:41:04,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:04,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:41:04,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:41:04,793 INFO L87 Difference]: Start difference. First operand 520 states and 925 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:06,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:06,354 INFO L93 Difference]: Finished difference Result 574 states and 1011 transitions. [2022-09-16 10:41:06,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-09-16 10:41:06,354 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:41:06,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:06,355 INFO L225 Difference]: With dead ends: 574 [2022-09-16 10:41:06,355 INFO L226 Difference]: Without dead ends: 574 [2022-09-16 10:41:06,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 390 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=497, Invalid=1855, Unknown=0, NotChecked=0, Total=2352 [2022-09-16 10:41:06,355 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 506 mSDsluCounter, 1294 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 1400 SdHoareTripleChecker+Invalid, 796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:06,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 1400 Invalid, 796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 768 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:06,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2022-09-16 10:41:06,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 523. [2022-09-16 10:41:06,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 519 states have (on average 1.79383429672447) internal successors, (931), 522 states have internal predecessors, (931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:06,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 931 transitions. [2022-09-16 10:41:06,375 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 931 transitions. Word has length 53 [2022-09-16 10:41:06,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:06,375 INFO L495 AbstractCegarLoop]: Abstraction has 523 states and 931 transitions. [2022-09-16 10:41:06,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:06,375 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 931 transitions. [2022-09-16 10:41:06,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:41:06,376 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:06,376 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:06,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-09-16 10:41:06,389 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:41:06,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:06,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1569197602, now seen corresponding path program 8 times [2022-09-16 10:41:06,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:06,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243232387] [2022-09-16 10:41:06,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:06,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:06,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:06,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:06,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243232387] [2022-09-16 10:41:06,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243232387] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:06,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:06,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:41:06,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529461743] [2022-09-16 10:41:06,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:06,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:41:06,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:06,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:41:06,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:41:06,728 INFO L87 Difference]: Start difference. First operand 523 states and 931 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:08,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:08,432 INFO L93 Difference]: Finished difference Result 610 states and 1071 transitions. [2022-09-16 10:41:08,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-09-16 10:41:08,433 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:41:08,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:08,433 INFO L225 Difference]: With dead ends: 610 [2022-09-16 10:41:08,433 INFO L226 Difference]: Without dead ends: 610 [2022-09-16 10:41:08,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=556, Invalid=1994, Unknown=0, NotChecked=0, Total=2550 [2022-09-16 10:41:08,434 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 560 mSDsluCounter, 1338 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 560 SdHoareTripleChecker+Valid, 1445 SdHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:08,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [560 Valid, 1445 Invalid, 804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:08,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2022-09-16 10:41:08,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 522. [2022-09-16 10:41:08,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 518 states have (on average 1.7934362934362935) internal successors, (929), 521 states have internal predecessors, (929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:08,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 929 transitions. [2022-09-16 10:41:08,440 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 929 transitions. Word has length 53 [2022-09-16 10:41:08,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:08,440 INFO L495 AbstractCegarLoop]: Abstraction has 522 states and 929 transitions. [2022-09-16 10:41:08,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:08,440 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 929 transitions. [2022-09-16 10:41:08,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:41:08,440 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:08,440 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:08,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-09-16 10:41:08,441 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:41:08,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:08,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1497657706, now seen corresponding path program 9 times [2022-09-16 10:41:08,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:08,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751190853] [2022-09-16 10:41:08,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:08,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:08,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:08,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:08,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751190853] [2022-09-16 10:41:08,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751190853] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:08,803 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:08,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:41:08,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920682852] [2022-09-16 10:41:08,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:08,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:41:08,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:08,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:41:08,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:41:08,804 INFO L87 Difference]: Start difference. First operand 522 states and 929 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:11,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:11,123 INFO L93 Difference]: Finished difference Result 639 states and 1117 transitions. [2022-09-16 10:41:11,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-09-16 10:41:11,123 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:41:11,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:11,124 INFO L225 Difference]: With dead ends: 639 [2022-09-16 10:41:11,124 INFO L226 Difference]: Without dead ends: 639 [2022-09-16 10:41:11,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 645 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=821, Invalid=2719, Unknown=0, NotChecked=0, Total=3540 [2022-09-16 10:41:11,125 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 686 mSDsluCounter, 1349 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 686 SdHoareTripleChecker+Valid, 1453 SdHoareTripleChecker+Invalid, 847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:11,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [686 Valid, 1453 Invalid, 847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 816 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:11,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2022-09-16 10:41:11,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 520. [2022-09-16 10:41:11,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 516 states have (on average 1.7926356589147288) internal successors, (925), 519 states have internal predecessors, (925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:11,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 925 transitions. [2022-09-16 10:41:11,130 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 925 transitions. Word has length 53 [2022-09-16 10:41:11,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:11,130 INFO L495 AbstractCegarLoop]: Abstraction has 520 states and 925 transitions. [2022-09-16 10:41:11,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:11,130 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 925 transitions. [2022-09-16 10:41:11,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:41:11,131 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:11,131 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:11,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-09-16 10:41:11,131 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:41:11,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:11,132 INFO L85 PathProgramCache]: Analyzing trace with hash -657671424, now seen corresponding path program 10 times [2022-09-16 10:41:11,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:11,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517704076] [2022-09-16 10:41:11,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:11,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:11,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:11,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:11,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517704076] [2022-09-16 10:41:11,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517704076] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:11,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:11,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:41:11,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968209519] [2022-09-16 10:41:11,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:11,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:41:11,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:11,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:41:11,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:41:11,416 INFO L87 Difference]: Start difference. First operand 520 states and 925 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:16,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:16,961 INFO L93 Difference]: Finished difference Result 671 states and 1170 transitions. [2022-09-16 10:41:16,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2022-09-16 10:41:16,962 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:41:16,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:16,962 INFO L225 Difference]: With dead ends: 671 [2022-09-16 10:41:16,962 INFO L226 Difference]: Without dead ends: 671 [2022-09-16 10:41:16,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2652 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=2252, Invalid=7848, Unknown=0, NotChecked=0, Total=10100 [2022-09-16 10:41:16,964 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 974 mSDsluCounter, 1194 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 974 SdHoareTripleChecker+Valid, 1293 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:16,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [974 Valid, 1293 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1089 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:41:16,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2022-09-16 10:41:16,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 492. [2022-09-16 10:41:16,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 488 states have (on average 1.7930327868852458) internal successors, (875), 491 states have internal predecessors, (875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:16,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 875 transitions. [2022-09-16 10:41:16,970 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 875 transitions. Word has length 53 [2022-09-16 10:41:16,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:16,970 INFO L495 AbstractCegarLoop]: Abstraction has 492 states and 875 transitions. [2022-09-16 10:41:16,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:16,970 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 875 transitions. [2022-09-16 10:41:16,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:41:16,971 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:16,971 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:16,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-09-16 10:41:16,971 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:41:16,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:16,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1015841890, now seen corresponding path program 11 times [2022-09-16 10:41:16,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:16,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112852366] [2022-09-16 10:41:16,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:16,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:16,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:17,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:17,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:17,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112852366] [2022-09-16 10:41:17,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112852366] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:17,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:17,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:41:17,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645718392] [2022-09-16 10:41:17,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:17,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:41:17,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:17,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:41:17,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:41:17,373 INFO L87 Difference]: Start difference. First operand 492 states and 875 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:23,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:23,593 INFO L93 Difference]: Finished difference Result 574 states and 1011 transitions. [2022-09-16 10:41:23,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-09-16 10:41:23,593 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:41:23,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:23,594 INFO L225 Difference]: With dead ends: 574 [2022-09-16 10:41:23,594 INFO L226 Difference]: Without dead ends: 574 [2022-09-16 10:41:23,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2393 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=2185, Invalid=7517, Unknown=0, NotChecked=0, Total=9702 [2022-09-16 10:41:23,595 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 951 mSDsluCounter, 991 mSDsCounter, 0 mSdLazyCounter, 941 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 951 SdHoareTripleChecker+Valid, 1088 SdHoareTripleChecker+Invalid, 972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:23,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [951 Valid, 1088 Invalid, 972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 941 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:41:23,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2022-09-16 10:41:23,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 444. [2022-09-16 10:41:23,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 441 states have (on average 1.7936507936507937) internal successors, (791), 443 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:23,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 791 transitions. [2022-09-16 10:41:23,601 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 791 transitions. Word has length 53 [2022-09-16 10:41:23,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:23,601 INFO L495 AbstractCegarLoop]: Abstraction has 444 states and 791 transitions. [2022-09-16 10:41:23,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:23,601 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 791 transitions. [2022-09-16 10:41:23,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:41:23,602 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:23,602 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:23,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-09-16 10:41:23,602 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:41:23,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:23,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1268939411, now seen corresponding path program 1 times [2022-09-16 10:41:23,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:23,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888476787] [2022-09-16 10:41:23,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:23,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:24,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:24,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:24,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888476787] [2022-09-16 10:41:24,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888476787] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:24,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:24,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:41:24,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634549192] [2022-09-16 10:41:24,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:24,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:41:24,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:24,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:41:24,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:41:24,002 INFO L87 Difference]: Start difference. First operand 444 states and 791 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:26,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:26,137 INFO L93 Difference]: Finished difference Result 537 states and 947 transitions. [2022-09-16 10:41:26,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-09-16 10:41:26,137 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:41:26,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:26,138 INFO L225 Difference]: With dead ends: 537 [2022-09-16 10:41:26,138 INFO L226 Difference]: Without dead ends: 537 [2022-09-16 10:41:26,138 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 474 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=683, Invalid=2287, Unknown=0, NotChecked=0, Total=2970 [2022-09-16 10:41:26,139 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 699 mSDsluCounter, 1021 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 699 SdHoareTripleChecker+Valid, 1126 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:26,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [699 Valid, 1126 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 720 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:26,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2022-09-16 10:41:26,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 447. [2022-09-16 10:41:26,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 444 states have (on average 1.795045045045045) internal successors, (797), 446 states have internal predecessors, (797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:26,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 797 transitions. [2022-09-16 10:41:26,143 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 797 transitions. Word has length 53 [2022-09-16 10:41:26,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:26,143 INFO L495 AbstractCegarLoop]: Abstraction has 447 states and 797 transitions. [2022-09-16 10:41:26,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:26,143 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 797 transitions. [2022-09-16 10:41:26,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:41:26,143 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:26,143 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:26,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-09-16 10:41:26,144 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:41:26,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:26,144 INFO L85 PathProgramCache]: Analyzing trace with hash -103282213, now seen corresponding path program 2 times [2022-09-16 10:41:26,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:26,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299969701] [2022-09-16 10:41:26,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:26,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:26,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:26,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:26,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299969701] [2022-09-16 10:41:26,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299969701] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:26,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:26,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:41:26,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432583629] [2022-09-16 10:41:26,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:26,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:41:26,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:26,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:41:26,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:41:26,623 INFO L87 Difference]: Start difference. First operand 447 states and 797 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:28,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:28,923 INFO L93 Difference]: Finished difference Result 574 states and 999 transitions. [2022-09-16 10:41:28,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-09-16 10:41:28,924 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:41:28,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:28,924 INFO L225 Difference]: With dead ends: 574 [2022-09-16 10:41:28,924 INFO L226 Difference]: Without dead ends: 574 [2022-09-16 10:41:28,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 792 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=978, Invalid=3312, Unknown=0, NotChecked=0, Total=4290 [2022-09-16 10:41:28,926 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 705 mSDsluCounter, 1354 mSDsCounter, 0 mSdLazyCounter, 998 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 1462 SdHoareTripleChecker+Invalid, 1032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:28,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [705 Valid, 1462 Invalid, 1032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 998 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:28,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2022-09-16 10:41:28,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 447. [2022-09-16 10:41:28,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 444 states have (on average 1.795045045045045) internal successors, (797), 446 states have internal predecessors, (797), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:28,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 797 transitions. [2022-09-16 10:41:28,930 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 797 transitions. Word has length 53 [2022-09-16 10:41:28,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:28,930 INFO L495 AbstractCegarLoop]: Abstraction has 447 states and 797 transitions. [2022-09-16 10:41:28,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:28,930 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 797 transitions. [2022-09-16 10:41:28,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:41:28,931 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:28,931 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:28,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-09-16 10:41:28,931 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:41:28,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:28,931 INFO L85 PathProgramCache]: Analyzing trace with hash 569478291, now seen corresponding path program 3 times [2022-09-16 10:41:28,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:28,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491274721] [2022-09-16 10:41:28,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:28,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:28,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:29,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:29,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:29,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491274721] [2022-09-16 10:41:29,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491274721] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:29,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:29,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:41:29,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572016388] [2022-09-16 10:41:29,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:29,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:41:29,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:29,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:41:29,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:41:29,325 INFO L87 Difference]: Start difference. First operand 447 states and 797 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:32,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:32,295 INFO L93 Difference]: Finished difference Result 723 states and 1261 transitions. [2022-09-16 10:41:32,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-09-16 10:41:32,295 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:41:32,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:32,296 INFO L225 Difference]: With dead ends: 723 [2022-09-16 10:41:32,296 INFO L226 Difference]: Without dead ends: 723 [2022-09-16 10:41:32,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1735 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=1439, Invalid=5533, Unknown=0, NotChecked=0, Total=6972 [2022-09-16 10:41:32,297 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 748 mSDsluCounter, 1575 mSDsCounter, 0 mSdLazyCounter, 1221 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 748 SdHoareTripleChecker+Valid, 1699 SdHoareTripleChecker+Invalid, 1257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:32,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [748 Valid, 1699 Invalid, 1257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1221 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:41:32,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2022-09-16 10:41:32,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 457. [2022-09-16 10:41:32,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 454 states have (on average 1.7995594713656389) internal successors, (817), 456 states have internal predecessors, (817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:32,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 817 transitions. [2022-09-16 10:41:32,314 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 817 transitions. Word has length 53 [2022-09-16 10:41:32,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:32,314 INFO L495 AbstractCegarLoop]: Abstraction has 457 states and 817 transitions. [2022-09-16 10:41:32,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:32,314 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 817 transitions. [2022-09-16 10:41:32,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:41:32,314 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:32,314 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:32,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-09-16 10:41:32,314 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:41:32,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:32,315 INFO L85 PathProgramCache]: Analyzing trace with hash -461219545, now seen corresponding path program 4 times [2022-09-16 10:41:32,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:32,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835953749] [2022-09-16 10:41:32,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:32,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:32,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:32,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:32,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835953749] [2022-09-16 10:41:32,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835953749] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:32,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:32,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:41:32,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320265304] [2022-09-16 10:41:32,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:32,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:41:32,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:32,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:41:32,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:41:32,625 INFO L87 Difference]: Start difference. First operand 457 states and 817 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:35,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:35,578 INFO L93 Difference]: Finished difference Result 673 states and 1180 transitions. [2022-09-16 10:41:35,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-09-16 10:41:35,579 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:41:35,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:35,579 INFO L225 Difference]: With dead ends: 673 [2022-09-16 10:41:35,579 INFO L226 Difference]: Without dead ends: 673 [2022-09-16 10:41:35,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1870 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1522, Invalid=5788, Unknown=0, NotChecked=0, Total=7310 [2022-09-16 10:41:35,580 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 859 mSDsluCounter, 1676 mSDsCounter, 0 mSdLazyCounter, 1253 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 859 SdHoareTripleChecker+Valid, 1805 SdHoareTripleChecker+Invalid, 1297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:35,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [859 Valid, 1805 Invalid, 1297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1253 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:41:35,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2022-09-16 10:41:35,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 468. [2022-09-16 10:41:35,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 465 states have (on average 1.8021505376344087) internal successors, (838), 467 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:35,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 838 transitions. [2022-09-16 10:41:35,594 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 838 transitions. Word has length 53 [2022-09-16 10:41:35,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:35,594 INFO L495 AbstractCegarLoop]: Abstraction has 468 states and 838 transitions. [2022-09-16 10:41:35,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:35,594 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 838 transitions. [2022-09-16 10:41:35,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:41:35,595 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:35,595 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:35,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-09-16 10:41:35,595 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:41:35,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:35,596 INFO L85 PathProgramCache]: Analyzing trace with hash 97793995, now seen corresponding path program 5 times [2022-09-16 10:41:35,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:35,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783770446] [2022-09-16 10:41:35,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:35,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:35,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:35,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:35,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783770446] [2022-09-16 10:41:35,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783770446] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:35,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:35,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:41:35,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633610895] [2022-09-16 10:41:35,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:35,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:41:35,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:35,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:41:35,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:41:35,973 INFO L87 Difference]: Start difference. First operand 468 states and 838 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:37,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:37,631 INFO L93 Difference]: Finished difference Result 611 states and 1076 transitions. [2022-09-16 10:41:37,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-09-16 10:41:37,632 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:41:37,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:37,632 INFO L225 Difference]: With dead ends: 611 [2022-09-16 10:41:37,632 INFO L226 Difference]: Without dead ends: 611 [2022-09-16 10:41:37,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=585, Invalid=2277, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:41:37,634 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 553 mSDsluCounter, 1297 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 1407 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:37,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 1407 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:37,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2022-09-16 10:41:37,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 476. [2022-09-16 10:41:37,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 473 states have (on average 1.8054968287526427) internal successors, (854), 475 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:37,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 854 transitions. [2022-09-16 10:41:37,639 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 854 transitions. Word has length 53 [2022-09-16 10:41:37,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:37,639 INFO L495 AbstractCegarLoop]: Abstraction has 476 states and 854 transitions. [2022-09-16 10:41:37,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:37,639 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 854 transitions. [2022-09-16 10:41:37,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:41:37,639 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:37,639 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:37,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-09-16 10:41:37,639 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:41:37,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:37,640 INFO L85 PathProgramCache]: Analyzing trace with hash 770554499, now seen corresponding path program 6 times [2022-09-16 10:41:37,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:37,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185809418] [2022-09-16 10:41:37,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:37,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:37,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:37,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:37,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185809418] [2022-09-16 10:41:37,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185809418] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:37,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:37,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:41:37,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131658789] [2022-09-16 10:41:37,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:37,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:41:37,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:37,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:41:37,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:41:37,986 INFO L87 Difference]: Start difference. First operand 476 states and 854 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:39,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:39,534 INFO L93 Difference]: Finished difference Result 666 states and 1172 transitions. [2022-09-16 10:41:39,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-09-16 10:41:39,534 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:41:39,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:39,535 INFO L225 Difference]: With dead ends: 666 [2022-09-16 10:41:39,535 INFO L226 Difference]: Without dead ends: 666 [2022-09-16 10:41:39,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 656 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=713, Invalid=2827, Unknown=0, NotChecked=0, Total=3540 [2022-09-16 10:41:39,536 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 535 mSDsluCounter, 1333 mSDsCounter, 0 mSdLazyCounter, 913 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 1442 SdHoareTripleChecker+Invalid, 947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:39,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [535 Valid, 1442 Invalid, 947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 913 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:39,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2022-09-16 10:41:39,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 483. [2022-09-16 10:41:39,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 480 states have (on average 1.8083333333333333) internal successors, (868), 482 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:39,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 868 transitions. [2022-09-16 10:41:39,540 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 868 transitions. Word has length 53 [2022-09-16 10:41:39,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:39,540 INFO L495 AbstractCegarLoop]: Abstraction has 483 states and 868 transitions. [2022-09-16 10:41:39,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:39,541 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 868 transitions. [2022-09-16 10:41:39,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:41:39,541 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:39,541 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:39,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-09-16 10:41:39,541 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:41:39,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:39,542 INFO L85 PathProgramCache]: Analyzing trace with hash -260143337, now seen corresponding path program 7 times [2022-09-16 10:41:39,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:39,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804954223] [2022-09-16 10:41:39,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:39,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:39,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:39,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:39,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804954223] [2022-09-16 10:41:39,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804954223] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:39,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:39,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:41:39,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003030295] [2022-09-16 10:41:39,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:39,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:41:39,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:39,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:41:39,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:41:39,919 INFO L87 Difference]: Start difference. First operand 483 states and 868 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:41,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:41,664 INFO L93 Difference]: Finished difference Result 669 states and 1183 transitions. [2022-09-16 10:41:41,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-09-16 10:41:41,664 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:41:41,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:41,665 INFO L225 Difference]: With dead ends: 669 [2022-09-16 10:41:41,665 INFO L226 Difference]: Without dead ends: 669 [2022-09-16 10:41:41,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 723 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=768, Invalid=2892, Unknown=0, NotChecked=0, Total=3660 [2022-09-16 10:41:41,666 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 642 mSDsluCounter, 1444 mSDsCounter, 0 mSdLazyCounter, 925 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 642 SdHoareTripleChecker+Valid, 1559 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 925 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:41,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [642 Valid, 1559 Invalid, 967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 925 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:41,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2022-09-16 10:41:41,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 476. [2022-09-16 10:41:41,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 473 states have (on average 1.8054968287526427) internal successors, (854), 475 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:41,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 854 transitions. [2022-09-16 10:41:41,671 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 854 transitions. Word has length 53 [2022-09-16 10:41:41,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:41,671 INFO L495 AbstractCegarLoop]: Abstraction has 476 states and 854 transitions. [2022-09-16 10:41:41,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:41,672 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 854 transitions. [2022-09-16 10:41:41,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:41:41,672 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:41,672 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:41,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-09-16 10:41:41,672 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:41:41,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:41,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1261656211, now seen corresponding path program 8 times [2022-09-16 10:41:41,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:41,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134746592] [2022-09-16 10:41:41,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:41,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:42,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:42,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:42,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134746592] [2022-09-16 10:41:42,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134746592] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:42,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:42,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:41:42,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615551295] [2022-09-16 10:41:42,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:42,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:41:42,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:42,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:41:42,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:41:42,028 INFO L87 Difference]: Start difference. First operand 476 states and 854 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:43,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:43,352 INFO L93 Difference]: Finished difference Result 603 states and 1071 transitions. [2022-09-16 10:41:43,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-09-16 10:41:43,353 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:41:43,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:43,353 INFO L225 Difference]: With dead ends: 603 [2022-09-16 10:41:43,353 INFO L226 Difference]: Without dead ends: 603 [2022-09-16 10:41:43,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 579 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=602, Invalid=2590, Unknown=0, NotChecked=0, Total=3192 [2022-09-16 10:41:43,354 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 592 mSDsluCounter, 1271 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 592 SdHoareTripleChecker+Valid, 1379 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:43,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [592 Valid, 1379 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 818 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:41:43,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2022-09-16 10:41:43,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 487. [2022-09-16 10:41:43,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 484 states have (on average 1.8099173553719008) internal successors, (876), 486 states have internal predecessors, (876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:43,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 876 transitions. [2022-09-16 10:41:43,359 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 876 transitions. Word has length 53 [2022-09-16 10:41:43,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:43,359 INFO L495 AbstractCegarLoop]: Abstraction has 487 states and 876 transitions. [2022-09-16 10:41:43,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:43,359 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 876 transitions. [2022-09-16 10:41:43,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:41:43,359 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:43,359 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:43,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-09-16 10:41:43,360 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:41:43,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:43,360 INFO L85 PathProgramCache]: Analyzing trace with hash 2002613249, now seen corresponding path program 9 times [2022-09-16 10:41:43,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:43,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879239851] [2022-09-16 10:41:43,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:43,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:43,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:43,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:43,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879239851] [2022-09-16 10:41:43,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879239851] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:43,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:43,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:41:43,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058374894] [2022-09-16 10:41:43,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:43,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:41:43,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:43,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:41:43,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:41:43,771 INFO L87 Difference]: Start difference. First operand 487 states and 876 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:45,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:45,677 INFO L93 Difference]: Finished difference Result 695 states and 1230 transitions. [2022-09-16 10:41:45,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-09-16 10:41:45,678 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:41:45,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:45,678 INFO L225 Difference]: With dead ends: 695 [2022-09-16 10:41:45,678 INFO L226 Difference]: Without dead ends: 695 [2022-09-16 10:41:45,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 932 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=906, Invalid=3516, Unknown=0, NotChecked=0, Total=4422 [2022-09-16 10:41:45,679 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 701 mSDsluCounter, 1368 mSDsCounter, 0 mSdLazyCounter, 898 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 701 SdHoareTripleChecker+Valid, 1486 SdHoareTripleChecker+Invalid, 945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:45,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [701 Valid, 1486 Invalid, 945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 898 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:45,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2022-09-16 10:41:45,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 484. [2022-09-16 10:41:45,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 481 states have (on average 1.8087318087318087) internal successors, (870), 483 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:45,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 870 transitions. [2022-09-16 10:41:45,684 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 870 transitions. Word has length 53 [2022-09-16 10:41:45,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:45,684 INFO L495 AbstractCegarLoop]: Abstraction has 484 states and 870 transitions. [2022-09-16 10:41:45,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:45,684 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 870 transitions. [2022-09-16 10:41:45,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:41:45,685 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:45,685 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:45,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-09-16 10:41:45,685 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:41:45,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:45,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1293442733, now seen corresponding path program 10 times [2022-09-16 10:41:45,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:45,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777357505] [2022-09-16 10:41:45,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:45,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:45,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:45,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:45,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777357505] [2022-09-16 10:41:45,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777357505] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:45,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:45,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:41:45,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579800746] [2022-09-16 10:41:45,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:45,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:41:45,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:45,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:41:45,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:41:45,936 INFO L87 Difference]: Start difference. First operand 484 states and 870 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:47,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:47,951 INFO L93 Difference]: Finished difference Result 772 states and 1370 transitions. [2022-09-16 10:41:47,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-09-16 10:41:47,951 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:41:47,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:47,952 INFO L225 Difference]: With dead ends: 772 [2022-09-16 10:41:47,952 INFO L226 Difference]: Without dead ends: 772 [2022-09-16 10:41:47,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1155 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1026, Invalid=3944, Unknown=0, NotChecked=0, Total=4970 [2022-09-16 10:41:47,953 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 732 mSDsluCounter, 1330 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 732 SdHoareTripleChecker+Valid, 1454 SdHoareTripleChecker+Invalid, 889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:47,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [732 Valid, 1454 Invalid, 889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 842 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:47,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2022-09-16 10:41:47,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 506. [2022-09-16 10:41:47,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 503 states have (on average 1.8131212723658052) internal successors, (912), 505 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:47,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 912 transitions. [2022-09-16 10:41:47,963 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 912 transitions. Word has length 53 [2022-09-16 10:41:47,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:47,963 INFO L495 AbstractCegarLoop]: Abstraction has 506 states and 912 transitions. [2022-09-16 10:41:47,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:47,963 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 912 transitions. [2022-09-16 10:41:47,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:41:47,964 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:47,964 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:47,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-09-16 10:41:47,964 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:41:47,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:47,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1102247513, now seen corresponding path program 11 times [2022-09-16 10:41:47,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:47,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540404169] [2022-09-16 10:41:47,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:47,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:48,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:48,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:48,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540404169] [2022-09-16 10:41:48,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540404169] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:48,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:48,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:41:48,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598320145] [2022-09-16 10:41:48,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:48,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:41:48,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:48,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:41:48,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:41:48,340 INFO L87 Difference]: Start difference. First operand 506 states and 912 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:50,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:50,832 INFO L93 Difference]: Finished difference Result 672 states and 1172 transitions. [2022-09-16 10:41:50,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-09-16 10:41:50,832 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:41:50,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:50,833 INFO L225 Difference]: With dead ends: 672 [2022-09-16 10:41:50,833 INFO L226 Difference]: Without dead ends: 672 [2022-09-16 10:41:50,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 429 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=683, Invalid=2287, Unknown=0, NotChecked=0, Total=2970 [2022-09-16 10:41:50,834 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 589 mSDsluCounter, 1293 mSDsCounter, 0 mSdLazyCounter, 927 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 589 SdHoareTripleChecker+Valid, 1408 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 927 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:50,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [589 Valid, 1408 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 927 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:41:50,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2022-09-16 10:41:50,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 506. [2022-09-16 10:41:50,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 503 states have (on average 1.8131212723658052) internal successors, (912), 505 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:50,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 912 transitions. [2022-09-16 10:41:50,838 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 912 transitions. Word has length 53 [2022-09-16 10:41:50,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:50,838 INFO L495 AbstractCegarLoop]: Abstraction has 506 states and 912 transitions. [2022-09-16 10:41:50,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:50,838 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 912 transitions. [2022-09-16 10:41:50,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:41:50,839 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:50,839 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:50,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-09-16 10:41:50,839 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:41:50,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:50,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1775008017, now seen corresponding path program 12 times [2022-09-16 10:41:50,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:50,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360692882] [2022-09-16 10:41:50,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:50,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:50,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:51,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:51,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:51,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360692882] [2022-09-16 10:41:51,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360692882] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:51,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:51,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:41:51,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984229414] [2022-09-16 10:41:51,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:51,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:41:51,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:51,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:41:51,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:41:51,224 INFO L87 Difference]: Start difference. First operand 506 states and 912 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:53,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:53,796 INFO L93 Difference]: Finished difference Result 778 states and 1356 transitions. [2022-09-16 10:41:53,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-09-16 10:41:53,796 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:41:53,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:53,797 INFO L225 Difference]: With dead ends: 778 [2022-09-16 10:41:53,797 INFO L226 Difference]: Without dead ends: 778 [2022-09-16 10:41:53,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1427 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1208, Invalid=4798, Unknown=0, NotChecked=0, Total=6006 [2022-09-16 10:41:53,798 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 639 mSDsluCounter, 1238 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 1352 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:53,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 1352 Invalid, 966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 926 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:53,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2022-09-16 10:41:53,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 514. [2022-09-16 10:41:53,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 511 states have (on average 1.8160469667318981) internal successors, (928), 513 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:53,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 928 transitions. [2022-09-16 10:41:53,804 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 928 transitions. Word has length 53 [2022-09-16 10:41:53,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:53,804 INFO L495 AbstractCegarLoop]: Abstraction has 514 states and 928 transitions. [2022-09-16 10:41:53,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:53,804 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 928 transitions. [2022-09-16 10:41:53,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:41:53,804 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:53,804 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:53,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-09-16 10:41:53,805 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:41:53,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:53,805 INFO L85 PathProgramCache]: Analyzing trace with hash 744310181, now seen corresponding path program 13 times [2022-09-16 10:41:53,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:53,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396334283] [2022-09-16 10:41:53,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:53,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:54,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:54,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:54,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396334283] [2022-09-16 10:41:54,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396334283] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:54,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:54,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:41:54,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257570397] [2022-09-16 10:41:54,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:54,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:41:54,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:54,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:41:54,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:41:54,069 INFO L87 Difference]: Start difference. First operand 514 states and 928 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:56,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:56,416 INFO L93 Difference]: Finished difference Result 781 states and 1367 transitions. [2022-09-16 10:41:56,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-09-16 10:41:56,420 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:41:56,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:56,421 INFO L225 Difference]: With dead ends: 781 [2022-09-16 10:41:56,421 INFO L226 Difference]: Without dead ends: 781 [2022-09-16 10:41:56,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1042 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1080, Invalid=3890, Unknown=0, NotChecked=0, Total=4970 [2022-09-16 10:41:56,422 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 680 mSDsluCounter, 1473 mSDsCounter, 0 mSdLazyCounter, 1013 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 680 SdHoareTripleChecker+Valid, 1593 SdHoareTripleChecker+Invalid, 1045 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:56,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [680 Valid, 1593 Invalid, 1045 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1013 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:56,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2022-09-16 10:41:56,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 506. [2022-09-16 10:41:56,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 503 states have (on average 1.8131212723658052) internal successors, (912), 505 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:56,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 912 transitions. [2022-09-16 10:41:56,426 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 912 transitions. Word has length 53 [2022-09-16 10:41:56,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:56,427 INFO L495 AbstractCegarLoop]: Abstraction has 506 states and 912 transitions. [2022-09-16 10:41:56,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:56,427 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 912 transitions. [2022-09-16 10:41:56,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:41:56,427 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:56,427 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:56,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-09-16 10:41:56,427 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:41:56,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:56,428 INFO L85 PathProgramCache]: Analyzing trace with hash -733061095, now seen corresponding path program 14 times [2022-09-16 10:41:56,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:56,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090799818] [2022-09-16 10:41:56,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:56,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:56,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:56,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:56,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090799818] [2022-09-16 10:41:56,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090799818] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:56,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:56,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:41:56,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183296282] [2022-09-16 10:41:56,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:56,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:41:56,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:56,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:41:56,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:41:56,743 INFO L87 Difference]: Start difference. First operand 506 states and 912 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:00,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:00,729 INFO L93 Difference]: Finished difference Result 786 states and 1378 transitions. [2022-09-16 10:42:00,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-09-16 10:42:00,729 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:42:00,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:00,730 INFO L225 Difference]: With dead ends: 786 [2022-09-16 10:42:00,730 INFO L226 Difference]: Without dead ends: 786 [2022-09-16 10:42:00,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1567 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=1323, Invalid=5157, Unknown=0, NotChecked=0, Total=6480 [2022-09-16 10:42:00,730 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 719 mSDsluCounter, 1335 mSDsCounter, 0 mSdLazyCounter, 1085 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 719 SdHoareTripleChecker+Valid, 1452 SdHoareTripleChecker+Invalid, 1128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:00,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [719 Valid, 1452 Invalid, 1128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1085 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:42:00,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2022-09-16 10:42:00,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 510. [2022-09-16 10:42:00,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 507 states have (on average 1.8145956607495068) internal successors, (920), 509 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:00,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 920 transitions. [2022-09-16 10:42:00,735 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 920 transitions. Word has length 53 [2022-09-16 10:42:00,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:00,735 INFO L495 AbstractCegarLoop]: Abstraction has 510 states and 920 transitions. [2022-09-16 10:42:00,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:00,736 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 920 transitions. [2022-09-16 10:42:00,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:42:00,737 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:00,737 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:00,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-09-16 10:42:00,737 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:42:00,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:00,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1763758931, now seen corresponding path program 15 times [2022-09-16 10:42:00,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:00,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735811901] [2022-09-16 10:42:00,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:00,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:01,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:01,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:01,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735811901] [2022-09-16 10:42:01,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735811901] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:01,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:01,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:42:01,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085780362] [2022-09-16 10:42:01,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:01,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:42:01,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:01,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:42:01,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:42:01,147 INFO L87 Difference]: Start difference. First operand 510 states and 920 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:04,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:04,508 INFO L93 Difference]: Finished difference Result 789 states and 1389 transitions. [2022-09-16 10:42:04,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-09-16 10:42:04,508 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:42:04,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:04,509 INFO L225 Difference]: With dead ends: 789 [2022-09-16 10:42:04,509 INFO L226 Difference]: Without dead ends: 789 [2022-09-16 10:42:04,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1142 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=1176, Invalid=4226, Unknown=0, NotChecked=0, Total=5402 [2022-09-16 10:42:04,510 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 700 mSDsluCounter, 1320 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 700 SdHoareTripleChecker+Valid, 1443 SdHoareTripleChecker+Invalid, 1005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:04,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [700 Valid, 1443 Invalid, 1005 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 973 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:42:04,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2022-09-16 10:42:04,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 500. [2022-09-16 10:42:04,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 497 states have (on average 1.8108651911468814) internal successors, (900), 499 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:04,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 900 transitions. [2022-09-16 10:42:04,529 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 900 transitions. Word has length 53 [2022-09-16 10:42:04,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:04,529 INFO L495 AbstractCegarLoop]: Abstraction has 500 states and 900 transitions. [2022-09-16 10:42:04,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:04,529 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 900 transitions. [2022-09-16 10:42:04,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:42:04,530 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:04,530 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:04,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-09-16 10:42:04,530 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:42:04,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:04,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1106845409, now seen corresponding path program 16 times [2022-09-16 10:42:04,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:04,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388061246] [2022-09-16 10:42:04,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:04,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:04,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:04,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:04,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:04,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388061246] [2022-09-16 10:42:04,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388061246] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:04,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:04,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:42:04,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715945744] [2022-09-16 10:42:04,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:04,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:42:04,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:04,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:42:04,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:42:04,895 INFO L87 Difference]: Start difference. First operand 500 states and 900 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:06,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:06,327 INFO L93 Difference]: Finished difference Result 653 states and 1152 transitions. [2022-09-16 10:42:06,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-09-16 10:42:06,327 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:42:06,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:06,328 INFO L225 Difference]: With dead ends: 653 [2022-09-16 10:42:06,328 INFO L226 Difference]: Without dead ends: 653 [2022-09-16 10:42:06,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=585, Invalid=2277, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:42:06,335 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 594 mSDsluCounter, 1243 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 1353 SdHoareTripleChecker+Invalid, 850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:06,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 1353 Invalid, 850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 817 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:42:06,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2022-09-16 10:42:06,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 511. [2022-09-16 10:42:06,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 511 states, 508 states have (on average 1.81496062992126) internal successors, (922), 510 states have internal predecessors, (922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:06,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 922 transitions. [2022-09-16 10:42:06,342 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 922 transitions. Word has length 53 [2022-09-16 10:42:06,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:06,342 INFO L495 AbstractCegarLoop]: Abstraction has 511 states and 922 transitions. [2022-09-16 10:42:06,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:06,342 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 922 transitions. [2022-09-16 10:42:06,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:42:06,343 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:06,343 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:06,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-09-16 10:42:06,343 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:42:06,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:06,344 INFO L85 PathProgramCache]: Analyzing trace with hash -434084905, now seen corresponding path program 17 times [2022-09-16 10:42:06,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:06,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099619195] [2022-09-16 10:42:06,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:06,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:06,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:06,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:06,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099619195] [2022-09-16 10:42:06,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099619195] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:06,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:06,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:42:06,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633730286] [2022-09-16 10:42:06,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:06,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:42:06,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:06,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:42:06,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:42:06,767 INFO L87 Difference]: Start difference. First operand 511 states and 922 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:08,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:08,562 INFO L93 Difference]: Finished difference Result 708 states and 1248 transitions. [2022-09-16 10:42:08,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-09-16 10:42:08,563 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:42:08,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:08,563 INFO L225 Difference]: With dead ends: 708 [2022-09-16 10:42:08,564 INFO L226 Difference]: Without dead ends: 708 [2022-09-16 10:42:08,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 656 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=713, Invalid=2827, Unknown=0, NotChecked=0, Total=3540 [2022-09-16 10:42:08,564 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 599 mSDsluCounter, 1334 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 599 SdHoareTripleChecker+Valid, 1443 SdHoareTripleChecker+Invalid, 946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:08,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [599 Valid, 1443 Invalid, 946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:42:08,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2022-09-16 10:42:08,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 515. [2022-09-16 10:42:08,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 512 states have (on average 1.81640625) internal successors, (930), 514 states have internal predecessors, (930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:08,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 930 transitions. [2022-09-16 10:42:08,569 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 930 transitions. Word has length 53 [2022-09-16 10:42:08,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:08,569 INFO L495 AbstractCegarLoop]: Abstraction has 515 states and 930 transitions. [2022-09-16 10:42:08,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:08,569 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 930 transitions. [2022-09-16 10:42:08,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:42:08,570 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:08,570 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:08,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-09-16 10:42:08,570 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:42:08,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:08,571 INFO L85 PathProgramCache]: Analyzing trace with hash -1464782741, now seen corresponding path program 18 times [2022-09-16 10:42:08,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:08,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553129292] [2022-09-16 10:42:08,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:08,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:08,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:08,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:08,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553129292] [2022-09-16 10:42:08,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553129292] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:08,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:08,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:42:08,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004458500] [2022-09-16 10:42:08,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:08,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:42:08,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:08,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:42:08,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:42:08,885 INFO L87 Difference]: Start difference. First operand 515 states and 930 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:10,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:10,600 INFO L93 Difference]: Finished difference Result 711 states and 1259 transitions. [2022-09-16 10:42:10,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-09-16 10:42:10,600 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:42:10,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:10,601 INFO L225 Difference]: With dead ends: 711 [2022-09-16 10:42:10,601 INFO L226 Difference]: Without dead ends: 711 [2022-09-16 10:42:10,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=640, Invalid=2330, Unknown=0, NotChecked=0, Total=2970 [2022-09-16 10:42:10,601 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 633 mSDsluCounter, 1396 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 633 SdHoareTripleChecker+Valid, 1511 SdHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:10,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [633 Valid, 1511 Invalid, 949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 917 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:42:10,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2022-09-16 10:42:10,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 508. [2022-09-16 10:42:10,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 505 states have (on average 1.813861386138614) internal successors, (916), 507 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:10,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 916 transitions. [2022-09-16 10:42:10,607 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 916 transitions. Word has length 53 [2022-09-16 10:42:10,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:10,607 INFO L495 AbstractCegarLoop]: Abstraction has 508 states and 916 transitions. [2022-09-16 10:42:10,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:10,608 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 916 transitions. [2022-09-16 10:42:10,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:42:10,608 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:10,609 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:10,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-09-16 10:42:10,609 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:42:10,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:10,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1828671681, now seen corresponding path program 19 times [2022-09-16 10:42:10,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:10,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23797222] [2022-09-16 10:42:10,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:10,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:10,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:11,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:11,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:11,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23797222] [2022-09-16 10:42:11,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23797222] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:11,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:11,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:42:11,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415794341] [2022-09-16 10:42:11,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:11,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:42:11,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:11,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:42:11,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:42:11,013 INFO L87 Difference]: Start difference. First operand 508 states and 916 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:13,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:13,367 INFO L93 Difference]: Finished difference Result 663 states and 1175 transitions. [2022-09-16 10:42:13,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-09-16 10:42:13,367 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:42:13,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:13,368 INFO L225 Difference]: With dead ends: 663 [2022-09-16 10:42:13,368 INFO L226 Difference]: Without dead ends: 663 [2022-09-16 10:42:13,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 579 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=602, Invalid=2590, Unknown=0, NotChecked=0, Total=3192 [2022-09-16 10:42:13,369 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 535 mSDsluCounter, 1361 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 1475 SdHoareTripleChecker+Invalid, 922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:13,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [535 Valid, 1475 Invalid, 922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:42:13,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2022-09-16 10:42:13,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 519. [2022-09-16 10:42:13,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 516 states have (on average 1.817829457364341) internal successors, (938), 518 states have internal predecessors, (938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:13,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 938 transitions. [2022-09-16 10:42:13,380 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 938 transitions. Word has length 53 [2022-09-16 10:42:13,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:13,381 INFO L495 AbstractCegarLoop]: Abstraction has 519 states and 938 transitions. [2022-09-16 10:42:13,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:13,381 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 938 transitions. [2022-09-16 10:42:13,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:42:13,382 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:13,382 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:13,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-09-16 10:42:13,382 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:42:13,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:13,382 INFO L85 PathProgramCache]: Analyzing trace with hash 797973845, now seen corresponding path program 20 times [2022-09-16 10:42:13,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:13,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111141618] [2022-09-16 10:42:13,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:13,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:13,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:13,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:13,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111141618] [2022-09-16 10:42:13,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111141618] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:13,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:13,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:42:13,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033129455] [2022-09-16 10:42:13,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:13,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:42:13,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:13,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:42:13,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:42:13,688 INFO L87 Difference]: Start difference. First operand 519 states and 938 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:15,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:15,964 INFO L93 Difference]: Finished difference Result 737 states and 1306 transitions. [2022-09-16 10:42:15,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-09-16 10:42:15,964 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:42:15,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:15,965 INFO L225 Difference]: With dead ends: 737 [2022-09-16 10:42:15,965 INFO L226 Difference]: Without dead ends: 737 [2022-09-16 10:42:15,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 932 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=906, Invalid=3516, Unknown=0, NotChecked=0, Total=4422 [2022-09-16 10:42:15,978 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 721 mSDsluCounter, 1341 mSDsCounter, 0 mSdLazyCounter, 937 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 721 SdHoareTripleChecker+Valid, 1457 SdHoareTripleChecker+Invalid, 983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 937 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:15,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [721 Valid, 1457 Invalid, 983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 937 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:42:15,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states. [2022-09-16 10:42:15,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 516. [2022-09-16 10:42:15,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 513 states have (on average 1.8167641325536061) internal successors, (932), 515 states have internal predecessors, (932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:15,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 932 transitions. [2022-09-16 10:42:15,984 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 932 transitions. Word has length 53 [2022-09-16 10:42:15,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:15,984 INFO L495 AbstractCegarLoop]: Abstraction has 516 states and 932 transitions. [2022-09-16 10:42:15,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:15,984 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 932 transitions. [2022-09-16 10:42:15,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:42:15,984 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:15,985 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:15,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-09-16 10:42:15,985 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:42:15,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:15,985 INFO L85 PathProgramCache]: Analyzing trace with hash 88803329, now seen corresponding path program 21 times [2022-09-16 10:42:15,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:15,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144754167] [2022-09-16 10:42:15,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:15,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:16,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:16,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:16,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144754167] [2022-09-16 10:42:16,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144754167] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:16,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:16,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:42:16,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265353652] [2022-09-16 10:42:16,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:16,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:42:16,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:16,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:42:16,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:42:16,410 INFO L87 Difference]: Start difference. First operand 516 states and 932 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:18,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:18,762 INFO L93 Difference]: Finished difference Result 814 states and 1446 transitions. [2022-09-16 10:42:18,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-09-16 10:42:18,762 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:42:18,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:18,763 INFO L225 Difference]: With dead ends: 814 [2022-09-16 10:42:18,763 INFO L226 Difference]: Without dead ends: 814 [2022-09-16 10:42:18,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1154 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1026, Invalid=3944, Unknown=0, NotChecked=0, Total=4970 [2022-09-16 10:42:18,769 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 753 mSDsluCounter, 1382 mSDsCounter, 0 mSdLazyCounter, 867 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 753 SdHoareTripleChecker+Valid, 1504 SdHoareTripleChecker+Invalid, 911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:18,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [753 Valid, 1504 Invalid, 911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 867 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:42:18,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2022-09-16 10:42:18,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 502. [2022-09-16 10:42:18,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 499 states have (on average 1.811623246492986) internal successors, (904), 501 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:18,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 904 transitions. [2022-09-16 10:42:18,774 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 904 transitions. Word has length 53 [2022-09-16 10:42:18,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:18,774 INFO L495 AbstractCegarLoop]: Abstraction has 502 states and 904 transitions. [2022-09-16 10:42:18,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:18,774 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 904 transitions. [2022-09-16 10:42:18,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:42:18,775 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:18,775 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:18,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-09-16 10:42:18,775 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:42:18,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:18,776 INFO L85 PathProgramCache]: Analyzing trace with hash -396482369, now seen corresponding path program 22 times [2022-09-16 10:42:18,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:18,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773172535] [2022-09-16 10:42:18,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:18,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:19,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:19,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:19,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773172535] [2022-09-16 10:42:19,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773172535] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:19,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:19,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:42:19,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461355495] [2022-09-16 10:42:19,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:19,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:42:19,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:19,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:42:19,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:42:19,093 INFO L87 Difference]: Start difference. First operand 502 states and 904 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:20,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:20,945 INFO L93 Difference]: Finished difference Result 696 states and 1214 transitions. [2022-09-16 10:42:20,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-09-16 10:42:20,945 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:42:20,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:20,946 INFO L225 Difference]: With dead ends: 696 [2022-09-16 10:42:20,946 INFO L226 Difference]: Without dead ends: 696 [2022-09-16 10:42:20,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 429 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=683, Invalid=2287, Unknown=0, NotChecked=0, Total=2970 [2022-09-16 10:42:20,948 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 566 mSDsluCounter, 1268 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 1383 SdHoareTripleChecker+Invalid, 931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:20,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [566 Valid, 1383 Invalid, 931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:42:20,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2022-09-16 10:42:20,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 506. [2022-09-16 10:42:20,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 503 states have (on average 1.8131212723658052) internal successors, (912), 505 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:20,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 912 transitions. [2022-09-16 10:42:20,962 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 912 transitions. Word has length 53 [2022-09-16 10:42:20,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:20,962 INFO L495 AbstractCegarLoop]: Abstraction has 506 states and 912 transitions. [2022-09-16 10:42:20,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:20,962 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 912 transitions. [2022-09-16 10:42:20,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:42:20,962 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:20,962 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:20,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-09-16 10:42:20,963 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:42:20,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:20,963 INFO L85 PathProgramCache]: Analyzing trace with hash 276278135, now seen corresponding path program 23 times [2022-09-16 10:42:20,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:20,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611002602] [2022-09-16 10:42:20,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:20,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:21,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:21,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:21,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611002602] [2022-09-16 10:42:21,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611002602] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:21,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:21,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:42:21,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684809403] [2022-09-16 10:42:21,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:21,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:42:21,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:21,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:42:21,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:42:21,279 INFO L87 Difference]: Start difference. First operand 506 states and 912 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:24,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:24,083 INFO L93 Difference]: Finished difference Result 802 states and 1398 transitions. [2022-09-16 10:42:24,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-09-16 10:42:24,084 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:42:24,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:24,085 INFO L225 Difference]: With dead ends: 802 [2022-09-16 10:42:24,085 INFO L226 Difference]: Without dead ends: 802 [2022-09-16 10:42:24,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1427 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1208, Invalid=4798, Unknown=0, NotChecked=0, Total=6006 [2022-09-16 10:42:24,085 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 603 mSDsluCounter, 1451 mSDsCounter, 0 mSdLazyCounter, 1083 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 1565 SdHoareTripleChecker+Invalid, 1122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:24,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 1565 Invalid, 1122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1083 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:42:24,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2022-09-16 10:42:24,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 510. [2022-09-16 10:42:24,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 507 states have (on average 1.8145956607495068) internal successors, (920), 509 states have internal predecessors, (920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:24,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 920 transitions. [2022-09-16 10:42:24,108 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 920 transitions. Word has length 53 [2022-09-16 10:42:24,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:24,108 INFO L495 AbstractCegarLoop]: Abstraction has 510 states and 920 transitions. [2022-09-16 10:42:24,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:24,108 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 920 transitions. [2022-09-16 10:42:24,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:42:24,109 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:24,109 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:24,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-09-16 10:42:24,109 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:42:24,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:24,110 INFO L85 PathProgramCache]: Analyzing trace with hash -754419701, now seen corresponding path program 24 times [2022-09-16 10:42:24,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:24,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019191914] [2022-09-16 10:42:24,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:24,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:24,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:24,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:24,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019191914] [2022-09-16 10:42:24,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019191914] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:24,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:24,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:42:24,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254636350] [2022-09-16 10:42:24,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:24,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:42:24,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:24,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:42:24,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:42:24,526 INFO L87 Difference]: Start difference. First operand 510 states and 920 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:28,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:28,343 INFO L93 Difference]: Finished difference Result 805 states and 1409 transitions. [2022-09-16 10:42:28,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-09-16 10:42:28,345 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:42:28,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:28,345 INFO L225 Difference]: With dead ends: 805 [2022-09-16 10:42:28,345 INFO L226 Difference]: Without dead ends: 805 [2022-09-16 10:42:28,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1568 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=1321, Invalid=4999, Unknown=0, NotChecked=0, Total=6320 [2022-09-16 10:42:28,346 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 684 mSDsluCounter, 1531 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 684 SdHoareTripleChecker+Valid, 1651 SdHoareTripleChecker+Invalid, 1075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:28,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [684 Valid, 1651 Invalid, 1075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1031 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:42:28,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2022-09-16 10:42:28,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 500. [2022-09-16 10:42:28,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 500 states, 497 states have (on average 1.8108651911468814) internal successors, (900), 499 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:28,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 900 transitions. [2022-09-16 10:42:28,351 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 900 transitions. Word has length 53 [2022-09-16 10:42:28,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:28,351 INFO L495 AbstractCegarLoop]: Abstraction has 500 states and 900 transitions. [2022-09-16 10:42:28,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:28,351 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 900 transitions. [2022-09-16 10:42:28,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:42:28,352 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:28,352 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:28,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-09-16 10:42:28,352 INFO L420 AbstractCegarLoop]: === Iteration 92 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:42:28,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:28,352 INFO L85 PathProgramCache]: Analyzing trace with hash 514037025, now seen corresponding path program 25 times [2022-09-16 10:42:28,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:28,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389937278] [2022-09-16 10:42:28,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:28,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:28,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:28,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:28,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389937278] [2022-09-16 10:42:28,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389937278] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:28,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:28,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:42:28,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308722223] [2022-09-16 10:42:28,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:28,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:42:28,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:28,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:42:28,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:42:28,740 INFO L87 Difference]: Start difference. First operand 500 states and 900 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:30,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:30,956 INFO L93 Difference]: Finished difference Result 668 states and 1176 transitions. [2022-09-16 10:42:30,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-09-16 10:42:30,956 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:42:30,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:30,957 INFO L225 Difference]: With dead ends: 668 [2022-09-16 10:42:30,957 INFO L226 Difference]: Without dead ends: 668 [2022-09-16 10:42:30,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 699 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=879, Invalid=3027, Unknown=0, NotChecked=0, Total=3906 [2022-09-16 10:42:30,957 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 548 mSDsluCounter, 1511 mSDsCounter, 0 mSdLazyCounter, 1143 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 1629 SdHoareTripleChecker+Invalid, 1175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:30,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [548 Valid, 1629 Invalid, 1175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1143 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:42:30,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2022-09-16 10:42:30,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 504. [2022-09-16 10:42:30,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 501 states have (on average 1.812375249500998) internal successors, (908), 503 states have internal predecessors, (908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:30,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 908 transitions. [2022-09-16 10:42:30,962 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 908 transitions. Word has length 53 [2022-09-16 10:42:30,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:30,962 INFO L495 AbstractCegarLoop]: Abstraction has 504 states and 908 transitions. [2022-09-16 10:42:30,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:30,962 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 908 transitions. [2022-09-16 10:42:30,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:42:30,963 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:30,963 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:30,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-09-16 10:42:30,963 INFO L420 AbstractCegarLoop]: === Iteration 93 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:42:30,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:30,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1186797529, now seen corresponding path program 26 times [2022-09-16 10:42:30,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:30,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514988489] [2022-09-16 10:42:30,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:30,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:31,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:31,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:31,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514988489] [2022-09-16 10:42:31,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514988489] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:31,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:31,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:42:31,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35341911] [2022-09-16 10:42:31,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:31,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:42:31,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:31,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:42:31,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:42:31,252 INFO L87 Difference]: Start difference. First operand 504 states and 908 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:34,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:34,233 INFO L93 Difference]: Finished difference Result 774 states and 1360 transitions. [2022-09-16 10:42:34,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-09-16 10:42:34,233 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:42:34,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:34,234 INFO L225 Difference]: With dead ends: 774 [2022-09-16 10:42:34,234 INFO L226 Difference]: Without dead ends: 774 [2022-09-16 10:42:34,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1567 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1323, Invalid=5157, Unknown=0, NotChecked=0, Total=6480 [2022-09-16 10:42:34,235 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 617 mSDsluCounter, 1406 mSDsCounter, 0 mSdLazyCounter, 1123 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 617 SdHoareTripleChecker+Valid, 1523 SdHoareTripleChecker+Invalid, 1162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:34,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [617 Valid, 1523 Invalid, 1162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1123 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:42:34,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2022-09-16 10:42:34,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 506. [2022-09-16 10:42:34,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 503 states have (on average 1.8131212723658052) internal successors, (912), 505 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:34,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 912 transitions. [2022-09-16 10:42:34,239 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 912 transitions. Word has length 53 [2022-09-16 10:42:34,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:34,240 INFO L495 AbstractCegarLoop]: Abstraction has 506 states and 912 transitions. [2022-09-16 10:42:34,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:34,240 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 912 transitions. [2022-09-16 10:42:34,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:42:34,240 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:34,240 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:34,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-09-16 10:42:34,240 INFO L420 AbstractCegarLoop]: === Iteration 94 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:42:34,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:34,241 INFO L85 PathProgramCache]: Analyzing trace with hash 156099693, now seen corresponding path program 27 times [2022-09-16 10:42:34,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:34,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697392444] [2022-09-16 10:42:34,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:34,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:34,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:34,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:34,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:34,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697392444] [2022-09-16 10:42:34,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697392444] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:34,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:34,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:42:34,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203799744] [2022-09-16 10:42:34,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:34,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:42:34,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:34,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:42:34,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:42:34,663 INFO L87 Difference]: Start difference. First operand 506 states and 912 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:37,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:37,881 INFO L93 Difference]: Finished difference Result 777 states and 1371 transitions. [2022-09-16 10:42:37,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-09-16 10:42:37,881 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:42:37,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:37,882 INFO L225 Difference]: With dead ends: 777 [2022-09-16 10:42:37,882 INFO L226 Difference]: Without dead ends: 777 [2022-09-16 10:42:37,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1699 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=1421, Invalid=5385, Unknown=0, NotChecked=0, Total=6806 [2022-09-16 10:42:37,882 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 695 mSDsluCounter, 1452 mSDsCounter, 0 mSdLazyCounter, 1107 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 695 SdHoareTripleChecker+Valid, 1575 SdHoareTripleChecker+Invalid, 1151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:37,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [695 Valid, 1575 Invalid, 1151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1107 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:42:37,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2022-09-16 10:42:37,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 492. [2022-09-16 10:42:37,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 489 states have (on average 1.8077709611451942) internal successors, (884), 491 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:37,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 884 transitions. [2022-09-16 10:42:37,887 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 884 transitions. Word has length 53 [2022-09-16 10:42:37,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:37,887 INFO L495 AbstractCegarLoop]: Abstraction has 492 states and 884 transitions. [2022-09-16 10:42:37,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:37,887 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 884 transitions. [2022-09-16 10:42:37,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:42:37,888 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:37,888 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:37,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-09-16 10:42:37,888 INFO L420 AbstractCegarLoop]: === Iteration 95 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:42:37,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:37,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1256433973, now seen corresponding path program 28 times [2022-09-16 10:42:37,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:37,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912355399] [2022-09-16 10:42:37,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:37,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:38,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:38,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:38,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912355399] [2022-09-16 10:42:38,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912355399] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:38,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:38,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:42:38,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100626158] [2022-09-16 10:42:38,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:38,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:42:38,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:38,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:42:38,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:42:38,293 INFO L87 Difference]: Start difference. First operand 492 states and 884 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:39,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:39,668 INFO L93 Difference]: Finished difference Result 591 states and 1046 transitions. [2022-09-16 10:42:39,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-09-16 10:42:39,668 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:42:39,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:39,669 INFO L225 Difference]: With dead ends: 591 [2022-09-16 10:42:39,669 INFO L226 Difference]: Without dead ends: 591 [2022-09-16 10:42:39,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 545 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=587, Invalid=2275, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:42:39,671 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 622 mSDsluCounter, 1142 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 1253 SdHoareTripleChecker+Invalid, 773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:39,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [622 Valid, 1253 Invalid, 773 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:42:39,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2022-09-16 10:42:39,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 501. [2022-09-16 10:42:39,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 498 states have (on average 1.8112449799196788) internal successors, (902), 500 states have internal predecessors, (902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:39,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 902 transitions. [2022-09-16 10:42:39,675 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 902 transitions. Word has length 53 [2022-09-16 10:42:39,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:39,675 INFO L495 AbstractCegarLoop]: Abstraction has 501 states and 902 transitions. [2022-09-16 10:42:39,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:39,675 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 902 transitions. [2022-09-16 10:42:39,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:42:39,676 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:39,676 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:39,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-09-16 10:42:39,677 INFO L420 AbstractCegarLoop]: === Iteration 96 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:42:39,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:39,677 INFO L85 PathProgramCache]: Analyzing trace with hash -583673469, now seen corresponding path program 29 times [2022-09-16 10:42:39,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:39,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946756892] [2022-09-16 10:42:39,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:39,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:40,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:40,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:40,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946756892] [2022-09-16 10:42:40,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946756892] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:40,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:40,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:42:40,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793494012] [2022-09-16 10:42:40,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:40,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:42:40,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:40,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:42:40,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:42:40,102 INFO L87 Difference]: Start difference. First operand 501 states and 902 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:41,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:41,759 INFO L93 Difference]: Finished difference Result 646 states and 1142 transitions. [2022-09-16 10:42:41,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-09-16 10:42:41,759 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:42:41,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:41,759 INFO L225 Difference]: With dead ends: 646 [2022-09-16 10:42:41,760 INFO L226 Difference]: Without dead ends: 646 [2022-09-16 10:42:41,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 517 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=619, Invalid=2351, Unknown=0, NotChecked=0, Total=2970 [2022-09-16 10:42:41,760 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 519 mSDsluCounter, 1337 mSDsCounter, 0 mSdLazyCounter, 883 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 519 SdHoareTripleChecker+Valid, 1447 SdHoareTripleChecker+Invalid, 908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:41,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [519 Valid, 1447 Invalid, 908 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 883 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:42:41,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2022-09-16 10:42:41,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 505. [2022-09-16 10:42:41,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 502 states have (on average 1.8127490039840637) internal successors, (910), 504 states have internal predecessors, (910), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:41,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 910 transitions. [2022-09-16 10:42:41,766 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 910 transitions. Word has length 53 [2022-09-16 10:42:41,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:41,766 INFO L495 AbstractCegarLoop]: Abstraction has 505 states and 910 transitions. [2022-09-16 10:42:41,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:41,766 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 910 transitions. [2022-09-16 10:42:41,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:42:41,766 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:41,767 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:41,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-09-16 10:42:41,767 INFO L420 AbstractCegarLoop]: === Iteration 97 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:42:41,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:41,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1614371305, now seen corresponding path program 30 times [2022-09-16 10:42:41,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:41,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794545224] [2022-09-16 10:42:41,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:41,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:42,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:42,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:42,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794545224] [2022-09-16 10:42:42,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794545224] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:42,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:42,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:42:42,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414075181] [2022-09-16 10:42:42,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:42,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:42:42,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:42,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:42:42,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:42:42,197 INFO L87 Difference]: Start difference. First operand 505 states and 910 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:44,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:44,096 INFO L93 Difference]: Finished difference Result 649 states and 1153 transitions. [2022-09-16 10:42:44,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-09-16 10:42:44,096 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:42:44,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:44,097 INFO L225 Difference]: With dead ends: 649 [2022-09-16 10:42:44,097 INFO L226 Difference]: Without dead ends: 649 [2022-09-16 10:42:44,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=642, Invalid=2328, Unknown=0, NotChecked=0, Total=2970 [2022-09-16 10:42:44,098 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 526 mSDsluCounter, 1342 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 1458 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:44,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 1458 Invalid, 880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 852 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:42:44,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2022-09-16 10:42:44,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 498. [2022-09-16 10:42:44,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 495 states have (on average 1.8101010101010102) internal successors, (896), 497 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:44,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 896 transitions. [2022-09-16 10:42:44,115 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 896 transitions. Word has length 53 [2022-09-16 10:42:44,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:44,116 INFO L495 AbstractCegarLoop]: Abstraction has 498 states and 896 transitions. [2022-09-16 10:42:44,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:44,116 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 896 transitions. [2022-09-16 10:42:44,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:42:44,116 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:44,116 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:44,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-09-16 10:42:44,116 INFO L420 AbstractCegarLoop]: === Iteration 98 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:42:44,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:44,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1679083117, now seen corresponding path program 31 times [2022-09-16 10:42:44,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:44,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346936763] [2022-09-16 10:42:44,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:44,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:44,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:44,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:44,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346936763] [2022-09-16 10:42:44,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346936763] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:44,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:44,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:42:44,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33048985] [2022-09-16 10:42:44,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:44,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:42:44,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:44,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:42:44,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:42:44,491 INFO L87 Difference]: Start difference. First operand 498 states and 896 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:45,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:45,843 INFO L93 Difference]: Finished difference Result 631 states and 1115 transitions. [2022-09-16 10:42:45,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:42:45,843 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:42:45,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:45,843 INFO L225 Difference]: With dead ends: 631 [2022-09-16 10:42:45,843 INFO L226 Difference]: Without dead ends: 631 [2022-09-16 10:42:45,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 466 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=520, Invalid=2132, Unknown=0, NotChecked=0, Total=2652 [2022-09-16 10:42:45,844 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 525 mSDsluCounter, 1251 mSDsCounter, 0 mSdLazyCounter, 825 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 525 SdHoareTripleChecker+Valid, 1366 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:45,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [525 Valid, 1366 Invalid, 849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 825 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:42:45,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2022-09-16 10:42:45,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 509. [2022-09-16 10:42:45,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 506 states have (on average 1.8142292490118577) internal successors, (918), 508 states have internal predecessors, (918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:45,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 918 transitions. [2022-09-16 10:42:45,849 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 918 transitions. Word has length 53 [2022-09-16 10:42:45,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:45,849 INFO L495 AbstractCegarLoop]: Abstraction has 509 states and 918 transitions. [2022-09-16 10:42:45,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:45,849 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 918 transitions. [2022-09-16 10:42:45,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:42:45,849 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:45,850 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:45,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-09-16 10:42:45,850 INFO L420 AbstractCegarLoop]: === Iteration 99 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:42:45,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:45,850 INFO L85 PathProgramCache]: Analyzing trace with hash 648385281, now seen corresponding path program 32 times [2022-09-16 10:42:45,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:45,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912861694] [2022-09-16 10:42:45,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:45,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:46,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:46,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:46,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912861694] [2022-09-16 10:42:46,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912861694] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:46,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:46,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:42:46,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035277234] [2022-09-16 10:42:46,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:46,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:42:46,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:46,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:42:46,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:42:46,178 INFO L87 Difference]: Start difference. First operand 509 states and 918 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:48,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:48,446 INFO L93 Difference]: Finished difference Result 687 states and 1222 transitions. [2022-09-16 10:42:48,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-09-16 10:42:48,446 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:42:48,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:48,447 INFO L225 Difference]: With dead ends: 687 [2022-09-16 10:42:48,447 INFO L226 Difference]: Without dead ends: 687 [2022-09-16 10:42:48,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1006 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=908, Invalid=3514, Unknown=0, NotChecked=0, Total=4422 [2022-09-16 10:42:48,448 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 602 mSDsluCounter, 1327 mSDsCounter, 0 mSdLazyCounter, 911 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 1444 SdHoareTripleChecker+Invalid, 952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:48,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 1444 Invalid, 952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 911 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:42:48,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2022-09-16 10:42:48,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 506. [2022-09-16 10:42:48,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 503 states have (on average 1.8131212723658052) internal successors, (912), 505 states have internal predecessors, (912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:48,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 912 transitions. [2022-09-16 10:42:48,453 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 912 transitions. Word has length 53 [2022-09-16 10:42:48,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:48,453 INFO L495 AbstractCegarLoop]: Abstraction has 506 states and 912 transitions. [2022-09-16 10:42:48,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:48,453 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 912 transitions. [2022-09-16 10:42:48,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:42:48,454 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:48,454 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:48,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-09-16 10:42:48,454 INFO L420 AbstractCegarLoop]: === Iteration 100 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:42:48,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:48,454 INFO L85 PathProgramCache]: Analyzing trace with hash -60785235, now seen corresponding path program 33 times [2022-09-16 10:42:48,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:48,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669098297] [2022-09-16 10:42:48,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:48,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:48,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:48,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:48,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:48,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669098297] [2022-09-16 10:42:48,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669098297] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:48,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:48,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:42:48,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461809096] [2022-09-16 10:42:48,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:48,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:42:48,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:48,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:42:48,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:42:48,748 INFO L87 Difference]: Start difference. First operand 506 states and 912 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:50,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:50,968 INFO L93 Difference]: Finished difference Result 690 states and 1232 transitions. [2022-09-16 10:42:50,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-09-16 10:42:50,969 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:42:50,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:50,969 INFO L225 Difference]: With dead ends: 690 [2022-09-16 10:42:50,969 INFO L226 Difference]: Without dead ends: 690 [2022-09-16 10:42:50,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1092 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=983, Invalid=3573, Unknown=0, NotChecked=0, Total=4556 [2022-09-16 10:42:50,970 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 692 mSDsluCounter, 1454 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 692 SdHoareTripleChecker+Valid, 1577 SdHoareTripleChecker+Invalid, 943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:50,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [692 Valid, 1577 Invalid, 943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:42:50,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2022-09-16 10:42:50,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 492. [2022-09-16 10:42:50,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 489 states have (on average 1.8077709611451942) internal successors, (884), 491 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:50,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 884 transitions. [2022-09-16 10:42:50,978 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 884 transitions. Word has length 53 [2022-09-16 10:42:50,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:50,978 INFO L495 AbstractCegarLoop]: Abstraction has 492 states and 884 transitions. [2022-09-16 10:42:50,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:50,978 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 884 transitions. [2022-09-16 10:42:50,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:42:50,980 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:50,981 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:50,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-09-16 10:42:50,981 INFO L420 AbstractCegarLoop]: === Iteration 101 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:42:50,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:50,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1686565459, now seen corresponding path program 34 times [2022-09-16 10:42:50,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:50,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819171564] [2022-09-16 10:42:50,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:50,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:51,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:51,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:51,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:51,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819171564] [2022-09-16 10:42:51,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819171564] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:51,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:51,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:42:51,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037321971] [2022-09-16 10:42:51,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:51,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:42:51,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:51,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:42:51,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:42:51,343 INFO L87 Difference]: Start difference. First operand 492 states and 884 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:52,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:52,767 INFO L93 Difference]: Finished difference Result 571 states and 1019 transitions. [2022-09-16 10:42:52,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-09-16 10:42:52,767 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:42:52,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:52,768 INFO L225 Difference]: With dead ends: 571 [2022-09-16 10:42:52,768 INFO L226 Difference]: Without dead ends: 571 [2022-09-16 10:42:52,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 516 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=574, Invalid=2288, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:42:52,768 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 572 mSDsluCounter, 1378 mSDsCounter, 0 mSdLazyCounter, 824 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 1487 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:52,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 1487 Invalid, 849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 824 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:42:52,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2022-09-16 10:42:52,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 501. [2022-09-16 10:42:52,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 498 states have (on average 1.8112449799196788) internal successors, (902), 500 states have internal predecessors, (902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:52,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 902 transitions. [2022-09-16 10:42:52,773 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 902 transitions. Word has length 53 [2022-09-16 10:42:52,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:52,773 INFO L495 AbstractCegarLoop]: Abstraction has 501 states and 902 transitions. [2022-09-16 10:42:52,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:52,773 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 902 transitions. [2022-09-16 10:42:52,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:42:52,773 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:52,773 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:52,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-09-16 10:42:52,774 INFO L420 AbstractCegarLoop]: === Iteration 102 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:42:52,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:52,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1577704001, now seen corresponding path program 35 times [2022-09-16 10:42:52,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:52,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198790288] [2022-09-16 10:42:52,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:52,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:53,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:53,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:53,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198790288] [2022-09-16 10:42:53,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198790288] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:53,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:53,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:42:53,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023137988] [2022-09-16 10:42:53,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:53,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:42:53,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:53,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:42:53,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:42:53,044 INFO L87 Difference]: Start difference. First operand 501 states and 902 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:54,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:54,752 INFO L93 Difference]: Finished difference Result 625 states and 1118 transitions. [2022-09-16 10:42:54,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-09-16 10:42:54,752 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:42:54,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:54,753 INFO L225 Difference]: With dead ends: 625 [2022-09-16 10:42:54,753 INFO L226 Difference]: Without dead ends: 625 [2022-09-16 10:42:54,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 833 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=730, Invalid=3052, Unknown=0, NotChecked=0, Total=3782 [2022-09-16 10:42:54,753 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 667 mSDsluCounter, 1573 mSDsCounter, 0 mSdLazyCounter, 946 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 667 SdHoareTripleChecker+Valid, 1688 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:54,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [667 Valid, 1688 Invalid, 987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 946 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:42:54,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2022-09-16 10:42:54,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 498. [2022-09-16 10:42:54,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 495 states have (on average 1.8101010101010102) internal successors, (896), 497 states have internal predecessors, (896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:54,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 896 transitions. [2022-09-16 10:42:54,758 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 896 transitions. Word has length 53 [2022-09-16 10:42:54,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:54,759 INFO L495 AbstractCegarLoop]: Abstraction has 498 states and 896 transitions. [2022-09-16 10:42:54,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:54,759 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 896 transitions. [2022-09-16 10:42:54,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:42:54,759 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:54,759 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:54,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-09-16 10:42:54,759 INFO L420 AbstractCegarLoop]: === Iteration 103 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:42:54,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:54,760 INFO L85 PathProgramCache]: Analyzing trace with hash 868533485, now seen corresponding path program 36 times [2022-09-16 10:42:54,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:54,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846112211] [2022-09-16 10:42:54,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:54,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:55,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:55,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:55,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846112211] [2022-09-16 10:42:55,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846112211] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:55,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:55,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:42:55,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53247994] [2022-09-16 10:42:55,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:55,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:42:55,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:55,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:42:55,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:42:55,124 INFO L87 Difference]: Start difference. First operand 498 states and 896 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:57,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:57,444 INFO L93 Difference]: Finished difference Result 726 states and 1300 transitions. [2022-09-16 10:42:57,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-09-16 10:42:57,444 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:42:57,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:57,445 INFO L225 Difference]: With dead ends: 726 [2022-09-16 10:42:57,445 INFO L226 Difference]: Without dead ends: 726 [2022-09-16 10:42:57,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 950 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=949, Invalid=3473, Unknown=0, NotChecked=0, Total=4422 [2022-09-16 10:42:57,445 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 653 mSDsluCounter, 1566 mSDsCounter, 0 mSdLazyCounter, 993 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 1694 SdHoareTripleChecker+Invalid, 1024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:57,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [653 Valid, 1694 Invalid, 1024 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 993 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:42:57,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2022-09-16 10:42:57,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 492. [2022-09-16 10:42:57,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 489 states have (on average 1.8077709611451942) internal successors, (884), 491 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:57,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 884 transitions. [2022-09-16 10:42:57,452 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 884 transitions. Word has length 53 [2022-09-16 10:42:57,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:57,452 INFO L495 AbstractCegarLoop]: Abstraction has 492 states and 884 transitions. [2022-09-16 10:42:57,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:57,453 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 884 transitions. [2022-09-16 10:42:57,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:42:57,453 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:57,453 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:57,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-09-16 10:42:57,453 INFO L420 AbstractCegarLoop]: === Iteration 104 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:42:57,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:57,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1652987923, now seen corresponding path program 37 times [2022-09-16 10:42:57,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:57,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294672802] [2022-09-16 10:42:57,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:57,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:57,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:57,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:57,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294672802] [2022-09-16 10:42:57,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294672802] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:57,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:57,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:42:57,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731773539] [2022-09-16 10:42:57,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:57,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:42:57,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:57,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:42:57,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:42:57,722 INFO L87 Difference]: Start difference. First operand 492 states and 884 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:00,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:00,030 INFO L93 Difference]: Finished difference Result 696 states and 1246 transitions. [2022-09-16 10:43:00,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-09-16 10:43:00,031 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:43:00,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:00,031 INFO L225 Difference]: With dead ends: 696 [2022-09-16 10:43:00,031 INFO L226 Difference]: Without dead ends: 696 [2022-09-16 10:43:00,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1075 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1020, Invalid=3672, Unknown=0, NotChecked=0, Total=4692 [2022-09-16 10:43:00,032 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 657 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 978 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 1658 SdHoareTripleChecker+Invalid, 1008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:00,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [657 Valid, 1658 Invalid, 1008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 978 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:43:00,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2022-09-16 10:43:00,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 492. [2022-09-16 10:43:00,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 489 states have (on average 1.8077709611451942) internal successors, (884), 491 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:00,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 884 transitions. [2022-09-16 10:43:00,036 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 884 transitions. Word has length 53 [2022-09-16 10:43:00,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:00,036 INFO L495 AbstractCegarLoop]: Abstraction has 492 states and 884 transitions. [2022-09-16 10:43:00,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:00,037 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 884 transitions. [2022-09-16 10:43:00,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:43:00,037 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:00,037 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:00,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-09-16 10:43:00,037 INFO L420 AbstractCegarLoop]: === Iteration 105 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:00,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:00,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1923414969, now seen corresponding path program 38 times [2022-09-16 10:43:00,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:00,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889962985] [2022-09-16 10:43:00,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:00,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:00,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:00,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:00,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889962985] [2022-09-16 10:43:00,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889962985] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:00,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:00,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:43:00,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078271929] [2022-09-16 10:43:00,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:00,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:43:00,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:00,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:43:00,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:43:00,440 INFO L87 Difference]: Start difference. First operand 492 states and 884 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:01,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:01,994 INFO L93 Difference]: Finished difference Result 623 states and 1092 transitions. [2022-09-16 10:43:01,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-09-16 10:43:01,994 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:43:01,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:01,995 INFO L225 Difference]: With dead ends: 623 [2022-09-16 10:43:01,995 INFO L226 Difference]: Without dead ends: 623 [2022-09-16 10:43:01,996 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 518 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=586, Invalid=2276, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:43:01,996 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 601 mSDsluCounter, 1431 mSDsCounter, 0 mSdLazyCounter, 933 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 601 SdHoareTripleChecker+Valid, 1546 SdHoareTripleChecker+Invalid, 968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:01,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [601 Valid, 1546 Invalid, 968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 933 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:43:01,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2022-09-16 10:43:01,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 495. [2022-09-16 10:43:01,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 492 states have (on average 1.8089430894308942) internal successors, (890), 494 states have internal predecessors, (890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:02,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 890 transitions. [2022-09-16 10:43:02,000 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 890 transitions. Word has length 53 [2022-09-16 10:43:02,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:02,000 INFO L495 AbstractCegarLoop]: Abstraction has 495 states and 890 transitions. [2022-09-16 10:43:02,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:02,000 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 890 transitions. [2022-09-16 10:43:02,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:43:02,001 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:02,001 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:02,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-09-16 10:43:02,001 INFO L420 AbstractCegarLoop]: === Iteration 106 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:02,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:02,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1698791823, now seen corresponding path program 39 times [2022-09-16 10:43:02,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:02,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303901257] [2022-09-16 10:43:02,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:02,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:02,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:02,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:02,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303901257] [2022-09-16 10:43:02,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303901257] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:02,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:02,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:43:02,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446269349] [2022-09-16 10:43:02,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:02,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:43:02,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:02,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:43:02,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:43:02,302 INFO L87 Difference]: Start difference. First operand 495 states and 890 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:04,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:04,252 INFO L93 Difference]: Finished difference Result 678 states and 1188 transitions. [2022-09-16 10:43:04,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-09-16 10:43:04,253 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:43:04,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:04,253 INFO L225 Difference]: With dead ends: 678 [2022-09-16 10:43:04,253 INFO L226 Difference]: Without dead ends: 678 [2022-09-16 10:43:04,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 689 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=714, Invalid=2826, Unknown=0, NotChecked=0, Total=3540 [2022-09-16 10:43:04,254 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 566 mSDsluCounter, 1378 mSDsCounter, 0 mSdLazyCounter, 936 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 1492 SdHoareTripleChecker+Invalid, 972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 936 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:04,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [566 Valid, 1492 Invalid, 972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 936 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:43:04,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 678 states. [2022-09-16 10:43:04,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 678 to 499. [2022-09-16 10:43:04,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 496 states have (on average 1.810483870967742) internal successors, (898), 498 states have internal predecessors, (898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:04,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 898 transitions. [2022-09-16 10:43:04,258 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 898 transitions. Word has length 53 [2022-09-16 10:43:04,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:04,259 INFO L495 AbstractCegarLoop]: Abstraction has 499 states and 898 transitions. [2022-09-16 10:43:04,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:04,259 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 898 transitions. [2022-09-16 10:43:04,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:43:04,259 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:04,259 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:04,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-09-16 10:43:04,259 INFO L420 AbstractCegarLoop]: === Iteration 107 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:04,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:04,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1565477637, now seen corresponding path program 40 times [2022-09-16 10:43:04,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:04,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393227741] [2022-09-16 10:43:04,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:04,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:04,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:04,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:04,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393227741] [2022-09-16 10:43:04,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393227741] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:04,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:04,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:43:04,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070594476] [2022-09-16 10:43:04,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:04,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:43:04,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:04,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:43:04,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:43:04,551 INFO L87 Difference]: Start difference. First operand 499 states and 898 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:06,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:06,473 INFO L93 Difference]: Finished difference Result 681 states and 1199 transitions. [2022-09-16 10:43:06,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-09-16 10:43:06,473 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:43:06,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:06,474 INFO L225 Difference]: With dead ends: 681 [2022-09-16 10:43:06,474 INFO L226 Difference]: Without dead ends: 681 [2022-09-16 10:43:06,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 757 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=769, Invalid=2891, Unknown=0, NotChecked=0, Total=3660 [2022-09-16 10:43:06,476 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 707 mSDsluCounter, 1335 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 707 SdHoareTripleChecker+Valid, 1455 SdHoareTripleChecker+Invalid, 926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:06,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [707 Valid, 1455 Invalid, 926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 881 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:43:06,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2022-09-16 10:43:06,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 492. [2022-09-16 10:43:06,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 489 states have (on average 1.8077709611451942) internal successors, (884), 491 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:06,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 884 transitions. [2022-09-16 10:43:06,482 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 884 transitions. Word has length 53 [2022-09-16 10:43:06,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:06,482 INFO L495 AbstractCegarLoop]: Abstraction has 492 states and 884 transitions. [2022-09-16 10:43:06,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:06,482 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 884 transitions. [2022-09-16 10:43:06,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:43:06,483 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:06,483 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:06,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-09-16 10:43:06,483 INFO L420 AbstractCegarLoop]: === Iteration 108 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:06,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:06,483 INFO L85 PathProgramCache]: Analyzing trace with hash 563964763, now seen corresponding path program 41 times [2022-09-16 10:43:06,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:06,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595109854] [2022-09-16 10:43:06,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:06,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:06,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:06,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:06,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595109854] [2022-09-16 10:43:06,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595109854] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:06,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:06,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:43:06,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368054776] [2022-09-16 10:43:06,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:06,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:43:06,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:06,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:43:06,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:43:06,774 INFO L87 Difference]: Start difference. First operand 492 states and 884 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:08,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:08,328 INFO L93 Difference]: Finished difference Result 625 states and 1101 transitions. [2022-09-16 10:43:08,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-09-16 10:43:08,329 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:43:08,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:08,329 INFO L225 Difference]: With dead ends: 625 [2022-09-16 10:43:08,329 INFO L226 Difference]: Without dead ends: 625 [2022-09-16 10:43:08,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 613 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=603, Invalid=2589, Unknown=0, NotChecked=0, Total=3192 [2022-09-16 10:43:08,330 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 562 mSDsluCounter, 1499 mSDsCounter, 0 mSdLazyCounter, 999 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 1618 SdHoareTripleChecker+Invalid, 1033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:08,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [562 Valid, 1618 Invalid, 1033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 999 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:43:08,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2022-09-16 10:43:08,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 495. [2022-09-16 10:43:08,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 495 states, 492 states have (on average 1.8089430894308942) internal successors, (890), 494 states have internal predecessors, (890), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:08,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 890 transitions. [2022-09-16 10:43:08,334 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 890 transitions. Word has length 53 [2022-09-16 10:43:08,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:08,334 INFO L495 AbstractCegarLoop]: Abstraction has 495 states and 890 transitions. [2022-09-16 10:43:08,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:08,334 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 890 transitions. [2022-09-16 10:43:08,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:43:08,335 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:08,335 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:08,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2022-09-16 10:43:08,335 INFO L420 AbstractCegarLoop]: === Iteration 109 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:08,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:08,335 INFO L85 PathProgramCache]: Analyzing trace with hash -466733073, now seen corresponding path program 42 times [2022-09-16 10:43:08,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:08,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036492780] [2022-09-16 10:43:08,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:08,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:08,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:08,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:08,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036492780] [2022-09-16 10:43:08,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036492780] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:08,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:08,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:43:08,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742793244] [2022-09-16 10:43:08,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:08,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:43:08,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:08,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:43:08,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:43:08,708 INFO L87 Difference]: Start difference. First operand 495 states and 890 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:10,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:10,995 INFO L93 Difference]: Finished difference Result 699 states and 1232 transitions. [2022-09-16 10:43:11,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-09-16 10:43:11,000 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:43:11,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:11,001 INFO L225 Difference]: With dead ends: 699 [2022-09-16 10:43:11,001 INFO L226 Difference]: Without dead ends: 699 [2022-09-16 10:43:11,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 970 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=907, Invalid=3515, Unknown=0, NotChecked=0, Total=4422 [2022-09-16 10:43:11,001 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 642 mSDsluCounter, 1406 mSDsCounter, 0 mSdLazyCounter, 938 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 642 SdHoareTripleChecker+Valid, 1527 SdHoareTripleChecker+Invalid, 981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 938 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:11,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [642 Valid, 1527 Invalid, 981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 938 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:43:11,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2022-09-16 10:43:11,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 492. [2022-09-16 10:43:11,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 489 states have (on average 1.8077709611451942) internal successors, (884), 491 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:11,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 884 transitions. [2022-09-16 10:43:11,006 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 884 transitions. Word has length 53 [2022-09-16 10:43:11,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:11,006 INFO L495 AbstractCegarLoop]: Abstraction has 492 states and 884 transitions. [2022-09-16 10:43:11,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:11,006 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 884 transitions. [2022-09-16 10:43:11,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:43:11,006 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:11,006 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:11,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2022-09-16 10:43:11,006 INFO L420 AbstractCegarLoop]: === Iteration 110 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:11,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:11,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1175903589, now seen corresponding path program 43 times [2022-09-16 10:43:11,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:11,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652793671] [2022-09-16 10:43:11,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:11,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:11,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:11,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:11,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652793671] [2022-09-16 10:43:11,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652793671] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:11,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:11,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:43:11,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202985868] [2022-09-16 10:43:11,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:11,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:43:11,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:11,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:43:11,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:43:11,277 INFO L87 Difference]: Start difference. First operand 492 states and 884 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:13,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:13,491 INFO L93 Difference]: Finished difference Result 700 states and 1230 transitions. [2022-09-16 10:43:13,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-09-16 10:43:13,491 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:43:13,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:13,492 INFO L225 Difference]: With dead ends: 700 [2022-09-16 10:43:13,492 INFO L226 Difference]: Without dead ends: 700 [2022-09-16 10:43:13,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 794 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=832, Invalid=3074, Unknown=0, NotChecked=0, Total=3906 [2022-09-16 10:43:13,492 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 609 mSDsluCounter, 1568 mSDsCounter, 0 mSdLazyCounter, 978 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 1695 SdHoareTripleChecker+Invalid, 1007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:13,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 1695 Invalid, 1007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 978 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:43:13,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2022-09-16 10:43:13,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 456. [2022-09-16 10:43:13,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 453 states have (on average 1.7969094922737308) internal successors, (814), 455 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:13,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 814 transitions. [2022-09-16 10:43:13,496 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 814 transitions. Word has length 53 [2022-09-16 10:43:13,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:13,497 INFO L495 AbstractCegarLoop]: Abstraction has 456 states and 814 transitions. [2022-09-16 10:43:13,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:13,497 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 814 transitions. [2022-09-16 10:43:13,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:43:13,497 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:13,497 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:13,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2022-09-16 10:43:13,497 INFO L420 AbstractCegarLoop]: === Iteration 111 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:13,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:13,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1661189287, now seen corresponding path program 44 times [2022-09-16 10:43:13,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:13,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437815133] [2022-09-16 10:43:13,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:13,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:13,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:13,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:13,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437815133] [2022-09-16 10:43:13,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437815133] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:13,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:13,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:43:13,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474411131] [2022-09-16 10:43:13,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:13,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:43:13,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:13,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:43:13,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:43:13,863 INFO L87 Difference]: Start difference. First operand 456 states and 814 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:15,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:15,965 INFO L93 Difference]: Finished difference Result 582 states and 1012 transitions. [2022-09-16 10:43:15,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-09-16 10:43:15,965 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:43:15,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:15,966 INFO L225 Difference]: With dead ends: 582 [2022-09-16 10:43:15,966 INFO L226 Difference]: Without dead ends: 582 [2022-09-16 10:43:15,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 655 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=782, Invalid=2758, Unknown=0, NotChecked=0, Total=3540 [2022-09-16 10:43:15,966 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 638 mSDsluCounter, 1246 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 638 SdHoareTripleChecker+Valid, 1361 SdHoareTripleChecker+Invalid, 922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:15,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [638 Valid, 1361 Invalid, 922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:43:15,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2022-09-16 10:43:15,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 456. [2022-09-16 10:43:15,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 453 states have (on average 1.7969094922737308) internal successors, (814), 455 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:15,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 814 transitions. [2022-09-16 10:43:15,970 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 814 transitions. Word has length 53 [2022-09-16 10:43:15,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:15,971 INFO L495 AbstractCegarLoop]: Abstraction has 456 states and 814 transitions. [2022-09-16 10:43:15,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:15,971 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 814 transitions. [2022-09-16 10:43:15,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:43:15,971 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:15,971 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:15,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2022-09-16 10:43:15,971 INFO L420 AbstractCegarLoop]: === Iteration 112 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:15,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:15,972 INFO L85 PathProgramCache]: Analyzing trace with hash -988428783, now seen corresponding path program 45 times [2022-09-16 10:43:15,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:15,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526863754] [2022-09-16 10:43:15,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:15,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:16,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:16,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:16,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526863754] [2022-09-16 10:43:16,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526863754] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:16,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:16,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:43:16,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985878285] [2022-09-16 10:43:16,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:16,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:43:16,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:16,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:43:16,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:43:16,241 INFO L87 Difference]: Start difference. First operand 456 states and 814 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:19,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:19,491 INFO L93 Difference]: Finished difference Result 684 states and 1190 transitions. [2022-09-16 10:43:19,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-09-16 10:43:19,491 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:43:19,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:19,492 INFO L225 Difference]: With dead ends: 684 [2022-09-16 10:43:19,492 INFO L226 Difference]: Without dead ends: 684 [2022-09-16 10:43:19,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1002 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=1016, Invalid=3814, Unknown=0, NotChecked=0, Total=4830 [2022-09-16 10:43:19,492 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 569 mSDsluCounter, 1519 mSDsCounter, 0 mSdLazyCounter, 1085 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 1633 SdHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:19,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 1633 Invalid, 1112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1085 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:43:19,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2022-09-16 10:43:19,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 448. [2022-09-16 10:43:19,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 445 states have (on average 1.806741573033708) internal successors, (804), 447 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:19,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 804 transitions. [2022-09-16 10:43:19,496 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 804 transitions. Word has length 53 [2022-09-16 10:43:19,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:19,497 INFO L495 AbstractCegarLoop]: Abstraction has 448 states and 804 transitions. [2022-09-16 10:43:19,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:19,497 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 804 transitions. [2022-09-16 10:43:19,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-09-16 10:43:19,497 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:19,497 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:19,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2022-09-16 10:43:19,497 INFO L420 AbstractCegarLoop]: === Iteration 113 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:19,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:19,497 INFO L85 PathProgramCache]: Analyzing trace with hash -2019126619, now seen corresponding path program 46 times [2022-09-16 10:43:19,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:19,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245498037] [2022-09-16 10:43:19,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:19,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:19,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:19,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:19,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245498037] [2022-09-16 10:43:19,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245498037] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:19,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:19,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:43:19,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584280951] [2022-09-16 10:43:19,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:19,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:43:19,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:19,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:43:19,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:43:19,830 INFO L87 Difference]: Start difference. First operand 448 states and 804 transitions. Second operand has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:23,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:23,225 INFO L93 Difference]: Finished difference Result 629 states and 1093 transitions. [2022-09-16 10:43:23,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-09-16 10:43:23,225 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-09-16 10:43:23,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:23,226 INFO L225 Difference]: With dead ends: 629 [2022-09-16 10:43:23,226 INFO L226 Difference]: Without dead ends: 629 [2022-09-16 10:43:23,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1078 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=1081, Invalid=3889, Unknown=0, NotChecked=0, Total=4970 [2022-09-16 10:43:23,227 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 606 mSDsluCounter, 1342 mSDsCounter, 0 mSdLazyCounter, 932 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 1461 SdHoareTripleChecker+Invalid, 962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:23,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [606 Valid, 1461 Invalid, 962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 932 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:43:23,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2022-09-16 10:43:23,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 376. [2022-09-16 10:43:23,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 374 states have (on average 1.7914438502673797) internal successors, (670), 375 states have internal predecessors, (670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:23,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 670 transitions. [2022-09-16 10:43:23,232 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 670 transitions. Word has length 53 [2022-09-16 10:43:23,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:23,232 INFO L495 AbstractCegarLoop]: Abstraction has 376 states and 670 transitions. [2022-09-16 10:43:23,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 2.409090909090909) internal successors, (53), 23 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:23,233 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 670 transitions. [2022-09-16 10:43:23,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:23,233 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:23,233 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:23,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2022-09-16 10:43:23,233 INFO L420 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:23,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:23,233 INFO L85 PathProgramCache]: Analyzing trace with hash 62919404, now seen corresponding path program 1 times [2022-09-16 10:43:23,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:23,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730090860] [2022-09-16 10:43:23,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:23,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:23,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:23,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:23,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730090860] [2022-09-16 10:43:23,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730090860] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:23,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:23,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:23,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752425881] [2022-09-16 10:43:23,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:23,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:23,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:23,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:23,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:23,474 INFO L87 Difference]: Start difference. First operand 376 states and 670 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:24,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:24,221 INFO L93 Difference]: Finished difference Result 549 states and 955 transitions. [2022-09-16 10:43:24,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:24,221 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:24,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:24,222 INFO L225 Difference]: With dead ends: 549 [2022-09-16 10:43:24,222 INFO L226 Difference]: Without dead ends: 516 [2022-09-16 10:43:24,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=170, Invalid=480, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:43:24,223 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 304 mSDsluCounter, 1145 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 1297 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:24,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 1297 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:43:24,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2022-09-16 10:43:24,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 395. [2022-09-16 10:43:24,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 393 states have (on average 1.786259541984733) internal successors, (702), 394 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:24,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 702 transitions. [2022-09-16 10:43:24,227 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 702 transitions. Word has length 54 [2022-09-16 10:43:24,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:24,227 INFO L495 AbstractCegarLoop]: Abstraction has 395 states and 702 transitions. [2022-09-16 10:43:24,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:24,228 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 702 transitions. [2022-09-16 10:43:24,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:24,228 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:24,228 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:24,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2022-09-16 10:43:24,228 INFO L420 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:24,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:24,229 INFO L85 PathProgramCache]: Analyzing trace with hash 712696408, now seen corresponding path program 2 times [2022-09-16 10:43:24,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:24,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399579164] [2022-09-16 10:43:24,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:24,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:24,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:24,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:24,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399579164] [2022-09-16 10:43:24,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399579164] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:24,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:24,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:24,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645026578] [2022-09-16 10:43:24,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:24,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:24,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:24,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:24,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:24,452 INFO L87 Difference]: Start difference. First operand 395 states and 702 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:25,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:25,282 INFO L93 Difference]: Finished difference Result 583 states and 1007 transitions. [2022-09-16 10:43:25,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:43:25,282 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:25,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:25,283 INFO L225 Difference]: With dead ends: 583 [2022-09-16 10:43:25,283 INFO L226 Difference]: Without dead ends: 549 [2022-09-16 10:43:25,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=187, Invalid=515, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:43:25,284 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 322 mSDsluCounter, 1243 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 1394 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:25,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 1394 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:43:25,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2022-09-16 10:43:25,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 396. [2022-09-16 10:43:25,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 394 states have (on average 1.784263959390863) internal successors, (703), 395 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:25,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 703 transitions. [2022-09-16 10:43:25,289 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 703 transitions. Word has length 54 [2022-09-16 10:43:25,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:25,289 INFO L495 AbstractCegarLoop]: Abstraction has 396 states and 703 transitions. [2022-09-16 10:43:25,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:25,289 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 703 transitions. [2022-09-16 10:43:25,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:25,290 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:25,290 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:25,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2022-09-16 10:43:25,290 INFO L420 AbstractCegarLoop]: === Iteration 116 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:25,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:25,290 INFO L85 PathProgramCache]: Analyzing trace with hash 1496517916, now seen corresponding path program 3 times [2022-09-16 10:43:25,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:25,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317747850] [2022-09-16 10:43:25,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:25,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:25,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:25,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:25,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317747850] [2022-09-16 10:43:25,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317747850] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:25,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:25,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:25,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606294805] [2022-09-16 10:43:25,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:25,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:25,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:25,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:25,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:25,536 INFO L87 Difference]: Start difference. First operand 396 states and 703 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:26,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:26,287 INFO L93 Difference]: Finished difference Result 545 states and 945 transitions. [2022-09-16 10:43:26,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:26,287 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:26,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:26,288 INFO L225 Difference]: With dead ends: 545 [2022-09-16 10:43:26,288 INFO L226 Difference]: Without dead ends: 511 [2022-09-16 10:43:26,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=163, Invalid=487, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:43:26,288 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 267 mSDsluCounter, 1142 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 1294 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:26,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 1294 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:43:26,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2022-09-16 10:43:26,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 390. [2022-09-16 10:43:26,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 388 states have (on average 1.7809278350515463) internal successors, (691), 389 states have internal predecessors, (691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:26,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 691 transitions. [2022-09-16 10:43:26,293 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 691 transitions. Word has length 54 [2022-09-16 10:43:26,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:26,293 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 691 transitions. [2022-09-16 10:43:26,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:26,293 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 691 transitions. [2022-09-16 10:43:26,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:26,294 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:26,294 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:26,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2022-09-16 10:43:26,294 INFO L420 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:26,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:26,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1589414418, now seen corresponding path program 4 times [2022-09-16 10:43:26,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:26,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700566081] [2022-09-16 10:43:26,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:26,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:26,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:26,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:26,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700566081] [2022-09-16 10:43:26,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700566081] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:26,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:26,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:26,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195547558] [2022-09-16 10:43:26,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:26,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:26,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:26,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:26,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:26,518 INFO L87 Difference]: Start difference. First operand 390 states and 691 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:27,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:27,390 INFO L93 Difference]: Finished difference Result 601 states and 1039 transitions. [2022-09-16 10:43:27,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 10:43:27,390 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:27,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:27,391 INFO L225 Difference]: With dead ends: 601 [2022-09-16 10:43:27,391 INFO L226 Difference]: Without dead ends: 553 [2022-09-16 10:43:27,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=201, Invalid=555, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:43:27,392 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 286 mSDsluCounter, 1355 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 1506 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:27,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 1506 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:43:27,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2022-09-16 10:43:27,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 392. [2022-09-16 10:43:27,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 390 states have (on average 1.7769230769230768) internal successors, (693), 391 states have internal predecessors, (693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:27,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 693 transitions. [2022-09-16 10:43:27,397 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 693 transitions. Word has length 54 [2022-09-16 10:43:27,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:27,397 INFO L495 AbstractCegarLoop]: Abstraction has 392 states and 693 transitions. [2022-09-16 10:43:27,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:27,397 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 693 transitions. [2022-09-16 10:43:27,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:27,397 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:27,397 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:27,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2022-09-16 10:43:27,398 INFO L420 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:27,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:27,398 INFO L85 PathProgramCache]: Analyzing trace with hash 358063980, now seen corresponding path program 5 times [2022-09-16 10:43:27,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:27,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958042016] [2022-09-16 10:43:27,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:27,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:27,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:27,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:27,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958042016] [2022-09-16 10:43:27,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958042016] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:27,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:27,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:27,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808220263] [2022-09-16 10:43:27,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:27,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:27,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:27,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:27,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:27,635 INFO L87 Difference]: Start difference. First operand 392 states and 693 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:28,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:28,445 INFO L93 Difference]: Finished difference Result 580 states and 998 transitions. [2022-09-16 10:43:28,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:43:28,445 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:28,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:28,446 INFO L225 Difference]: With dead ends: 580 [2022-09-16 10:43:28,446 INFO L226 Difference]: Without dead ends: 546 [2022-09-16 10:43:28,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=178, Invalid=524, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:43:28,447 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 269 mSDsluCounter, 1236 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 1385 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:28,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 1385 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:43:28,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2022-09-16 10:43:28,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 393. [2022-09-16 10:43:28,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 391 states have (on average 1.774936061381074) internal successors, (694), 392 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:28,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 694 transitions. [2022-09-16 10:43:28,452 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 694 transitions. Word has length 54 [2022-09-16 10:43:28,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:28,452 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 694 transitions. [2022-09-16 10:43:28,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:28,452 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 694 transitions. [2022-09-16 10:43:28,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:28,453 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:28,453 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:28,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2022-09-16 10:43:28,453 INFO L420 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:28,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:28,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1141885488, now seen corresponding path program 6 times [2022-09-16 10:43:28,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:28,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721422317] [2022-09-16 10:43:28,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:28,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:28,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:28,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:28,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721422317] [2022-09-16 10:43:28,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721422317] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:28,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:28,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:28,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370721989] [2022-09-16 10:43:28,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:28,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:28,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:28,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:28,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:28,701 INFO L87 Difference]: Start difference. First operand 393 states and 694 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:29,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:29,408 INFO L93 Difference]: Finished difference Result 542 states and 936 transitions. [2022-09-16 10:43:29,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:29,409 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:29,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:29,410 INFO L225 Difference]: With dead ends: 542 [2022-09-16 10:43:29,410 INFO L226 Difference]: Without dead ends: 501 [2022-09-16 10:43:29,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:43:29,410 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 239 mSDsluCounter, 1112 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 1257 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:29,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 1257 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:43:29,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2022-09-16 10:43:29,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 380. [2022-09-16 10:43:29,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 378 states have (on average 1.7698412698412698) internal successors, (669), 379 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:29,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 669 transitions. [2022-09-16 10:43:29,415 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 669 transitions. Word has length 54 [2022-09-16 10:43:29,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:29,415 INFO L495 AbstractCegarLoop]: Abstraction has 380 states and 669 transitions. [2022-09-16 10:43:29,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:29,415 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 669 transitions. [2022-09-16 10:43:29,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:29,416 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:29,416 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:29,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2022-09-16 10:43:29,416 INFO L420 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:29,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:29,416 INFO L85 PathProgramCache]: Analyzing trace with hash 950161498, now seen corresponding path program 7 times [2022-09-16 10:43:29,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:29,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940084991] [2022-09-16 10:43:29,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:29,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:29,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:29,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:29,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940084991] [2022-09-16 10:43:29,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940084991] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:29,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:29,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:29,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413349347] [2022-09-16 10:43:29,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:29,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:29,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:29,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:29,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:29,634 INFO L87 Difference]: Start difference. First operand 380 states and 669 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:30,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:30,475 INFO L93 Difference]: Finished difference Result 478 states and 831 transitions. [2022-09-16 10:43:30,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 10:43:30,476 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:30,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:30,476 INFO L225 Difference]: With dead ends: 478 [2022-09-16 10:43:30,476 INFO L226 Difference]: Without dead ends: 430 [2022-09-16 10:43:30,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=193, Invalid=563, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:43:30,477 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 240 mSDsluCounter, 1167 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 1317 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:30,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 1317 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:43:30,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2022-09-16 10:43:30,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 382. [2022-09-16 10:43:30,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 380 states have (on average 1.7657894736842106) internal successors, (671), 381 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:30,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 671 transitions. [2022-09-16 10:43:30,481 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 671 transitions. Word has length 54 [2022-09-16 10:43:30,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:30,481 INFO L495 AbstractCegarLoop]: Abstraction has 382 states and 671 transitions. [2022-09-16 10:43:30,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:30,481 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 671 transitions. [2022-09-16 10:43:30,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:30,481 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:30,482 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:30,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2022-09-16 10:43:30,482 INFO L420 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:30,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:30,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1531404710, now seen corresponding path program 8 times [2022-09-16 10:43:30,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:30,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650969963] [2022-09-16 10:43:30,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:30,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:30,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:30,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:30,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650969963] [2022-09-16 10:43:30,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650969963] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:30,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:30,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:30,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344118951] [2022-09-16 10:43:30,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:30,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:30,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:30,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:30,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:30,705 INFO L87 Difference]: Start difference. First operand 382 states and 671 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:31,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:31,398 INFO L93 Difference]: Finished difference Result 457 states and 790 transitions. [2022-09-16 10:43:31,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:43:31,399 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:31,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:31,399 INFO L225 Difference]: With dead ends: 457 [2022-09-16 10:43:31,399 INFO L226 Difference]: Without dead ends: 423 [2022-09-16 10:43:31,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=171, Invalid=531, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:43:31,400 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 218 mSDsluCounter, 1231 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 1377 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:31,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 1377 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:43:31,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2022-09-16 10:43:31,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 383. [2022-09-16 10:43:31,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 381 states have (on average 1.763779527559055) internal successors, (672), 382 states have internal predecessors, (672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:31,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 672 transitions. [2022-09-16 10:43:31,404 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 672 transitions. Word has length 54 [2022-09-16 10:43:31,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:31,405 INFO L495 AbstractCegarLoop]: Abstraction has 383 states and 672 transitions. [2022-09-16 10:43:31,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:31,405 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 672 transitions. [2022-09-16 10:43:31,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:31,406 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:31,406 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:31,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2022-09-16 10:43:31,406 INFO L420 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:31,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:31,406 INFO L85 PathProgramCache]: Analyzing trace with hash -747583202, now seen corresponding path program 9 times [2022-09-16 10:43:31,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:31,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369653179] [2022-09-16 10:43:31,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:31,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:31,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:31,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:31,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369653179] [2022-09-16 10:43:31,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369653179] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:31,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:31,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:31,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41738883] [2022-09-16 10:43:31,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:31,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:31,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:31,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:31,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:31,624 INFO L87 Difference]: Start difference. First operand 383 states and 672 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:32,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:32,042 INFO L93 Difference]: Finished difference Result 419 states and 728 transitions. [2022-09-16 10:43:32,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:32,042 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:32,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:32,042 INFO L225 Difference]: With dead ends: 419 [2022-09-16 10:43:32,042 INFO L226 Difference]: Without dead ends: 388 [2022-09-16 10:43:32,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:43:32,043 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 191 mSDsluCounter, 1119 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 1263 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:32,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 1263 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:32,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2022-09-16 10:43:32,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 380. [2022-09-16 10:43:32,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 378 states have (on average 1.7671957671957672) internal successors, (668), 379 states have internal predecessors, (668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:32,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 668 transitions. [2022-09-16 10:43:32,046 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 668 transitions. Word has length 54 [2022-09-16 10:43:32,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:32,046 INFO L495 AbstractCegarLoop]: Abstraction has 380 states and 668 transitions. [2022-09-16 10:43:32,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:32,046 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 668 transitions. [2022-09-16 10:43:32,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:32,046 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:32,047 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:32,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2022-09-16 10:43:32,047 INFO L420 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:32,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:32,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1426327670, now seen corresponding path program 10 times [2022-09-16 10:43:32,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:32,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210481168] [2022-09-16 10:43:32,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:32,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:32,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:32,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:32,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210481168] [2022-09-16 10:43:32,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210481168] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:32,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:32,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:32,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472194646] [2022-09-16 10:43:32,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:32,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:32,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:32,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:32,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:32,281 INFO L87 Difference]: Start difference. First operand 380 states and 668 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:32,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:32,828 INFO L93 Difference]: Finished difference Result 428 states and 748 transitions. [2022-09-16 10:43:32,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-09-16 10:43:32,829 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:32,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:32,829 INFO L225 Difference]: With dead ends: 428 [2022-09-16 10:43:32,829 INFO L226 Difference]: Without dead ends: 328 [2022-09-16 10:43:32,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=218, Invalid=594, Unknown=0, NotChecked=0, Total=812 [2022-09-16 10:43:32,829 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 250 mSDsluCounter, 1088 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 1242 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:32,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 1242 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:32,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2022-09-16 10:43:32,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328. [2022-09-16 10:43:32,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 326 states have (on average 1.7484662576687116) internal successors, (570), 327 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:32,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 570 transitions. [2022-09-16 10:43:32,832 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 570 transitions. Word has length 54 [2022-09-16 10:43:32,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:32,832 INFO L495 AbstractCegarLoop]: Abstraction has 328 states and 570 transitions. [2022-09-16 10:43:32,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:32,832 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 570 transitions. [2022-09-16 10:43:32,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:32,833 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:32,833 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:32,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2022-09-16 10:43:32,833 INFO L420 AbstractCegarLoop]: === Iteration 124 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:32,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:32,833 INFO L85 PathProgramCache]: Analyzing trace with hash -682415885, now seen corresponding path program 1 times [2022-09-16 10:43:32,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:32,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424610903] [2022-09-16 10:43:32,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:32,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:32,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:32,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:32,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:32,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424610903] [2022-09-16 10:43:32,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424610903] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:32,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:32,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:32,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546401661] [2022-09-16 10:43:32,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:32,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:32,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:32,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:32,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:32,985 INFO L87 Difference]: Start difference. First operand 328 states and 570 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:33,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:33,410 INFO L93 Difference]: Finished difference Result 385 states and 661 transitions. [2022-09-16 10:43:33,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:33,410 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:33,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:33,411 INFO L225 Difference]: With dead ends: 385 [2022-09-16 10:43:33,411 INFO L226 Difference]: Without dead ends: 320 [2022-09-16 10:43:33,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=170, Invalid=480, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:43:33,411 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 293 mSDsluCounter, 1055 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 1191 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:33,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 1191 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:33,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2022-09-16 10:43:33,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2022-09-16 10:43:33,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 318 states have (on average 1.7547169811320755) internal successors, (558), 319 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:33,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 558 transitions. [2022-09-16 10:43:33,414 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 558 transitions. Word has length 54 [2022-09-16 10:43:33,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:33,414 INFO L495 AbstractCegarLoop]: Abstraction has 320 states and 558 transitions. [2022-09-16 10:43:33,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:33,414 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 558 transitions. [2022-09-16 10:43:33,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:33,414 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:33,414 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:33,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2022-09-16 10:43:33,414 INFO L420 AbstractCegarLoop]: === Iteration 125 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:33,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:33,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1093218885, now seen corresponding path program 2 times [2022-09-16 10:43:33,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:33,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388646082] [2022-09-16 10:43:33,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:33,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:33,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:33,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:33,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:33,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388646082] [2022-09-16 10:43:33,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388646082] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:33,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:33,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:33,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541134504] [2022-09-16 10:43:33,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:33,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:33,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:33,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:33,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:33,600 INFO L87 Difference]: Start difference. First operand 320 states and 558 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:34,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:34,125 INFO L93 Difference]: Finished difference Result 641 states and 1090 transitions. [2022-09-16 10:43:34,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:34,125 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:34,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:34,126 INFO L225 Difference]: With dead ends: 641 [2022-09-16 10:43:34,126 INFO L226 Difference]: Without dead ends: 584 [2022-09-16 10:43:34,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=169, Invalid=481, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:43:34,126 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 367 mSDsluCounter, 1172 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 367 SdHoareTripleChecker+Valid, 1324 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:34,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [367 Valid, 1324 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:34,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2022-09-16 10:43:34,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 330. [2022-09-16 10:43:34,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 328 states have (on average 1.7439024390243902) internal successors, (572), 329 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:34,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 572 transitions. [2022-09-16 10:43:34,130 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 572 transitions. Word has length 54 [2022-09-16 10:43:34,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:34,130 INFO L495 AbstractCegarLoop]: Abstraction has 330 states and 572 transitions. [2022-09-16 10:43:34,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:34,130 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 572 transitions. [2022-09-16 10:43:34,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:34,131 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:34,131 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:34,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2022-09-16 10:43:34,131 INFO L420 AbstractCegarLoop]: === Iteration 126 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:34,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:34,132 INFO L85 PathProgramCache]: Analyzing trace with hash 473958029, now seen corresponding path program 3 times [2022-09-16 10:43:34,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:34,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243796024] [2022-09-16 10:43:34,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:34,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:34,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:34,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:34,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243796024] [2022-09-16 10:43:34,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243796024] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:34,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:34,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:34,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052846983] [2022-09-16 10:43:34,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:34,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:34,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:34,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:34,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:34,331 INFO L87 Difference]: Start difference. First operand 330 states and 572 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:35,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:35,138 INFO L93 Difference]: Finished difference Result 541 states and 926 transitions. [2022-09-16 10:43:35,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:35,138 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:35,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:35,139 INFO L225 Difference]: With dead ends: 541 [2022-09-16 10:43:35,139 INFO L226 Difference]: Without dead ends: 489 [2022-09-16 10:43:35,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=162, Invalid=488, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:43:35,139 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 304 mSDsluCounter, 1178 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 1330 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:35,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 1330 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:43:35,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2022-09-16 10:43:35,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 331. [2022-09-16 10:43:35,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 329 states have (on average 1.7416413373860182) internal successors, (573), 330 states have internal predecessors, (573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:35,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 573 transitions. [2022-09-16 10:43:35,142 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 573 transitions. Word has length 54 [2022-09-16 10:43:35,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:35,142 INFO L495 AbstractCegarLoop]: Abstraction has 331 states and 573 transitions. [2022-09-16 10:43:35,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:35,142 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 573 transitions. [2022-09-16 10:43:35,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:35,143 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:35,143 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:35,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2022-09-16 10:43:35,143 INFO L420 AbstractCegarLoop]: === Iteration 127 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:35,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:35,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1412903815, now seen corresponding path program 4 times [2022-09-16 10:43:35,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:35,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991745302] [2022-09-16 10:43:35,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:35,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:35,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:35,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:35,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991745302] [2022-09-16 10:43:35,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991745302] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:35,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:35,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:35,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160204730] [2022-09-16 10:43:35,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:35,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:35,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:35,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:35,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:35,285 INFO L87 Difference]: Start difference. First operand 331 states and 573 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:35,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:35,823 INFO L93 Difference]: Finished difference Result 538 states and 922 transitions. [2022-09-16 10:43:35,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:43:35,824 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:35,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:35,824 INFO L225 Difference]: With dead ends: 538 [2022-09-16 10:43:35,824 INFO L226 Difference]: Without dead ends: 470 [2022-09-16 10:43:35,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=184, Invalid=518, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:43:35,825 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 314 mSDsluCounter, 1108 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 1260 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:35,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 1260 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:35,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2022-09-16 10:43:35,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 325. [2022-09-16 10:43:35,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 323 states have (on average 1.7523219814241486) internal successors, (566), 324 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:35,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 566 transitions. [2022-09-16 10:43:35,828 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 566 transitions. Word has length 54 [2022-09-16 10:43:35,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:35,828 INFO L495 AbstractCegarLoop]: Abstraction has 325 states and 566 transitions. [2022-09-16 10:43:35,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:35,828 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 566 transitions. [2022-09-16 10:43:35,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:35,828 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:35,829 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:35,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2022-09-16 10:43:35,829 INFO L420 AbstractCegarLoop]: === Iteration 128 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:35,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:35,829 INFO L85 PathProgramCache]: Analyzing trace with hash -537310454, now seen corresponding path program 11 times [2022-09-16 10:43:35,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:35,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183635981] [2022-09-16 10:43:35,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:35,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:36,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:36,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:36,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183635981] [2022-09-16 10:43:36,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183635981] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:36,080 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:36,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:36,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500604787] [2022-09-16 10:43:36,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:36,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:36,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:36,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:36,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:36,081 INFO L87 Difference]: Start difference. First operand 325 states and 566 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:36,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:36,622 INFO L93 Difference]: Finished difference Result 503 states and 856 transitions. [2022-09-16 10:43:36,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:36,622 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:36,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:36,623 INFO L225 Difference]: With dead ends: 503 [2022-09-16 10:43:36,623 INFO L226 Difference]: Without dead ends: 468 [2022-09-16 10:43:36,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=169, Invalid=481, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:43:36,625 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 294 mSDsluCounter, 1078 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 1223 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:36,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 1223 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:36,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2022-09-16 10:43:36,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 323. [2022-09-16 10:43:36,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 321 states have (on average 1.7538940809968848) internal successors, (563), 322 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:36,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 563 transitions. [2022-09-16 10:43:36,632 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 563 transitions. Word has length 54 [2022-09-16 10:43:36,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:36,632 INFO L495 AbstractCegarLoop]: Abstraction has 323 states and 563 transitions. [2022-09-16 10:43:36,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:36,633 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 563 transitions. [2022-09-16 10:43:36,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:36,633 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:36,633 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:36,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2022-09-16 10:43:36,634 INFO L420 AbstractCegarLoop]: === Iteration 129 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:36,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:36,634 INFO L85 PathProgramCache]: Analyzing trace with hash -406951759, now seen corresponding path program 5 times [2022-09-16 10:43:36,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:36,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104943554] [2022-09-16 10:43:36,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:36,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:36,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:36,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:36,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104943554] [2022-09-16 10:43:36,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104943554] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:36,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:36,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:36,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864866058] [2022-09-16 10:43:36,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:36,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:36,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:36,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:36,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:36,783 INFO L87 Difference]: Start difference. First operand 323 states and 563 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:37,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:37,304 INFO L93 Difference]: Finished difference Result 577 states and 980 transitions. [2022-09-16 10:43:37,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:37,305 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:37,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:37,305 INFO L225 Difference]: With dead ends: 577 [2022-09-16 10:43:37,305 INFO L226 Difference]: Without dead ends: 520 [2022-09-16 10:43:37,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=169, Invalid=481, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:43:37,306 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 349 mSDsluCounter, 1236 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 1389 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:37,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 1389 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:37,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2022-09-16 10:43:37,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 325. [2022-09-16 10:43:37,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 323 states have (on average 1.7523219814241486) internal successors, (566), 324 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:37,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 566 transitions. [2022-09-16 10:43:37,309 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 566 transitions. Word has length 54 [2022-09-16 10:43:37,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:37,310 INFO L495 AbstractCegarLoop]: Abstraction has 325 states and 566 transitions. [2022-09-16 10:43:37,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:37,310 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 566 transitions. [2022-09-16 10:43:37,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:37,310 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:37,310 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:37,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2022-09-16 10:43:37,310 INFO L420 AbstractCegarLoop]: === Iteration 130 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:37,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:37,310 INFO L85 PathProgramCache]: Analyzing trace with hash 900882148, now seen corresponding path program 12 times [2022-09-16 10:43:37,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:37,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053165141] [2022-09-16 10:43:37,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:37,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:37,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:37,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:37,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:37,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053165141] [2022-09-16 10:43:37,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053165141] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:37,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:37,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:37,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352878929] [2022-09-16 10:43:37,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:37,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:37,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:37,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:37,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:37,454 INFO L87 Difference]: Start difference. First operand 325 states and 566 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:37,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:37,978 INFO L93 Difference]: Finished difference Result 548 states and 930 transitions. [2022-09-16 10:43:37,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:37,978 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:37,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:37,979 INFO L225 Difference]: With dead ends: 548 [2022-09-16 10:43:37,979 INFO L226 Difference]: Without dead ends: 514 [2022-09-16 10:43:37,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=169, Invalid=481, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:43:37,979 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 308 mSDsluCounter, 1181 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 1327 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:37,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 1327 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:37,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2022-09-16 10:43:37,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 329. [2022-09-16 10:43:37,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 327 states have (on average 1.7400611620795108) internal successors, (569), 328 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:37,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 569 transitions. [2022-09-16 10:43:37,982 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 569 transitions. Word has length 54 [2022-09-16 10:43:37,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:37,982 INFO L495 AbstractCegarLoop]: Abstraction has 329 states and 569 transitions. [2022-09-16 10:43:37,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:37,982 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 569 transitions. [2022-09-16 10:43:37,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:37,983 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:37,983 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:37,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2022-09-16 10:43:37,983 INFO L420 AbstractCegarLoop]: === Iteration 131 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:37,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:37,983 INFO L85 PathProgramCache]: Analyzing trace with hash -556976296, now seen corresponding path program 13 times [2022-09-16 10:43:37,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:37,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444114409] [2022-09-16 10:43:37,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:37,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:37,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:38,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:38,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:38,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444114409] [2022-09-16 10:43:38,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444114409] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:38,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:38,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:38,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461883587] [2022-09-16 10:43:38,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:38,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:38,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:38,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:38,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:38,139 INFO L87 Difference]: Start difference. First operand 329 states and 569 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:38,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:38,710 INFO L93 Difference]: Finished difference Result 541 states and 917 transitions. [2022-09-16 10:43:38,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:43:38,711 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:38,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:38,711 INFO L225 Difference]: With dead ends: 541 [2022-09-16 10:43:38,711 INFO L226 Difference]: Without dead ends: 507 [2022-09-16 10:43:38,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=186, Invalid=516, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:43:38,712 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 274 mSDsluCounter, 1189 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 1330 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:38,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 1330 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:38,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2022-09-16 10:43:38,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 330. [2022-09-16 10:43:38,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 328 states have (on average 1.7378048780487805) internal successors, (570), 329 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:38,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 570 transitions. [2022-09-16 10:43:38,715 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 570 transitions. Word has length 54 [2022-09-16 10:43:38,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:38,715 INFO L495 AbstractCegarLoop]: Abstraction has 330 states and 570 transitions. [2022-09-16 10:43:38,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:38,715 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 570 transitions. [2022-09-16 10:43:38,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:38,715 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:38,715 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:38,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2022-09-16 10:43:38,715 INFO L420 AbstractCegarLoop]: === Iteration 132 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:38,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:38,716 INFO L85 PathProgramCache]: Analyzing trace with hash 226845212, now seen corresponding path program 14 times [2022-09-16 10:43:38,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:38,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837420749] [2022-09-16 10:43:38,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:38,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:38,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:38,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:38,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837420749] [2022-09-16 10:43:38,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837420749] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:38,903 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:38,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:38,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033876149] [2022-09-16 10:43:38,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:38,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:38,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:38,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:38,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:38,904 INFO L87 Difference]: Start difference. First operand 330 states and 570 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:39,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:39,423 INFO L93 Difference]: Finished difference Result 503 states and 855 transitions. [2022-09-16 10:43:39,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:39,423 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:39,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:39,424 INFO L225 Difference]: With dead ends: 503 [2022-09-16 10:43:39,424 INFO L226 Difference]: Without dead ends: 467 [2022-09-16 10:43:39,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=162, Invalid=488, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:43:39,424 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 293 mSDsluCounter, 1172 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 1316 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:39,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 1316 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:39,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2022-09-16 10:43:39,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 322. [2022-09-16 10:43:39,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 320 states have (on average 1.753125) internal successors, (561), 321 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:39,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 561 transitions. [2022-09-16 10:43:39,427 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 561 transitions. Word has length 54 [2022-09-16 10:43:39,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:39,427 INFO L495 AbstractCegarLoop]: Abstraction has 322 states and 561 transitions. [2022-09-16 10:43:39,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:39,428 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 561 transitions. [2022-09-16 10:43:39,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:39,428 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:39,428 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:39,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2022-09-16 10:43:39,428 INFO L420 AbstractCegarLoop]: === Iteration 133 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:39,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:39,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1532546907, now seen corresponding path program 6 times [2022-09-16 10:43:39,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:39,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263694077] [2022-09-16 10:43:39,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:39,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:39,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:39,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:39,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263694077] [2022-09-16 10:43:39,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263694077] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:39,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:39,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:39,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95984006] [2022-09-16 10:43:39,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:39,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:39,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:39,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:39,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:39,598 INFO L87 Difference]: Start difference. First operand 322 states and 561 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:40,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:40,122 INFO L93 Difference]: Finished difference Result 459 states and 789 transitions. [2022-09-16 10:43:40,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:40,123 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:40,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:40,123 INFO L225 Difference]: With dead ends: 459 [2022-09-16 10:43:40,123 INFO L226 Difference]: Without dead ends: 402 [2022-09-16 10:43:40,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=169, Invalid=481, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:43:40,123 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 292 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 1335 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:40,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 1335 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:40,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2022-09-16 10:43:40,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 326. [2022-09-16 10:43:40,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 324 states have (on average 1.7530864197530864) internal successors, (568), 325 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:40,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 568 transitions. [2022-09-16 10:43:40,126 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 568 transitions. Word has length 54 [2022-09-16 10:43:40,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:40,126 INFO L495 AbstractCegarLoop]: Abstraction has 326 states and 568 transitions. [2022-09-16 10:43:40,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:40,126 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 568 transitions. [2022-09-16 10:43:40,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:40,127 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:40,127 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:40,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2022-09-16 10:43:40,127 INFO L420 AbstractCegarLoop]: === Iteration 134 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:40,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:40,127 INFO L85 PathProgramCache]: Analyzing trace with hash -1454586482, now seen corresponding path program 15 times [2022-09-16 10:43:40,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:40,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906504922] [2022-09-16 10:43:40,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:40,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:40,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:40,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:40,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906504922] [2022-09-16 10:43:40,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906504922] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:40,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:40,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:40,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896483076] [2022-09-16 10:43:40,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:40,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:40,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:40,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:40,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:40,291 INFO L87 Difference]: Start difference. First operand 326 states and 568 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:40,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:40,779 INFO L93 Difference]: Finished difference Result 430 states and 739 transitions. [2022-09-16 10:43:40,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:40,779 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:40,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:40,780 INFO L225 Difference]: With dead ends: 430 [2022-09-16 10:43:40,780 INFO L226 Difference]: Without dead ends: 396 [2022-09-16 10:43:40,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=169, Invalid=481, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:43:40,780 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 299 mSDsluCounter, 992 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 1119 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:40,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 1119 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:40,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2022-09-16 10:43:40,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 340. [2022-09-16 10:43:40,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 338 states have (on average 1.7485207100591715) internal successors, (591), 339 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:40,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 591 transitions. [2022-09-16 10:43:40,783 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 591 transitions. Word has length 54 [2022-09-16 10:43:40,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:40,783 INFO L495 AbstractCegarLoop]: Abstraction has 340 states and 591 transitions. [2022-09-16 10:43:40,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:40,783 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 591 transitions. [2022-09-16 10:43:40,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:40,784 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:40,784 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:40,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2022-09-16 10:43:40,784 INFO L420 AbstractCegarLoop]: === Iteration 135 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:40,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:40,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1382522370, now seen corresponding path program 16 times [2022-09-16 10:43:40,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:40,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013263217] [2022-09-16 10:43:40,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:40,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:40,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:40,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:40,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013263217] [2022-09-16 10:43:40,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013263217] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:40,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:40,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:40,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81031947] [2022-09-16 10:43:40,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:40,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:40,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:40,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:40,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:40,988 INFO L87 Difference]: Start difference. First operand 340 states and 591 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:41,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:41,546 INFO L93 Difference]: Finished difference Result 463 states and 790 transitions. [2022-09-16 10:43:41,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:43:41,546 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:41,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:41,547 INFO L225 Difference]: With dead ends: 463 [2022-09-16 10:43:41,547 INFO L226 Difference]: Without dead ends: 429 [2022-09-16 10:43:41,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=186, Invalid=516, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:43:41,547 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 283 mSDsluCounter, 1061 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 1183 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:41,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 1183 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:41,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2022-09-16 10:43:41,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 341. [2022-09-16 10:43:41,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 339 states have (on average 1.7463126843657817) internal successors, (592), 340 states have internal predecessors, (592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:41,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 592 transitions. [2022-09-16 10:43:41,550 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 592 transitions. Word has length 54 [2022-09-16 10:43:41,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:41,550 INFO L495 AbstractCegarLoop]: Abstraction has 341 states and 592 transitions. [2022-09-16 10:43:41,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:41,550 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 592 transitions. [2022-09-16 10:43:41,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:41,551 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:41,551 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:41,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2022-09-16 10:43:41,551 INFO L420 AbstractCegarLoop]: === Iteration 136 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:41,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:41,551 INFO L85 PathProgramCache]: Analyzing trace with hash -2128623418, now seen corresponding path program 17 times [2022-09-16 10:43:41,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:41,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576280597] [2022-09-16 10:43:41,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:41,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:41,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:41,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:41,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576280597] [2022-09-16 10:43:41,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576280597] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:41,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:41,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:41,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479584296] [2022-09-16 10:43:41,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:41,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:41,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:41,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:41,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:41,708 INFO L87 Difference]: Start difference. First operand 341 states and 592 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:42,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:42,216 INFO L93 Difference]: Finished difference Result 425 states and 728 transitions. [2022-09-16 10:43:42,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:42,216 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:42,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:42,217 INFO L225 Difference]: With dead ends: 425 [2022-09-16 10:43:42,217 INFO L226 Difference]: Without dead ends: 390 [2022-09-16 10:43:42,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=162, Invalid=488, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:43:42,217 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 248 mSDsluCounter, 970 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 1093 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:42,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 1093 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:42,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2022-09-16 10:43:42,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 334. [2022-09-16 10:43:42,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 332 states have (on average 1.7439759036144578) internal successors, (579), 333 states have internal predecessors, (579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:42,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 579 transitions. [2022-09-16 10:43:42,220 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 579 transitions. Word has length 54 [2022-09-16 10:43:42,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:42,220 INFO L495 AbstractCegarLoop]: Abstraction has 334 states and 579 transitions. [2022-09-16 10:43:42,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:42,220 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 579 transitions. [2022-09-16 10:43:42,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:42,221 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:42,221 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:42,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2022-09-16 10:43:42,221 INFO L420 AbstractCegarLoop]: === Iteration 137 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:42,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:42,221 INFO L85 PathProgramCache]: Analyzing trace with hash 2057392588, now seen corresponding path program 18 times [2022-09-16 10:43:42,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:42,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744681667] [2022-09-16 10:43:42,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:42,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:42,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:42,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:42,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744681667] [2022-09-16 10:43:42,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744681667] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:42,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:42,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:42,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232957953] [2022-09-16 10:43:42,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:42,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:42,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:42,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:42,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:42,375 INFO L87 Difference]: Start difference. First operand 334 states and 579 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:42,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:42,946 INFO L93 Difference]: Finished difference Result 424 states and 727 transitions. [2022-09-16 10:43:42,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 10:43:42,946 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:42,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:42,946 INFO L225 Difference]: With dead ends: 424 [2022-09-16 10:43:42,946 INFO L226 Difference]: Without dead ends: 376 [2022-09-16 10:43:42,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=200, Invalid=556, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:43:42,947 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 262 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 1084 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:42,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 1084 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:42,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2022-09-16 10:43:42,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 336. [2022-09-16 10:43:42,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 334 states have (on average 1.7395209580838322) internal successors, (581), 335 states have internal predecessors, (581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:42,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 581 transitions. [2022-09-16 10:43:42,959 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 581 transitions. Word has length 54 [2022-09-16 10:43:42,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:42,959 INFO L495 AbstractCegarLoop]: Abstraction has 336 states and 581 transitions. [2022-09-16 10:43:42,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:42,959 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 581 transitions. [2022-09-16 10:43:42,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:42,959 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:42,959 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:42,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2022-09-16 10:43:42,959 INFO L420 AbstractCegarLoop]: === Iteration 138 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:42,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:42,960 INFO L85 PathProgramCache]: Analyzing trace with hash -290096310, now seen corresponding path program 19 times [2022-09-16 10:43:42,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:42,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839208652] [2022-09-16 10:43:42,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:42,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:42,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:43,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:43,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:43,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839208652] [2022-09-16 10:43:43,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839208652] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:43,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:43,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:43,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108976166] [2022-09-16 10:43:43,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:43,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:43,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:43,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:43,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:43,125 INFO L87 Difference]: Start difference. First operand 336 states and 581 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:43,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:43,707 INFO L93 Difference]: Finished difference Result 403 states and 686 transitions. [2022-09-16 10:43:43,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:43:43,707 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:43,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:43,708 INFO L225 Difference]: With dead ends: 403 [2022-09-16 10:43:43,708 INFO L226 Difference]: Without dead ends: 369 [2022-09-16 10:43:43,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:43:43,708 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 234 mSDsluCounter, 1054 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 1175 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:43,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 1175 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:43,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2022-09-16 10:43:43,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 337. [2022-09-16 10:43:43,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 335 states have (on average 1.7373134328358208) internal successors, (582), 336 states have internal predecessors, (582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:43,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 582 transitions. [2022-09-16 10:43:43,720 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 582 transitions. Word has length 54 [2022-09-16 10:43:43,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:43,720 INFO L495 AbstractCegarLoop]: Abstraction has 337 states and 582 transitions. [2022-09-16 10:43:43,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:43,720 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 582 transitions. [2022-09-16 10:43:43,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:43,720 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:43,720 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:43,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2022-09-16 10:43:43,720 INFO L420 AbstractCegarLoop]: === Iteration 139 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:43,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:43,721 INFO L85 PathProgramCache]: Analyzing trace with hash 493725198, now seen corresponding path program 20 times [2022-09-16 10:43:43,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:43,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934323304] [2022-09-16 10:43:43,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:43,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:43,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:43,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:43,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934323304] [2022-09-16 10:43:43,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934323304] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:43,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:43,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:43,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675560711] [2022-09-16 10:43:43,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:43,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:43,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:43,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:43,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:43,898 INFO L87 Difference]: Start difference. First operand 337 states and 582 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:44,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:44,365 INFO L93 Difference]: Finished difference Result 365 states and 624 transitions. [2022-09-16 10:43:44,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:44,365 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:44,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:44,366 INFO L225 Difference]: With dead ends: 365 [2022-09-16 10:43:44,366 INFO L226 Difference]: Without dead ends: 316 [2022-09-16 10:43:44,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=156, Invalid=494, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:43:44,366 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 193 mSDsluCounter, 1029 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 1146 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:44,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 1146 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:44,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2022-09-16 10:43:44,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316. [2022-09-16 10:43:44,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 314 states have (on average 1.7515923566878981) internal successors, (550), 315 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:44,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 550 transitions. [2022-09-16 10:43:44,368 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 550 transitions. Word has length 54 [2022-09-16 10:43:44,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:44,368 INFO L495 AbstractCegarLoop]: Abstraction has 316 states and 550 transitions. [2022-09-16 10:43:44,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:44,369 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 550 transitions. [2022-09-16 10:43:44,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:44,369 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:44,369 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:44,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2022-09-16 10:43:44,369 INFO L420 AbstractCegarLoop]: === Iteration 140 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:44,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:44,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1263353259, now seen corresponding path program 7 times [2022-09-16 10:43:44,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:44,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120319024] [2022-09-16 10:43:44,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:44,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:44,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:44,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:44,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:44,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120319024] [2022-09-16 10:43:44,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120319024] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:44,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:44,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:44,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060076525] [2022-09-16 10:43:44,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:44,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:44,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:44,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:44,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:44,537 INFO L87 Difference]: Start difference. First operand 316 states and 550 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:45,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:45,046 INFO L93 Difference]: Finished difference Result 697 states and 1199 transitions. [2022-09-16 10:43:45,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:45,046 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:45,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:45,047 INFO L225 Difference]: With dead ends: 697 [2022-09-16 10:43:45,047 INFO L226 Difference]: Without dead ends: 640 [2022-09-16 10:43:45,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=168, Invalid=482, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:43:45,048 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 351 mSDsluCounter, 1043 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 351 SdHoareTripleChecker+Valid, 1190 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:45,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [351 Valid, 1190 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:45,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2022-09-16 10:43:45,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 341. [2022-09-16 10:43:45,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 339 states have (on average 1.752212389380531) internal successors, (594), 340 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:45,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 594 transitions. [2022-09-16 10:43:45,051 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 594 transitions. Word has length 54 [2022-09-16 10:43:45,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:45,051 INFO L495 AbstractCegarLoop]: Abstraction has 341 states and 594 transitions. [2022-09-16 10:43:45,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:45,051 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 594 transitions. [2022-09-16 10:43:45,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:45,052 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:45,052 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:45,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2022-09-16 10:43:45,052 INFO L420 AbstractCegarLoop]: === Iteration 141 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:45,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:45,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1882614115, now seen corresponding path program 8 times [2022-09-16 10:43:45,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:45,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177792905] [2022-09-16 10:43:45,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:45,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:45,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:45,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:45,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177792905] [2022-09-16 10:43:45,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177792905] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:45,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:45,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:45,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965964939] [2022-09-16 10:43:45,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:45,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:45,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:45,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:45,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:45,244 INFO L87 Difference]: Start difference. First operand 341 states and 594 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:45,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:45,761 INFO L93 Difference]: Finished difference Result 697 states and 1196 transitions. [2022-09-16 10:43:45,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:45,761 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:45,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:45,762 INFO L225 Difference]: With dead ends: 697 [2022-09-16 10:43:45,762 INFO L226 Difference]: Without dead ends: 645 [2022-09-16 10:43:45,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=161, Invalid=489, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:43:45,763 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 315 mSDsluCounter, 1050 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 1197 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:45,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 1197 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:45,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2022-09-16 10:43:45,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 342. [2022-09-16 10:43:45,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 340 states have (on average 1.75) internal successors, (595), 341 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:45,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 595 transitions. [2022-09-16 10:43:45,766 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 595 transitions. Word has length 54 [2022-09-16 10:43:45,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:45,766 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 595 transitions. [2022-09-16 10:43:45,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:45,766 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 595 transitions. [2022-09-16 10:43:45,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:45,767 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:45,767 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:45,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2022-09-16 10:43:45,767 INFO L420 AbstractCegarLoop]: === Iteration 142 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:45,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:45,768 INFO L85 PathProgramCache]: Analyzing trace with hash 525491337, now seen corresponding path program 9 times [2022-09-16 10:43:45,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:45,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157401144] [2022-09-16 10:43:45,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:45,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:45,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:45,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:45,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:45,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157401144] [2022-09-16 10:43:45,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157401144] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:45,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:45,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:45,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343635991] [2022-09-16 10:43:45,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:45,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:45,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:45,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:45,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:45,950 INFO L87 Difference]: Start difference. First operand 342 states and 595 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:46,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:46,498 INFO L93 Difference]: Finished difference Result 703 states and 1209 transitions. [2022-09-16 10:43:46,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:43:46,498 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:46,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:46,499 INFO L225 Difference]: With dead ends: 703 [2022-09-16 10:43:46,499 INFO L226 Difference]: Without dead ends: 635 [2022-09-16 10:43:46,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=183, Invalid=519, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:43:46,499 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 325 mSDsluCounter, 1063 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 1210 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:46,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 1210 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:46,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2022-09-16 10:43:46,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 336. [2022-09-16 10:43:46,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 334 states have (on average 1.7455089820359282) internal successors, (583), 335 states have internal predecessors, (583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:46,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 583 transitions. [2022-09-16 10:43:46,502 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 583 transitions. Word has length 54 [2022-09-16 10:43:46,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:46,502 INFO L495 AbstractCegarLoop]: Abstraction has 336 states and 583 transitions. [2022-09-16 10:43:46,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:46,502 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 583 transitions. [2022-09-16 10:43:46,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:46,503 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:46,503 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:46,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2022-09-16 10:43:46,503 INFO L420 AbstractCegarLoop]: === Iteration 143 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:46,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:46,503 INFO L85 PathProgramCache]: Analyzing trace with hash -244481067, now seen corresponding path program 10 times [2022-09-16 10:43:46,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:46,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838906963] [2022-09-16 10:43:46,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:46,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:46,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:46,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:46,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838906963] [2022-09-16 10:43:46,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838906963] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:46,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:46,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:46,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265682897] [2022-09-16 10:43:46,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:46,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:46,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:46,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:46,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:46,687 INFO L87 Difference]: Start difference. First operand 336 states and 583 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:47,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:47,176 INFO L93 Difference]: Finished difference Result 583 states and 1007 transitions. [2022-09-16 10:43:47,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:47,176 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:47,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:47,177 INFO L225 Difference]: With dead ends: 583 [2022-09-16 10:43:47,177 INFO L226 Difference]: Without dead ends: 531 [2022-09-16 10:43:47,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=155, Invalid=495, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:43:47,177 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 263 mSDsluCounter, 1016 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 1154 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:47,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 1154 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:47,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2022-09-16 10:43:47,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 339. [2022-09-16 10:43:47,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 339 states, 337 states have (on average 1.7448071216617211) internal successors, (588), 338 states have internal predecessors, (588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:47,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 588 transitions. [2022-09-16 10:43:47,181 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 588 transitions. Word has length 54 [2022-09-16 10:43:47,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:47,181 INFO L495 AbstractCegarLoop]: Abstraction has 339 states and 588 transitions. [2022-09-16 10:43:47,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:47,181 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 588 transitions. [2022-09-16 10:43:47,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:47,181 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:47,181 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:47,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2022-09-16 10:43:47,181 INFO L420 AbstractCegarLoop]: === Iteration 144 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:47,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:47,182 INFO L85 PathProgramCache]: Analyzing trace with hash -2131342911, now seen corresponding path program 11 times [2022-09-16 10:43:47,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:47,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361478474] [2022-09-16 10:43:47,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:47,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:47,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:47,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:47,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361478474] [2022-09-16 10:43:47,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361478474] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:47,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:47,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:47,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961874198] [2022-09-16 10:43:47,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:47,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:47,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:47,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:47,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:47,368 INFO L87 Difference]: Start difference. First operand 339 states and 588 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:47,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:47,927 INFO L93 Difference]: Finished difference Result 593 states and 1026 transitions. [2022-09-16 10:43:47,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:43:47,927 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:47,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:47,928 INFO L225 Difference]: With dead ends: 593 [2022-09-16 10:43:47,928 INFO L226 Difference]: Without dead ends: 530 [2022-09-16 10:43:47,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=174, Invalid=528, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:43:47,928 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 276 mSDsluCounter, 1123 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 1269 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:47,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 1269 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:47,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2022-09-16 10:43:47,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 338. [2022-09-16 10:43:47,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 336 states have (on average 1.744047619047619) internal successors, (586), 337 states have internal predecessors, (586), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:47,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 586 transitions. [2022-09-16 10:43:47,932 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 586 transitions. Word has length 54 [2022-09-16 10:43:47,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:47,932 INFO L495 AbstractCegarLoop]: Abstraction has 338 states and 586 transitions. [2022-09-16 10:43:47,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:47,932 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 586 transitions. [2022-09-16 10:43:47,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:47,932 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:47,932 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:47,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2022-09-16 10:43:47,932 INFO L420 AbstractCegarLoop]: === Iteration 145 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:47,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:47,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1442019251, now seen corresponding path program 12 times [2022-09-16 10:43:47,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:47,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436145995] [2022-09-16 10:43:47,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:47,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:48,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:48,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:48,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436145995] [2022-09-16 10:43:48,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436145995] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:48,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:48,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:48,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758073335] [2022-09-16 10:43:48,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:48,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:48,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:48,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:48,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:48,112 INFO L87 Difference]: Start difference. First operand 338 states and 586 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:48,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:48,710 INFO L93 Difference]: Finished difference Result 588 states and 1018 transitions. [2022-09-16 10:43:48,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 10:43:48,710 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:48,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:48,711 INFO L225 Difference]: With dead ends: 588 [2022-09-16 10:43:48,711 INFO L226 Difference]: Without dead ends: 492 [2022-09-16 10:43:48,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=197, Invalid=559, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:43:48,713 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 313 mSDsluCounter, 1204 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 1351 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:48,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 1351 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:48,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2022-09-16 10:43:48,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 326. [2022-09-16 10:43:48,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 324 states have (on average 1.7469135802469136) internal successors, (566), 325 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:48,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 566 transitions. [2022-09-16 10:43:48,716 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 566 transitions. Word has length 54 [2022-09-16 10:43:48,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:48,716 INFO L495 AbstractCegarLoop]: Abstraction has 326 states and 566 transitions. [2022-09-16 10:43:48,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:48,716 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 566 transitions. [2022-09-16 10:43:48,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:48,716 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:48,716 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:48,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2022-09-16 10:43:48,716 INFO L420 AbstractCegarLoop]: === Iteration 146 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:48,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:48,716 INFO L85 PathProgramCache]: Analyzing trace with hash 992675464, now seen corresponding path program 21 times [2022-09-16 10:43:48,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:48,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335355509] [2022-09-16 10:43:48,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:48,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:48,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:48,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:48,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335355509] [2022-09-16 10:43:48,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335355509] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:48,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:48,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:48,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729214695] [2022-09-16 10:43:48,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:48,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:48,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:48,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:48,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:48,864 INFO L87 Difference]: Start difference. First operand 326 states and 566 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:49,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:49,380 INFO L93 Difference]: Finished difference Result 525 states and 897 transitions. [2022-09-16 10:43:49,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:49,380 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:49,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:49,394 INFO L225 Difference]: With dead ends: 525 [2022-09-16 10:43:49,394 INFO L226 Difference]: Without dead ends: 488 [2022-09-16 10:43:49,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=168, Invalid=482, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:43:49,394 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 303 mSDsluCounter, 1072 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:49,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 1199 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:49,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2022-09-16 10:43:49,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 322. [2022-09-16 10:43:49,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 320 states have (on average 1.75) internal successors, (560), 321 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:49,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 560 transitions. [2022-09-16 10:43:49,397 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 560 transitions. Word has length 54 [2022-09-16 10:43:49,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:49,397 INFO L495 AbstractCegarLoop]: Abstraction has 322 states and 560 transitions. [2022-09-16 10:43:49,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:49,397 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 560 transitions. [2022-09-16 10:43:49,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:49,398 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:49,411 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:49,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2022-09-16 10:43:49,411 INFO L420 AbstractCegarLoop]: === Iteration 147 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:49,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:49,411 INFO L85 PathProgramCache]: Analyzing trace with hash -190065273, now seen corresponding path program 13 times [2022-09-16 10:43:49,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:49,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420924049] [2022-09-16 10:43:49,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:49,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:49,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:49,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:49,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420924049] [2022-09-16 10:43:49,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420924049] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:49,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:49,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:49,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827385527] [2022-09-16 10:43:49,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:49,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:49,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:49,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:49,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:49,576 INFO L87 Difference]: Start difference. First operand 322 states and 560 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:50,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:50,086 INFO L93 Difference]: Finished difference Result 779 states and 1318 transitions. [2022-09-16 10:43:50,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:50,086 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:50,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:50,087 INFO L225 Difference]: With dead ends: 779 [2022-09-16 10:43:50,087 INFO L226 Difference]: Without dead ends: 722 [2022-09-16 10:43:50,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=168, Invalid=482, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:43:50,087 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 379 mSDsluCounter, 1100 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 1250 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:50,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 1250 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:50,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 722 states. [2022-09-16 10:43:50,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 722 to 330. [2022-09-16 10:43:50,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 328 states have (on average 1.7378048780487805) internal successors, (570), 329 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:50,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 570 transitions. [2022-09-16 10:43:50,091 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 570 transitions. Word has length 54 [2022-09-16 10:43:50,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:50,091 INFO L495 AbstractCegarLoop]: Abstraction has 330 states and 570 transitions. [2022-09-16 10:43:50,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:50,091 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 570 transitions. [2022-09-16 10:43:50,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:50,091 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:50,091 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:50,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2022-09-16 10:43:50,092 INFO L420 AbstractCegarLoop]: === Iteration 148 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:50,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:50,092 INFO L85 PathProgramCache]: Analyzing trace with hash -809326129, now seen corresponding path program 14 times [2022-09-16 10:43:50,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:50,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233289439] [2022-09-16 10:43:50,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:50,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:50,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:50,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:50,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233289439] [2022-09-16 10:43:50,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233289439] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:50,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:50,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:50,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761329270] [2022-09-16 10:43:50,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:50,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:50,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:50,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:50,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:50,313 INFO L87 Difference]: Start difference. First operand 330 states and 570 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:51,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:51,028 INFO L93 Difference]: Finished difference Result 679 states and 1154 transitions. [2022-09-16 10:43:51,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:51,029 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:51,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:51,029 INFO L225 Difference]: With dead ends: 679 [2022-09-16 10:43:51,029 INFO L226 Difference]: Without dead ends: 627 [2022-09-16 10:43:51,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=161, Invalid=489, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:43:51,030 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 361 mSDsluCounter, 1154 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 1304 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:51,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 1304 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:43:51,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2022-09-16 10:43:51,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 331. [2022-09-16 10:43:51,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 329 states have (on average 1.7355623100303952) internal successors, (571), 330 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:51,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 571 transitions. [2022-09-16 10:43:51,033 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 571 transitions. Word has length 54 [2022-09-16 10:43:51,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:51,033 INFO L495 AbstractCegarLoop]: Abstraction has 331 states and 571 transitions. [2022-09-16 10:43:51,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:51,033 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 571 transitions. [2022-09-16 10:43:51,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:51,034 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:51,034 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:51,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2022-09-16 10:43:51,034 INFO L420 AbstractCegarLoop]: === Iteration 149 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:51,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:51,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1598779323, now seen corresponding path program 15 times [2022-09-16 10:43:51,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:51,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604061644] [2022-09-16 10:43:51,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:51,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:51,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:51,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:51,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604061644] [2022-09-16 10:43:51,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604061644] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:51,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:51,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:51,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529521779] [2022-09-16 10:43:51,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:51,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:51,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:51,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:51,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:51,226 INFO L87 Difference]: Start difference. First operand 331 states and 571 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:51,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:51,775 INFO L93 Difference]: Finished difference Result 676 states and 1150 transitions. [2022-09-16 10:43:51,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:43:51,775 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:51,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:51,776 INFO L225 Difference]: With dead ends: 676 [2022-09-16 10:43:51,776 INFO L226 Difference]: Without dead ends: 608 [2022-09-16 10:43:51,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=183, Invalid=519, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:43:51,776 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 335 mSDsluCounter, 1092 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 1242 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:51,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 1242 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:51,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2022-09-16 10:43:51,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 325. [2022-09-16 10:43:51,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 323 states have (on average 1.7461300309597523) internal successors, (564), 324 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:51,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 564 transitions. [2022-09-16 10:43:51,779 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 564 transitions. Word has length 54 [2022-09-16 10:43:51,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:51,779 INFO L495 AbstractCegarLoop]: Abstraction has 325 states and 564 transitions. [2022-09-16 10:43:51,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:51,779 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 564 transitions. [2022-09-16 10:43:51,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:51,780 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:51,780 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:51,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2022-09-16 10:43:51,780 INFO L420 AbstractCegarLoop]: === Iteration 150 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:51,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:51,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1820594612, now seen corresponding path program 22 times [2022-09-16 10:43:51,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:51,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646460911] [2022-09-16 10:43:51,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:51,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:51,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:51,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:51,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646460911] [2022-09-16 10:43:51,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646460911] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:51,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:51,925 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:51,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664292075] [2022-09-16 10:43:51,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:51,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:51,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:51,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:51,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:51,925 INFO L87 Difference]: Start difference. First operand 325 states and 564 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:52,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:52,447 INFO L93 Difference]: Finished difference Result 641 states and 1084 transitions. [2022-09-16 10:43:52,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:52,447 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:52,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:52,448 INFO L225 Difference]: With dead ends: 641 [2022-09-16 10:43:52,448 INFO L226 Difference]: Without dead ends: 606 [2022-09-16 10:43:52,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=168, Invalid=482, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:43:52,449 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 293 mSDsluCounter, 1159 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 1302 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:52,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 1302 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:52,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2022-09-16 10:43:52,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 323. [2022-09-16 10:43:52,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 321 states have (on average 1.7476635514018692) internal successors, (561), 322 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:52,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 561 transitions. [2022-09-16 10:43:52,452 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 561 transitions. Word has length 54 [2022-09-16 10:43:52,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:52,452 INFO L495 AbstractCegarLoop]: Abstraction has 323 states and 561 transitions. [2022-09-16 10:43:52,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:52,452 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 561 transitions. [2022-09-16 10:43:52,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:52,453 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:52,453 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:52,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2022-09-16 10:43:52,453 INFO L420 AbstractCegarLoop]: === Iteration 151 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:52,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:52,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1690235917, now seen corresponding path program 16 times [2022-09-16 10:43:52,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:52,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002483648] [2022-09-16 10:43:52,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:52,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:52,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:52,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:52,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:52,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002483648] [2022-09-16 10:43:52,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002483648] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:52,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:52,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:52,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419519067] [2022-09-16 10:43:52,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:52,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:52,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:52,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:52,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:52,706 INFO L87 Difference]: Start difference. First operand 323 states and 561 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:53,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:53,368 INFO L93 Difference]: Finished difference Result 598 states and 1019 transitions. [2022-09-16 10:43:53,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:53,368 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:53,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:53,369 INFO L225 Difference]: With dead ends: 598 [2022-09-16 10:43:53,369 INFO L226 Difference]: Without dead ends: 541 [2022-09-16 10:43:53,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=168, Invalid=482, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:43:53,369 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 313 mSDsluCounter, 1063 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 1213 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:53,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 1213 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:53,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2022-09-16 10:43:53,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 325. [2022-09-16 10:43:53,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 323 states have (on average 1.7461300309597523) internal successors, (564), 324 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:53,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 564 transitions. [2022-09-16 10:43:53,372 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 564 transitions. Word has length 54 [2022-09-16 10:43:53,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:53,372 INFO L495 AbstractCegarLoop]: Abstraction has 325 states and 564 transitions. [2022-09-16 10:43:53,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:53,372 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 564 transitions. [2022-09-16 10:43:53,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:53,373 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:53,373 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:53,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2022-09-16 10:43:53,373 INFO L420 AbstractCegarLoop]: === Iteration 152 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:53,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:53,373 INFO L85 PathProgramCache]: Analyzing trace with hash -382402010, now seen corresponding path program 23 times [2022-09-16 10:43:53,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:53,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393419876] [2022-09-16 10:43:53,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:53,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:53,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:53,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:53,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393419876] [2022-09-16 10:43:53,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393419876] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:53,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:53,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:53,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970432559] [2022-09-16 10:43:53,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:53,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:53,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:53,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:53,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:53,556 INFO L87 Difference]: Start difference. First operand 325 states and 564 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:54,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:54,061 INFO L93 Difference]: Finished difference Result 569 states and 969 transitions. [2022-09-16 10:43:54,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:54,062 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:54,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:54,062 INFO L225 Difference]: With dead ends: 569 [2022-09-16 10:43:54,062 INFO L226 Difference]: Without dead ends: 535 [2022-09-16 10:43:54,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=168, Invalid=482, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:43:54,063 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 283 mSDsluCounter, 990 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:54,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 1116 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:54,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2022-09-16 10:43:54,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 329. [2022-09-16 10:43:54,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 327 states have (on average 1.7339449541284404) internal successors, (567), 328 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:54,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 567 transitions. [2022-09-16 10:43:54,066 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 567 transitions. Word has length 54 [2022-09-16 10:43:54,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:54,066 INFO L495 AbstractCegarLoop]: Abstraction has 329 states and 567 transitions. [2022-09-16 10:43:54,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:54,066 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 567 transitions. [2022-09-16 10:43:54,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:54,066 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:54,066 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:54,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2022-09-16 10:43:54,066 INFO L420 AbstractCegarLoop]: === Iteration 153 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:54,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:54,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1840260454, now seen corresponding path program 24 times [2022-09-16 10:43:54,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:54,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619110734] [2022-09-16 10:43:54,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:54,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:54,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:54,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:54,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619110734] [2022-09-16 10:43:54,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619110734] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:54,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:54,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:54,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627808] [2022-09-16 10:43:54,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:54,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:54,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:54,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:54,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:54,214 INFO L87 Difference]: Start difference. First operand 329 states and 567 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:54,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:54,745 INFO L93 Difference]: Finished difference Result 562 states and 956 transitions. [2022-09-16 10:43:54,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:43:54,746 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:54,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:54,746 INFO L225 Difference]: With dead ends: 562 [2022-09-16 10:43:54,746 INFO L226 Difference]: Without dead ends: 528 [2022-09-16 10:43:54,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:43:54,747 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 266 mSDsluCounter, 982 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 1103 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:54,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 1103 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:54,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2022-09-16 10:43:54,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 330. [2022-09-16 10:43:54,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 328 states have (on average 1.7317073170731707) internal successors, (568), 329 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:54,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 568 transitions. [2022-09-16 10:43:54,750 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 568 transitions. Word has length 54 [2022-09-16 10:43:54,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:54,750 INFO L495 AbstractCegarLoop]: Abstraction has 330 states and 568 transitions. [2022-09-16 10:43:54,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:54,750 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 568 transitions. [2022-09-16 10:43:54,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:54,750 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:54,750 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:54,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2022-09-16 10:43:54,751 INFO L420 AbstractCegarLoop]: === Iteration 154 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:54,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:54,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1056438946, now seen corresponding path program 25 times [2022-09-16 10:43:54,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:54,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541990716] [2022-09-16 10:43:54,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:54,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:54,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:54,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:54,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541990716] [2022-09-16 10:43:54,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541990716] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:54,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:54,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:54,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546202808] [2022-09-16 10:43:54,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:54,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:54,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:54,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:54,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:54,909 INFO L87 Difference]: Start difference. First operand 330 states and 568 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:55,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:55,505 INFO L93 Difference]: Finished difference Result 524 states and 894 transitions. [2022-09-16 10:43:55,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:55,506 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:55,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:55,506 INFO L225 Difference]: With dead ends: 524 [2022-09-16 10:43:55,506 INFO L226 Difference]: Without dead ends: 486 [2022-09-16 10:43:55,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=161, Invalid=489, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:43:55,507 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 224 mSDsluCounter, 1150 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 1274 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:55,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 1274 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:55,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2022-09-16 10:43:55,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 320. [2022-09-16 10:43:55,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 318 states have (on average 1.748427672955975) internal successors, (556), 319 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:55,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 556 transitions. [2022-09-16 10:43:55,509 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 556 transitions. Word has length 54 [2022-09-16 10:43:55,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:55,510 INFO L495 AbstractCegarLoop]: Abstraction has 320 states and 556 transitions. [2022-09-16 10:43:55,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:55,510 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 556 transitions. [2022-09-16 10:43:55,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:55,510 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:55,510 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:55,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2022-09-16 10:43:55,510 INFO L420 AbstractCegarLoop]: === Iteration 155 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:55,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:55,510 INFO L85 PathProgramCache]: Analyzing trace with hash -630796417, now seen corresponding path program 17 times [2022-09-16 10:43:55,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:55,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122222212] [2022-09-16 10:43:55,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:55,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:55,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:55,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:55,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122222212] [2022-09-16 10:43:55,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122222212] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:55,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:55,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:55,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901970277] [2022-09-16 10:43:55,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:55,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:55,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:55,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:55,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:55,661 INFO L87 Difference]: Start difference. First operand 320 states and 556 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:56,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:56,193 INFO L93 Difference]: Finished difference Result 641 states and 1088 transitions. [2022-09-16 10:43:56,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:56,193 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:56,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:56,193 INFO L225 Difference]: With dead ends: 641 [2022-09-16 10:43:56,193 INFO L226 Difference]: Without dead ends: 584 [2022-09-16 10:43:56,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=168, Invalid=482, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:43:56,194 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 366 mSDsluCounter, 1113 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 1263 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:56,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 1263 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:56,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2022-09-16 10:43:56,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 330. [2022-09-16 10:43:56,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 328 states have (on average 1.7378048780487805) internal successors, (570), 329 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:56,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 570 transitions. [2022-09-16 10:43:56,197 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 570 transitions. Word has length 54 [2022-09-16 10:43:56,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:56,197 INFO L495 AbstractCegarLoop]: Abstraction has 330 states and 570 transitions. [2022-09-16 10:43:56,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:56,197 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 570 transitions. [2022-09-16 10:43:56,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:56,197 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:56,198 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:56,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2022-09-16 10:43:56,198 INFO L420 AbstractCegarLoop]: === Iteration 156 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:56,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:56,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1250057273, now seen corresponding path program 18 times [2022-09-16 10:43:56,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:56,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31126821] [2022-09-16 10:43:56,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:56,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:56,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:56,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:56,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31126821] [2022-09-16 10:43:56,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31126821] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:56,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:56,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:56,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943558533] [2022-09-16 10:43:56,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:56,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:56,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:56,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:56,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:56,431 INFO L87 Difference]: Start difference. First operand 330 states and 570 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:56,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:56,960 INFO L93 Difference]: Finished difference Result 541 states and 924 transitions. [2022-09-16 10:43:56,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:56,960 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:56,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:56,961 INFO L225 Difference]: With dead ends: 541 [2022-09-16 10:43:56,961 INFO L226 Difference]: Without dead ends: 489 [2022-09-16 10:43:56,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=161, Invalid=489, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:43:56,961 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 302 mSDsluCounter, 1118 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 1268 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:56,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 1268 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:56,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2022-09-16 10:43:56,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 331. [2022-09-16 10:43:56,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 329 states have (on average 1.7355623100303952) internal successors, (571), 330 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:56,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 571 transitions. [2022-09-16 10:43:56,964 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 571 transitions. Word has length 54 [2022-09-16 10:43:56,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:56,964 INFO L495 AbstractCegarLoop]: Abstraction has 331 states and 571 transitions. [2022-09-16 10:43:56,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:56,964 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 571 transitions. [2022-09-16 10:43:56,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:56,965 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:56,965 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:56,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2022-09-16 10:43:56,965 INFO L420 AbstractCegarLoop]: === Iteration 157 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:56,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:56,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1158048179, now seen corresponding path program 19 times [2022-09-16 10:43:56,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:56,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009322470] [2022-09-16 10:43:56,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:56,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:56,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:57,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:57,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:57,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009322470] [2022-09-16 10:43:57,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009322470] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:57,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:57,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:57,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169849812] [2022-09-16 10:43:57,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:57,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:57,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:57,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:57,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:57,115 INFO L87 Difference]: Start difference. First operand 331 states and 571 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:57,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:57,666 INFO L93 Difference]: Finished difference Result 538 states and 920 transitions. [2022-09-16 10:43:57,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:43:57,666 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:57,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:57,666 INFO L225 Difference]: With dead ends: 538 [2022-09-16 10:43:57,666 INFO L226 Difference]: Without dead ends: 470 [2022-09-16 10:43:57,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=183, Invalid=519, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:43:57,667 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 313 mSDsluCounter, 1106 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 1256 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:57,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 1256 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:57,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2022-09-16 10:43:57,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 325. [2022-09-16 10:43:57,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 323 states have (on average 1.7461300309597523) internal successors, (564), 324 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:57,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 564 transitions. [2022-09-16 10:43:57,671 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 564 transitions. Word has length 54 [2022-09-16 10:43:57,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:57,671 INFO L495 AbstractCegarLoop]: Abstraction has 325 states and 564 transitions. [2022-09-16 10:43:57,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:57,671 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 564 transitions. [2022-09-16 10:43:57,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:57,671 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:57,671 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:57,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2022-09-16 10:43:57,671 INFO L420 AbstractCegarLoop]: === Iteration 158 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:57,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:57,672 INFO L85 PathProgramCache]: Analyzing trace with hash 2033641540, now seen corresponding path program 26 times [2022-09-16 10:43:57,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:57,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080145415] [2022-09-16 10:43:57,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:57,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:57,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:57,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:57,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080145415] [2022-09-16 10:43:57,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080145415] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:57,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:57,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:57,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317813063] [2022-09-16 10:43:57,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:57,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:57,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:57,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:57,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:57,919 INFO L87 Difference]: Start difference. First operand 325 states and 564 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:58,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:58,728 INFO L93 Difference]: Finished difference Result 503 states and 854 transitions. [2022-09-16 10:43:58,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:58,729 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:58,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:58,729 INFO L225 Difference]: With dead ends: 503 [2022-09-16 10:43:58,729 INFO L226 Difference]: Without dead ends: 468 [2022-09-16 10:43:58,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=168, Invalid=482, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:43:58,730 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 307 mSDsluCounter, 1035 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 1161 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:58,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 1161 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:43:58,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2022-09-16 10:43:58,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 323. [2022-09-16 10:43:58,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 321 states have (on average 1.7476635514018692) internal successors, (561), 322 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:58,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 561 transitions. [2022-09-16 10:43:58,734 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 561 transitions. Word has length 54 [2022-09-16 10:43:58,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:58,734 INFO L495 AbstractCegarLoop]: Abstraction has 323 states and 561 transitions. [2022-09-16 10:43:58,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:58,734 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 561 transitions. [2022-09-16 10:43:58,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:58,734 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:58,734 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:58,734 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2022-09-16 10:43:58,735 INFO L420 AbstractCegarLoop]: === Iteration 159 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:58,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:58,735 INFO L85 PathProgramCache]: Analyzing trace with hash -2130967061, now seen corresponding path program 20 times [2022-09-16 10:43:58,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:58,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527379464] [2022-09-16 10:43:58,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:58,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:58,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:58,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:58,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527379464] [2022-09-16 10:43:58,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527379464] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:58,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:58,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:43:58,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159533672] [2022-09-16 10:43:58,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:58,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:43:58,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:58,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:43:58,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:43:58,988 INFO L87 Difference]: Start difference. First operand 323 states and 561 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:59,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:59,789 INFO L93 Difference]: Finished difference Result 577 states and 978 transitions. [2022-09-16 10:43:59,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:59,790 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:43:59,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:59,791 INFO L225 Difference]: With dead ends: 577 [2022-09-16 10:43:59,791 INFO L226 Difference]: Without dead ends: 520 [2022-09-16 10:43:59,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=168, Invalid=482, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:43:59,791 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 402 mSDsluCounter, 979 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 1112 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:59,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 1112 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:43:59,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2022-09-16 10:43:59,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 325. [2022-09-16 10:43:59,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 323 states have (on average 1.7461300309597523) internal successors, (564), 324 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:59,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 564 transitions. [2022-09-16 10:43:59,795 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 564 transitions. Word has length 54 [2022-09-16 10:43:59,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:59,796 INFO L495 AbstractCegarLoop]: Abstraction has 325 states and 564 transitions. [2022-09-16 10:43:59,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:59,796 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 564 transitions. [2022-09-16 10:43:59,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:43:59,796 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:59,796 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:59,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2022-09-16 10:43:59,796 INFO L420 AbstractCegarLoop]: === Iteration 160 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:43:59,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:59,797 INFO L85 PathProgramCache]: Analyzing trace with hash -823133154, now seen corresponding path program 27 times [2022-09-16 10:43:59,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:59,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175071394] [2022-09-16 10:43:59,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:59,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:00,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:00,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:00,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175071394] [2022-09-16 10:44:00,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175071394] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:00,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:00,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:00,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616756097] [2022-09-16 10:44:00,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:00,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:00,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:00,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:00,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:00,034 INFO L87 Difference]: Start difference. First operand 325 states and 564 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:00,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:00,877 INFO L93 Difference]: Finished difference Result 548 states and 928 transitions. [2022-09-16 10:44:00,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:00,878 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:00,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:00,879 INFO L225 Difference]: With dead ends: 548 [2022-09-16 10:44:00,879 INFO L226 Difference]: Without dead ends: 514 [2022-09-16 10:44:00,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=168, Invalid=482, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:00,879 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 276 mSDsluCounter, 1141 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 1267 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:00,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 1267 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:44:00,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2022-09-16 10:44:00,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 329. [2022-09-16 10:44:00,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 327 states have (on average 1.7339449541284404) internal successors, (567), 328 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:00,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 567 transitions. [2022-09-16 10:44:00,883 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 567 transitions. Word has length 54 [2022-09-16 10:44:00,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:00,883 INFO L495 AbstractCegarLoop]: Abstraction has 329 states and 567 transitions. [2022-09-16 10:44:00,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:00,884 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 567 transitions. [2022-09-16 10:44:00,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:00,884 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:00,884 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:00,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2022-09-16 10:44:00,884 INFO L420 AbstractCegarLoop]: === Iteration 161 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:00,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:00,884 INFO L85 PathProgramCache]: Analyzing trace with hash 2013975698, now seen corresponding path program 28 times [2022-09-16 10:44:00,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:00,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261494094] [2022-09-16 10:44:00,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:00,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:01,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:01,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:01,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261494094] [2022-09-16 10:44:01,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261494094] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:01,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:01,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:01,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833943476] [2022-09-16 10:44:01,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:01,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:01,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:01,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:01,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:01,113 INFO L87 Difference]: Start difference. First operand 329 states and 567 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:02,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:02,005 INFO L93 Difference]: Finished difference Result 541 states and 915 transitions. [2022-09-16 10:44:02,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:44:02,006 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:02,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:02,006 INFO L225 Difference]: With dead ends: 541 [2022-09-16 10:44:02,006 INFO L226 Difference]: Without dead ends: 507 [2022-09-16 10:44:02,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:44:02,007 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 253 mSDsluCounter, 1128 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 1249 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:02,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 1249 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:44:02,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2022-09-16 10:44:02,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 330. [2022-09-16 10:44:02,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 328 states have (on average 1.7317073170731707) internal successors, (568), 329 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:02,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 568 transitions. [2022-09-16 10:44:02,011 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 568 transitions. Word has length 54 [2022-09-16 10:44:02,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:02,011 INFO L495 AbstractCegarLoop]: Abstraction has 330 states and 568 transitions. [2022-09-16 10:44:02,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:02,011 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 568 transitions. [2022-09-16 10:44:02,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:02,011 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:02,011 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:02,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2022-09-16 10:44:02,012 INFO L420 AbstractCegarLoop]: === Iteration 162 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:02,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:02,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1497170090, now seen corresponding path program 29 times [2022-09-16 10:44:02,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:02,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267847428] [2022-09-16 10:44:02,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:02,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:02,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:02,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:02,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267847428] [2022-09-16 10:44:02,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267847428] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:02,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:02,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:02,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24778568] [2022-09-16 10:44:02,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:02,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:02,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:02,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:02,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:02,253 INFO L87 Difference]: Start difference. First operand 330 states and 568 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:03,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:03,060 INFO L93 Difference]: Finished difference Result 503 states and 853 transitions. [2022-09-16 10:44:03,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:03,060 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:03,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:03,061 INFO L225 Difference]: With dead ends: 503 [2022-09-16 10:44:03,061 INFO L226 Difference]: Without dead ends: 467 [2022-09-16 10:44:03,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=161, Invalid=489, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:03,061 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 276 mSDsluCounter, 1027 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 1151 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:03,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 1151 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:44:03,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2022-09-16 10:44:03,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 322. [2022-09-16 10:44:03,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 320 states have (on average 1.746875) internal successors, (559), 321 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:03,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 559 transitions. [2022-09-16 10:44:03,065 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 559 transitions. Word has length 54 [2022-09-16 10:44:03,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:03,065 INFO L495 AbstractCegarLoop]: Abstraction has 322 states and 559 transitions. [2022-09-16 10:44:03,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:03,065 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 559 transitions. [2022-09-16 10:44:03,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:03,066 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:03,066 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:03,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2022-09-16 10:44:03,066 INFO L420 AbstractCegarLoop]: === Iteration 163 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:03,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:03,066 INFO L85 PathProgramCache]: Analyzing trace with hash -191468395, now seen corresponding path program 21 times [2022-09-16 10:44:03,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:03,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027722485] [2022-09-16 10:44:03,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:03,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:03,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:03,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:03,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027722485] [2022-09-16 10:44:03,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027722485] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:03,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:03,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:03,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98019742] [2022-09-16 10:44:03,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:03,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:03,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:03,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:03,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:03,317 INFO L87 Difference]: Start difference. First operand 322 states and 559 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:04,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:04,126 INFO L93 Difference]: Finished difference Result 459 states and 787 transitions. [2022-09-16 10:44:04,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:04,127 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:04,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:04,127 INFO L225 Difference]: With dead ends: 459 [2022-09-16 10:44:04,127 INFO L226 Difference]: Without dead ends: 402 [2022-09-16 10:44:04,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=168, Invalid=482, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:04,128 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 275 mSDsluCounter, 1018 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 1148 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:04,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 1148 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:44:04,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2022-09-16 10:44:04,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 326. [2022-09-16 10:44:04,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 324 states have (on average 1.7469135802469136) internal successors, (566), 325 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:04,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 566 transitions. [2022-09-16 10:44:04,131 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 566 transitions. Word has length 54 [2022-09-16 10:44:04,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:04,132 INFO L495 AbstractCegarLoop]: Abstraction has 326 states and 566 transitions. [2022-09-16 10:44:04,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:04,132 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 566 transitions. [2022-09-16 10:44:04,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:04,132 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:04,132 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:04,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2022-09-16 10:44:04,132 INFO L420 AbstractCegarLoop]: === Iteration 164 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:04,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:04,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1116365512, now seen corresponding path program 30 times [2022-09-16 10:44:04,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:04,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438464543] [2022-09-16 10:44:04,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:04,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:04,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:04,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:04,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438464543] [2022-09-16 10:44:04,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438464543] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:04,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:04,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:04,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266694645] [2022-09-16 10:44:04,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:04,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:04,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:04,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:04,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:04,388 INFO L87 Difference]: Start difference. First operand 326 states and 566 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:05,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:05,193 INFO L93 Difference]: Finished difference Result 430 states and 737 transitions. [2022-09-16 10:44:05,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:05,193 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:05,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:05,194 INFO L225 Difference]: With dead ends: 430 [2022-09-16 10:44:05,194 INFO L226 Difference]: Without dead ends: 396 [2022-09-16 10:44:05,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=168, Invalid=482, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:05,194 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 267 mSDsluCounter, 936 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 1042 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:05,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 1042 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:44:05,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2022-09-16 10:44:05,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 340. [2022-09-16 10:44:05,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 338 states have (on average 1.742603550295858) internal successors, (589), 339 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:05,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 589 transitions. [2022-09-16 10:44:05,198 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 589 transitions. Word has length 54 [2022-09-16 10:44:05,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:05,198 INFO L495 AbstractCegarLoop]: Abstraction has 340 states and 589 transitions. [2022-09-16 10:44:05,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:05,198 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 589 transitions. [2022-09-16 10:44:05,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:05,199 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:05,199 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:05,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2022-09-16 10:44:05,199 INFO L420 AbstractCegarLoop]: === Iteration 165 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:05,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:05,199 INFO L85 PathProgramCache]: Analyzing trace with hash -341492932, now seen corresponding path program 31 times [2022-09-16 10:44:05,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:05,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612925964] [2022-09-16 10:44:05,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:05,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:05,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:05,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:05,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612925964] [2022-09-16 10:44:05,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612925964] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:05,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:05,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:05,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020385611] [2022-09-16 10:44:05,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:05,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:05,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:05,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:05,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:05,432 INFO L87 Difference]: Start difference. First operand 340 states and 589 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:06,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:06,286 INFO L93 Difference]: Finished difference Result 463 states and 788 transitions. [2022-09-16 10:44:06,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:44:06,286 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:06,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:06,287 INFO L225 Difference]: With dead ends: 463 [2022-09-16 10:44:06,287 INFO L226 Difference]: Without dead ends: 429 [2022-09-16 10:44:06,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:44:06,288 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 266 mSDsluCounter, 855 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 956 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:06,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 956 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:06,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2022-09-16 10:44:06,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 341. [2022-09-16 10:44:06,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 339 states have (on average 1.7404129793510323) internal successors, (590), 340 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:06,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 590 transitions. [2022-09-16 10:44:06,291 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 590 transitions. Word has length 54 [2022-09-16 10:44:06,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:06,292 INFO L495 AbstractCegarLoop]: Abstraction has 341 states and 590 transitions. [2022-09-16 10:44:06,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:06,292 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 590 transitions. [2022-09-16 10:44:06,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:06,292 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:06,292 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:06,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2022-09-16 10:44:06,292 INFO L420 AbstractCegarLoop]: === Iteration 166 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:06,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:06,293 INFO L85 PathProgramCache]: Analyzing trace with hash 442328576, now seen corresponding path program 32 times [2022-09-16 10:44:06,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:06,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184386436] [2022-09-16 10:44:06,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:06,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:06,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:06,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:06,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184386436] [2022-09-16 10:44:06,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184386436] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:06,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:06,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:06,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316810054] [2022-09-16 10:44:06,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:06,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:06,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:06,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:06,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:06,546 INFO L87 Difference]: Start difference. First operand 341 states and 590 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:07,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:07,345 INFO L93 Difference]: Finished difference Result 425 states and 726 transitions. [2022-09-16 10:44:07,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:07,346 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:07,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:07,346 INFO L225 Difference]: With dead ends: 425 [2022-09-16 10:44:07,346 INFO L226 Difference]: Without dead ends: 390 [2022-09-16 10:44:07,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=161, Invalid=489, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:07,347 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 258 mSDsluCounter, 831 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 933 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:07,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 933 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:44:07,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2022-09-16 10:44:07,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 334. [2022-09-16 10:44:07,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 332 states have (on average 1.7379518072289157) internal successors, (577), 333 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:07,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 577 transitions. [2022-09-16 10:44:07,350 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 577 transitions. Word has length 54 [2022-09-16 10:44:07,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:07,351 INFO L495 AbstractCegarLoop]: Abstraction has 334 states and 577 transitions. [2022-09-16 10:44:07,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:07,351 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 577 transitions. [2022-09-16 10:44:07,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:07,351 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:07,351 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:07,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2022-09-16 10:44:07,351 INFO L420 AbstractCegarLoop]: === Iteration 167 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:07,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:07,352 INFO L85 PathProgramCache]: Analyzing trace with hash 333377286, now seen corresponding path program 33 times [2022-09-16 10:44:07,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:07,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902012856] [2022-09-16 10:44:07,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:07,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:07,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:07,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:07,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902012856] [2022-09-16 10:44:07,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902012856] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:07,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:07,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:07,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495354367] [2022-09-16 10:44:07,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:07,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:07,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:07,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:07,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:07,579 INFO L87 Difference]: Start difference. First operand 334 states and 577 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:08,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:08,472 INFO L93 Difference]: Finished difference Result 424 states and 725 transitions. [2022-09-16 10:44:08,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 10:44:08,473 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:08,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:08,473 INFO L225 Difference]: With dead ends: 424 [2022-09-16 10:44:08,473 INFO L226 Difference]: Without dead ends: 376 [2022-09-16 10:44:08,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=199, Invalid=557, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:44:08,474 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 256 mSDsluCounter, 893 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:08,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 993 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:44:08,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2022-09-16 10:44:08,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 336. [2022-09-16 10:44:08,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 334 states have (on average 1.7335329341317365) internal successors, (579), 335 states have internal predecessors, (579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:08,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 579 transitions. [2022-09-16 10:44:08,477 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 579 transitions. Word has length 54 [2022-09-16 10:44:08,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:08,478 INFO L495 AbstractCegarLoop]: Abstraction has 336 states and 579 transitions. [2022-09-16 10:44:08,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:08,478 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 579 transitions. [2022-09-16 10:44:08,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:08,478 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:08,478 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:08,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2022-09-16 10:44:08,478 INFO L420 AbstractCegarLoop]: === Iteration 168 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:08,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:08,479 INFO L85 PathProgramCache]: Analyzing trace with hash -2014111612, now seen corresponding path program 34 times [2022-09-16 10:44:08,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:08,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880343433] [2022-09-16 10:44:08,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:08,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:08,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:08,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:08,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880343433] [2022-09-16 10:44:08,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880343433] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:08,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:08,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:08,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240765767] [2022-09-16 10:44:08,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:08,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:08,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:08,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:08,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:08,716 INFO L87 Difference]: Start difference. First operand 336 states and 579 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:09,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:09,572 INFO L93 Difference]: Finished difference Result 403 states and 684 transitions. [2022-09-16 10:44:09,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:44:09,572 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:09,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:09,573 INFO L225 Difference]: With dead ends: 403 [2022-09-16 10:44:09,573 INFO L226 Difference]: Without dead ends: 369 [2022-09-16 10:44:09,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=176, Invalid=526, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:44:09,573 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 218 mSDsluCounter, 902 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:09,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 1002 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:09,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2022-09-16 10:44:09,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 337. [2022-09-16 10:44:09,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 335 states have (on average 1.7313432835820894) internal successors, (580), 336 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:09,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 580 transitions. [2022-09-16 10:44:09,577 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 580 transitions. Word has length 54 [2022-09-16 10:44:09,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:09,577 INFO L495 AbstractCegarLoop]: Abstraction has 337 states and 580 transitions. [2022-09-16 10:44:09,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:09,577 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 580 transitions. [2022-09-16 10:44:09,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:09,578 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:09,578 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:09,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2022-09-16 10:44:09,578 INFO L420 AbstractCegarLoop]: === Iteration 169 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:09,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:09,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1230290104, now seen corresponding path program 35 times [2022-09-16 10:44:09,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:09,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071046390] [2022-09-16 10:44:09,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:09,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:09,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:09,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:09,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071046390] [2022-09-16 10:44:09,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071046390] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:09,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:09,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:09,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762644611] [2022-09-16 10:44:09,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:09,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:09,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:09,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:09,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:09,837 INFO L87 Difference]: Start difference. First operand 337 states and 580 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:10,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:10,572 INFO L93 Difference]: Finished difference Result 365 states and 622 transitions. [2022-09-16 10:44:10,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:10,573 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:10,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:10,573 INFO L225 Difference]: With dead ends: 365 [2022-09-16 10:44:10,573 INFO L226 Difference]: Without dead ends: 308 [2022-09-16 10:44:10,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=155, Invalid=495, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:10,573 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 175 mSDsluCounter, 799 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:10,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 895 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:10,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2022-09-16 10:44:10,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 308. [2022-09-16 10:44:10,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 306 states have (on average 1.7450980392156863) internal successors, (534), 307 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:10,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 534 transitions. [2022-09-16 10:44:10,577 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 534 transitions. Word has length 54 [2022-09-16 10:44:10,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:10,577 INFO L495 AbstractCegarLoop]: Abstraction has 308 states and 534 transitions. [2022-09-16 10:44:10,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:10,577 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 534 transitions. [2022-09-16 10:44:10,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:10,577 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:10,577 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:10,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2022-09-16 10:44:10,578 INFO L420 AbstractCegarLoop]: === Iteration 170 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:10,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:10,578 INFO L85 PathProgramCache]: Analyzing trace with hash 47530881, now seen corresponding path program 22 times [2022-09-16 10:44:10,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:10,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302713542] [2022-09-16 10:44:10,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:10,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:10,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:10,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:10,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302713542] [2022-09-16 10:44:10,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302713542] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:10,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:10,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:10,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737356053] [2022-09-16 10:44:10,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:10,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:10,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:10,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:10,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:10,816 INFO L87 Difference]: Start difference. First operand 308 states and 534 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:11,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:11,584 INFO L93 Difference]: Finished difference Result 655 states and 1117 transitions. [2022-09-16 10:44:11,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:11,584 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:11,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:11,585 INFO L225 Difference]: With dead ends: 655 [2022-09-16 10:44:11,585 INFO L226 Difference]: Without dead ends: 598 [2022-09-16 10:44:11,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=168, Invalid=482, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:11,586 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 346 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 1132 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:11,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 1132 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:44:11,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2022-09-16 10:44:11,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 329. [2022-09-16 10:44:11,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 327 states have (on average 1.7431192660550459) internal successors, (570), 328 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:11,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 570 transitions. [2022-09-16 10:44:11,590 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 570 transitions. Word has length 54 [2022-09-16 10:44:11,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:11,591 INFO L495 AbstractCegarLoop]: Abstraction has 329 states and 570 transitions. [2022-09-16 10:44:11,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:11,591 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 570 transitions. [2022-09-16 10:44:11,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:11,591 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:11,591 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:11,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2022-09-16 10:44:11,591 INFO L420 AbstractCegarLoop]: === Iteration 171 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:11,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:11,592 INFO L85 PathProgramCache]: Analyzing trace with hash -571729975, now seen corresponding path program 23 times [2022-09-16 10:44:11,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:11,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913176146] [2022-09-16 10:44:11,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:11,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:11,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:11,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:11,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913176146] [2022-09-16 10:44:11,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913176146] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:11,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:11,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:11,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982335390] [2022-09-16 10:44:11,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:11,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:11,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:11,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:11,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:11,832 INFO L87 Difference]: Start difference. First operand 329 states and 570 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:12,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:12,620 INFO L93 Difference]: Finished difference Result 655 states and 1114 transitions. [2022-09-16 10:44:12,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:12,620 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:12,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:12,621 INFO L225 Difference]: With dead ends: 655 [2022-09-16 10:44:12,621 INFO L226 Difference]: Without dead ends: 603 [2022-09-16 10:44:12,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=161, Invalid=489, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:12,621 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 267 mSDsluCounter, 1073 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 1216 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:12,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 1216 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:44:12,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2022-09-16 10:44:12,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 330. [2022-09-16 10:44:12,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 328 states have (on average 1.7408536585365855) internal successors, (571), 329 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:12,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 571 transitions. [2022-09-16 10:44:12,626 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 571 transitions. Word has length 54 [2022-09-16 10:44:12,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:12,626 INFO L495 AbstractCegarLoop]: Abstraction has 330 states and 571 transitions. [2022-09-16 10:44:12,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:12,627 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 571 transitions. [2022-09-16 10:44:12,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:12,627 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:12,627 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:12,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2022-09-16 10:44:12,627 INFO L420 AbstractCegarLoop]: === Iteration 172 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:12,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:12,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1836375477, now seen corresponding path program 24 times [2022-09-16 10:44:12,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:12,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817691110] [2022-09-16 10:44:12,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:12,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:12,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:12,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:12,866 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817691110] [2022-09-16 10:44:12,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817691110] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:12,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:12,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:12,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564156011] [2022-09-16 10:44:12,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:12,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:12,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:12,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:12,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:12,867 INFO L87 Difference]: Start difference. First operand 330 states and 571 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:13,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:13,510 INFO L93 Difference]: Finished difference Result 661 states and 1127 transitions. [2022-09-16 10:44:13,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:44:13,510 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:13,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:13,511 INFO L225 Difference]: With dead ends: 661 [2022-09-16 10:44:13,511 INFO L226 Difference]: Without dead ends: 593 [2022-09-16 10:44:13,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=183, Invalid=519, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:44:13,512 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 285 mSDsluCounter, 1062 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 1205 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:13,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 1205 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:13,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2022-09-16 10:44:13,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 324. [2022-09-16 10:44:13,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 324 states, 322 states have (on average 1.736024844720497) internal successors, (559), 323 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:13,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 559 transitions. [2022-09-16 10:44:13,516 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 559 transitions. Word has length 54 [2022-09-16 10:44:13,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:13,516 INFO L495 AbstractCegarLoop]: Abstraction has 324 states and 559 transitions. [2022-09-16 10:44:13,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:13,516 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 559 transitions. [2022-09-16 10:44:13,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:13,517 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:13,517 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:13,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2022-09-16 10:44:13,517 INFO L420 AbstractCegarLoop]: === Iteration 173 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:13,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:13,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1066403073, now seen corresponding path program 25 times [2022-09-16 10:44:13,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:13,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737261689] [2022-09-16 10:44:13,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:13,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:13,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:13,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:13,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737261689] [2022-09-16 10:44:13,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737261689] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:13,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:13,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:13,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064836655] [2022-09-16 10:44:13,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:13,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:13,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:13,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:13,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:13,711 INFO L87 Difference]: Start difference. First operand 324 states and 559 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:14,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:14,260 INFO L93 Difference]: Finished difference Result 541 states and 925 transitions. [2022-09-16 10:44:14,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:14,261 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:14,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:14,261 INFO L225 Difference]: With dead ends: 541 [2022-09-16 10:44:14,261 INFO L226 Difference]: Without dead ends: 489 [2022-09-16 10:44:14,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=155, Invalid=495, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:14,262 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 225 mSDsluCounter, 942 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 1076 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:14,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 1076 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:14,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2022-09-16 10:44:14,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 327. [2022-09-16 10:44:14,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 325 states have (on average 1.7353846153846153) internal successors, (564), 326 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:14,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 564 transitions. [2022-09-16 10:44:14,266 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 564 transitions. Word has length 54 [2022-09-16 10:44:14,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:14,266 INFO L495 AbstractCegarLoop]: Abstraction has 327 states and 564 transitions. [2022-09-16 10:44:14,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:14,266 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 564 transitions. [2022-09-16 10:44:14,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:14,267 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:14,267 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:14,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2022-09-16 10:44:14,267 INFO L420 AbstractCegarLoop]: === Iteration 174 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:14,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:14,267 INFO L85 PathProgramCache]: Analyzing trace with hash -820458771, now seen corresponding path program 26 times [2022-09-16 10:44:14,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:14,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841504299] [2022-09-16 10:44:14,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:14,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:14,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:14,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:14,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841504299] [2022-09-16 10:44:14,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841504299] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:14,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:14,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:14,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455816150] [2022-09-16 10:44:14,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:14,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:14,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:14,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:14,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:14,458 INFO L87 Difference]: Start difference. First operand 327 states and 564 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:15,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:15,118 INFO L93 Difference]: Finished difference Result 551 states and 944 transitions. [2022-09-16 10:44:15,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:44:15,118 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:15,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:15,118 INFO L225 Difference]: With dead ends: 551 [2022-09-16 10:44:15,118 INFO L226 Difference]: Without dead ends: 488 [2022-09-16 10:44:15,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=174, Invalid=528, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:44:15,119 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 240 mSDsluCounter, 977 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 1119 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:15,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 1119 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:15,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2022-09-16 10:44:15,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 326. [2022-09-16 10:44:15,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 324 states have (on average 1.7345679012345678) internal successors, (562), 325 states have internal predecessors, (562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:15,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 562 transitions. [2022-09-16 10:44:15,122 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 562 transitions. Word has length 54 [2022-09-16 10:44:15,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:15,122 INFO L495 AbstractCegarLoop]: Abstraction has 326 states and 562 transitions. [2022-09-16 10:44:15,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:15,122 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 562 transitions. [2022-09-16 10:44:15,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:15,122 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:15,122 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:15,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2022-09-16 10:44:15,122 INFO L420 AbstractCegarLoop]: === Iteration 175 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:15,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:15,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1542063905, now seen corresponding path program 27 times [2022-09-16 10:44:15,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:15,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879614062] [2022-09-16 10:44:15,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:15,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:15,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:15,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:15,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879614062] [2022-09-16 10:44:15,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879614062] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:15,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:15,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:15,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054145337] [2022-09-16 10:44:15,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:15,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:15,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:15,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:15,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:15,274 INFO L87 Difference]: Start difference. First operand 326 states and 562 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:15,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:15,797 INFO L93 Difference]: Finished difference Result 546 states and 936 transitions. [2022-09-16 10:44:15,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 10:44:15,797 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:15,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:15,797 INFO L225 Difference]: With dead ends: 546 [2022-09-16 10:44:15,798 INFO L226 Difference]: Without dead ends: 450 [2022-09-16 10:44:15,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=197, Invalid=559, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:44:15,798 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 264 mSDsluCounter, 889 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 1032 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:15,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 1032 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:15,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2022-09-16 10:44:15,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 314. [2022-09-16 10:44:15,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 312 states have (on average 1.7371794871794872) internal successors, (542), 313 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:15,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 542 transitions. [2022-09-16 10:44:15,801 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 542 transitions. Word has length 54 [2022-09-16 10:44:15,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:15,801 INFO L495 AbstractCegarLoop]: Abstraction has 314 states and 542 transitions. [2022-09-16 10:44:15,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:15,801 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 542 transitions. [2022-09-16 10:44:15,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:15,801 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:15,801 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:15,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2022-09-16 10:44:15,801 INFO L420 AbstractCegarLoop]: === Iteration 176 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:15,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:15,802 INFO L85 PathProgramCache]: Analyzing trace with hash -770603836, now seen corresponding path program 36 times [2022-09-16 10:44:15,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:15,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431170653] [2022-09-16 10:44:15,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:15,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:15,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:15,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:15,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431170653] [2022-09-16 10:44:15,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431170653] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:15,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:15,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:15,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80093565] [2022-09-16 10:44:15,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:15,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:15,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:15,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:15,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:15,951 INFO L87 Difference]: Start difference. First operand 314 states and 542 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:16,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:16,443 INFO L93 Difference]: Finished difference Result 483 states and 815 transitions. [2022-09-16 10:44:16,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:16,444 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:16,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:16,444 INFO L225 Difference]: With dead ends: 483 [2022-09-16 10:44:16,444 INFO L226 Difference]: Without dead ends: 446 [2022-09-16 10:44:16,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=168, Invalid=482, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:16,445 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 257 mSDsluCounter, 1088 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 1211 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:16,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 1211 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:16,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2022-09-16 10:44:16,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 310. [2022-09-16 10:44:16,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 308 states have (on average 1.7402597402597402) internal successors, (536), 309 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:16,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 536 transitions. [2022-09-16 10:44:16,447 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 536 transitions. Word has length 54 [2022-09-16 10:44:16,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:16,447 INFO L495 AbstractCegarLoop]: Abstraction has 310 states and 536 transitions. [2022-09-16 10:44:16,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:16,448 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 536 transitions. [2022-09-16 10:44:16,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:16,451 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:16,451 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:16,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2022-09-16 10:44:16,451 INFO L420 AbstractCegarLoop]: === Iteration 177 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:16,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:16,452 INFO L85 PathProgramCache]: Analyzing trace with hash 593948641, now seen corresponding path program 28 times [2022-09-16 10:44:16,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:16,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302774140] [2022-09-16 10:44:16,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:16,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:16,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:16,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:16,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302774140] [2022-09-16 10:44:16,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302774140] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:16,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:16,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:16,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983839782] [2022-09-16 10:44:16,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:16,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:16,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:16,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:16,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:16,695 INFO L87 Difference]: Start difference. First operand 310 states and 536 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:17,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:17,478 INFO L93 Difference]: Finished difference Result 737 states and 1236 transitions. [2022-09-16 10:44:17,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:17,478 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:17,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:17,479 INFO L225 Difference]: With dead ends: 737 [2022-09-16 10:44:17,479 INFO L226 Difference]: Without dead ends: 680 [2022-09-16 10:44:17,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=168, Invalid=482, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:17,479 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 313 mSDsluCounter, 1186 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 1332 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:17,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 1332 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:44:17,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2022-09-16 10:44:17,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 318. [2022-09-16 10:44:17,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 316 states have (on average 1.7278481012658229) internal successors, (546), 317 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:17,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 546 transitions. [2022-09-16 10:44:17,482 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 546 transitions. Word has length 54 [2022-09-16 10:44:17,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:17,482 INFO L495 AbstractCegarLoop]: Abstraction has 318 states and 546 transitions. [2022-09-16 10:44:17,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:17,482 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 546 transitions. [2022-09-16 10:44:17,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:17,483 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:17,483 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:17,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2022-09-16 10:44:17,483 INFO L420 AbstractCegarLoop]: === Iteration 178 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:17,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:17,483 INFO L85 PathProgramCache]: Analyzing trace with hash -25312215, now seen corresponding path program 29 times [2022-09-16 10:44:17,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:17,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244434661] [2022-09-16 10:44:17,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:17,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:17,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:17,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:17,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244434661] [2022-09-16 10:44:17,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244434661] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:17,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:17,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:17,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139443644] [2022-09-16 10:44:17,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:17,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:17,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:17,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:17,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:17,630 INFO L87 Difference]: Start difference. First operand 318 states and 546 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:18,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:18,118 INFO L93 Difference]: Finished difference Result 637 states and 1072 transitions. [2022-09-16 10:44:18,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:18,118 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:18,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:18,119 INFO L225 Difference]: With dead ends: 637 [2022-09-16 10:44:18,119 INFO L226 Difference]: Without dead ends: 585 [2022-09-16 10:44:18,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=161, Invalid=489, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:18,119 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 304 mSDsluCounter, 1103 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 1249 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:18,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 1249 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:18,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2022-09-16 10:44:18,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 319. [2022-09-16 10:44:18,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 317 states have (on average 1.725552050473186) internal successors, (547), 318 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:18,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 547 transitions. [2022-09-16 10:44:18,128 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 547 transitions. Word has length 54 [2022-09-16 10:44:18,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:18,128 INFO L495 AbstractCegarLoop]: Abstraction has 319 states and 547 transitions. [2022-09-16 10:44:18,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:18,128 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 547 transitions. [2022-09-16 10:44:18,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:18,128 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:18,129 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:18,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2022-09-16 10:44:18,129 INFO L420 AbstractCegarLoop]: === Iteration 179 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:18,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:18,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1912174059, now seen corresponding path program 30 times [2022-09-16 10:44:18,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:18,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621419473] [2022-09-16 10:44:18,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:18,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:18,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:18,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:18,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:18,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621419473] [2022-09-16 10:44:18,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621419473] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:18,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:18,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:18,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109586982] [2022-09-16 10:44:18,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:18,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:18,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:18,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:18,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:18,273 INFO L87 Difference]: Start difference. First operand 319 states and 547 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:18,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:18,806 INFO L93 Difference]: Finished difference Result 634 states and 1068 transitions. [2022-09-16 10:44:18,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:44:18,806 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:18,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:18,807 INFO L225 Difference]: With dead ends: 634 [2022-09-16 10:44:18,807 INFO L226 Difference]: Without dead ends: 566 [2022-09-16 10:44:18,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=183, Invalid=519, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:44:18,807 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 277 mSDsluCounter, 1094 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 1240 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:18,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 1240 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:18,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2022-09-16 10:44:18,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 313. [2022-09-16 10:44:18,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 311 states have (on average 1.7363344051446945) internal successors, (540), 312 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:18,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 540 transitions. [2022-09-16 10:44:18,810 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 540 transitions. Word has length 54 [2022-09-16 10:44:18,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:18,810 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 540 transitions. [2022-09-16 10:44:18,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:18,810 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 540 transitions. [2022-09-16 10:44:18,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:18,811 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:18,811 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:18,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2022-09-16 10:44:18,811 INFO L420 AbstractCegarLoop]: === Iteration 180 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:18,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:18,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1036580698, now seen corresponding path program 37 times [2022-09-16 10:44:18,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:18,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163770851] [2022-09-16 10:44:18,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:18,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:18,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:18,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:18,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163770851] [2022-09-16 10:44:18,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163770851] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:18,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:18,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:18,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995476213] [2022-09-16 10:44:18,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:18,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:18,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:18,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:18,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:18,956 INFO L87 Difference]: Start difference. First operand 313 states and 540 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:19,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:19,417 INFO L93 Difference]: Finished difference Result 599 states and 1002 transitions. [2022-09-16 10:44:19,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:19,418 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:19,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:19,418 INFO L225 Difference]: With dead ends: 599 [2022-09-16 10:44:19,418 INFO L226 Difference]: Without dead ends: 564 [2022-09-16 10:44:19,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=168, Invalid=482, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:19,418 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 308 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 1124 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:19,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 1124 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:19,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2022-09-16 10:44:19,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 311. [2022-09-16 10:44:19,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 309 states have (on average 1.7378640776699028) internal successors, (537), 310 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:19,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 537 transitions. [2022-09-16 10:44:19,422 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 537 transitions. Word has length 54 [2022-09-16 10:44:19,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:19,422 INFO L495 AbstractCegarLoop]: Abstraction has 311 states and 537 transitions. [2022-09-16 10:44:19,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:19,422 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 537 transitions. [2022-09-16 10:44:19,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:19,422 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:19,422 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:19,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2022-09-16 10:44:19,422 INFO L420 AbstractCegarLoop]: === Iteration 181 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:19,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:19,422 INFO L85 PathProgramCache]: Analyzing trace with hash -906222003, now seen corresponding path program 31 times [2022-09-16 10:44:19,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:19,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252707467] [2022-09-16 10:44:19,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:19,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:19,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:19,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:19,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252707467] [2022-09-16 10:44:19,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252707467] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:19,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:19,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:19,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521848180] [2022-09-16 10:44:19,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:19,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:19,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:19,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:19,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:19,573 INFO L87 Difference]: Start difference. First operand 311 states and 537 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:20,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:20,053 INFO L93 Difference]: Finished difference Result 556 states and 937 transitions. [2022-09-16 10:44:20,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:20,053 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:20,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:20,054 INFO L225 Difference]: With dead ends: 556 [2022-09-16 10:44:20,054 INFO L226 Difference]: Without dead ends: 499 [2022-09-16 10:44:20,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=168, Invalid=482, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:20,054 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 265 mSDsluCounter, 1006 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 1152 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:20,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 1152 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:20,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2022-09-16 10:44:20,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 313. [2022-09-16 10:44:20,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 311 states have (on average 1.7363344051446945) internal successors, (540), 312 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:20,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 540 transitions. [2022-09-16 10:44:20,057 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 540 transitions. Word has length 54 [2022-09-16 10:44:20,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:20,057 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 540 transitions. [2022-09-16 10:44:20,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:20,057 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 540 transitions. [2022-09-16 10:44:20,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:20,058 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:20,058 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:20,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2022-09-16 10:44:20,058 INFO L420 AbstractCegarLoop]: === Iteration 182 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:20,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:20,058 INFO L85 PathProgramCache]: Analyzing trace with hash 401611904, now seen corresponding path program 38 times [2022-09-16 10:44:20,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:20,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903138045] [2022-09-16 10:44:20,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:20,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:20,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:20,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:20,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903138045] [2022-09-16 10:44:20,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903138045] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:20,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:20,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:20,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76127473] [2022-09-16 10:44:20,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:20,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:20,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:20,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:20,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:20,258 INFO L87 Difference]: Start difference. First operand 313 states and 540 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:20,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:20,808 INFO L93 Difference]: Finished difference Result 527 states and 887 transitions. [2022-09-16 10:44:20,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:20,808 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:20,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:20,809 INFO L225 Difference]: With dead ends: 527 [2022-09-16 10:44:20,809 INFO L226 Difference]: Without dead ends: 493 [2022-09-16 10:44:20,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=168, Invalid=482, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:20,809 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 272 mSDsluCounter, 1010 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 1132 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:20,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 1132 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:20,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2022-09-16 10:44:20,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 317. [2022-09-16 10:44:20,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 315 states have (on average 1.723809523809524) internal successors, (543), 316 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:20,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 543 transitions. [2022-09-16 10:44:20,813 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 543 transitions. Word has length 54 [2022-09-16 10:44:20,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:20,813 INFO L495 AbstractCegarLoop]: Abstraction has 317 states and 543 transitions. [2022-09-16 10:44:20,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:20,813 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 543 transitions. [2022-09-16 10:44:20,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:20,814 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:20,814 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:20,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2022-09-16 10:44:20,814 INFO L420 AbstractCegarLoop]: === Iteration 183 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:20,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:20,814 INFO L85 PathProgramCache]: Analyzing trace with hash -1056246540, now seen corresponding path program 39 times [2022-09-16 10:44:20,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:20,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969133522] [2022-09-16 10:44:20,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:20,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:20,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:20,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:20,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969133522] [2022-09-16 10:44:20,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969133522] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:20,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:20,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:20,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718713497] [2022-09-16 10:44:20,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:20,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:20,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:20,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:20,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:20,964 INFO L87 Difference]: Start difference. First operand 317 states and 543 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:21,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:21,472 INFO L93 Difference]: Finished difference Result 520 states and 874 transitions. [2022-09-16 10:44:21,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:44:21,473 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:21,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:21,473 INFO L225 Difference]: With dead ends: 520 [2022-09-16 10:44:21,473 INFO L226 Difference]: Without dead ends: 486 [2022-09-16 10:44:21,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:44:21,474 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 251 mSDsluCounter, 1082 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:21,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 1199 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:21,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2022-09-16 10:44:21,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 318. [2022-09-16 10:44:21,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 316 states have (on average 1.7215189873417722) internal successors, (544), 317 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:21,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 544 transitions. [2022-09-16 10:44:21,478 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 544 transitions. Word has length 54 [2022-09-16 10:44:21,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:21,478 INFO L495 AbstractCegarLoop]: Abstraction has 318 states and 544 transitions. [2022-09-16 10:44:21,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:21,478 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 544 transitions. [2022-09-16 10:44:21,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:21,478 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:21,478 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:21,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2022-09-16 10:44:21,479 INFO L420 AbstractCegarLoop]: === Iteration 184 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:21,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:21,479 INFO L85 PathProgramCache]: Analyzing trace with hash -272425032, now seen corresponding path program 40 times [2022-09-16 10:44:21,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:21,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241695487] [2022-09-16 10:44:21,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:21,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:21,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:21,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:21,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:21,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241695487] [2022-09-16 10:44:21,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241695487] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:21,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:21,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:21,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059123525] [2022-09-16 10:44:21,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:21,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:21,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:21,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:21,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:21,683 INFO L87 Difference]: Start difference. First operand 318 states and 544 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:22,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:22,123 INFO L93 Difference]: Finished difference Result 482 states and 812 transitions. [2022-09-16 10:44:22,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:22,124 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:22,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:22,124 INFO L225 Difference]: With dead ends: 482 [2022-09-16 10:44:22,124 INFO L226 Difference]: Without dead ends: 444 [2022-09-16 10:44:22,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=161, Invalid=489, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:22,125 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 195 mSDsluCounter, 897 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 1017 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:22,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 1017 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:22,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2022-09-16 10:44:22,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 308. [2022-09-16 10:44:22,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 306 states have (on average 1.738562091503268) internal successors, (532), 307 states have internal predecessors, (532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:22,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 532 transitions. [2022-09-16 10:44:22,128 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 532 transitions. Word has length 54 [2022-09-16 10:44:22,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:22,128 INFO L495 AbstractCegarLoop]: Abstraction has 308 states and 532 transitions. [2022-09-16 10:44:22,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:22,129 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 532 transitions. [2022-09-16 10:44:22,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:22,129 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:22,129 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:22,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2022-09-16 10:44:22,132 INFO L420 AbstractCegarLoop]: === Iteration 185 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:22,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:22,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1244721217, now seen corresponding path program 32 times [2022-09-16 10:44:22,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:22,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577342036] [2022-09-16 10:44:22,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:22,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:22,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:22,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:22,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577342036] [2022-09-16 10:44:22,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577342036] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:22,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:22,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:22,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325513872] [2022-09-16 10:44:22,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:22,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:22,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:22,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:22,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:22,304 INFO L87 Difference]: Start difference. First operand 308 states and 532 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:22,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:22,781 INFO L93 Difference]: Finished difference Result 599 states and 1006 transitions. [2022-09-16 10:44:22,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:22,781 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:22,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:22,782 INFO L225 Difference]: With dead ends: 599 [2022-09-16 10:44:22,782 INFO L226 Difference]: Without dead ends: 542 [2022-09-16 10:44:22,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=168, Invalid=482, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:22,782 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 295 mSDsluCounter, 1160 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 1305 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:22,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 1305 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:22,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2022-09-16 10:44:22,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 316. [2022-09-16 10:44:22,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 314 states have (on average 1.7261146496815287) internal successors, (542), 315 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:22,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 542 transitions. [2022-09-16 10:44:22,786 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 542 transitions. Word has length 54 [2022-09-16 10:44:22,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:22,786 INFO L495 AbstractCegarLoop]: Abstraction has 316 states and 542 transitions. [2022-09-16 10:44:22,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:22,787 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 542 transitions. [2022-09-16 10:44:22,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:22,787 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:22,787 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:22,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2022-09-16 10:44:22,787 INFO L420 AbstractCegarLoop]: === Iteration 186 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:22,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:22,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1863982073, now seen corresponding path program 33 times [2022-09-16 10:44:22,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:22,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105147416] [2022-09-16 10:44:22,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:22,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:22,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:22,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:22,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105147416] [2022-09-16 10:44:22,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105147416] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:22,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:22,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:22,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044713058] [2022-09-16 10:44:22,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:22,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:22,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:22,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:22,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:22,939 INFO L87 Difference]: Start difference. First operand 316 states and 542 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:23,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:23,447 INFO L93 Difference]: Finished difference Result 499 states and 842 transitions. [2022-09-16 10:44:23,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:23,448 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:23,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:23,448 INFO L225 Difference]: With dead ends: 499 [2022-09-16 10:44:23,448 INFO L226 Difference]: Without dead ends: 447 [2022-09-16 10:44:23,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=161, Invalid=489, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:23,449 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 251 mSDsluCounter, 1058 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 1203 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:23,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 1203 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:23,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2022-09-16 10:44:23,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 317. [2022-09-16 10:44:23,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 315 states have (on average 1.723809523809524) internal successors, (543), 316 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:23,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 543 transitions. [2022-09-16 10:44:23,453 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 543 transitions. Word has length 54 [2022-09-16 10:44:23,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:23,453 INFO L495 AbstractCegarLoop]: Abstraction has 317 states and 543 transitions. [2022-09-16 10:44:23,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:23,453 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 543 transitions. [2022-09-16 10:44:23,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:23,453 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:23,453 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:23,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2022-09-16 10:44:23,453 INFO L420 AbstractCegarLoop]: === Iteration 187 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:23,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:23,454 INFO L85 PathProgramCache]: Analyzing trace with hash 544123379, now seen corresponding path program 34 times [2022-09-16 10:44:23,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:23,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637770767] [2022-09-16 10:44:23,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:23,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:23,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:23,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:23,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637770767] [2022-09-16 10:44:23,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637770767] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:23,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:23,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:23,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815115871] [2022-09-16 10:44:23,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:23,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:23,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:23,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:23,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:23,637 INFO L87 Difference]: Start difference. First operand 317 states and 543 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:24,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:24,247 INFO L93 Difference]: Finished difference Result 496 states and 838 transitions. [2022-09-16 10:44:24,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:44:24,247 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:24,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:24,248 INFO L225 Difference]: With dead ends: 496 [2022-09-16 10:44:24,248 INFO L226 Difference]: Without dead ends: 428 [2022-09-16 10:44:24,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=183, Invalid=519, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:44:24,251 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 302 mSDsluCounter, 990 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 1135 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:24,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 1135 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:24,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2022-09-16 10:44:24,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 311. [2022-09-16 10:44:24,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 309 states have (on average 1.7346278317152104) internal successors, (536), 310 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:24,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 536 transitions. [2022-09-16 10:44:24,255 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 536 transitions. Word has length 54 [2022-09-16 10:44:24,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:24,255 INFO L495 AbstractCegarLoop]: Abstraction has 311 states and 536 transitions. [2022-09-16 10:44:24,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:24,256 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 536 transitions. [2022-09-16 10:44:24,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:24,256 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:24,256 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:24,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2022-09-16 10:44:24,256 INFO L420 AbstractCegarLoop]: === Iteration 188 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:24,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:24,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1419716740, now seen corresponding path program 41 times [2022-09-16 10:44:24,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:24,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819545575] [2022-09-16 10:44:24,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:24,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:24,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:24,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:24,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:24,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819545575] [2022-09-16 10:44:24,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819545575] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:24,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:24,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:24,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572646680] [2022-09-16 10:44:24,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:24,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:24,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:24,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:24,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:24,498 INFO L87 Difference]: Start difference. First operand 311 states and 536 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:25,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:25,136 INFO L93 Difference]: Finished difference Result 461 states and 772 transitions. [2022-09-16 10:44:25,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:25,136 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:25,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:25,136 INFO L225 Difference]: With dead ends: 461 [2022-09-16 10:44:25,136 INFO L226 Difference]: Without dead ends: 426 [2022-09-16 10:44:25,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=168, Invalid=482, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:25,137 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 280 mSDsluCounter, 1049 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 1187 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:25,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 1187 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:25,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2022-09-16 10:44:25,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 309. [2022-09-16 10:44:25,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 307 states have (on average 1.736156351791531) internal successors, (533), 308 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:25,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 533 transitions. [2022-09-16 10:44:25,139 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 533 transitions. Word has length 54 [2022-09-16 10:44:25,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:25,139 INFO L495 AbstractCegarLoop]: Abstraction has 309 states and 533 transitions. [2022-09-16 10:44:25,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:25,140 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 533 transitions. [2022-09-16 10:44:25,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:25,140 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:25,140 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:25,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2022-09-16 10:44:25,140 INFO L420 AbstractCegarLoop]: === Iteration 189 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:25,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:25,140 INFO L85 PathProgramCache]: Analyzing trace with hash 1550075435, now seen corresponding path program 35 times [2022-09-16 10:44:25,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:25,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888757653] [2022-09-16 10:44:25,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:25,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:25,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:25,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:25,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888757653] [2022-09-16 10:44:25,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888757653] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:25,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:25,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:25,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682231296] [2022-09-16 10:44:25,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:25,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:25,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:25,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:25,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:25,314 INFO L87 Difference]: Start difference. First operand 309 states and 533 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:25,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:25,800 INFO L93 Difference]: Finished difference Result 535 states and 896 transitions. [2022-09-16 10:44:25,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:25,800 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:25,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:25,800 INFO L225 Difference]: With dead ends: 535 [2022-09-16 10:44:25,800 INFO L226 Difference]: Without dead ends: 478 [2022-09-16 10:44:25,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=168, Invalid=482, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:25,801 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 286 mSDsluCounter, 1086 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 1232 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:25,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 1232 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:25,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2022-09-16 10:44:25,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 311. [2022-09-16 10:44:25,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 309 states have (on average 1.7346278317152104) internal successors, (536), 310 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:25,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 536 transitions. [2022-09-16 10:44:25,804 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 536 transitions. Word has length 54 [2022-09-16 10:44:25,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:25,804 INFO L495 AbstractCegarLoop]: Abstraction has 311 states and 536 transitions. [2022-09-16 10:44:25,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:25,804 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 536 transitions. [2022-09-16 10:44:25,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:25,804 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:25,804 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:25,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2022-09-16 10:44:25,804 INFO L420 AbstractCegarLoop]: === Iteration 190 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:25,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:25,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1437057954, now seen corresponding path program 42 times [2022-09-16 10:44:25,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:25,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481691979] [2022-09-16 10:44:25,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:25,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:25,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:25,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:25,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481691979] [2022-09-16 10:44:25,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481691979] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:25,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:25,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:25,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253712284] [2022-09-16 10:44:25,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:25,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:25,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:25,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:25,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:25,971 INFO L87 Difference]: Start difference. First operand 311 states and 536 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:26,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:26,472 INFO L93 Difference]: Finished difference Result 506 states and 846 transitions. [2022-09-16 10:44:26,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:26,472 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:26,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:26,473 INFO L225 Difference]: With dead ends: 506 [2022-09-16 10:44:26,473 INFO L226 Difference]: Without dead ends: 472 [2022-09-16 10:44:26,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=168, Invalid=482, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:26,473 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 281 mSDsluCounter, 1170 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 1309 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:26,473 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 1309 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:26,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2022-09-16 10:44:26,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 315. [2022-09-16 10:44:26,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 313 states have (on average 1.7220447284345048) internal successors, (539), 314 states have internal predecessors, (539), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:26,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 539 transitions. [2022-09-16 10:44:26,476 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 539 transitions. Word has length 54 [2022-09-16 10:44:26,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:26,476 INFO L495 AbstractCegarLoop]: Abstraction has 315 states and 539 transitions. [2022-09-16 10:44:26,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:26,476 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 539 transitions. [2022-09-16 10:44:26,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:26,476 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:26,476 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:26,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2022-09-16 10:44:26,476 INFO L420 AbstractCegarLoop]: === Iteration 191 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:26,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:26,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1400050898, now seen corresponding path program 43 times [2022-09-16 10:44:26,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:26,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620649508] [2022-09-16 10:44:26,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:26,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:26,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:26,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:26,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620649508] [2022-09-16 10:44:26,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620649508] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:26,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:26,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:26,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585695686] [2022-09-16 10:44:26,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:26,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:26,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:26,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:26,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:26,617 INFO L87 Difference]: Start difference. First operand 315 states and 539 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:27,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:27,142 INFO L93 Difference]: Finished difference Result 499 states and 833 transitions. [2022-09-16 10:44:27,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:44:27,142 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:27,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:27,142 INFO L225 Difference]: With dead ends: 499 [2022-09-16 10:44:27,142 INFO L226 Difference]: Without dead ends: 465 [2022-09-16 10:44:27,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:44:27,143 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 234 mSDsluCounter, 1067 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 1201 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:27,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 1201 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:27,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2022-09-16 10:44:27,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 316. [2022-09-16 10:44:27,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 314 states have (on average 1.7197452229299364) internal successors, (540), 315 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:27,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 540 transitions. [2022-09-16 10:44:27,145 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 540 transitions. Word has length 54 [2022-09-16 10:44:27,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:27,146 INFO L495 AbstractCegarLoop]: Abstraction has 316 states and 540 transitions. [2022-09-16 10:44:27,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:27,146 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 540 transitions. [2022-09-16 10:44:27,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:27,146 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:27,146 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:27,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2022-09-16 10:44:27,146 INFO L420 AbstractCegarLoop]: === Iteration 192 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:27,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:27,146 INFO L85 PathProgramCache]: Analyzing trace with hash -2111094890, now seen corresponding path program 44 times [2022-09-16 10:44:27,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:27,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004438689] [2022-09-16 10:44:27,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:27,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:27,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:27,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:27,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004438689] [2022-09-16 10:44:27,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004438689] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:27,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:27,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:27,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90587781] [2022-09-16 10:44:27,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:27,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:27,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:27,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:27,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:27,301 INFO L87 Difference]: Start difference. First operand 316 states and 540 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:27,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:27,779 INFO L93 Difference]: Finished difference Result 461 states and 771 transitions. [2022-09-16 10:44:27,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:27,780 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:27,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:27,780 INFO L225 Difference]: With dead ends: 461 [2022-09-16 10:44:27,780 INFO L226 Difference]: Without dead ends: 425 [2022-09-16 10:44:27,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=161, Invalid=489, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:27,780 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 210 mSDsluCounter, 953 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 1090 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:27,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 1090 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:27,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2022-09-16 10:44:27,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 308. [2022-09-16 10:44:27,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 306 states have (on average 1.7352941176470589) internal successors, (531), 307 states have internal predecessors, (531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:27,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 531 transitions. [2022-09-16 10:44:27,792 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 531 transitions. Word has length 54 [2022-09-16 10:44:27,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:27,792 INFO L495 AbstractCegarLoop]: Abstraction has 308 states and 531 transitions. [2022-09-16 10:44:27,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:27,792 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 531 transitions. [2022-09-16 10:44:27,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:27,792 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:27,792 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:27,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2022-09-16 10:44:27,792 INFO L420 AbstractCegarLoop]: === Iteration 193 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:27,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:27,793 INFO L85 PathProgramCache]: Analyzing trace with hash -805393195, now seen corresponding path program 36 times [2022-09-16 10:44:27,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:27,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774679281] [2022-09-16 10:44:27,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:27,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:27,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:27,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:27,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774679281] [2022-09-16 10:44:27,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774679281] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:27,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:27,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:27,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999382804] [2022-09-16 10:44:27,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:27,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:27,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:27,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:27,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:27,986 INFO L87 Difference]: Start difference. First operand 308 states and 531 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:28,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:28,525 INFO L93 Difference]: Finished difference Result 417 states and 705 transitions. [2022-09-16 10:44:28,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:28,525 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:28,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:28,526 INFO L225 Difference]: With dead ends: 417 [2022-09-16 10:44:28,526 INFO L226 Difference]: Without dead ends: 360 [2022-09-16 10:44:28,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=168, Invalid=482, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:28,526 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 278 mSDsluCounter, 986 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 1129 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:28,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 1129 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:28,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2022-09-16 10:44:28,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 310. [2022-09-16 10:44:28,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 308 states have (on average 1.7337662337662338) internal successors, (534), 309 states have internal predecessors, (534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:28,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 534 transitions. [2022-09-16 10:44:28,529 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 534 transitions. Word has length 54 [2022-09-16 10:44:28,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:28,529 INFO L495 AbstractCegarLoop]: Abstraction has 310 states and 534 transitions. [2022-09-16 10:44:28,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:28,529 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 534 transitions. [2022-09-16 10:44:28,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:28,529 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:28,529 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:28,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2022-09-16 10:44:28,529 INFO L420 AbstractCegarLoop]: === Iteration 194 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:28,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:28,530 INFO L85 PathProgramCache]: Analyzing trace with hash 502440712, now seen corresponding path program 45 times [2022-09-16 10:44:28,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:28,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543031603] [2022-09-16 10:44:28,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:28,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:28,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:28,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:28,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543031603] [2022-09-16 10:44:28,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543031603] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:28,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:28,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:28,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539868865] [2022-09-16 10:44:28,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:28,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:28,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:28,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:28,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:28,682 INFO L87 Difference]: Start difference. First operand 310 states and 534 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:29,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:29,169 INFO L93 Difference]: Finished difference Result 388 states and 655 transitions. [2022-09-16 10:44:29,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:29,170 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:29,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:29,170 INFO L225 Difference]: With dead ends: 388 [2022-09-16 10:44:29,170 INFO L226 Difference]: Without dead ends: 354 [2022-09-16 10:44:29,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=168, Invalid=482, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:29,170 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 230 mSDsluCounter, 1045 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 1181 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:29,171 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 1181 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:29,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2022-09-16 10:44:29,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 314. [2022-09-16 10:44:29,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 312 states have (on average 1.7211538461538463) internal successors, (537), 313 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:29,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 537 transitions. [2022-09-16 10:44:29,173 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 537 transitions. Word has length 54 [2022-09-16 10:44:29,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:29,173 INFO L495 AbstractCegarLoop]: Abstraction has 314 states and 537 transitions. [2022-09-16 10:44:29,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:29,173 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 537 transitions. [2022-09-16 10:44:29,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:29,174 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:29,174 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:29,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2022-09-16 10:44:29,174 INFO L420 AbstractCegarLoop]: === Iteration 195 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:29,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:29,174 INFO L85 PathProgramCache]: Analyzing trace with hash -955417732, now seen corresponding path program 46 times [2022-09-16 10:44:29,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:29,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385373151] [2022-09-16 10:44:29,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:29,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:29,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:29,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:29,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385373151] [2022-09-16 10:44:29,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385373151] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:29,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:29,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:29,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310517179] [2022-09-16 10:44:29,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:29,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:29,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:29,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:29,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:29,375 INFO L87 Difference]: Start difference. First operand 314 states and 537 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:30,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:30,042 INFO L93 Difference]: Finished difference Result 421 states and 706 transitions. [2022-09-16 10:44:30,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:44:30,042 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:30,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:30,042 INFO L225 Difference]: With dead ends: 421 [2022-09-16 10:44:30,042 INFO L226 Difference]: Without dead ends: 387 [2022-09-16 10:44:30,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:44:30,043 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 221 mSDsluCounter, 1049 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 1181 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:30,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 1181 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:30,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2022-09-16 10:44:30,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 315. [2022-09-16 10:44:30,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 313 states have (on average 1.718849840255591) internal successors, (538), 314 states have internal predecessors, (538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:30,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 538 transitions. [2022-09-16 10:44:30,045 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 538 transitions. Word has length 54 [2022-09-16 10:44:30,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:30,046 INFO L495 AbstractCegarLoop]: Abstraction has 315 states and 538 transitions. [2022-09-16 10:44:30,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:30,046 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 538 transitions. [2022-09-16 10:44:30,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:30,046 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:30,046 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:30,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2022-09-16 10:44:30,046 INFO L420 AbstractCegarLoop]: === Iteration 196 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:30,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:30,046 INFO L85 PathProgramCache]: Analyzing trace with hash -171596224, now seen corresponding path program 47 times [2022-09-16 10:44:30,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:30,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403548785] [2022-09-16 10:44:30,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:30,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:30,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:30,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:30,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:30,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403548785] [2022-09-16 10:44:30,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403548785] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:30,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:30,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:30,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680518211] [2022-09-16 10:44:30,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:30,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:30,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:30,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:30,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:30,257 INFO L87 Difference]: Start difference. First operand 315 states and 538 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:30,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:30,779 INFO L93 Difference]: Finished difference Result 383 states and 644 transitions. [2022-09-16 10:44:30,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:30,779 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:30,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:30,779 INFO L225 Difference]: With dead ends: 383 [2022-09-16 10:44:30,779 INFO L226 Difference]: Without dead ends: 348 [2022-09-16 10:44:30,780 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=161, Invalid=489, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:30,780 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 249 mSDsluCounter, 1025 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 1158 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:30,780 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 1158 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:30,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2022-09-16 10:44:30,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 308. [2022-09-16 10:44:30,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 306 states have (on average 1.7156862745098038) internal successors, (525), 307 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:30,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 525 transitions. [2022-09-16 10:44:30,782 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 525 transitions. Word has length 54 [2022-09-16 10:44:30,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:30,782 INFO L495 AbstractCegarLoop]: Abstraction has 308 states and 525 transitions. [2022-09-16 10:44:30,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:30,782 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 525 transitions. [2022-09-16 10:44:30,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:30,783 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:30,783 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:30,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2022-09-16 10:44:30,783 INFO L420 AbstractCegarLoop]: === Iteration 197 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:30,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:30,783 INFO L85 PathProgramCache]: Analyzing trace with hash -280547514, now seen corresponding path program 48 times [2022-09-16 10:44:30,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:30,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775903216] [2022-09-16 10:44:30,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:30,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:31,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:31,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:31,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775903216] [2022-09-16 10:44:31,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775903216] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:31,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:31,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:31,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426032452] [2022-09-16 10:44:31,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:31,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:31,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:31,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:31,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:31,055 INFO L87 Difference]: Start difference. First operand 308 states and 525 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:31,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:31,611 INFO L93 Difference]: Finished difference Result 342 states and 579 transitions. [2022-09-16 10:44:31,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 10:44:31,611 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:31,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:31,611 INFO L225 Difference]: With dead ends: 342 [2022-09-16 10:44:31,611 INFO L226 Difference]: Without dead ends: 294 [2022-09-16 10:44:31,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=199, Invalid=557, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:44:31,612 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 250 mSDsluCounter, 954 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 1085 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:31,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 1085 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:31,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2022-09-16 10:44:31,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2022-09-16 10:44:31,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 292 states have (on average 1.702054794520548) internal successors, (497), 293 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:31,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 497 transitions. [2022-09-16 10:44:31,614 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 497 transitions. Word has length 54 [2022-09-16 10:44:31,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:31,614 INFO L495 AbstractCegarLoop]: Abstraction has 294 states and 497 transitions. [2022-09-16 10:44:31,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:31,614 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 497 transitions. [2022-09-16 10:44:31,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:31,614 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:31,614 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:31,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2022-09-16 10:44:31,615 INFO L420 AbstractCegarLoop]: === Iteration 198 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:31,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:31,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1666930884, now seen corresponding path program 49 times [2022-09-16 10:44:31,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:31,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624131977] [2022-09-16 10:44:31,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:31,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:31,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:31,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:31,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624131977] [2022-09-16 10:44:31,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624131977] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:31,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:31,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:31,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134693372] [2022-09-16 10:44:31,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:31,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:31,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:31,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:31,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:31,772 INFO L87 Difference]: Start difference. First operand 294 states and 497 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:32,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:32,276 INFO L93 Difference]: Finished difference Result 361 states and 602 transitions. [2022-09-16 10:44:32,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:44:32,276 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:32,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:32,276 INFO L225 Difference]: With dead ends: 361 [2022-09-16 10:44:32,276 INFO L226 Difference]: Without dead ends: 327 [2022-09-16 10:44:32,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=176, Invalid=526, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:44:32,277 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 292 mSDsluCounter, 909 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 1033 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:32,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 1033 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:32,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2022-09-16 10:44:32,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 295. [2022-09-16 10:44:32,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 293 states have (on average 1.6996587030716723) internal successors, (498), 294 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:32,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 498 transitions. [2022-09-16 10:44:32,279 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 498 transitions. Word has length 54 [2022-09-16 10:44:32,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:32,279 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 498 transitions. [2022-09-16 10:44:32,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:32,279 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 498 transitions. [2022-09-16 10:44:32,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:32,280 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:32,280 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:32,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2022-09-16 10:44:32,280 INFO L420 AbstractCegarLoop]: === Iteration 199 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:32,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:32,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1844214904, now seen corresponding path program 50 times [2022-09-16 10:44:32,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:32,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119871523] [2022-09-16 10:44:32,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:32,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:32,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:32,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:32,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119871523] [2022-09-16 10:44:32,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119871523] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:32,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:32,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:32,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92521632] [2022-09-16 10:44:32,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:32,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:32,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:32,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:32,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:32,435 INFO L87 Difference]: Start difference. First operand 295 states and 498 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:32,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:32,891 INFO L93 Difference]: Finished difference Result 323 states and 540 transitions. [2022-09-16 10:44:32,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:32,891 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:32,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:32,892 INFO L225 Difference]: With dead ends: 323 [2022-09-16 10:44:32,892 INFO L226 Difference]: Without dead ends: 274 [2022-09-16 10:44:32,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=155, Invalid=495, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:32,892 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 180 mSDsluCounter, 996 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 1121 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:32,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 1121 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:32,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2022-09-16 10:44:32,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2022-09-16 10:44:32,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 272 states have (on average 1.713235294117647) internal successors, (466), 273 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:32,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 466 transitions. [2022-09-16 10:44:32,894 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 466 transitions. Word has length 54 [2022-09-16 10:44:32,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:32,894 INFO L495 AbstractCegarLoop]: Abstraction has 274 states and 466 transitions. [2022-09-16 10:44:32,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:32,894 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 466 transitions. [2022-09-16 10:44:32,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:32,895 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:32,895 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:32,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198 [2022-09-16 10:44:32,895 INFO L420 AbstractCegarLoop]: === Iteration 200 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:32,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:32,895 INFO L85 PathProgramCache]: Analyzing trace with hash -294747307, now seen corresponding path program 37 times [2022-09-16 10:44:32,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:32,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480073536] [2022-09-16 10:44:32,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:32,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:33,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:33,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:33,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480073536] [2022-09-16 10:44:33,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480073536] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:33,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:33,046 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:33,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798370527] [2022-09-16 10:44:33,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:33,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:33,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:33,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:33,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:33,046 INFO L87 Difference]: Start difference. First operand 274 states and 466 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:33,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:33,377 INFO L93 Difference]: Finished difference Result 483 states and 819 transitions. [2022-09-16 10:44:33,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:33,377 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:33,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:33,377 INFO L225 Difference]: With dead ends: 483 [2022-09-16 10:44:33,377 INFO L226 Difference]: Without dead ends: 426 [2022-09-16 10:44:33,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=170, Invalid=480, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:33,378 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 277 mSDsluCounter, 949 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 1074 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:33,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [277 Valid, 1074 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:33,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2022-09-16 10:44:33,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 293. [2022-09-16 10:44:33,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 291 states have (on average 1.711340206185567) internal successors, (498), 292 states have internal predecessors, (498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:33,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 498 transitions. [2022-09-16 10:44:33,380 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 498 transitions. Word has length 54 [2022-09-16 10:44:33,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:33,380 INFO L495 AbstractCegarLoop]: Abstraction has 293 states and 498 transitions. [2022-09-16 10:44:33,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:33,381 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 498 transitions. [2022-09-16 10:44:33,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:33,381 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:33,381 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:33,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2022-09-16 10:44:33,381 INFO L420 AbstractCegarLoop]: === Iteration 201 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:33,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:33,381 INFO L85 PathProgramCache]: Analyzing trace with hash -914008163, now seen corresponding path program 38 times [2022-09-16 10:44:33,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:33,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145346040] [2022-09-16 10:44:33,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:33,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:33,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:33,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:33,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:33,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145346040] [2022-09-16 10:44:33,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145346040] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:33,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:33,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:33,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604180047] [2022-09-16 10:44:33,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:33,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:33,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:33,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:33,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:33,585 INFO L87 Difference]: Start difference. First operand 293 states and 498 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:33,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:33,930 INFO L93 Difference]: Finished difference Result 483 states and 816 transitions. [2022-09-16 10:44:33,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:33,930 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:33,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:33,931 INFO L225 Difference]: With dead ends: 483 [2022-09-16 10:44:33,931 INFO L226 Difference]: Without dead ends: 431 [2022-09-16 10:44:33,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=163, Invalid=487, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:33,931 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 269 mSDsluCounter, 941 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 1066 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:33,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 1066 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:33,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2022-09-16 10:44:33,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 294. [2022-09-16 10:44:33,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 292 states have (on average 1.7089041095890412) internal successors, (499), 293 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:33,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 499 transitions. [2022-09-16 10:44:33,934 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 499 transitions. Word has length 54 [2022-09-16 10:44:33,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:33,934 INFO L495 AbstractCegarLoop]: Abstraction has 294 states and 499 transitions. [2022-09-16 10:44:33,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:33,934 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 499 transitions. [2022-09-16 10:44:33,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:33,934 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:33,934 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:33,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200 [2022-09-16 10:44:33,934 INFO L420 AbstractCegarLoop]: === Iteration 202 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:33,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:33,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1494097289, now seen corresponding path program 39 times [2022-09-16 10:44:33,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:33,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33775980] [2022-09-16 10:44:33,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:33,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:33,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:34,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:34,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:34,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33775980] [2022-09-16 10:44:34,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33775980] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:34,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:34,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:34,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129461974] [2022-09-16 10:44:34,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:34,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:34,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:34,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:34,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:34,082 INFO L87 Difference]: Start difference. First operand 294 states and 499 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:34,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:34,498 INFO L93 Difference]: Finished difference Result 489 states and 829 transitions. [2022-09-16 10:44:34,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:44:34,498 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:34,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:34,499 INFO L225 Difference]: With dead ends: 489 [2022-09-16 10:44:34,499 INFO L226 Difference]: Without dead ends: 421 [2022-09-16 10:44:34,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:44:34,499 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 279 mSDsluCounter, 842 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 279 SdHoareTripleChecker+Valid, 967 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:34,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [279 Valid, 967 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:34,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2022-09-16 10:44:34,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 288. [2022-09-16 10:44:34,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 286 states have (on average 1.7027972027972027) internal successors, (487), 287 states have internal predecessors, (487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:34,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 487 transitions. [2022-09-16 10:44:34,502 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 487 transitions. Word has length 54 [2022-09-16 10:44:34,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:34,502 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 487 transitions. [2022-09-16 10:44:34,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:34,502 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 487 transitions. [2022-09-16 10:44:34,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:34,502 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:34,502 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:34,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201 [2022-09-16 10:44:34,502 INFO L420 AbstractCegarLoop]: === Iteration 203 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:34,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:34,503 INFO L85 PathProgramCache]: Analyzing trace with hash 724124885, now seen corresponding path program 40 times [2022-09-16 10:44:34,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:34,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893794062] [2022-09-16 10:44:34,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:34,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:34,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:34,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:34,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893794062] [2022-09-16 10:44:34,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893794062] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:34,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:34,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:34,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492731810] [2022-09-16 10:44:34,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:34,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:34,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:34,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:34,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:34,662 INFO L87 Difference]: Start difference. First operand 288 states and 487 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:34,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:34,971 INFO L93 Difference]: Finished difference Result 484 states and 817 transitions. [2022-09-16 10:44:34,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:34,972 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:34,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:34,973 INFO L225 Difference]: With dead ends: 484 [2022-09-16 10:44:34,973 INFO L226 Difference]: Without dead ends: 432 [2022-09-16 10:44:34,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:34,973 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 229 mSDsluCounter, 880 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 996 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:34,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 996 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:34,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2022-09-16 10:44:34,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 291. [2022-09-16 10:44:34,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 289 states have (on average 1.7024221453287198) internal successors, (492), 290 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:34,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 492 transitions. [2022-09-16 10:44:34,976 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 492 transitions. Word has length 54 [2022-09-16 10:44:34,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:34,976 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 492 transitions. [2022-09-16 10:44:34,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:34,976 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 492 transitions. [2022-09-16 10:44:34,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:34,976 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:34,976 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:34,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable202 [2022-09-16 10:44:34,976 INFO L420 AbstractCegarLoop]: === Iteration 204 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:34,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:34,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1162736959, now seen corresponding path program 41 times [2022-09-16 10:44:34,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:34,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880688899] [2022-09-16 10:44:34,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:34,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:34,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:35,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:35,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:35,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880688899] [2022-09-16 10:44:35,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880688899] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:35,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:35,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:35,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022579362] [2022-09-16 10:44:35,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:35,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:35,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:35,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:35,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:35,127 INFO L87 Difference]: Start difference. First operand 291 states and 492 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:35,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:35,557 INFO L93 Difference]: Finished difference Result 494 states and 836 transitions. [2022-09-16 10:44:35,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:44:35,557 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:35,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:35,558 INFO L225 Difference]: With dead ends: 494 [2022-09-16 10:44:35,558 INFO L226 Difference]: Without dead ends: 431 [2022-09-16 10:44:35,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=176, Invalid=526, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:44:35,558 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 234 mSDsluCounter, 996 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 1119 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:35,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 1119 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:35,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2022-09-16 10:44:35,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 290. [2022-09-16 10:44:35,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 288 states have (on average 1.7013888888888888) internal successors, (490), 289 states have internal predecessors, (490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:35,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 490 transitions. [2022-09-16 10:44:35,561 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 490 transitions. Word has length 54 [2022-09-16 10:44:35,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:35,561 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 490 transitions. [2022-09-16 10:44:35,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:35,561 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 490 transitions. [2022-09-16 10:44:35,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:35,561 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:35,561 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:35,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable203 [2022-09-16 10:44:35,561 INFO L420 AbstractCegarLoop]: === Iteration 205 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:35,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:35,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1884342093, now seen corresponding path program 42 times [2022-09-16 10:44:35,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:35,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811545381] [2022-09-16 10:44:35,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:35,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:35,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:35,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:35,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811545381] [2022-09-16 10:44:35,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811545381] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:35,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:35,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:35,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762653814] [2022-09-16 10:44:35,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:35,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:35,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:35,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:35,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:35,703 INFO L87 Difference]: Start difference. First operand 290 states and 490 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:36,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:36,141 INFO L93 Difference]: Finished difference Result 507 states and 862 transitions. [2022-09-16 10:44:36,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 10:44:36,141 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:36,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:36,142 INFO L225 Difference]: With dead ends: 507 [2022-09-16 10:44:36,142 INFO L226 Difference]: Without dead ends: 411 [2022-09-16 10:44:36,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=199, Invalid=557, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:44:36,142 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 251 mSDsluCounter, 914 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 1038 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:36,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 1038 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:36,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2022-09-16 10:44:36,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 278. [2022-09-16 10:44:36,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 276 states have (on average 1.684782608695652) internal successors, (465), 277 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:36,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 465 transitions. [2022-09-16 10:44:36,145 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 465 transitions. Word has length 54 [2022-09-16 10:44:36,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:36,145 INFO L495 AbstractCegarLoop]: Abstraction has 278 states and 465 transitions. [2022-09-16 10:44:36,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:36,145 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 465 transitions. [2022-09-16 10:44:36,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:36,145 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:36,145 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:36,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable204 [2022-09-16 10:44:36,145 INFO L420 AbstractCegarLoop]: === Iteration 206 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:36,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:36,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1007692361, now seen corresponding path program 43 times [2022-09-16 10:44:36,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:36,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074985040] [2022-09-16 10:44:36,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:36,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:36,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:36,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:36,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:36,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074985040] [2022-09-16 10:44:36,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074985040] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:36,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:36,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:36,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728434403] [2022-09-16 10:44:36,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:36,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:36,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:36,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:36,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:36,346 INFO L87 Difference]: Start difference. First operand 278 states and 465 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:36,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:36,694 INFO L93 Difference]: Finished difference Result 341 states and 571 transitions. [2022-09-16 10:44:36,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:36,695 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:36,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:36,695 INFO L225 Difference]: With dead ends: 341 [2022-09-16 10:44:36,695 INFO L226 Difference]: Without dead ends: 289 [2022-09-16 10:44:36,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=152, Invalid=498, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:36,695 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 183 mSDsluCounter, 795 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:36,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 903 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:36,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2022-09-16 10:44:36,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 281. [2022-09-16 10:44:36,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 279 states have (on average 1.6845878136200716) internal successors, (470), 280 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:36,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 470 transitions. [2022-09-16 10:44:36,698 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 470 transitions. Word has length 54 [2022-09-16 10:44:36,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:36,698 INFO L495 AbstractCegarLoop]: Abstraction has 281 states and 470 transitions. [2022-09-16 10:44:36,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:36,698 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 470 transitions. [2022-09-16 10:44:36,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:36,698 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:36,698 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:36,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable205 [2022-09-16 10:44:36,698 INFO L420 AbstractCegarLoop]: === Iteration 207 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:36,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:36,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1400413091, now seen corresponding path program 44 times [2022-09-16 10:44:36,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:36,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439179537] [2022-09-16 10:44:36,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:36,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:36,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:36,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:36,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439179537] [2022-09-16 10:44:36,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439179537] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:36,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:36,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:36,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423545446] [2022-09-16 10:44:36,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:36,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:36,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:36,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:36,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:36,875 INFO L87 Difference]: Start difference. First operand 281 states and 470 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:37,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:37,321 INFO L93 Difference]: Finished difference Result 351 states and 590 transitions. [2022-09-16 10:44:37,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:44:37,321 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:37,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:37,322 INFO L225 Difference]: With dead ends: 351 [2022-09-16 10:44:37,322 INFO L226 Difference]: Without dead ends: 288 [2022-09-16 10:44:37,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=169, Invalid=533, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:44:37,322 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 198 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 954 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:37,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 954 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:37,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2022-09-16 10:44:37,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 280. [2022-09-16 10:44:37,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 278 states have (on average 1.683453237410072) internal successors, (468), 279 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:37,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 468 transitions. [2022-09-16 10:44:37,324 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 468 transitions. Word has length 54 [2022-09-16 10:44:37,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:37,324 INFO L495 AbstractCegarLoop]: Abstraction has 280 states and 468 transitions. [2022-09-16 10:44:37,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:37,324 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 468 transitions. [2022-09-16 10:44:37,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:37,325 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:37,325 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:37,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable206 [2022-09-16 10:44:37,325 INFO L420 AbstractCegarLoop]: === Iteration 208 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:37,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:37,325 INFO L85 PathProgramCache]: Analyzing trace with hash 678807957, now seen corresponding path program 45 times [2022-09-16 10:44:37,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:37,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730912495] [2022-09-16 10:44:37,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:37,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:37,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:37,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:37,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730912495] [2022-09-16 10:44:37,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730912495] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:37,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:37,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:37,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956123376] [2022-09-16 10:44:37,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:37,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:37,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:37,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:37,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:37,480 INFO L87 Difference]: Start difference. First operand 280 states and 468 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:37,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:37,932 INFO L93 Difference]: Finished difference Result 372 states and 630 transitions. [2022-09-16 10:44:37,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 10:44:37,932 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:37,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:37,933 INFO L225 Difference]: With dead ends: 372 [2022-09-16 10:44:37,933 INFO L226 Difference]: Without dead ends: 286 [2022-09-16 10:44:37,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=189, Invalid=567, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:44:37,933 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 201 mSDsluCounter, 1000 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 1124 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:37,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 1124 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:37,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2022-09-16 10:44:37,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 278. [2022-09-16 10:44:37,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 276 states have (on average 1.681159420289855) internal successors, (464), 277 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:37,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 464 transitions. [2022-09-16 10:44:37,936 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 464 transitions. Word has length 54 [2022-09-16 10:44:37,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:37,936 INFO L495 AbstractCegarLoop]: Abstraction has 278 states and 464 transitions. [2022-09-16 10:44:37,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:37,936 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 464 transitions. [2022-09-16 10:44:37,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:37,936 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:37,936 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:37,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable207 [2022-09-16 10:44:37,936 INFO L420 AbstractCegarLoop]: === Iteration 209 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:37,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:37,936 INFO L85 PathProgramCache]: Analyzing trace with hash 296982131, now seen corresponding path program 46 times [2022-09-16 10:44:37,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:37,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831136261] [2022-09-16 10:44:37,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:37,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:38,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:38,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:38,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831136261] [2022-09-16 10:44:38,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831136261] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:38,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:38,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:38,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421632692] [2022-09-16 10:44:38,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:38,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:38,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:38,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:38,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:38,091 INFO L87 Difference]: Start difference. First operand 278 states and 464 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:38,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:38,546 INFO L93 Difference]: Finished difference Result 362 states and 612 transitions. [2022-09-16 10:44:38,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-09-16 10:44:38,546 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:38,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:38,547 INFO L225 Difference]: With dead ends: 362 [2022-09-16 10:44:38,547 INFO L226 Difference]: Without dead ends: 227 [2022-09-16 10:44:38,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=214, Invalid=598, Unknown=0, NotChecked=0, Total=812 [2022-09-16 10:44:38,547 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 233 mSDsluCounter, 881 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 1006 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:38,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 1006 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:38,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2022-09-16 10:44:38,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2022-09-16 10:44:38,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 225 states have (on average 1.6355555555555557) internal successors, (368), 226 states have internal predecessors, (368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:38,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 368 transitions. [2022-09-16 10:44:38,549 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 368 transitions. Word has length 54 [2022-09-16 10:44:38,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:38,549 INFO L495 AbstractCegarLoop]: Abstraction has 227 states and 368 transitions. [2022-09-16 10:44:38,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:38,549 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 368 transitions. [2022-09-16 10:44:38,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:38,549 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:38,549 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:38,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable208 [2022-09-16 10:44:38,550 INFO L420 AbstractCegarLoop]: === Iteration 210 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:38,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:38,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1936651498, now seen corresponding path program 51 times [2022-09-16 10:44:38,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:38,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217673105] [2022-09-16 10:44:38,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:38,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:38,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:38,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:38,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217673105] [2022-09-16 10:44:38,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217673105] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:38,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:38,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:38,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039790527] [2022-09-16 10:44:38,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:38,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:38,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:38,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:38,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:38,701 INFO L87 Difference]: Start difference. First operand 227 states and 368 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:38,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:38,989 INFO L93 Difference]: Finished difference Result 260 states and 415 transitions. [2022-09-16 10:44:38,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:38,989 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:38,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:38,990 INFO L225 Difference]: With dead ends: 260 [2022-09-16 10:44:38,990 INFO L226 Difference]: Without dead ends: 220 [2022-09-16 10:44:38,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=170, Invalid=480, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:38,990 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 218 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:38,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 762 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:38,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-09-16 10:44:38,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2022-09-16 10:44:38,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 218 states have (on average 1.6422018348623852) internal successors, (358), 219 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:38,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 358 transitions. [2022-09-16 10:44:38,992 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 358 transitions. Word has length 54 [2022-09-16 10:44:38,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:38,992 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 358 transitions. [2022-09-16 10:44:38,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:38,992 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 358 transitions. [2022-09-16 10:44:38,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:38,992 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:38,992 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:38,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable209 [2022-09-16 10:44:38,992 INFO L420 AbstractCegarLoop]: === Iteration 211 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:38,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:38,993 INFO L85 PathProgramCache]: Analyzing trace with hash -503677913, now seen corresponding path program 47 times [2022-09-16 10:44:38,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:38,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256480177] [2022-09-16 10:44:38,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:38,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:39,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:39,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:39,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256480177] [2022-09-16 10:44:39,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256480177] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:39,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:39,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:39,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487140143] [2022-09-16 10:44:39,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:39,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:39,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:39,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:39,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:39,167 INFO L87 Difference]: Start difference. First operand 220 states and 358 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:39,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:39,672 INFO L93 Difference]: Finished difference Result 393 states and 641 transitions. [2022-09-16 10:44:39,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:39,673 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:39,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:39,673 INFO L225 Difference]: With dead ends: 393 [2022-09-16 10:44:39,673 INFO L226 Difference]: Without dead ends: 336 [2022-09-16 10:44:39,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=169, Invalid=481, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:39,673 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 313 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 954 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:39,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 954 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:39,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2022-09-16 10:44:39,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 227. [2022-09-16 10:44:39,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 225 states have (on average 1.6266666666666667) internal successors, (366), 226 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:39,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 366 transitions. [2022-09-16 10:44:39,675 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 366 transitions. Word has length 54 [2022-09-16 10:44:39,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:39,676 INFO L495 AbstractCegarLoop]: Abstraction has 227 states and 366 transitions. [2022-09-16 10:44:39,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:39,676 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 366 transitions. [2022-09-16 10:44:39,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:39,676 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:39,676 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:39,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable210 [2022-09-16 10:44:39,676 INFO L420 AbstractCegarLoop]: === Iteration 212 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:39,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:39,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1122938769, now seen corresponding path program 48 times [2022-09-16 10:44:39,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:39,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012210084] [2022-09-16 10:44:39,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:39,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:39,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:39,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:39,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012210084] [2022-09-16 10:44:39,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012210084] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:39,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:39,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:39,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55098397] [2022-09-16 10:44:39,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:39,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:39,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:39,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:39,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:39,822 INFO L87 Difference]: Start difference. First operand 227 states and 366 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:40,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:40,310 INFO L93 Difference]: Finished difference Result 393 states and 638 transitions. [2022-09-16 10:44:40,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:40,311 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:40,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:40,311 INFO L225 Difference]: With dead ends: 393 [2022-09-16 10:44:40,311 INFO L226 Difference]: Without dead ends: 341 [2022-09-16 10:44:40,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=162, Invalid=488, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:40,311 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 248 mSDsluCounter, 790 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 900 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:40,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 900 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:40,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2022-09-16 10:44:40,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 228. [2022-09-16 10:44:40,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 226 states have (on average 1.6238938053097345) internal successors, (367), 227 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:40,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 367 transitions. [2022-09-16 10:44:40,313 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 367 transitions. Word has length 54 [2022-09-16 10:44:40,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:40,314 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 367 transitions. [2022-09-16 10:44:40,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:40,314 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 367 transitions. [2022-09-16 10:44:40,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:40,314 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:40,314 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:40,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable211 [2022-09-16 10:44:40,314 INFO L420 AbstractCegarLoop]: === Iteration 213 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:40,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:40,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1285166683, now seen corresponding path program 49 times [2022-09-16 10:44:40,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:40,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295335512] [2022-09-16 10:44:40,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:40,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:40,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:40,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:40,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295335512] [2022-09-16 10:44:40,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295335512] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:40,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:40,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:40,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253414208] [2022-09-16 10:44:40,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:40,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:40,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:40,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:40,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:40,460 INFO L87 Difference]: Start difference. First operand 228 states and 367 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:40,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:40,975 INFO L93 Difference]: Finished difference Result 399 states and 651 transitions. [2022-09-16 10:44:40,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:44:40,975 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:40,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:40,975 INFO L225 Difference]: With dead ends: 399 [2022-09-16 10:44:40,975 INFO L226 Difference]: Without dead ends: 331 [2022-09-16 10:44:40,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=184, Invalid=518, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:44:40,976 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 311 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:40,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 806 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:40,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2022-09-16 10:44:40,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 222. [2022-09-16 10:44:40,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 220 states have (on average 1.6136363636363635) internal successors, (355), 221 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:40,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 355 transitions. [2022-09-16 10:44:40,978 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 355 transitions. Word has length 54 [2022-09-16 10:44:40,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:40,978 INFO L495 AbstractCegarLoop]: Abstraction has 222 states and 355 transitions. [2022-09-16 10:44:40,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:40,978 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 355 transitions. [2022-09-16 10:44:40,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:40,978 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:40,978 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:40,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable212 [2022-09-16 10:44:40,978 INFO L420 AbstractCegarLoop]: === Iteration 214 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:40,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:40,979 INFO L85 PathProgramCache]: Analyzing trace with hash 515194279, now seen corresponding path program 50 times [2022-09-16 10:44:40,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:40,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694863691] [2022-09-16 10:44:40,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:40,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:41,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:41,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:41,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694863691] [2022-09-16 10:44:41,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694863691] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:41,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:41,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:41,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901262022] [2022-09-16 10:44:41,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:41,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:41,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:41,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:41,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:41,136 INFO L87 Difference]: Start difference. First operand 222 states and 355 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:41,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:41,596 INFO L93 Difference]: Finished difference Result 279 states and 449 transitions. [2022-09-16 10:44:41,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:41,596 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:41,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:41,597 INFO L225 Difference]: With dead ends: 279 [2022-09-16 10:44:41,597 INFO L226 Difference]: Without dead ends: 227 [2022-09-16 10:44:41,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=156, Invalid=494, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:41,597 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 194 mSDsluCounter, 795 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:41,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 896 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:41,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2022-09-16 10:44:41,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 223. [2022-09-16 10:44:41,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 221 states have (on average 1.6108597285067874) internal successors, (356), 222 states have internal predecessors, (356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:41,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 356 transitions. [2022-09-16 10:44:41,599 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 356 transitions. Word has length 54 [2022-09-16 10:44:41,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:41,599 INFO L495 AbstractCegarLoop]: Abstraction has 223 states and 356 transitions. [2022-09-16 10:44:41,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:41,599 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 356 transitions. [2022-09-16 10:44:41,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:41,599 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:41,599 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:41,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable213 [2022-09-16 10:44:41,599 INFO L420 AbstractCegarLoop]: === Iteration 215 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:41,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:41,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1371667565, now seen corresponding path program 51 times [2022-09-16 10:44:41,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:41,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847499414] [2022-09-16 10:44:41,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:41,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:41,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:41,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:41,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847499414] [2022-09-16 10:44:41,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847499414] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:41,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:41,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:41,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279741485] [2022-09-16 10:44:41,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:41,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:41,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:41,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:41,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:41,746 INFO L87 Difference]: Start difference. First operand 223 states and 356 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:42,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:42,277 INFO L93 Difference]: Finished difference Result 289 states and 468 transitions. [2022-09-16 10:44:42,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:44:42,277 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:42,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:42,277 INFO L225 Difference]: With dead ends: 289 [2022-09-16 10:44:42,277 INFO L226 Difference]: Without dead ends: 226 [2022-09-16 10:44:42,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=175, Invalid=527, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:44:42,278 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 256 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 863 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:42,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 863 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:42,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2022-09-16 10:44:42,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 222. [2022-09-16 10:44:42,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 220 states have (on average 1.6090909090909091) internal successors, (354), 221 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:42,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 354 transitions. [2022-09-16 10:44:42,280 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 354 transitions. Word has length 54 [2022-09-16 10:44:42,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:42,280 INFO L495 AbstractCegarLoop]: Abstraction has 222 states and 354 transitions. [2022-09-16 10:44:42,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:42,280 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 354 transitions. [2022-09-16 10:44:42,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:42,280 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:42,280 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:42,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable214 [2022-09-16 10:44:42,280 INFO L420 AbstractCegarLoop]: === Iteration 216 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:42,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:42,280 INFO L85 PathProgramCache]: Analyzing trace with hash -2093272699, now seen corresponding path program 52 times [2022-09-16 10:44:42,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:42,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311567663] [2022-09-16 10:44:42,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:42,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:42,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:42,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:42,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311567663] [2022-09-16 10:44:42,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311567663] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:42,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:42,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:42,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916092384] [2022-09-16 10:44:42,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:42,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:42,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:42,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:42,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:42,422 INFO L87 Difference]: Start difference. First operand 222 states and 354 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:42,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:42,964 INFO L93 Difference]: Finished difference Result 284 states and 460 transitions. [2022-09-16 10:44:42,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 10:44:42,965 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:42,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:42,965 INFO L225 Difference]: With dead ends: 284 [2022-09-16 10:44:42,965 INFO L226 Difference]: Without dead ends: 188 [2022-09-16 10:44:42,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=198, Invalid=558, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:44:42,965 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 232 mSDsluCounter, 718 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 828 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:42,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 828 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:42,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2022-09-16 10:44:42,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2022-09-16 10:44:42,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 186 states have (on average 1.5698924731182795) internal successors, (292), 187 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:42,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 292 transitions. [2022-09-16 10:44:42,967 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 292 transitions. Word has length 54 [2022-09-16 10:44:42,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:42,967 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 292 transitions. [2022-09-16 10:44:42,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:42,967 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 292 transitions. [2022-09-16 10:44:42,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:42,967 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:42,967 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:42,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable215 [2022-09-16 10:44:42,968 INFO L420 AbstractCegarLoop]: === Iteration 217 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:42,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:42,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1321812630, now seen corresponding path program 52 times [2022-09-16 10:44:42,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:42,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592670719] [2022-09-16 10:44:42,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:42,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:43,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:43,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:43,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592670719] [2022-09-16 10:44:43,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592670719] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:43,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:43,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:43,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896495808] [2022-09-16 10:44:43,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:43,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:43,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:43,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:43,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:43,112 INFO L87 Difference]: Start difference. First operand 188 states and 292 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:43,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:43,570 INFO L93 Difference]: Finished difference Result 221 states and 339 transitions. [2022-09-16 10:44:43,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:43,570 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:43,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:43,571 INFO L225 Difference]: With dead ends: 221 [2022-09-16 10:44:43,571 INFO L226 Difference]: Without dead ends: 184 [2022-09-16 10:44:43,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=169, Invalid=481, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:43,571 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 260 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:43,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 692 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:43,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2022-09-16 10:44:43,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2022-09-16 10:44:43,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 182 states have (on average 1.5714285714285714) internal successors, (286), 183 states have internal predecessors, (286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:43,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 286 transitions. [2022-09-16 10:44:43,573 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 286 transitions. Word has length 54 [2022-09-16 10:44:43,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:43,573 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 286 transitions. [2022-09-16 10:44:43,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:43,573 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 286 transitions. [2022-09-16 10:44:43,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:43,573 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:43,573 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:43,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable216 [2022-09-16 10:44:43,573 INFO L420 AbstractCegarLoop]: === Iteration 218 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:43,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:43,573 INFO L85 PathProgramCache]: Analyzing trace with hash 42739847, now seen corresponding path program 53 times [2022-09-16 10:44:43,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:43,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458633506] [2022-09-16 10:44:43,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:43,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:43,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:43,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:43,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458633506] [2022-09-16 10:44:43,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458633506] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:43,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:43,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:43,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245440914] [2022-09-16 10:44:43,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:43,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:43,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:43,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:43,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:43,718 INFO L87 Difference]: Start difference. First operand 184 states and 286 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:44,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:44,185 INFO L93 Difference]: Finished difference Result 339 states and 534 transitions. [2022-09-16 10:44:44,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:44,185 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:44,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:44,185 INFO L225 Difference]: With dead ends: 339 [2022-09-16 10:44:44,185 INFO L226 Difference]: Without dead ends: 282 [2022-09-16 10:44:44,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=169, Invalid=481, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:44,186 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 293 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:44,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 685 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:44,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-09-16 10:44:44,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 185. [2022-09-16 10:44:44,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 183 states have (on average 1.540983606557377) internal successors, (282), 184 states have internal predecessors, (282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:44,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 282 transitions. [2022-09-16 10:44:44,188 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 282 transitions. Word has length 54 [2022-09-16 10:44:44,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:44,188 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 282 transitions. [2022-09-16 10:44:44,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:44,188 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 282 transitions. [2022-09-16 10:44:44,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:44,188 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:44,188 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:44,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable217 [2022-09-16 10:44:44,188 INFO L420 AbstractCegarLoop]: === Iteration 219 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:44,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:44,188 INFO L85 PathProgramCache]: Analyzing trace with hash -576521009, now seen corresponding path program 54 times [2022-09-16 10:44:44,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:44,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705801795] [2022-09-16 10:44:44,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:44,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:44,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:44,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:44,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705801795] [2022-09-16 10:44:44,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705801795] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:44,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:44,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:44,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49605658] [2022-09-16 10:44:44,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:44,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:44,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:44,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:44,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:44,345 INFO L87 Difference]: Start difference. First operand 185 states and 282 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:44,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:44,806 INFO L93 Difference]: Finished difference Result 239 states and 370 transitions. [2022-09-16 10:44:44,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:44,807 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:44,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:44,807 INFO L225 Difference]: With dead ends: 239 [2022-09-16 10:44:44,807 INFO L226 Difference]: Without dead ends: 187 [2022-09-16 10:44:44,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=162, Invalid=488, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:44,807 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 229 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:44,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 747 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:44,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2022-09-16 10:44:44,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 185. [2022-09-16 10:44:44,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 183 states have (on average 1.53551912568306) internal successors, (281), 184 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:44,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 281 transitions. [2022-09-16 10:44:44,809 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 281 transitions. Word has length 54 [2022-09-16 10:44:44,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:44,809 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 281 transitions. [2022-09-16 10:44:44,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:44,809 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 281 transitions. [2022-09-16 10:44:44,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:44,809 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:44,809 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:44,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable218 [2022-09-16 10:44:44,809 INFO L420 AbstractCegarLoop]: === Iteration 220 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:44,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:44,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1831584443, now seen corresponding path program 55 times [2022-09-16 10:44:44,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:44,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330576658] [2022-09-16 10:44:44,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:44,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:44,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:44,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:44,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:44,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330576658] [2022-09-16 10:44:44,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330576658] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:44,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:44,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:44,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541101706] [2022-09-16 10:44:44,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:44,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:44,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:44,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:44,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:44,956 INFO L87 Difference]: Start difference. First operand 185 states and 281 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:45,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:45,447 INFO L93 Difference]: Finished difference Result 236 states and 366 transitions. [2022-09-16 10:44:45,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:44:45,447 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:45,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:45,447 INFO L225 Difference]: With dead ends: 236 [2022-09-16 10:44:45,447 INFO L226 Difference]: Without dead ends: 168 [2022-09-16 10:44:45,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=184, Invalid=518, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:44:45,448 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 251 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:45,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 640 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:45,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2022-09-16 10:44:45,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2022-09-16 10:44:45,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 166 states have (on average 1.5240963855421688) internal successors, (253), 167 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:45,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 253 transitions. [2022-09-16 10:44:45,449 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 253 transitions. Word has length 54 [2022-09-16 10:44:45,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:45,449 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 253 transitions. [2022-09-16 10:44:45,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:45,449 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 253 transitions. [2022-09-16 10:44:45,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:45,450 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:45,450 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:45,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable219 [2022-09-16 10:44:45,450 INFO L420 AbstractCegarLoop]: === Iteration 221 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:45,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:45,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1587789492, now seen corresponding path program 53 times [2022-09-16 10:44:45,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:45,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123115905] [2022-09-16 10:44:45,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:45,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:45,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:45,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:45,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:45,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123115905] [2022-09-16 10:44:45,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123115905] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:45,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:45,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:45,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794256713] [2022-09-16 10:44:45,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:45,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:45,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:45,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:45,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:45,610 INFO L87 Difference]: Start difference. First operand 168 states and 253 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:46,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:46,064 INFO L93 Difference]: Finished difference Result 201 states and 300 transitions. [2022-09-16 10:44:46,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:46,064 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:46,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:46,065 INFO L225 Difference]: With dead ends: 201 [2022-09-16 10:44:46,065 INFO L226 Difference]: Without dead ends: 166 [2022-09-16 10:44:46,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=169, Invalid=481, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:46,065 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 278 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:46,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 635 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:46,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2022-09-16 10:44:46,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2022-09-16 10:44:46,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 164 states have (on average 1.524390243902439) internal successors, (250), 165 states have internal predecessors, (250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:46,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 250 transitions. [2022-09-16 10:44:46,066 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 250 transitions. Word has length 54 [2022-09-16 10:44:46,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:46,066 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 250 transitions. [2022-09-16 10:44:46,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:46,067 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 250 transitions. [2022-09-16 10:44:46,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:46,067 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:46,067 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:46,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable220 [2022-09-16 10:44:46,067 INFO L420 AbstractCegarLoop]: === Iteration 222 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:46,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:46,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1457430797, now seen corresponding path program 56 times [2022-09-16 10:44:46,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:46,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868077165] [2022-09-16 10:44:46,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:46,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:46,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:46,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:46,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868077165] [2022-09-16 10:44:46,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868077165] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:46,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:46,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:46,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882531979] [2022-09-16 10:44:46,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:46,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:46,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:46,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:46,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:46,251 INFO L87 Difference]: Start difference. First operand 166 states and 250 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:46,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:46,719 INFO L93 Difference]: Finished difference Result 158 states and 235 transitions. [2022-09-16 10:44:46,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:46,720 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:46,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:46,720 INFO L225 Difference]: With dead ends: 158 [2022-09-16 10:44:46,720 INFO L226 Difference]: Without dead ends: 101 [2022-09-16 10:44:46,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=169, Invalid=481, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:46,720 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 234 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:46,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 646 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:46,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-09-16 10:44:46,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2022-09-16 10:44:46,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 100 states have (on average 1.43) internal successors, (143), 100 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:46,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 143 transitions. [2022-09-16 10:44:46,721 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 143 transitions. Word has length 54 [2022-09-16 10:44:46,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:46,721 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 143 transitions. [2022-09-16 10:44:46,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:46,721 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 143 transitions. [2022-09-16 10:44:46,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:46,722 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:46,722 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:46,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable221 [2022-09-16 10:44:46,722 INFO L420 AbstractCegarLoop]: === Iteration 223 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:46,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:46,722 INFO L85 PathProgramCache]: Analyzing trace with hash -149596890, now seen corresponding path program 54 times [2022-09-16 10:44:46,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:46,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566071460] [2022-09-16 10:44:46,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:46,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:46,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:46,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:46,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566071460] [2022-09-16 10:44:46,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566071460] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:46,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:46,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:46,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164631246] [2022-09-16 10:44:46,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:46,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:46,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:46,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:46,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:46,865 INFO L87 Difference]: Start difference. First operand 101 states and 143 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:47,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:47,352 INFO L93 Difference]: Finished difference Result 129 states and 185 transitions. [2022-09-16 10:44:47,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:47,352 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:47,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:47,352 INFO L225 Difference]: With dead ends: 129 [2022-09-16 10:44:47,353 INFO L226 Difference]: Without dead ends: 95 [2022-09-16 10:44:47,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=169, Invalid=481, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:47,353 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 186 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 561 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:47,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 561 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:47,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-09-16 10:44:47,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2022-09-16 10:44:47,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 94 states have (on average 1.3936170212765957) internal successors, (131), 94 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:47,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 131 transitions. [2022-09-16 10:44:47,354 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 131 transitions. Word has length 54 [2022-09-16 10:44:47,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:47,354 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 131 transitions. [2022-09-16 10:44:47,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:47,355 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 131 transitions. [2022-09-16 10:44:47,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:47,355 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:47,355 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:47,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable222 [2022-09-16 10:44:47,355 INFO L420 AbstractCegarLoop]: === Iteration 224 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:47,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:47,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1607455334, now seen corresponding path program 55 times [2022-09-16 10:44:47,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:47,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346533618] [2022-09-16 10:44:47,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:47,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:47,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:47,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:47,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346533618] [2022-09-16 10:44:47,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346533618] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:47,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:47,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:47,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272665255] [2022-09-16 10:44:47,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:47,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:47,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:47,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:47,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:47,561 INFO L87 Difference]: Start difference. First operand 95 states and 131 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:48,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:48,102 INFO L93 Difference]: Finished difference Result 122 states and 172 transitions. [2022-09-16 10:44:48,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:44:48,102 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:48,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:48,102 INFO L225 Difference]: With dead ends: 122 [2022-09-16 10:44:48,102 INFO L226 Difference]: Without dead ends: 88 [2022-09-16 10:44:48,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=186, Invalid=516, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:44:48,103 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 232 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:48,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 472 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:48,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-09-16 10:44:48,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2022-09-16 10:44:48,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 87 states have (on average 1.3448275862068966) internal successors, (117), 87 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:48,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 117 transitions. [2022-09-16 10:44:48,104 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 117 transitions. Word has length 54 [2022-09-16 10:44:48,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:48,104 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 117 transitions. [2022-09-16 10:44:48,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:48,104 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 117 transitions. [2022-09-16 10:44:48,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-09-16 10:44:48,104 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:48,104 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:48,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable223 [2022-09-16 10:44:48,104 INFO L420 AbstractCegarLoop]: === Iteration 225 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-09-16 10:44:48,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:48,104 INFO L85 PathProgramCache]: Analyzing trace with hash -823633826, now seen corresponding path program 56 times [2022-09-16 10:44:48,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:48,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285007877] [2022-09-16 10:44:48,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:48,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:48,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:48,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:48,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285007877] [2022-09-16 10:44:48,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285007877] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:48,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:48,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:44:48,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234305762] [2022-09-16 10:44:48,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:48,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:44:48,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:48,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:44:48,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:44:48,249 INFO L87 Difference]: Start difference. First operand 88 states and 117 transitions. Second operand has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:48,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:48,686 INFO L93 Difference]: Finished difference Result 84 states and 110 transitions. [2022-09-16 10:44:48,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:44:48,687 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-09-16 10:44:48,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:48,687 INFO L225 Difference]: With dead ends: 84 [2022-09-16 10:44:48,687 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:44:48,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=162, Invalid=488, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:44:48,687 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 138 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:48,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 453 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:44:48,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:44:48,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:44:48,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:48,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:44:48,687 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2022-09-16 10:44:48,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:48,688 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:44:48,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.857142857142857) internal successors, (54), 15 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:48,688 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:44:48,688 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:44:48,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 7 remaining) [2022-09-16 10:44:48,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 7 remaining) [2022-09-16 10:44:48,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-09-16 10:44:48,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 7 remaining) [2022-09-16 10:44:48,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 7 remaining) [2022-09-16 10:44:48,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 7 remaining) [2022-09-16 10:44:48,691 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 7 remaining) [2022-09-16 10:44:48,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable224 [2022-09-16 10:44:48,694 INFO L444 BasicCegarLoop]: Path program histogram: [56, 56, 49, 46, 11, 2, 1, 1, 1, 1, 1] [2022-09-16 10:44:48,699 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:44:48,700 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:44:48,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:44:48 BasicIcfg [2022-09-16 10:44:48,702 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:44:48,702 INFO L158 Benchmark]: Toolchain (without parser) took 269470.73ms. Allocated memory was 192.9MB in the beginning and 489.7MB in the end (delta: 296.7MB). Free memory was 134.0MB in the beginning and 250.7MB in the end (delta: -116.6MB). Peak memory consumption was 181.1MB. Max. memory is 8.0GB. [2022-09-16 10:44:48,702 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 192.9MB. Free memory is still 153.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:44:48,702 INFO L158 Benchmark]: CACSL2BoogieTranslator took 537.10ms. Allocated memory is still 192.9MB. Free memory was 133.9MB in the beginning and 141.8MB in the end (delta: -8.0MB). Peak memory consumption was 14.9MB. Max. memory is 8.0GB. [2022-09-16 10:44:48,703 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.37ms. Allocated memory is still 192.9MB. Free memory was 141.8MB in the beginning and 139.1MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:44:48,727 INFO L158 Benchmark]: Boogie Preprocessor took 17.88ms. Allocated memory is still 192.9MB. Free memory was 139.1MB in the beginning and 137.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-09-16 10:44:48,727 INFO L158 Benchmark]: RCFGBuilder took 261.46ms. Allocated memory is still 192.9MB. Free memory was 137.6MB in the beginning and 124.8MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-09-16 10:44:48,727 INFO L158 Benchmark]: TraceAbstraction took 268620.87ms. Allocated memory was 192.9MB in the beginning and 489.7MB in the end (delta: 296.7MB). Free memory was 124.1MB in the beginning and 250.7MB in the end (delta: -126.6MB). Peak memory consumption was 171.4MB. Max. memory is 8.0GB. [2022-09-16 10:44:48,728 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 192.9MB. Free memory is still 153.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 537.10ms. Allocated memory is still 192.9MB. Free memory was 133.9MB in the beginning and 141.8MB in the end (delta: -8.0MB). Peak memory consumption was 14.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.37ms. Allocated memory is still 192.9MB. Free memory was 141.8MB in the beginning and 139.1MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.88ms. Allocated memory is still 192.9MB. Free memory was 139.1MB in the beginning and 137.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 261.46ms. Allocated memory is still 192.9MB. Free memory was 137.6MB in the beginning and 124.8MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 268620.87ms. Allocated memory was 192.9MB in the beginning and 489.7MB in the end (delta: 296.7MB). Free memory was 124.1MB in the beginning and 250.7MB in the end (delta: -126.6MB). Peak memory consumption was 171.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1235]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1235]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1235]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1235]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 97 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 268.5s, OverallIterations: 225, TraceHistogramMax: 1, PathProgramHistogramMax: 56, EmptinessCheckTime: 0.1s, AutomataDifference: 217.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 87225 SdHoareTripleChecker+Valid, 40.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 87225 mSDsluCounter, 267796 SdHoareTripleChecker+Invalid, 34.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 237078 mSDsCounter, 2736 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 102492 IncrementalHoareTripleChecker+Invalid, 105228 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2736 mSolverCounterUnsat, 31394 mSDtfsCounter, 102492 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7768 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 7399 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59418 ImplicationChecksByTransitivity, 198.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=681occurred in iteration=32, InterpolantAutomatonStates: 5106, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 225 MinimizatonAttempts, 48011 StatesRemovedByMinimization, 207 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 46.6s InterpolantComputationTime, 11818 NumberOfCodeBlocks, 11818 NumberOfCodeBlocksAsserted, 225 NumberOfCheckSat, 11593 ConstructedInterpolants, 0 QuantifiedInterpolants, 103449 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 225 InterpolantComputations, 225 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 10:44:48,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...