/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:41:18,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:41:18,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:41:18,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:41:18,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:41:18,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:41:18,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:41:18,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:41:18,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:41:18,684 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:41:18,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:41:18,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:41:18,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:41:18,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:41:18,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:41:18,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:41:18,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:41:18,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:41:18,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:41:18,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:41:18,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:41:18,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:41:18,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:41:18,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:41:18,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 16:41:18,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 16:41:18,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 16:41:18,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 16:41:18,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 16:41:18,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 16:41:18,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 16:41:18,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 16:41:18,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 16:41:18,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 16:41:18,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 16:41:18,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 16:41:18,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 16:41:18,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 16:41:18,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:41:18,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:41:18,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:41:18,720 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:41:18,752 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:41:18,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:41:18,753 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:41:18,753 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:41:18,754 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:41:18,755 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:41:18,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:41:18,756 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:41:18,756 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:41:18,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:41:18,757 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:41:18,757 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:41:18,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:41:18,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:41:18,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:41:18,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:41:18,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:41:18,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:41:18,759 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:41:18,759 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:41:18,759 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:41:18,759 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:41:18,760 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:41:18,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:41:18,760 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:41:18,760 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:41:18,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:41:18,761 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:41:18,761 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:41:18,761 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:41:18,761 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:41:18,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:41:18,762 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:41:18,762 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:41:19,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:41:19,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:41:19,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:41:19,154 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:41:19,154 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:41:19,156 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 16:41:19,236 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f4f9a3e0/99065ea391e7461eae4c94b03daf5282/FLAGfadc3428b [2022-10-16 16:41:19,946 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:41:19,946 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 16:41:19,963 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f4f9a3e0/99065ea391e7461eae4c94b03daf5282/FLAGfadc3428b [2022-10-16 16:41:20,229 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f4f9a3e0/99065ea391e7461eae4c94b03daf5282 [2022-10-16 16:41:20,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:41:20,238 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:41:20,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:41:20,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:41:20,249 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:41:20,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:41:20" (1/1) ... [2022-10-16 16:41:20,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f883f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:41:20, skipping insertion in model container [2022-10-16 16:41:20,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:41:20" (1/1) ... [2022-10-16 16:41:20,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:41:20,317 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:41:20,622 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[10504,10517] [2022-10-16 16:41:20,696 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13076,13089] [2022-10-16 16:41:20,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:41:20,869 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:41:20,969 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[10504,10517] [2022-10-16 16:41:21,008 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13076,13089] [2022-10-16 16:41:21,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:41:21,173 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:41:21,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:41:21 WrapperNode [2022-10-16 16:41:21,173 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:41:21,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:41:21,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:41:21,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:41:21,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:41:21" (1/1) ... [2022-10-16 16:41:21,249 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:41:21" (1/1) ... [2022-10-16 16:41:21,343 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1151 [2022-10-16 16:41:21,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:41:21,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:41:21,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:41:21,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:41:21,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:41:21" (1/1) ... [2022-10-16 16:41:21,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:41:21" (1/1) ... [2022-10-16 16:41:21,373 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:41:21" (1/1) ... [2022-10-16 16:41:21,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:41:21" (1/1) ... [2022-10-16 16:41:21,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:41:21" (1/1) ... [2022-10-16 16:41:21,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:41:21" (1/1) ... [2022-10-16 16:41:21,421 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:41:21" (1/1) ... [2022-10-16 16:41:21,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:41:21" (1/1) ... [2022-10-16 16:41:21,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:41:21,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:41:21,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:41:21,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:41:21,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:41:21" (1/1) ... [2022-10-16 16:41:21,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:41:21,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:41:21,485 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) [2022-10-16 16:41:21,503 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 [2022-10-16 16:41:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:41:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:41:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:41:21,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:41:21,692 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:41:21,694 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:41:22,904 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:41:22,918 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:41:22,918 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:41:22,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:41:22 BoogieIcfgContainer [2022-10-16 16:41:22,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:41:22,925 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:41:22,925 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:41:22,929 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:41:22,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:41:20" (1/3) ... [2022-10-16 16:41:22,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5417ef25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:41:22, skipping insertion in model container [2022-10-16 16:41:22,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:41:21" (2/3) ... [2022-10-16 16:41:22,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5417ef25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:41:22, skipping insertion in model container [2022-10-16 16:41:22,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:41:22" (3/3) ... [2022-10-16 16:41:22,932 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 16:41:22,955 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:41:22,956 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 92 error locations. [2022-10-16 16:41:23,074 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:41:23,087 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;@4aeea45b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:41:23,087 INFO L358 AbstractCegarLoop]: Starting to check reachability of 92 error locations. [2022-10-16 16:41:23,098 INFO L276 IsEmpty]: Start isEmpty. Operand has 447 states, 354 states have (on average 1.8418079096045197) internal successors, (652), 446 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:23,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 16:41:23,121 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:41:23,122 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, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:41:23,123 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-16 16:41:23,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:41:23,129 INFO L85 PathProgramCache]: Analyzing trace with hash -448108190, now seen corresponding path program 1 times [2022-10-16 16:41:23,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:41:23,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428400594] [2022-10-16 16:41:23,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:41:23,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:41:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:41:23,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:41:23,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:41:23,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428400594] [2022-10-16 16:41:23,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428400594] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:41:23,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:41:23,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:41:23,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871760845] [2022-10-16 16:41:23,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:41:23,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:41:23,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:41:23,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:41:23,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:41:23,917 INFO L87 Difference]: Start difference. First operand has 447 states, 354 states have (on average 1.8418079096045197) internal successors, (652), 446 states have internal predecessors, (652), 0 states have call successors, (0), 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 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:24,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:41:24,307 INFO L93 Difference]: Finished difference Result 598 states and 874 transitions. [2022-10-16 16:41:24,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:41:24,311 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 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 61 [2022-10-16 16:41:24,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:41:24,342 INFO L225 Difference]: With dead ends: 598 [2022-10-16 16:41:24,342 INFO L226 Difference]: Without dead ends: 564 [2022-10-16 16:41:24,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:41:24,351 INFO L413 NwaCegarLoop]: 527 mSDtfsCounter, 489 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 739 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:41:24,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 739 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:41:24,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2022-10-16 16:41:24,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 544. [2022-10-16 16:41:24,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 472 states have (on average 1.5995762711864407) internal successors, (755), 543 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:24,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 755 transitions. [2022-10-16 16:41:24,447 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 755 transitions. Word has length 61 [2022-10-16 16:41:24,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:41:24,448 INFO L495 AbstractCegarLoop]: Abstraction has 544 states and 755 transitions. [2022-10-16 16:41:24,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:24,449 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 755 transitions. [2022-10-16 16:41:24,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 16:41:24,452 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:41:24,452 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:41:24,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:41:24,453 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-16 16:41:24,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:41:24,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1006451726, now seen corresponding path program 1 times [2022-10-16 16:41:24,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:41:24,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406228231] [2022-10-16 16:41:24,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:41:24,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:41:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:41:24,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:41:24,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:41:24,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406228231] [2022-10-16 16:41:24,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406228231] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:41:24,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:41:24,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:41:24,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300511915] [2022-10-16 16:41:24,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:41:24,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:41:24,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:41:24,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:41:24,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:41:24,700 INFO L87 Difference]: Start difference. First operand 544 states and 755 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:24,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:41:24,934 INFO L93 Difference]: Finished difference Result 567 states and 755 transitions. [2022-10-16 16:41:24,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:41:24,935 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 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 62 [2022-10-16 16:41:24,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:41:24,940 INFO L225 Difference]: With dead ends: 567 [2022-10-16 16:41:24,940 INFO L226 Difference]: Without dead ends: 560 [2022-10-16 16:41:24,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:41:24,944 INFO L413 NwaCegarLoop]: 457 mSDtfsCounter, 413 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:41:24,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 658 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:41:24,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2022-10-16 16:41:25,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 540. [2022-10-16 16:41:25,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 472 states have (on average 1.5847457627118644) internal successors, (748), 539 states have internal predecessors, (748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:25,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 748 transitions. [2022-10-16 16:41:25,007 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 748 transitions. Word has length 62 [2022-10-16 16:41:25,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:41:25,008 INFO L495 AbstractCegarLoop]: Abstraction has 540 states and 748 transitions. [2022-10-16 16:41:25,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:25,008 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 748 transitions. [2022-10-16 16:41:25,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 16:41:25,019 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:41:25,020 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:41:25,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:41:25,020 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-16 16:41:25,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:41:25,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1135232156, now seen corresponding path program 1 times [2022-10-16 16:41:25,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:41:25,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912841428] [2022-10-16 16:41:25,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:41:25,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:41:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:41:25,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:41:25,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:41:25,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912841428] [2022-10-16 16:41:25,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912841428] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:41:25,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:41:25,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:41:25,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826241205] [2022-10-16 16:41:25,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:41:25,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:41:25,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:41:25,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:41:25,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:41:25,304 INFO L87 Difference]: Start difference. First operand 540 states and 748 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:25,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:41:25,859 INFO L93 Difference]: Finished difference Result 1398 states and 2002 transitions. [2022-10-16 16:41:25,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:41:25,859 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 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 63 [2022-10-16 16:41:25,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:41:25,867 INFO L225 Difference]: With dead ends: 1398 [2022-10-16 16:41:25,867 INFO L226 Difference]: Without dead ends: 1124 [2022-10-16 16:41:25,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:41:25,871 INFO L413 NwaCegarLoop]: 437 mSDtfsCounter, 1988 mSDsluCounter, 1351 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1988 SdHoareTripleChecker+Valid, 1788 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:41:25,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1988 Valid, 1788 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:41:25,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1124 states. [2022-10-16 16:41:25,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1124 to 780. [2022-10-16 16:41:25,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 780 states, 716 states have (on average 1.606145251396648) internal successors, (1150), 779 states have internal predecessors, (1150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:25,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1150 transitions. [2022-10-16 16:41:25,933 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1150 transitions. Word has length 63 [2022-10-16 16:41:25,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:41:25,934 INFO L495 AbstractCegarLoop]: Abstraction has 780 states and 1150 transitions. [2022-10-16 16:41:25,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:25,935 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1150 transitions. [2022-10-16 16:41:25,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 16:41:25,936 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:41:25,936 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:41:25,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:41:25,936 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-16 16:41:25,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:41:25,937 INFO L85 PathProgramCache]: Analyzing trace with hash -832458188, now seen corresponding path program 1 times [2022-10-16 16:41:25,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:41:25,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358559105] [2022-10-16 16:41:25,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:41:25,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:41:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:41:26,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:41:26,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:41:26,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358559105] [2022-10-16 16:41:26,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358559105] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:41:26,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:41:26,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:41:26,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342734391] [2022-10-16 16:41:26,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:41:26,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:41:26,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:41:26,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:41:26,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:41:26,106 INFO L87 Difference]: Start difference. First operand 780 states and 1150 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:26,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:41:26,558 INFO L93 Difference]: Finished difference Result 1328 states and 1989 transitions. [2022-10-16 16:41:26,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:41:26,559 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-10-16 16:41:26,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:41:26,569 INFO L225 Difference]: With dead ends: 1328 [2022-10-16 16:41:26,570 INFO L226 Difference]: Without dead ends: 1318 [2022-10-16 16:41:26,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:41:26,582 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 2039 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2039 SdHoareTripleChecker+Valid, 1146 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:41:26,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2039 Valid, 1146 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:41:26,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1318 states. [2022-10-16 16:41:26,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1318 to 1264. [2022-10-16 16:41:26,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1264 states, 1204 states have (on average 1.6262458471760797) internal successors, (1958), 1263 states have internal predecessors, (1958), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:26,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1264 states and 1958 transitions. [2022-10-16 16:41:26,687 INFO L78 Accepts]: Start accepts. Automaton has 1264 states and 1958 transitions. Word has length 64 [2022-10-16 16:41:26,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:41:26,687 INFO L495 AbstractCegarLoop]: Abstraction has 1264 states and 1958 transitions. [2022-10-16 16:41:26,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:26,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1958 transitions. [2022-10-16 16:41:26,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 16:41:26,690 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:41:26,690 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:41:26,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:41:26,691 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-16 16:41:26,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:41:26,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1128392554, now seen corresponding path program 1 times [2022-10-16 16:41:26,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:41:26,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328372950] [2022-10-16 16:41:26,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:41:26,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:41:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:41:26,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:41:26,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:41:26,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328372950] [2022-10-16 16:41:26,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328372950] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:41:26,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:41:26,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:41:26,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592462173] [2022-10-16 16:41:26,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:41:26,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:41:26,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:41:26,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:41:26,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:41:26,842 INFO L87 Difference]: Start difference. First operand 1264 states and 1958 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:27,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:41:27,119 INFO L93 Difference]: Finished difference Result 1653 states and 2571 transitions. [2022-10-16 16:41:27,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:41:27,120 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 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 66 [2022-10-16 16:41:27,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:41:27,153 INFO L225 Difference]: With dead ends: 1653 [2022-10-16 16:41:27,153 INFO L226 Difference]: Without dead ends: 1652 [2022-10-16 16:41:27,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:41:27,154 INFO L413 NwaCegarLoop]: 463 mSDtfsCounter, 505 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 1031 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:41:27,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [505 Valid, 1031 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:41:27,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1652 states. [2022-10-16 16:41:27,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1652 to 1263. [2022-10-16 16:41:27,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1263 states, 1204 states have (on average 1.6254152823920265) internal successors, (1957), 1262 states have internal predecessors, (1957), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:27,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 1263 states and 1957 transitions. [2022-10-16 16:41:27,257 INFO L78 Accepts]: Start accepts. Automaton has 1263 states and 1957 transitions. Word has length 66 [2022-10-16 16:41:27,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:41:27,259 INFO L495 AbstractCegarLoop]: Abstraction has 1263 states and 1957 transitions. [2022-10-16 16:41:27,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:27,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1957 transitions. [2022-10-16 16:41:27,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 16:41:27,260 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:41:27,260 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:41:27,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:41:27,262 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-16 16:41:27,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:41:27,271 INFO L85 PathProgramCache]: Analyzing trace with hash -620430519, now seen corresponding path program 1 times [2022-10-16 16:41:27,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:41:27,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907635356] [2022-10-16 16:41:27,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:41:27,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:41:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:41:27,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:41:27,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:41:27,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907635356] [2022-10-16 16:41:27,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907635356] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:41:27,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:41:27,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:41:27,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568286757] [2022-10-16 16:41:27,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:41:27,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:41:27,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:41:27,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:41:27,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:41:27,389 INFO L87 Difference]: Start difference. First operand 1263 states and 1957 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:27,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:41:27,707 INFO L93 Difference]: Finished difference Result 2020 states and 3192 transitions. [2022-10-16 16:41:27,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:41:27,708 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 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 67 [2022-10-16 16:41:27,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:41:27,722 INFO L225 Difference]: With dead ends: 2020 [2022-10-16 16:41:27,722 INFO L226 Difference]: Without dead ends: 2017 [2022-10-16 16:41:27,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:41:27,725 INFO L413 NwaCegarLoop]: 410 mSDtfsCounter, 1042 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1042 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:41:27,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1042 Valid, 724 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:41:27,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2017 states. [2022-10-16 16:41:27,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2017 to 1987. [2022-10-16 16:41:27,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1987 states, 1930 states have (on average 1.6424870466321244) internal successors, (3170), 1986 states have internal predecessors, (3170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:27,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1987 states to 1987 states and 3170 transitions. [2022-10-16 16:41:27,939 INFO L78 Accepts]: Start accepts. Automaton has 1987 states and 3170 transitions. Word has length 67 [2022-10-16 16:41:27,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:41:27,943 INFO L495 AbstractCegarLoop]: Abstraction has 1987 states and 3170 transitions. [2022-10-16 16:41:27,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:27,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1987 states and 3170 transitions. [2022-10-16 16:41:27,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 16:41:27,945 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:41:27,945 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:41:27,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:41:27,946 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-16 16:41:27,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:41:27,946 INFO L85 PathProgramCache]: Analyzing trace with hash 766734667, now seen corresponding path program 1 times [2022-10-16 16:41:27,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:41:27,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868938597] [2022-10-16 16:41:27,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:41:27,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:41:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:41:28,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:41:28,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:41:28,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868938597] [2022-10-16 16:41:28,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868938597] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:41:28,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:41:28,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:41:28,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151528489] [2022-10-16 16:41:28,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:41:28,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:41:28,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:41:28,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:41:28,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:41:28,085 INFO L87 Difference]: Start difference. First operand 1987 states and 3170 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:28,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:41:28,531 INFO L93 Difference]: Finished difference Result 5467 states and 8886 transitions. [2022-10-16 16:41:28,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:41:28,531 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 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 69 [2022-10-16 16:41:28,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:41:28,554 INFO L225 Difference]: With dead ends: 5467 [2022-10-16 16:41:28,555 INFO L226 Difference]: Without dead ends: 3736 [2022-10-16 16:41:28,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:41:28,583 INFO L413 NwaCegarLoop]: 420 mSDtfsCounter, 1097 mSDsluCounter, 604 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1097 SdHoareTripleChecker+Valid, 1024 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:41:28,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1097 Valid, 1024 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:41:28,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3736 states. [2022-10-16 16:41:28,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3736 to 2949. [2022-10-16 16:41:28,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2949 states, 2895 states have (on average 1.6466321243523316) internal successors, (4767), 2948 states have internal predecessors, (4767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:28,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2949 states to 2949 states and 4767 transitions. [2022-10-16 16:41:28,800 INFO L78 Accepts]: Start accepts. Automaton has 2949 states and 4767 transitions. Word has length 69 [2022-10-16 16:41:28,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:41:28,801 INFO L495 AbstractCegarLoop]: Abstraction has 2949 states and 4767 transitions. [2022-10-16 16:41:28,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:28,801 INFO L276 IsEmpty]: Start isEmpty. Operand 2949 states and 4767 transitions. [2022-10-16 16:41:28,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 16:41:28,802 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:41:28,802 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:41:28,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:41:28,803 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-16 16:41:28,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:41:28,804 INFO L85 PathProgramCache]: Analyzing trace with hash -2001028805, now seen corresponding path program 1 times [2022-10-16 16:41:28,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:41:28,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176492573] [2022-10-16 16:41:28,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:41:28,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:41:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:41:28,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:41:28,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:41:28,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176492573] [2022-10-16 16:41:28,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176492573] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:41:28,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:41:28,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:41:28,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581715941] [2022-10-16 16:41:28,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:41:28,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:41:28,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:41:28,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:41:28,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:41:28,904 INFO L87 Difference]: Start difference. First operand 2949 states and 4767 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:29,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:41:29,378 INFO L93 Difference]: Finished difference Result 4432 states and 7219 transitions. [2022-10-16 16:41:29,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:41:29,379 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 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 70 [2022-10-16 16:41:29,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:41:29,403 INFO L225 Difference]: With dead ends: 4432 [2022-10-16 16:41:29,404 INFO L226 Difference]: Without dead ends: 4428 [2022-10-16 16:41:29,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:41:29,406 INFO L413 NwaCegarLoop]: 407 mSDtfsCounter, 1077 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1077 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:41:29,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1077 Valid, 684 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:41:29,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4428 states. [2022-10-16 16:41:29,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4428 to 4392. [2022-10-16 16:41:29,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4392 states, 4341 states have (on average 1.6516931582584657) internal successors, (7170), 4391 states have internal predecessors, (7170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:29,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4392 states to 4392 states and 7170 transitions. [2022-10-16 16:41:29,771 INFO L78 Accepts]: Start accepts. Automaton has 4392 states and 7170 transitions. Word has length 70 [2022-10-16 16:41:29,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:41:29,772 INFO L495 AbstractCegarLoop]: Abstraction has 4392 states and 7170 transitions. [2022-10-16 16:41:29,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:29,772 INFO L276 IsEmpty]: Start isEmpty. Operand 4392 states and 7170 transitions. [2022-10-16 16:41:29,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 16:41:29,773 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:41:29,773 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:41:29,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:41:29,774 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-16 16:41:29,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:41:29,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1156676509, now seen corresponding path program 1 times [2022-10-16 16:41:29,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:41:29,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377393360] [2022-10-16 16:41:29,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:41:29,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:41:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:41:29,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:41:29,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:41:29,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377393360] [2022-10-16 16:41:29,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377393360] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:41:29,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:41:29,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:41:29,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696344467] [2022-10-16 16:41:29,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:41:29,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:41:29,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:41:29,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:41:29,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:41:29,872 INFO L87 Difference]: Start difference. First operand 4392 states and 7170 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:30,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:41:30,826 INFO L93 Difference]: Finished difference Result 16321 states and 26943 transitions. [2022-10-16 16:41:30,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:41:30,827 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2022-10-16 16:41:30,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:41:30,889 INFO L225 Difference]: With dead ends: 16321 [2022-10-16 16:41:30,889 INFO L226 Difference]: Without dead ends: 12179 [2022-10-16 16:41:30,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:41:30,900 INFO L413 NwaCegarLoop]: 445 mSDtfsCounter, 1081 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1081 SdHoareTripleChecker+Valid, 1061 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:41:30,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1081 Valid, 1061 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:41:30,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12179 states. [2022-10-16 16:41:31,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12179 to 8227. [2022-10-16 16:41:31,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8227 states, 8179 states have (on average 1.6503240004890574) internal successors, (13498), 8226 states have internal predecessors, (13498), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:31,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8227 states to 8227 states and 13498 transitions. [2022-10-16 16:41:31,776 INFO L78 Accepts]: Start accepts. Automaton has 8227 states and 13498 transitions. Word has length 72 [2022-10-16 16:41:31,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:41:31,777 INFO L495 AbstractCegarLoop]: Abstraction has 8227 states and 13498 transitions. [2022-10-16 16:41:31,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:31,777 INFO L276 IsEmpty]: Start isEmpty. Operand 8227 states and 13498 transitions. [2022-10-16 16:41:31,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:41:31,778 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:41:31,778 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:41:31,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:41:31,780 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-16 16:41:31,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:41:31,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1497233712, now seen corresponding path program 1 times [2022-10-16 16:41:31,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:41:31,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945113006] [2022-10-16 16:41:31,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:41:31,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:41:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:41:31,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:41:31,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:41:31,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945113006] [2022-10-16 16:41:31,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945113006] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:41:31,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:41:31,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:41:31,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842700827] [2022-10-16 16:41:31,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:41:31,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:41:31,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:41:31,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:41:31,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:41:31,909 INFO L87 Difference]: Start difference. First operand 8227 states and 13498 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:33,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:41:33,156 INFO L93 Difference]: Finished difference Result 12365 states and 20353 transitions. [2022-10-16 16:41:33,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:41:33,157 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 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 73 [2022-10-16 16:41:33,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:41:33,202 INFO L225 Difference]: With dead ends: 12365 [2022-10-16 16:41:33,203 INFO L226 Difference]: Without dead ends: 12361 [2022-10-16 16:41:33,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:41:33,209 INFO L413 NwaCegarLoop]: 445 mSDtfsCounter, 1076 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1076 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:41:33,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1076 Valid, 744 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:41:33,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12361 states. [2022-10-16 16:41:34,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12361 to 12303. [2022-10-16 16:41:34,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12303 states, 12258 states have (on average 1.6492086800456844) internal successors, (20216), 12302 states have internal predecessors, (20216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:34,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12303 states to 12303 states and 20216 transitions. [2022-10-16 16:41:34,310 INFO L78 Accepts]: Start accepts. Automaton has 12303 states and 20216 transitions. Word has length 73 [2022-10-16 16:41:34,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:41:34,310 INFO L495 AbstractCegarLoop]: Abstraction has 12303 states and 20216 transitions. [2022-10-16 16:41:34,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:34,312 INFO L276 IsEmpty]: Start isEmpty. Operand 12303 states and 20216 transitions. [2022-10-16 16:41:34,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 16:41:34,312 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:41:34,312 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:41:34,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:41:34,313 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-16 16:41:34,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:41:34,314 INFO L85 PathProgramCache]: Analyzing trace with hash 656967230, now seen corresponding path program 1 times [2022-10-16 16:41:34,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:41:34,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340204308] [2022-10-16 16:41:34,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:41:34,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:41:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:41:34,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:41:34,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:41:34,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340204308] [2022-10-16 16:41:34,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340204308] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:41:34,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:41:34,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:41:34,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797276736] [2022-10-16 16:41:34,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:41:34,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:41:34,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:41:34,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:41:34,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:41:34,456 INFO L87 Difference]: Start difference. First operand 12303 states and 20216 transitions. Second operand has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:35,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:41:35,384 INFO L93 Difference]: Finished difference Result 12303 states and 20216 transitions. [2022-10-16 16:41:35,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:41:35,385 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 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 83 [2022-10-16 16:41:35,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:41:35,422 INFO L225 Difference]: With dead ends: 12303 [2022-10-16 16:41:35,422 INFO L226 Difference]: Without dead ends: 12302 [2022-10-16 16:41:35,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:41:35,430 INFO L413 NwaCegarLoop]: 497 mSDtfsCounter, 316 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 1075 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:41:35,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 1075 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:41:35,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12302 states. [2022-10-16 16:41:36,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12302 to 12302. [2022-10-16 16:41:36,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12302 states, 12258 states have (on average 1.649127100668951) internal successors, (20215), 12301 states have internal predecessors, (20215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:36,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12302 states to 12302 states and 20215 transitions. [2022-10-16 16:41:36,410 INFO L78 Accepts]: Start accepts. Automaton has 12302 states and 20215 transitions. Word has length 83 [2022-10-16 16:41:36,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:41:36,410 INFO L495 AbstractCegarLoop]: Abstraction has 12302 states and 20215 transitions. [2022-10-16 16:41:36,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:36,411 INFO L276 IsEmpty]: Start isEmpty. Operand 12302 states and 20215 transitions. [2022-10-16 16:41:36,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 16:41:36,412 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:41:36,412 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:41:36,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:41:36,412 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-16 16:41:36,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:41:36,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1108852018, now seen corresponding path program 1 times [2022-10-16 16:41:36,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:41:36,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768466841] [2022-10-16 16:41:36,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:41:36,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:41:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:41:36,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:41:36,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:41:36,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768466841] [2022-10-16 16:41:36,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768466841] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:41:36,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:41:36,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:41:36,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330649547] [2022-10-16 16:41:36,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:41:36,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:41:36,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:41:36,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:41:36,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:41:36,554 INFO L87 Difference]: Start difference. First operand 12302 states and 20215 transitions. Second operand has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:37,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:41:37,912 INFO L93 Difference]: Finished difference Result 21597 states and 35601 transitions. [2022-10-16 16:41:37,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:41:37,913 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2022-10-16 16:41:37,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:41:37,959 INFO L225 Difference]: With dead ends: 21597 [2022-10-16 16:41:37,960 INFO L226 Difference]: Without dead ends: 21594 [2022-10-16 16:41:37,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:41:37,969 INFO L413 NwaCegarLoop]: 637 mSDtfsCounter, 788 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 788 SdHoareTripleChecker+Valid, 984 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:41:37,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [788 Valid, 984 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:41:37,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21594 states. [2022-10-16 16:41:39,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21594 to 21572. [2022-10-16 16:41:39,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21572 states, 21529 states have (on average 1.6464303962097635) internal successors, (35446), 21571 states have internal predecessors, (35446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:39,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21572 states to 21572 states and 35446 transitions. [2022-10-16 16:41:39,822 INFO L78 Accepts]: Start accepts. Automaton has 21572 states and 35446 transitions. Word has length 84 [2022-10-16 16:41:39,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:41:39,823 INFO L495 AbstractCegarLoop]: Abstraction has 21572 states and 35446 transitions. [2022-10-16 16:41:39,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:39,823 INFO L276 IsEmpty]: Start isEmpty. Operand 21572 states and 35446 transitions. [2022-10-16 16:41:39,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 16:41:39,824 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:41:39,824 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:41:39,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:41:39,825 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-16 16:41:39,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:41:39,825 INFO L85 PathProgramCache]: Analyzing trace with hash -14673856, now seen corresponding path program 1 times [2022-10-16 16:41:39,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:41:39,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985355790] [2022-10-16 16:41:39,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:41:39,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:41:39,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:41:39,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:41:39,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:41:39,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985355790] [2022-10-16 16:41:39,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985355790] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:41:39,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:41:39,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:41:39,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028860865] [2022-10-16 16:41:39,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:41:39,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:41:39,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:41:39,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:41:39,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:41:39,955 INFO L87 Difference]: Start difference. First operand 21572 states and 35446 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:42,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:41:42,674 INFO L93 Difference]: Finished difference Result 64222 states and 105724 transitions. [2022-10-16 16:41:42,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:41:42,674 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 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 85 [2022-10-16 16:41:42,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:41:42,771 INFO L225 Difference]: With dead ends: 64222 [2022-10-16 16:41:42,771 INFO L226 Difference]: Without dead ends: 42894 [2022-10-16 16:41:42,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:41:42,814 INFO L413 NwaCegarLoop]: 664 mSDtfsCounter, 690 mSDsluCounter, 1195 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 690 SdHoareTripleChecker+Valid, 1859 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:41:42,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [690 Valid, 1859 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:41:42,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42894 states. [2022-10-16 16:41:46,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42894 to 42872. [2022-10-16 16:41:46,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42872 states, 42830 states have (on average 1.63560588372636) internal successors, (70053), 42871 states have internal predecessors, (70053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:46,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42872 states to 42872 states and 70053 transitions. [2022-10-16 16:41:46,277 INFO L78 Accepts]: Start accepts. Automaton has 42872 states and 70053 transitions. Word has length 85 [2022-10-16 16:41:46,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:41:46,277 INFO L495 AbstractCegarLoop]: Abstraction has 42872 states and 70053 transitions. [2022-10-16 16:41:46,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:46,278 INFO L276 IsEmpty]: Start isEmpty. Operand 42872 states and 70053 transitions. [2022-10-16 16:41:46,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 16:41:46,278 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:41:46,279 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:41:46,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:41:46,279 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-16 16:41:46,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:41:46,280 INFO L85 PathProgramCache]: Analyzing trace with hash -454889200, now seen corresponding path program 1 times [2022-10-16 16:41:46,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:41:46,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742559308] [2022-10-16 16:41:46,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:41:46,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:41:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:41:46,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:41:46,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:41:46,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742559308] [2022-10-16 16:41:46,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742559308] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:41:46,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:41:46,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:41:46,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134544356] [2022-10-16 16:41:46,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:41:46,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:41:46,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:41:46,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:41:46,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:41:46,409 INFO L87 Difference]: Start difference. First operand 42872 states and 70053 transitions. Second operand has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:50,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:41:50,851 INFO L93 Difference]: Finished difference Result 64237 states and 105192 transitions. [2022-10-16 16:41:50,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:41:50,852 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2022-10-16 16:41:50,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:41:50,994 INFO L225 Difference]: With dead ends: 64237 [2022-10-16 16:41:50,995 INFO L226 Difference]: Without dead ends: 64234 [2022-10-16 16:41:51,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:41:51,019 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 1355 mSDsluCounter, 962 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1355 SdHoareTripleChecker+Valid, 1766 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:41:51,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1355 Valid, 1766 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:41:51,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64234 states. [2022-10-16 16:41:55,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64234 to 64172. [2022-10-16 16:41:55,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64172 states, 64131 states have (on average 1.6292120815206375) internal successors, (104483), 64171 states have internal predecessors, (104483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:55,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64172 states to 64172 states and 104483 transitions. [2022-10-16 16:41:55,879 INFO L78 Accepts]: Start accepts. Automaton has 64172 states and 104483 transitions. Word has length 86 [2022-10-16 16:41:55,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:41:55,879 INFO L495 AbstractCegarLoop]: Abstraction has 64172 states and 104483 transitions. [2022-10-16 16:41:55,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:41:55,879 INFO L276 IsEmpty]: Start isEmpty. Operand 64172 states and 104483 transitions. [2022-10-16 16:41:55,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 16:41:55,880 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:41:55,880 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:41:55,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:41:55,881 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-16 16:41:55,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:41:55,881 INFO L85 PathProgramCache]: Analyzing trace with hash -286847904, now seen corresponding path program 1 times [2022-10-16 16:41:55,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:41:55,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934530883] [2022-10-16 16:41:55,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:41:55,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:41:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:41:56,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:41:56,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:41:56,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934530883] [2022-10-16 16:41:56,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934530883] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:41:56,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:41:56,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:41:56,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318612156] [2022-10-16 16:41:56,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:41:56,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:41:56,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:41:56,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:41:56,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:41:56,066 INFO L87 Difference]: Start difference. First operand 64172 states and 104483 transitions. Second operand has 4 states, 3 states have (on average 38.333333333333336) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:01,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:01,531 INFO L93 Difference]: Finished difference Result 77262 states and 125957 transitions. [2022-10-16 16:42:01,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:42:01,531 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 38.333333333333336) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 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 115 [2022-10-16 16:42:01,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:01,649 INFO L225 Difference]: With dead ends: 77262 [2022-10-16 16:42:01,649 INFO L226 Difference]: Without dead ends: 77257 [2022-10-16 16:42:01,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:42:01,666 INFO L413 NwaCegarLoop]: 612 mSDtfsCounter, 625 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 625 SdHoareTripleChecker+Valid, 1165 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:01,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [625 Valid, 1165 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:42:01,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77257 states. [2022-10-16 16:42:07,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77257 to 77220. [2022-10-16 16:42:07,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77220 states, 77181 states have (on average 1.6256462082636918) internal successors, (125469), 77219 states have internal predecessors, (125469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:07,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77220 states to 77220 states and 125469 transitions. [2022-10-16 16:42:07,310 INFO L78 Accepts]: Start accepts. Automaton has 77220 states and 125469 transitions. Word has length 115 [2022-10-16 16:42:07,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:07,311 INFO L495 AbstractCegarLoop]: Abstraction has 77220 states and 125469 transitions. [2022-10-16 16:42:07,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 38.333333333333336) internal successors, (115), 4 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:07,311 INFO L276 IsEmpty]: Start isEmpty. Operand 77220 states and 125469 transitions. [2022-10-16 16:42:07,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 16:42:07,312 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:07,312 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:42:07,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:42:07,313 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-16 16:42:07,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:07,313 INFO L85 PathProgramCache]: Analyzing trace with hash -302349984, now seen corresponding path program 1 times [2022-10-16 16:42:07,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:07,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557659897] [2022-10-16 16:42:07,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:07,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:07,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:07,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:07,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557659897] [2022-10-16 16:42:07,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557659897] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:07,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:07,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:42:07,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999294605] [2022-10-16 16:42:07,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:07,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:42:07,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:07,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:42:07,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:42:07,503 INFO L87 Difference]: Start difference. First operand 77220 states and 125469 transitions. Second operand has 4 states, 3 states have (on average 38.666666666666664) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:13,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:13,990 INFO L93 Difference]: Finished difference Result 90292 states and 146619 transitions. [2022-10-16 16:42:13,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:42:13,991 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 38.666666666666664) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 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 116 [2022-10-16 16:42:13,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:14,141 INFO L225 Difference]: With dead ends: 90292 [2022-10-16 16:42:14,141 INFO L226 Difference]: Without dead ends: 90287 [2022-10-16 16:42:14,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:42:14,161 INFO L413 NwaCegarLoop]: 598 mSDtfsCounter, 622 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 622 SdHoareTripleChecker+Valid, 977 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:14,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [622 Valid, 977 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 16:42:14,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90287 states. [2022-10-16 16:42:19,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90287 to 77215. [2022-10-16 16:42:19,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77215 states, 77181 states have (on average 1.6109275598916832) internal successors, (124333), 77214 states have internal predecessors, (124333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:20,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77215 states to 77215 states and 124333 transitions. [2022-10-16 16:42:20,168 INFO L78 Accepts]: Start accepts. Automaton has 77215 states and 124333 transitions. Word has length 116 [2022-10-16 16:42:20,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:20,169 INFO L495 AbstractCegarLoop]: Abstraction has 77215 states and 124333 transitions. [2022-10-16 16:42:20,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 38.666666666666664) internal successors, (116), 4 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:20,170 INFO L276 IsEmpty]: Start isEmpty. Operand 77215 states and 124333 transitions. [2022-10-16 16:42:20,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-16 16:42:20,176 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:20,176 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:42:20,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:42:20,177 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-16 16:42:20,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:20,178 INFO L85 PathProgramCache]: Analyzing trace with hash -782914462, now seen corresponding path program 1 times [2022-10-16 16:42:20,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:20,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160309416] [2022-10-16 16:42:20,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:20,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:20,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:20,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:20,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160309416] [2022-10-16 16:42:20,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160309416] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:20,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:20,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:42:20,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995041191] [2022-10-16 16:42:20,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:20,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:42:20,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:20,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:42:20,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:42:20,357 INFO L87 Difference]: Start difference. First operand 77215 states and 124333 transitions. Second operand has 5 states, 4 states have (on average 29.25) internal successors, (117), 5 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) [2022-10-16 16:42:26,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:26,713 INFO L93 Difference]: Finished difference Result 156426 states and 251950 transitions. [2022-10-16 16:42:26,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:42:26,713 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.25) internal successors, (117), 5 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) Word has length 117 [2022-10-16 16:42:26,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:26,870 INFO L225 Difference]: With dead ends: 156426 [2022-10-16 16:42:26,870 INFO L226 Difference]: Without dead ends: 84896 [2022-10-16 16:42:26,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:42:26,937 INFO L413 NwaCegarLoop]: 592 mSDtfsCounter, 1194 mSDsluCounter, 993 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1194 SdHoareTripleChecker+Valid, 1585 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:26,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1194 Valid, 1585 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 339 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:42:26,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84896 states. [2022-10-16 16:42:32,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84896 to 84851. [2022-10-16 16:42:33,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84851 states, 84819 states have (on average 1.6057605017743666) internal successors, (136199), 84850 states have internal predecessors, (136199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:33,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84851 states to 84851 states and 136199 transitions. [2022-10-16 16:42:33,427 INFO L78 Accepts]: Start accepts. Automaton has 84851 states and 136199 transitions. Word has length 117 [2022-10-16 16:42:33,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:33,427 INFO L495 AbstractCegarLoop]: Abstraction has 84851 states and 136199 transitions. [2022-10-16 16:42:33,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.25) internal successors, (117), 5 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) [2022-10-16 16:42:33,428 INFO L276 IsEmpty]: Start isEmpty. Operand 84851 states and 136199 transitions. [2022-10-16 16:42:33,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 16:42:33,441 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:33,441 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:42:33,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:42:33,442 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-16 16:42:33,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:33,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1499455906, now seen corresponding path program 1 times [2022-10-16 16:42:33,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:33,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57270915] [2022-10-16 16:42:33,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:33,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:33,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:33,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:33,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:33,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57270915] [2022-10-16 16:42:33,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57270915] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:33,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:33,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:42:33,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381514806] [2022-10-16 16:42:33,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:33,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:42:33,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:33,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:42:33,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:42:33,649 INFO L87 Difference]: Start difference. First operand 84851 states and 136199 transitions. Second operand has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:42,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:42:42,348 INFO L93 Difference]: Finished difference Result 194765 states and 314347 transitions. [2022-10-16 16:42:42,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:42:42,349 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 0 states have call successors, (0), 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 118 [2022-10-16 16:42:42,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:42:42,612 INFO L225 Difference]: With dead ends: 194765 [2022-10-16 16:42:42,612 INFO L226 Difference]: Without dead ends: 116680 [2022-10-16 16:42:42,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:42:42,698 INFO L413 NwaCegarLoop]: 577 mSDtfsCounter, 1209 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1209 SdHoareTripleChecker+Valid, 1230 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:42:42,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1209 Valid, 1230 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:42:42,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116680 states. [2022-10-16 16:42:50,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116680 to 102165. [2022-10-16 16:42:50,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102165 states, 102135 states have (on average 1.6157144955206344) internal successors, (165021), 102164 states have internal predecessors, (165021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:50,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102165 states to 102165 states and 165021 transitions. [2022-10-16 16:42:50,933 INFO L78 Accepts]: Start accepts. Automaton has 102165 states and 165021 transitions. Word has length 118 [2022-10-16 16:42:50,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:42:50,934 INFO L495 AbstractCegarLoop]: Abstraction has 102165 states and 165021 transitions. [2022-10-16 16:42:50,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.5) internal successors, (118), 5 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:42:50,934 INFO L276 IsEmpty]: Start isEmpty. Operand 102165 states and 165021 transitions. [2022-10-16 16:42:50,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 16:42:50,936 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:42:50,936 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:42:50,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:42:50,937 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-16 16:42:50,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:42:50,937 INFO L85 PathProgramCache]: Analyzing trace with hash 782652985, now seen corresponding path program 1 times [2022-10-16 16:42:50,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:42:50,937 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030425538] [2022-10-16 16:42:50,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:42:50,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:42:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:42:51,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:42:51,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:42:51,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030425538] [2022-10-16 16:42:51,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030425538] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:42:51,042 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:42:51,042 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:42:51,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569938174] [2022-10-16 16:42:51,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:42:51,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:42:51,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:42:51,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:42:51,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:42:51,044 INFO L87 Difference]: Start difference. First operand 102165 states and 165021 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:43:06,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:43:06,722 INFO L93 Difference]: Finished difference Result 299563 states and 484283 transitions. [2022-10-16 16:43:06,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:43:06,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2022-10-16 16:43:06,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:43:07,229 INFO L225 Difference]: With dead ends: 299563 [2022-10-16 16:43:07,229 INFO L226 Difference]: Without dead ends: 197569 [2022-10-16 16:43:07,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:43:07,350 INFO L413 NwaCegarLoop]: 677 mSDtfsCounter, 299 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 991 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:43:07,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 991 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:43:07,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197569 states. [2022-10-16 16:43:23,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197569 to 197246. [2022-10-16 16:43:23,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197246 states, 197216 states have (on average 1.6164509978906376) internal successors, (318790), 197245 states have internal predecessors, (318790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:43:24,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197246 states to 197246 states and 318790 transitions. [2022-10-16 16:43:24,545 INFO L78 Accepts]: Start accepts. Automaton has 197246 states and 318790 transitions. Word has length 120 [2022-10-16 16:43:24,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:43:24,545 INFO L495 AbstractCegarLoop]: Abstraction has 197246 states and 318790 transitions. [2022-10-16 16:43:24,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:43:24,545 INFO L276 IsEmpty]: Start isEmpty. Operand 197246 states and 318790 transitions. [2022-10-16 16:43:24,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 16:43:24,546 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:43:24,547 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:43:24,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:43:24,547 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 89 more)] === [2022-10-16 16:43:24,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:43:24,548 INFO L85 PathProgramCache]: Analyzing trace with hash -2131871228, now seen corresponding path program 1 times [2022-10-16 16:43:24,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:43:24,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329539487] [2022-10-16 16:43:24,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:43:24,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:43:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:43:24,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:43:24,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:43:24,706 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329539487] [2022-10-16 16:43:24,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329539487] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:43:24,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:43:24,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:43:24,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014161381] [2022-10-16 16:43:24,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:43:24,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:43:24,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:43:24,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:43:24,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:43:24,708 INFO L87 Difference]: Start difference. First operand 197246 states and 318790 transitions. Second operand has 4 states, 3 states have (on average 40.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)