/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_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:42:23,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:42:23,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:42:23,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 15:42:23,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 15:42:23,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 15:42:23,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 15:42:23,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 15:42:23,970 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 15:42:23,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 15:42:23,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 15:42:23,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 15:42:23,975 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:42:23,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:42:23,977 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:42:23,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:42:23,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:42:23,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:42:23,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:42:23,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:42:24,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:42:24,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:42:24,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:42:24,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:42:24,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 15:42:24,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 15:42:24,020 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 15:42:24,024 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 15:42:24,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 15:42:24,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 15:42:24,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 15:42:24,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 15:42:24,028 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 15:42:24,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 15:42:24,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 15:42:24,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 15:42:24,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 15:42:24,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 15:42:24,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:42:24,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:42:24,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:42:24,037 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 15:42:24,100 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:42:24,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:42:24,101 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:42:24,101 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:42:24,103 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:42:24,104 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:42:24,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:42:24,107 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:42:24,107 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:42:24,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:42:24,108 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:42:24,109 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:42:24,109 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:42:24,109 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:42:24,109 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:42:24,109 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:42:24,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:42:24,110 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:42:24,110 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:42:24,110 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:42:24,110 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:42:24,111 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:42:24,111 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:42:24,111 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:42:24,111 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:42:24,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:42:24,112 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:42:24,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:42:24,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:42:24,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:42:24,113 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:42:24,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:42:24,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:42:24,114 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:42:24,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:42:24,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:42:24,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:42:24,586 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:42:24,587 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:42:24,588 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2022-10-16 15:42:24,670 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96a3b7599/bceecb6a4a8746f1a7ff7d9c2fe04bc1/FLAG69c91dd44 [2022-10-16 15:42:25,497 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:42:25,498 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2022-10-16 15:42:25,524 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96a3b7599/bceecb6a4a8746f1a7ff7d9c2fe04bc1/FLAG69c91dd44 [2022-10-16 15:42:25,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96a3b7599/bceecb6a4a8746f1a7ff7d9c2fe04bc1 [2022-10-16 15:42:25,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:42:25,781 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:42:25,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:42:25,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:42:25,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:42:25,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:42:25" (1/1) ... [2022-10-16 15:42:25,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d486198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:25, skipping insertion in model container [2022-10-16 15:42:25,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:42:25" (1/1) ... [2022-10-16 15:42:25,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:42:25,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:42:26,165 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_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[9615,9628] [2022-10-16 15:42:26,191 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_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[11969,11982] [2022-10-16 15:42:26,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:42:26,330 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:42:26,418 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_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[9615,9628] [2022-10-16 15:42:26,453 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_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c[11969,11982] [2022-10-16 15:42:26,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:42:26,559 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:42:26,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:26 WrapperNode [2022-10-16 15:42:26,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:42:26,561 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:42:26,561 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:42:26,562 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:42:26,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:26" (1/1) ... [2022-10-16 15:42:26,590 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:26" (1/1) ... [2022-10-16 15:42:26,677 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1062 [2022-10-16 15:42:26,677 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:42:26,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:42:26,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:42:26,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:42:26,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:26" (1/1) ... [2022-10-16 15:42:26,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:26" (1/1) ... [2022-10-16 15:42:26,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:26" (1/1) ... [2022-10-16 15:42:26,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:26" (1/1) ... [2022-10-16 15:42:26,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:26" (1/1) ... [2022-10-16 15:42:26,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:26" (1/1) ... [2022-10-16 15:42:26,779 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:26" (1/1) ... [2022-10-16 15:42:26,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:26" (1/1) ... [2022-10-16 15:42:26,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:42:26,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:42:26,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:42:26,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:42:26,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:26" (1/1) ... [2022-10-16 15:42:26,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:42:26,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:42:26,847 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 15:42:26,869 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 15:42:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:42:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:42:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:42:26,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:42:27,185 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:42:27,188 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:42:28,490 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:42:28,532 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:42:28,532 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 15:42:28,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:42:28 BoogieIcfgContainer [2022-10-16 15:42:28,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:42:28,538 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:42:28,539 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:42:28,542 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:42:28,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:42:25" (1/3) ... [2022-10-16 15:42:28,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2730b153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:42:28, skipping insertion in model container [2022-10-16 15:42:28,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:42:26" (2/3) ... [2022-10-16 15:42:28,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2730b153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:42:28, skipping insertion in model container [2022-10-16 15:42:28,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:42:28" (3/3) ... [2022-10-16 15:42:28,546 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2022-10-16 15:42:28,570 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:42:28,571 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 96 error locations. [2022-10-16 15:42:28,649 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:42:28,659 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;@5624fa97, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:42:28,659 INFO L358 AbstractCegarLoop]: Starting to check reachability of 96 error locations. [2022-10-16 15:42:28,667 INFO L276 IsEmpty]: Start isEmpty. Operand has 425 states, 328 states have (on average 1.8597560975609757) internal successors, (610), 424 states have internal predecessors, (610), 0 states have call successors, (0), 0 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 15:42:28,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 15:42:28,679 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:28,680 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] [2022-10-16 15:42:28,681 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 93 more)] === [2022-10-16 15:42:28,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:28,688 INFO L85 PathProgramCache]: Analyzing trace with hash -433969605, now seen corresponding path program 1 times [2022-10-16 15:42:28,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:28,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832632928] [2022-10-16 15:42:28,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:28,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:29,375 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 15:42:29,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:29,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832632928] [2022-10-16 15:42:29,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832632928] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:29,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:29,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:42:29,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723586336] [2022-10-16 15:42:29,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:29,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:42:29,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:29,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:42:29,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:42:29,427 INFO L87 Difference]: Start difference. First operand has 425 states, 328 states have (on average 1.8597560975609757) internal successors, (610), 424 states have internal predecessors, (610), 0 states have call successors, (0), 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 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 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 15:42:29,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:29,720 INFO L93 Difference]: Finished difference Result 573 states and 815 transitions. [2022-10-16 15:42:29,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:42:29,724 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2022-10-16 15:42:29,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:29,743 INFO L225 Difference]: With dead ends: 573 [2022-10-16 15:42:29,744 INFO L226 Difference]: Without dead ends: 555 [2022-10-16 15:42:29,748 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 15:42:29,753 INFO L413 NwaCegarLoop]: 501 mSDtfsCounter, 467 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 700 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 15:42:29,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 700 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:42:29,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2022-10-16 15:42:29,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 527. [2022-10-16 15:42:29,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 435 states have (on average 1.6597701149425288) internal successors, (722), 526 states have internal predecessors, (722), 0 states have call successors, (0), 0 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 15:42:29,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 722 transitions. [2022-10-16 15:42:29,864 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 722 transitions. Word has length 59 [2022-10-16 15:42:29,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:29,865 INFO L495 AbstractCegarLoop]: Abstraction has 527 states and 722 transitions. [2022-10-16 15:42:29,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 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 15:42:29,866 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 722 transitions. [2022-10-16 15:42:29,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 15:42:29,871 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:29,872 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] [2022-10-16 15:42:29,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:42:29,874 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 93 more)] === [2022-10-16 15:42:29,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:29,875 INFO L85 PathProgramCache]: Analyzing trace with hash -568155615, now seen corresponding path program 1 times [2022-10-16 15:42:29,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:29,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445475098] [2022-10-16 15:42:29,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:29,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:30,255 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 15:42:30,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:30,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445475098] [2022-10-16 15:42:30,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445475098] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:30,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:30,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:42:30,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369917352] [2022-10-16 15:42:30,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:30,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:42:30,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:30,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:42:30,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:42:30,269 INFO L87 Difference]: Start difference. First operand 527 states and 722 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 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 15:42:30,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:30,503 INFO L93 Difference]: Finished difference Result 558 states and 722 transitions. [2022-10-16 15:42:30,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:42:30,504 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2022-10-16 15:42:30,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:30,508 INFO L225 Difference]: With dead ends: 558 [2022-10-16 15:42:30,509 INFO L226 Difference]: Without dead ends: 551 [2022-10-16 15:42:30,510 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 15:42:30,511 INFO L413 NwaCegarLoop]: 436 mSDtfsCounter, 394 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 625 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 15:42:30,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 625 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:42:30,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2022-10-16 15:42:30,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 523. [2022-10-16 15:42:30,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 435 states have (on average 1.6436781609195403) internal successors, (715), 522 states have internal predecessors, (715), 0 states have call successors, (0), 0 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 15:42:30,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 715 transitions. [2022-10-16 15:42:30,551 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 715 transitions. Word has length 60 [2022-10-16 15:42:30,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:30,552 INFO L495 AbstractCegarLoop]: Abstraction has 523 states and 715 transitions. [2022-10-16 15:42:30,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 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 15:42:30,553 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 715 transitions. [2022-10-16 15:42:30,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 15:42:30,554 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:30,555 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 15:42:30,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:42:30,555 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 93 more)] === [2022-10-16 15:42:30,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:30,556 INFO L85 PathProgramCache]: Analyzing trace with hash -432954627, now seen corresponding path program 1 times [2022-10-16 15:42:30,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:30,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870930672] [2022-10-16 15:42:30,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:30,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:30,728 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 15:42:30,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:30,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870930672] [2022-10-16 15:42:30,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870930672] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:30,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:30,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:42:30,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841614753] [2022-10-16 15:42:30,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:30,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:42:30,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:30,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:42:30,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:42:30,734 INFO L87 Difference]: Start difference. First operand 523 states and 715 transitions. 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 15:42:30,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:30,938 INFO L93 Difference]: Finished difference Result 690 states and 979 transitions. [2022-10-16 15:42:30,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:42:30,939 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 15:42:30,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:30,944 INFO L225 Difference]: With dead ends: 690 [2022-10-16 15:42:30,944 INFO L226 Difference]: Without dead ends: 682 [2022-10-16 15:42:30,945 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 15:42:30,946 INFO L413 NwaCegarLoop]: 394 mSDtfsCounter, 413 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:30,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 542 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:42:30,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2022-10-16 15:42:30,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 672. [2022-10-16 15:42:30,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 591 states have (on average 1.637901861252115) internal successors, (968), 671 states have internal predecessors, (968), 0 states have call successors, (0), 0 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 15:42:30,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 968 transitions. [2022-10-16 15:42:30,991 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 968 transitions. Word has length 61 [2022-10-16 15:42:30,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:30,992 INFO L495 AbstractCegarLoop]: Abstraction has 672 states and 968 transitions. [2022-10-16 15:42:30,992 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 15:42:30,992 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 968 transitions. [2022-10-16 15:42:30,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 15:42:30,994 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:30,994 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 15:42:30,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:42:30,994 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 93 more)] === [2022-10-16 15:42:30,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:30,995 INFO L85 PathProgramCache]: Analyzing trace with hash -536691293, now seen corresponding path program 1 times [2022-10-16 15:42:30,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:30,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128772169] [2022-10-16 15:42:30,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:30,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:31,169 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 15:42:31,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:31,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128772169] [2022-10-16 15:42:31,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128772169] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:31,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:31,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:42:31,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156584449] [2022-10-16 15:42:31,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:31,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:42:31,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:31,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:42:31,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:42:31,173 INFO L87 Difference]: Start difference. First operand 672 states and 968 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 15:42:31,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:31,419 INFO L93 Difference]: Finished difference Result 983 states and 1452 transitions. [2022-10-16 15:42:31,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:42:31,419 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 15:42:31,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:31,425 INFO L225 Difference]: With dead ends: 983 [2022-10-16 15:42:31,426 INFO L226 Difference]: Without dead ends: 976 [2022-10-16 15:42:31,427 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 15:42:31,429 INFO L413 NwaCegarLoop]: 422 mSDtfsCounter, 383 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:31,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 599 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:42:31,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 976 states. [2022-10-16 15:42:31,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 976 to 948. [2022-10-16 15:42:31,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 871 states have (on average 1.6532721010332951) internal successors, (1440), 947 states have internal predecessors, (1440), 0 states have call successors, (0), 0 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 15:42:31,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1440 transitions. [2022-10-16 15:42:31,496 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1440 transitions. Word has length 62 [2022-10-16 15:42:31,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:31,497 INFO L495 AbstractCegarLoop]: Abstraction has 948 states and 1440 transitions. [2022-10-16 15:42:31,497 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 15:42:31,498 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1440 transitions. [2022-10-16 15:42:31,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 15:42:31,499 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:31,499 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 15:42:31,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:42:31,500 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 93 more)] === [2022-10-16 15:42:31,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:31,500 INFO L85 PathProgramCache]: Analyzing trace with hash -364248763, now seen corresponding path program 1 times [2022-10-16 15:42:31,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:31,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141107629] [2022-10-16 15:42:31,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:31,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:31,619 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 15:42:31,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:31,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141107629] [2022-10-16 15:42:31,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141107629] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:31,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:31,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:31,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060603072] [2022-10-16 15:42:31,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:31,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:42:31,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:31,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:42:31,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:42:31,622 INFO L87 Difference]: Start difference. First operand 948 states and 1440 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 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 15:42:31,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:31,925 INFO L93 Difference]: Finished difference Result 1309 states and 2011 transitions. [2022-10-16 15:42:31,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:42:31,925 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 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 15:42:31,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:31,933 INFO L225 Difference]: With dead ends: 1309 [2022-10-16 15:42:31,933 INFO L226 Difference]: Without dead ends: 1308 [2022-10-16 15:42:31,935 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 15:42:31,936 INFO L413 NwaCegarLoop]: 448 mSDtfsCounter, 478 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 992 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:31,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 992 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:42:31,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1308 states. [2022-10-16 15:42:32,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1308 to 947. [2022-10-16 15:42:32,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 871 states have (on average 1.6521239954075775) internal successors, (1439), 946 states have internal predecessors, (1439), 0 states have call successors, (0), 0 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 15:42:32,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1439 transitions. [2022-10-16 15:42:32,011 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1439 transitions. Word has length 64 [2022-10-16 15:42:32,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:32,011 INFO L495 AbstractCegarLoop]: Abstraction has 947 states and 1439 transitions. [2022-10-16 15:42:32,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 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 15:42:32,012 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1439 transitions. [2022-10-16 15:42:32,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 15:42:32,013 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:32,013 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] [2022-10-16 15:42:32,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:42:32,014 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 93 more)] === [2022-10-16 15:42:32,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:32,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1593190498, now seen corresponding path program 1 times [2022-10-16 15:42:32,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:32,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252659041] [2022-10-16 15:42:32,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:32,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:32,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:42:32,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:32,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252659041] [2022-10-16 15:42:32,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252659041] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:32,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:32,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:32,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256252809] [2022-10-16 15:42:32,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:32,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:42:32,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:32,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:42:32,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:42:32,126 INFO L87 Difference]: Start difference. First operand 947 states and 1439 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 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 15:42:32,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:32,447 INFO L93 Difference]: Finished difference Result 1307 states and 2010 transitions. [2022-10-16 15:42:32,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:42:32,448 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 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 65 [2022-10-16 15:42:32,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:32,458 INFO L225 Difference]: With dead ends: 1307 [2022-10-16 15:42:32,458 INFO L226 Difference]: Without dead ends: 1304 [2022-10-16 15:42:32,460 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 15:42:32,461 INFO L413 NwaCegarLoop]: 389 mSDtfsCounter, 976 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 976 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:32,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [976 Valid, 691 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:42:32,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1304 states. [2022-10-16 15:42:32,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1304 to 1271. [2022-10-16 15:42:32,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1271 states, 1197 states have (on average 1.669172932330827) internal successors, (1998), 1270 states have internal predecessors, (1998), 0 states have call successors, (0), 0 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 15:42:32,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 1271 states and 1998 transitions. [2022-10-16 15:42:32,610 INFO L78 Accepts]: Start accepts. Automaton has 1271 states and 1998 transitions. Word has length 65 [2022-10-16 15:42:32,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:32,611 INFO L495 AbstractCegarLoop]: Abstraction has 1271 states and 1998 transitions. [2022-10-16 15:42:32,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 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 15:42:32,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1998 transitions. [2022-10-16 15:42:32,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 15:42:32,612 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:32,612 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 15:42:32,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:42:32,613 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 93 more)] === [2022-10-16 15:42:32,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:32,614 INFO L85 PathProgramCache]: Analyzing trace with hash 2047719716, now seen corresponding path program 1 times [2022-10-16 15:42:32,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:32,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438217838] [2022-10-16 15:42:32,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:32,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:32,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:42:32,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:32,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438217838] [2022-10-16 15:42:32,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438217838] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:32,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:32,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:32,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313821021] [2022-10-16 15:42:32,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:32,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:42:32,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:32,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:42:32,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:42:32,724 INFO L87 Difference]: Start difference. First operand 1271 states and 1998 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 15:42:33,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:33,279 INFO L93 Difference]: Finished difference Result 3966 states and 6468 transitions. [2022-10-16 15:42:33,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:42:33,280 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 15:42:33,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:33,297 INFO L225 Difference]: With dead ends: 3966 [2022-10-16 15:42:33,298 INFO L226 Difference]: Without dead ends: 2947 [2022-10-16 15:42:33,302 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 15:42:33,304 INFO L413 NwaCegarLoop]: 388 mSDtfsCounter, 1037 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1037 SdHoareTripleChecker+Valid, 956 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:33,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1037 Valid, 956 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:42:33,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2947 states. [2022-10-16 15:42:33,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2947 to 2220. [2022-10-16 15:42:33,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2220 states, 2149 states have (on average 1.6807817589576548) internal successors, (3612), 2219 states have internal predecessors, (3612), 0 states have call successors, (0), 0 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 15:42:33,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 2220 states and 3612 transitions. [2022-10-16 15:42:33,542 INFO L78 Accepts]: Start accepts. Automaton has 2220 states and 3612 transitions. Word has length 67 [2022-10-16 15:42:33,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:33,543 INFO L495 AbstractCegarLoop]: Abstraction has 2220 states and 3612 transitions. [2022-10-16 15:42:33,543 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 15:42:33,543 INFO L276 IsEmpty]: Start isEmpty. Operand 2220 states and 3612 transitions. [2022-10-16 15:42:33,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 15:42:33,544 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:33,544 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] [2022-10-16 15:42:33,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:42:33,545 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 93 more)] === [2022-10-16 15:42:33,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:33,546 INFO L85 PathProgramCache]: Analyzing trace with hash -945197974, now seen corresponding path program 1 times [2022-10-16 15:42:33,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:33,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17433458] [2022-10-16 15:42:33,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:33,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:33,651 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 15:42:33,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:33,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17433458] [2022-10-16 15:42:33,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17433458] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:33,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:33,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:33,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665054253] [2022-10-16 15:42:33,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:33,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:42:33,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:33,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:42:33,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:42:33,654 INFO L87 Difference]: Start difference. First operand 2220 states and 3612 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 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 15:42:34,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:34,127 INFO L93 Difference]: Finished difference Result 2906 states and 4746 transitions. [2022-10-16 15:42:34,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:42:34,127 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 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 68 [2022-10-16 15:42:34,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:34,144 INFO L225 Difference]: With dead ends: 2906 [2022-10-16 15:42:34,144 INFO L226 Difference]: Without dead ends: 2902 [2022-10-16 15:42:34,146 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 15:42:34,147 INFO L413 NwaCegarLoop]: 386 mSDtfsCounter, 1028 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1028 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:34,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1028 Valid, 651 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:42:34,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2902 states. [2022-10-16 15:42:34,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2902 to 2865. [2022-10-16 15:42:34,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2865 states, 2797 states have (on average 1.6864497676081516) internal successors, (4717), 2864 states have internal predecessors, (4717), 0 states have call successors, (0), 0 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 15:42:34,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2865 states to 2865 states and 4717 transitions. [2022-10-16 15:42:34,468 INFO L78 Accepts]: Start accepts. Automaton has 2865 states and 4717 transitions. Word has length 68 [2022-10-16 15:42:34,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:34,469 INFO L495 AbstractCegarLoop]: Abstraction has 2865 states and 4717 transitions. [2022-10-16 15:42:34,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 0 states have call successors, (0), 0 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 15:42:34,469 INFO L276 IsEmpty]: Start isEmpty. Operand 2865 states and 4717 transitions. [2022-10-16 15:42:34,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 15:42:34,470 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:34,470 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 15:42:34,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:42:34,471 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 93 more)] === [2022-10-16 15:42:34,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:34,471 INFO L85 PathProgramCache]: Analyzing trace with hash -2097144820, now seen corresponding path program 1 times [2022-10-16 15:42:34,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:34,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89649321] [2022-10-16 15:42:34,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:34,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:34,571 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 15:42:34,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:34,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89649321] [2022-10-16 15:42:34,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89649321] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:34,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:34,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:34,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577117916] [2022-10-16 15:42:34,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:34,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:42:34,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:34,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:42:34,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:42:34,574 INFO L87 Difference]: Start difference. First operand 2865 states and 4717 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 15:42:35,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:35,453 INFO L93 Difference]: Finished difference Result 9903 states and 16605 transitions. [2022-10-16 15:42:35,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:42:35,454 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 15:42:35,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:35,501 INFO L225 Difference]: With dead ends: 9903 [2022-10-16 15:42:35,501 INFO L226 Difference]: Without dead ends: 7284 [2022-10-16 15:42:35,508 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 15:42:35,510 INFO L413 NwaCegarLoop]: 424 mSDtfsCounter, 1021 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1021 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:35,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1021 Valid, 885 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:42:35,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7284 states. [2022-10-16 15:42:36,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7284 to 5018. [2022-10-16 15:42:36,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5018 states, 4953 states have (on average 1.6910963052695336) internal successors, (8376), 5017 states have internal predecessors, (8376), 0 states have call successors, (0), 0 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 15:42:36,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5018 states to 5018 states and 8376 transitions. [2022-10-16 15:42:36,137 INFO L78 Accepts]: Start accepts. Automaton has 5018 states and 8376 transitions. Word has length 70 [2022-10-16 15:42:36,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:36,137 INFO L495 AbstractCegarLoop]: Abstraction has 5018 states and 8376 transitions. [2022-10-16 15:42:36,138 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 15:42:36,138 INFO L276 IsEmpty]: Start isEmpty. Operand 5018 states and 8376 transitions. [2022-10-16 15:42:36,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 15:42:36,138 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:36,139 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] [2022-10-16 15:42:36,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:42:36,139 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 93 more)] === [2022-10-16 15:42:36,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:36,140 INFO L85 PathProgramCache]: Analyzing trace with hash -586979703, now seen corresponding path program 1 times [2022-10-16 15:42:36,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:36,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039989716] [2022-10-16 15:42:36,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:36,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:36,245 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 15:42:36,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:36,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039989716] [2022-10-16 15:42:36,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039989716] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:36,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:36,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:36,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763952331] [2022-10-16 15:42:36,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:36,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:42:36,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:36,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:42:36,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:42:36,248 INFO L87 Difference]: Start difference. First operand 5018 states and 8376 transitions. Second operand has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 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 15:42:37,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:37,086 INFO L93 Difference]: Finished difference Result 7605 states and 12744 transitions. [2022-10-16 15:42:37,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:42:37,087 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 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 71 [2022-10-16 15:42:37,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:37,134 INFO L225 Difference]: With dead ends: 7605 [2022-10-16 15:42:37,134 INFO L226 Difference]: Without dead ends: 7601 [2022-10-16 15:42:37,138 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 15:42:37,139 INFO L413 NwaCegarLoop]: 424 mSDtfsCounter, 1016 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1016 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:37,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1016 Valid, 711 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:42:37,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7601 states. [2022-10-16 15:42:38,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7601 to 7543. [2022-10-16 15:42:38,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7543 states, 7481 states have (on average 1.6916187675444458) internal successors, (12655), 7542 states have internal predecessors, (12655), 0 states have call successors, (0), 0 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 15:42:38,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7543 states to 7543 states and 12655 transitions. [2022-10-16 15:42:38,054 INFO L78 Accepts]: Start accepts. Automaton has 7543 states and 12655 transitions. Word has length 71 [2022-10-16 15:42:38,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:38,055 INFO L495 AbstractCegarLoop]: Abstraction has 7543 states and 12655 transitions. [2022-10-16 15:42:38,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 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 15:42:38,055 INFO L276 IsEmpty]: Start isEmpty. Operand 7543 states and 12655 transitions. [2022-10-16 15:42:38,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 15:42:38,056 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:38,056 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] [2022-10-16 15:42:38,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:42:38,057 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 93 more)] === [2022-10-16 15:42:38,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:38,057 INFO L85 PathProgramCache]: Analyzing trace with hash -235189929, now seen corresponding path program 1 times [2022-10-16 15:42:38,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:38,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360535997] [2022-10-16 15:42:38,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:38,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:38,163 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 15:42:38,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:38,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360535997] [2022-10-16 15:42:38,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360535997] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:38,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:38,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:38,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109200302] [2022-10-16 15:42:38,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:38,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:42:38,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:38,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:42:38,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:42:38,166 INFO L87 Difference]: Start difference. First operand 7543 states and 12655 transitions. Second operand has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 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 15:42:38,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:38,949 INFO L93 Difference]: Finished difference Result 7543 states and 12655 transitions. [2022-10-16 15:42:38,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:42:38,950 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-10-16 15:42:38,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:38,971 INFO L225 Difference]: With dead ends: 7543 [2022-10-16 15:42:38,972 INFO L226 Difference]: Without dead ends: 7542 [2022-10-16 15:42:38,975 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 15:42:38,976 INFO L413 NwaCegarLoop]: 473 mSDtfsCounter, 298 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 1023 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 15:42:38,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 1023 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:42:38,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7542 states. [2022-10-16 15:42:39,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7542 to 7542. [2022-10-16 15:42:39,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7542 states, 7481 states have (on average 1.691485095575458) internal successors, (12654), 7541 states have internal predecessors, (12654), 0 states have call successors, (0), 0 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 15:42:39,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7542 states to 7542 states and 12654 transitions. [2022-10-16 15:42:39,895 INFO L78 Accepts]: Start accepts. Automaton has 7542 states and 12654 transitions. Word has length 81 [2022-10-16 15:42:39,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:39,896 INFO L495 AbstractCegarLoop]: Abstraction has 7542 states and 12654 transitions. [2022-10-16 15:42:39,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 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 15:42:39,897 INFO L276 IsEmpty]: Start isEmpty. Operand 7542 states and 12654 transitions. [2022-10-16 15:42:39,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 15:42:39,898 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:39,898 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] [2022-10-16 15:42:39,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:42:39,899 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 93 more)] === [2022-10-16 15:42:39,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:39,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1299047101, now seen corresponding path program 1 times [2022-10-16 15:42:39,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:39,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971924396] [2022-10-16 15:42:39,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:39,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:40,026 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 15:42:40,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:40,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971924396] [2022-10-16 15:42:40,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971924396] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:40,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:40,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:42:40,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967340373] [2022-10-16 15:42:40,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:40,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:42:40,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:40,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:42:40,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:42:40,029 INFO L87 Difference]: Start difference. First operand 7542 states and 12654 transitions. Second operand has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 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 15:42:41,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:41,261 INFO L93 Difference]: Finished difference Result 12217 states and 20590 transitions. [2022-10-16 15:42:41,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:42:41,261 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 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 82 [2022-10-16 15:42:41,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:41,294 INFO L225 Difference]: With dead ends: 12217 [2022-10-16 15:42:41,294 INFO L226 Difference]: Without dead ends: 12214 [2022-10-16 15:42:41,298 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 15:42:41,299 INFO L413 NwaCegarLoop]: 599 mSDtfsCounter, 742 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 742 SdHoareTripleChecker+Valid, 932 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 15:42:41,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [742 Valid, 932 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:42:41,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12214 states. [2022-10-16 15:42:42,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12214 to 12186. [2022-10-16 15:42:42,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12186 states, 12126 states have (on average 1.6931387102094673) internal successors, (20531), 12185 states have internal predecessors, (20531), 0 states have call successors, (0), 0 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 15:42:42,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12186 states to 12186 states and 20531 transitions. [2022-10-16 15:42:42,223 INFO L78 Accepts]: Start accepts. Automaton has 12186 states and 20531 transitions. Word has length 82 [2022-10-16 15:42:42,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:42,223 INFO L495 AbstractCegarLoop]: Abstraction has 12186 states and 20531 transitions. [2022-10-16 15:42:42,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.333333333333332) internal successors, (82), 4 states have internal predecessors, (82), 0 states have call successors, (0), 0 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 15:42:42,224 INFO L276 IsEmpty]: Start isEmpty. Operand 12186 states and 20531 transitions. [2022-10-16 15:42:42,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 15:42:42,224 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:42,225 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 15:42:42,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:42:42,225 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 93 more)] === [2022-10-16 15:42:42,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:42,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1615754777, now seen corresponding path program 1 times [2022-10-16 15:42:42,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:42,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974065780] [2022-10-16 15:42:42,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:42,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:42,386 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 15:42:42,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:42,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974065780] [2022-10-16 15:42:42,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974065780] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:42,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:42,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:42:42,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694742595] [2022-10-16 15:42:42,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:42,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:42:42,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:42,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:42:42,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:42:42,389 INFO L87 Difference]: Start difference. First operand 12186 states and 20531 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 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 15:42:44,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:44,879 INFO L93 Difference]: Finished difference Result 35392 states and 59861 transitions. [2022-10-16 15:42:44,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 15:42:44,880 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 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 15:42:44,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:44,954 INFO L225 Difference]: With dead ends: 35392 [2022-10-16 15:42:44,955 INFO L226 Difference]: Without dead ends: 23446 [2022-10-16 15:42:44,984 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 15:42:44,986 INFO L413 NwaCegarLoop]: 626 mSDtfsCounter, 648 mSDsluCounter, 1125 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 1751 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 15:42:44,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [648 Valid, 1751 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:42:45,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23446 states. [2022-10-16 15:42:46,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23446 to 23418. [2022-10-16 15:42:46,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23418 states, 23359 states have (on average 1.6867588509782097) internal successors, (39401), 23417 states have internal predecessors, (39401), 0 states have call successors, (0), 0 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 15:42:46,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23418 states to 23418 states and 39401 transitions. [2022-10-16 15:42:46,796 INFO L78 Accepts]: Start accepts. Automaton has 23418 states and 39401 transitions. Word has length 83 [2022-10-16 15:42:46,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:46,797 INFO L495 AbstractCegarLoop]: Abstraction has 23418 states and 39401 transitions. [2022-10-16 15:42:46,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 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 15:42:46,798 INFO L276 IsEmpty]: Start isEmpty. Operand 23418 states and 39401 transitions. [2022-10-16 15:42:46,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 15:42:46,799 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:46,800 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 15:42:46,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:42:46,800 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 93 more)] === [2022-10-16 15:42:46,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:46,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1451209153, now seen corresponding path program 1 times [2022-10-16 15:42:46,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:46,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879603561] [2022-10-16 15:42:46,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:46,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:46,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:46,939 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 15:42:46,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:46,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879603561] [2022-10-16 15:42:46,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879603561] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:46,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:46,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:42:46,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341233589] [2022-10-16 15:42:46,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:46,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:42:46,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:46,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:42:46,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:42:46,942 INFO L87 Difference]: Start difference. First operand 23418 states and 39401 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 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 15:42:50,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:50,045 INFO L93 Difference]: Finished difference Result 34885 states and 58751 transitions. [2022-10-16 15:42:50,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:42:50,045 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 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 15:42:50,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:50,171 INFO L225 Difference]: With dead ends: 34885 [2022-10-16 15:42:50,171 INFO L226 Difference]: Without dead ends: 34882 [2022-10-16 15:42:50,187 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 15:42:50,188 INFO L413 NwaCegarLoop]: 752 mSDtfsCounter, 1271 mSDsluCounter, 906 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1271 SdHoareTripleChecker+Valid, 1658 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:50,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1271 Valid, 1658 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:42:50,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34882 states. [2022-10-16 15:42:53,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34882 to 34802. [2022-10-16 15:42:53,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34802 states, 34744 states have (on average 1.682304858392816) internal successors, (58450), 34801 states have internal predecessors, (58450), 0 states have call successors, (0), 0 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 15:42:53,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34802 states to 34802 states and 58450 transitions. [2022-10-16 15:42:53,581 INFO L78 Accepts]: Start accepts. Automaton has 34802 states and 58450 transitions. Word has length 84 [2022-10-16 15:42:53,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:53,582 INFO L495 AbstractCegarLoop]: Abstraction has 34802 states and 58450 transitions. [2022-10-16 15:42:53,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 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 15:42:53,582 INFO L276 IsEmpty]: Start isEmpty. Operand 34802 states and 58450 transitions. [2022-10-16 15:42:53,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 15:42:53,583 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:53,583 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] [2022-10-16 15:42:53,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:42:53,584 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 93 more)] === [2022-10-16 15:42:53,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:53,584 INFO L85 PathProgramCache]: Analyzing trace with hash 951392708, now seen corresponding path program 1 times [2022-10-16 15:42:53,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:53,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660307448] [2022-10-16 15:42:53,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:53,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:53,688 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 15:42:53,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:53,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660307448] [2022-10-16 15:42:53,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660307448] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:53,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:53,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:42:53,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722636934] [2022-10-16 15:42:53,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:53,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:42:53,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:53,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:42:53,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:42:53,690 INFO L87 Difference]: Start difference. First operand 34802 states and 58450 transitions. Second operand has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 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 15:42:56,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:42:56,595 INFO L93 Difference]: Finished difference Result 34802 states and 58450 transitions. [2022-10-16 15:42:56,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:42:56,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 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 88 [2022-10-16 15:42:56,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:42:56,740 INFO L225 Difference]: With dead ends: 34802 [2022-10-16 15:42:56,741 INFO L226 Difference]: Without dead ends: 34800 [2022-10-16 15:42:56,752 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 15:42:56,753 INFO L413 NwaCegarLoop]: 486 mSDtfsCounter, 43 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 877 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:42:56,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 877 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:42:56,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34800 states. [2022-10-16 15:42:59,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34800 to 34800. [2022-10-16 15:42:59,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34800 states, 34744 states have (on average 1.6822472944968916) internal successors, (58448), 34799 states have internal predecessors, (58448), 0 states have call successors, (0), 0 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 15:42:59,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34800 states to 34800 states and 58448 transitions. [2022-10-16 15:42:59,764 INFO L78 Accepts]: Start accepts. Automaton has 34800 states and 58448 transitions. Word has length 88 [2022-10-16 15:42:59,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:42:59,764 INFO L495 AbstractCegarLoop]: Abstraction has 34800 states and 58448 transitions. [2022-10-16 15:42:59,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 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 15:42:59,765 INFO L276 IsEmpty]: Start isEmpty. Operand 34800 states and 58448 transitions. [2022-10-16 15:42:59,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 15:42:59,766 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:42:59,766 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] [2022-10-16 15:42:59,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:42:59,766 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 93 more)] === [2022-10-16 15:42:59,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:42:59,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1105477001, now seen corresponding path program 1 times [2022-10-16 15:42:59,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:42:59,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452188967] [2022-10-16 15:42:59,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:42:59,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:42:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:42:59,870 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 15:42:59,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:42:59,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452188967] [2022-10-16 15:42:59,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452188967] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:42:59,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:42:59,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:42:59,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074917957] [2022-10-16 15:42:59,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:42:59,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:42:59,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:42:59,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:42:59,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:42:59,872 INFO L87 Difference]: Start difference. First operand 34800 states and 58448 transitions. Second operand has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 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 15:43:02,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:43:02,560 INFO L93 Difference]: Finished difference Result 34800 states and 58448 transitions. [2022-10-16 15:43:02,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:43:02,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2022-10-16 15:43:02,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:43:02,638 INFO L225 Difference]: With dead ends: 34800 [2022-10-16 15:43:02,638 INFO L226 Difference]: Without dead ends: 34798 [2022-10-16 15:43:02,650 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 15:43:02,651 INFO L413 NwaCegarLoop]: 459 mSDtfsCounter, 395 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:43:02,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 459 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:43:02,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34798 states. [2022-10-16 15:43:05,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34798 to 34798. [2022-10-16 15:43:05,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34798 states, 34744 states have (on average 1.6730946350448999) internal successors, (58130), 34797 states have internal predecessors, (58130), 0 states have call successors, (0), 0 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 15:43:05,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34798 states to 34798 states and 58130 transitions. [2022-10-16 15:43:05,543 INFO L78 Accepts]: Start accepts. Automaton has 34798 states and 58130 transitions. Word has length 92 [2022-10-16 15:43:05,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:43:05,544 INFO L495 AbstractCegarLoop]: Abstraction has 34798 states and 58130 transitions. [2022-10-16 15:43:05,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 46.0) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 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 15:43:05,544 INFO L276 IsEmpty]: Start isEmpty. Operand 34798 states and 58130 transitions. [2022-10-16 15:43:05,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 15:43:05,545 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:43:05,545 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:43:05,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:43:05,545 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 93 more)] === [2022-10-16 15:43:05,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:43:05,546 INFO L85 PathProgramCache]: Analyzing trace with hash -89951000, now seen corresponding path program 1 times [2022-10-16 15:43:05,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:43:05,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569499862] [2022-10-16 15:43:05,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:43:05,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:43:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:43:05,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:43:05,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:43:05,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569499862] [2022-10-16 15:43:05,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569499862] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:43:05,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:43:05,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:43:05,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873860729] [2022-10-16 15:43:05,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:43:05,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:43:05,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:43:05,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:43:05,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:43:05,662 INFO L87 Difference]: Start difference. First operand 34798 states and 58130 transitions. Second operand has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 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 15:43:08,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:43:08,763 INFO L93 Difference]: Finished difference Result 34798 states and 58130 transitions. [2022-10-16 15:43:08,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:43:08,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-10-16 15:43:08,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:43:08,819 INFO L225 Difference]: With dead ends: 34798 [2022-10-16 15:43:08,820 INFO L226 Difference]: Without dead ends: 34796 [2022-10-16 15:43:08,827 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 15:43:08,828 INFO L413 NwaCegarLoop]: 459 mSDtfsCounter, 392 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 392 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:43:08,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [392 Valid, 459 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:43:08,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34796 states. [2022-10-16 15:43:11,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34796 to 34796. [2022-10-16 15:43:11,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34796 states, 34744 states have (on average 1.6639419755929081) internal successors, (57812), 34795 states have internal predecessors, (57812), 0 states have call successors, (0), 0 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 15:43:12,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34796 states to 34796 states and 57812 transitions. [2022-10-16 15:43:12,000 INFO L78 Accepts]: Start accepts. Automaton has 34796 states and 57812 transitions. Word has length 93 [2022-10-16 15:43:12,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:43:12,001 INFO L495 AbstractCegarLoop]: Abstraction has 34796 states and 57812 transitions. [2022-10-16 15:43:12,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 46.5) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 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 15:43:12,001 INFO L276 IsEmpty]: Start isEmpty. Operand 34796 states and 57812 transitions. [2022-10-16 15:43:12,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 15:43:12,002 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:43:12,002 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] [2022-10-16 15:43:12,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:43:12,003 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 93 more)] === [2022-10-16 15:43:12,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:43:12,003 INFO L85 PathProgramCache]: Analyzing trace with hash -985701006, now seen corresponding path program 1 times [2022-10-16 15:43:12,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:43:12,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119874127] [2022-10-16 15:43:12,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:43:12,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:43:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:43:12,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:43:12,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:43:12,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119874127] [2022-10-16 15:43:12,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119874127] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:43:12,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:43:12,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:43:12,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396402156] [2022-10-16 15:43:12,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:43:12,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:43:12,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:43:12,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:43:12,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:43:12,116 INFO L87 Difference]: Start difference. First operand 34796 states and 57812 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 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 15:43:17,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:43:17,826 INFO L93 Difference]: Finished difference Result 96137 states and 160078 transitions. [2022-10-16 15:43:17,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:43:17,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2022-10-16 15:43:17,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:43:17,949 INFO L225 Difference]: With dead ends: 96137 [2022-10-16 15:43:17,949 INFO L226 Difference]: Without dead ends: 61524 [2022-10-16 15:43:18,003 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 15:43:18,004 INFO L413 NwaCegarLoop]: 647 mSDtfsCounter, 293 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 293 SdHoareTripleChecker+Valid, 947 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:43:18,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [293 Valid, 947 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:43:18,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61524 states. [2022-10-16 15:43:23,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61524 to 61404. [2022-10-16 15:43:23,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61404 states, 61352 states have (on average 1.6669546225061938) internal successors, (102271), 61403 states have internal predecessors, (102271), 0 states have call successors, (0), 0 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 15:43:23,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61404 states to 61404 states and 102271 transitions. [2022-10-16 15:43:23,953 INFO L78 Accepts]: Start accepts. Automaton has 61404 states and 102271 transitions. Word has length 99 [2022-10-16 15:43:23,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:43:23,953 INFO L495 AbstractCegarLoop]: Abstraction has 61404 states and 102271 transitions. [2022-10-16 15:43:23,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 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 15:43:23,953 INFO L276 IsEmpty]: Start isEmpty. Operand 61404 states and 102271 transitions. [2022-10-16 15:43:23,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 15:43:23,954 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:43:23,955 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] [2022-10-16 15:43:23,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:43:23,955 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 93 more)] === [2022-10-16 15:43:23,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:43:23,956 INFO L85 PathProgramCache]: Analyzing trace with hash -985837047, now seen corresponding path program 1 times [2022-10-16 15:43:23,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:43:23,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899764106] [2022-10-16 15:43:23,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:43:23,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:43:24,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:43:24,108 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 15:43:24,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:43:24,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899764106] [2022-10-16 15:43:24,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899764106] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:43:24,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:43:24,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:43:24,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286850407] [2022-10-16 15:43:24,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:43:24,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:43:24,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:43:24,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:43:24,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:43:24,112 INFO L87 Difference]: Start difference. First operand 61404 states and 102271 transitions. Second operand has 3 states, 2 states have (on average 49.5) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 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 15:43:29,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:43:29,651 INFO L93 Difference]: Finished difference Result 61404 states and 102271 transitions. [2022-10-16 15:43:29,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:43:29,651 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 49.5) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 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 99 [2022-10-16 15:43:29,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:43:29,760 INFO L225 Difference]: With dead ends: 61404 [2022-10-16 15:43:29,761 INFO L226 Difference]: Without dead ends: 61401 [2022-10-16 15:43:29,776 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 15:43:29,777 INFO L413 NwaCegarLoop]: 466 mSDtfsCounter, 382 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:43:29,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 466 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:43:29,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61401 states. [2022-10-16 15:43:35,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61401 to 61401. [2022-10-16 15:43:35,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61401 states, 61352 states have (on average 1.6568327030903638) internal successors, (101650), 61400 states have internal predecessors, (101650), 0 states have call successors, (0), 0 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 15:43:35,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61401 states to 61401 states and 101650 transitions. [2022-10-16 15:43:35,752 INFO L78 Accepts]: Start accepts. Automaton has 61401 states and 101650 transitions. Word has length 99 [2022-10-16 15:43:35,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:43:35,753 INFO L495 AbstractCegarLoop]: Abstraction has 61401 states and 101650 transitions. [2022-10-16 15:43:35,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 49.5) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 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 15:43:35,753 INFO L276 IsEmpty]: Start isEmpty. Operand 61401 states and 101650 transitions. [2022-10-16 15:43:35,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 15:43:35,755 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:43:35,755 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] [2022-10-16 15:43:35,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:43:35,755 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 93 more)] === [2022-10-16 15:43:35,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:43:35,756 INFO L85 PathProgramCache]: Analyzing trace with hash -496177021, now seen corresponding path program 1 times [2022-10-16 15:43:35,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:43:35,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583305981] [2022-10-16 15:43:35,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:43:35,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:43:35,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:43:35,861 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 15:43:35,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:43:35,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583305981] [2022-10-16 15:43:35,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583305981] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:43:35,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:43:35,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:43:35,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813866473] [2022-10-16 15:43:35,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:43:35,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:43:35,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:43:35,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:43:35,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:43:35,863 INFO L87 Difference]: Start difference. First operand 61401 states and 101650 transitions. Second operand has 3 states, 2 states have (on average 50.0) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 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 15:43:42,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:43:42,092 INFO L93 Difference]: Finished difference Result 61401 states and 101650 transitions. [2022-10-16 15:43:42,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:43:42,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 50.0) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2022-10-16 15:43:42,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:43:42,196 INFO L225 Difference]: With dead ends: 61401 [2022-10-16 15:43:42,196 INFO L226 Difference]: Without dead ends: 61398 [2022-10-16 15:43:42,210 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 15:43:42,211 INFO L413 NwaCegarLoop]: 466 mSDtfsCounter, 378 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:43:42,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 466 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:43:42,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61398 states. [2022-10-16 15:43:47,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61398 to 61398. [2022-10-16 15:43:48,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61398 states, 61352 states have (on average 1.6467107836745338) internal successors, (101029), 61397 states have internal predecessors, (101029), 0 states have call successors, (0), 0 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 15:43:48,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61398 states to 61398 states and 101029 transitions. [2022-10-16 15:43:48,143 INFO L78 Accepts]: Start accepts. Automaton has 61398 states and 101029 transitions. Word has length 100 [2022-10-16 15:43:48,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:43:48,144 INFO L495 AbstractCegarLoop]: Abstraction has 61398 states and 101029 transitions. [2022-10-16 15:43:48,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 50.0) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 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 15:43:48,144 INFO L276 IsEmpty]: Start isEmpty. Operand 61398 states and 101029 transitions. [2022-10-16 15:43:48,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 15:43:48,145 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:43:48,145 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:43:48,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:43:48,146 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 93 more)] === [2022-10-16 15:43:48,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:43:48,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1200595106, now seen corresponding path program 1 times [2022-10-16 15:43:48,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:43:48,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349269648] [2022-10-16 15:43:48,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:43:48,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:43:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:43:48,255 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 15:43:48,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:43:48,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349269648] [2022-10-16 15:43:48,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349269648] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:43:48,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:43:48,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:43:48,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693896789] [2022-10-16 15:43:48,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:43:48,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:43:48,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:43:48,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:43:48,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:43:48,258 INFO L87 Difference]: Start difference. First operand 61398 states and 101029 transitions. Second operand has 3 states, 2 states have (on average 52.5) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 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 15:43:54,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:43:54,779 INFO L93 Difference]: Finished difference Result 61398 states and 101029 transitions. [2022-10-16 15:43:54,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:43:54,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 52.5) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2022-10-16 15:43:54,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:43:54,884 INFO L225 Difference]: With dead ends: 61398 [2022-10-16 15:43:54,885 INFO L226 Difference]: Without dead ends: 61395 [2022-10-16 15:43:54,899 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 15:43:54,900 INFO L413 NwaCegarLoop]: 460 mSDtfsCounter, 370 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:43:54,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 460 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:43:54,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61395 states. [2022-10-16 15:44:00,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61395 to 61395. [2022-10-16 15:44:00,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61395 states, 61352 states have (on average 1.6357086973529795) internal successors, (100354), 61394 states have internal predecessors, (100354), 0 states have call successors, (0), 0 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 15:44:00,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61395 states to 61395 states and 100354 transitions. [2022-10-16 15:44:00,999 INFO L78 Accepts]: Start accepts. Automaton has 61395 states and 100354 transitions. Word has length 105 [2022-10-16 15:44:00,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:44:00,999 INFO L495 AbstractCegarLoop]: Abstraction has 61395 states and 100354 transitions. [2022-10-16 15:44:00,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 52.5) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 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 15:44:00,999 INFO L276 IsEmpty]: Start isEmpty. Operand 61395 states and 100354 transitions. [2022-10-16 15:44:01,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 15:44:01,001 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:44:01,001 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:44:01,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:44:01,001 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 93 more)] === [2022-10-16 15:44:01,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:44:01,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1436256988, now seen corresponding path program 1 times [2022-10-16 15:44:01,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:44:01,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958804572] [2022-10-16 15:44:01,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:44:01,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:44:01,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:44:01,108 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 15:44:01,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:44:01,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958804572] [2022-10-16 15:44:01,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958804572] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:44:01,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:44:01,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:44:01,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772000181] [2022-10-16 15:44:01,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:44:01,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:44:01,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:44:01,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:44:01,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:44:01,110 INFO L87 Difference]: Start difference. First operand 61395 states and 100354 transitions. Second operand has 3 states, 2 states have (on average 53.0) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 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 15:44:07,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:44:07,374 INFO L93 Difference]: Finished difference Result 61395 states and 100354 transitions. [2022-10-16 15:44:07,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:44:07,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 53.0) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 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 106 [2022-10-16 15:44:07,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:44:07,488 INFO L225 Difference]: With dead ends: 61395 [2022-10-16 15:44:07,488 INFO L226 Difference]: Without dead ends: 61392 [2022-10-16 15:44:07,505 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 15:44:07,506 INFO L413 NwaCegarLoop]: 460 mSDtfsCounter, 366 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:44:07,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 460 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:44:07,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61392 states. [2022-10-16 15:44:13,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61392 to 61392. [2022-10-16 15:44:13,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61392 states, 61352 states have (on average 1.6247066110314252) internal successors, (99679), 61391 states have internal predecessors, (99679), 0 states have call successors, (0), 0 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 15:44:14,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61392 states to 61392 states and 99679 transitions. [2022-10-16 15:44:14,105 INFO L78 Accepts]: Start accepts. Automaton has 61392 states and 99679 transitions. Word has length 106 [2022-10-16 15:44:14,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:44:14,105 INFO L495 AbstractCegarLoop]: Abstraction has 61392 states and 99679 transitions. [2022-10-16 15:44:14,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 53.0) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 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 15:44:14,105 INFO L276 IsEmpty]: Start isEmpty. Operand 61392 states and 99679 transitions. [2022-10-16 15:44:14,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-16 15:44:14,106 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:44:14,106 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] [2022-10-16 15:44:14,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 15:44:14,107 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 93 more)] === [2022-10-16 15:44:14,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:44:14,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1274979138, now seen corresponding path program 1 times [2022-10-16 15:44:14,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:44:14,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520378463] [2022-10-16 15:44:14,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:44:14,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:44:14,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:44:14,249 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 15:44:14,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:44:14,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520378463] [2022-10-16 15:44:14,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520378463] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:44:14,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:44:14,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:44:14,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269703764] [2022-10-16 15:44:14,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:44:14,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:44:14,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:44:14,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:44:14,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:44:14,252 INFO L87 Difference]: Start difference. First operand 61392 states and 99679 transitions. Second operand has 4 states, 3 states have (on average 36.666666666666664) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 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 15:44:22,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:44:22,551 INFO L93 Difference]: Finished difference Result 82563 states and 134165 transitions. [2022-10-16 15:44:22,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:44:22,552 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 36.666666666666664) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 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 110 [2022-10-16 15:44:22,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:44:22,680 INFO L225 Difference]: With dead ends: 82563 [2022-10-16 15:44:22,680 INFO L226 Difference]: Without dead ends: 82558 [2022-10-16 15:44:22,697 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 15:44:22,698 INFO L413 NwaCegarLoop]: 547 mSDtfsCounter, 521 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 1107 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:44:22,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 1107 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:44:22,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82558 states. [2022-10-16 15:44:31,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82558 to 82518. [2022-10-16 15:44:31,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82518 states, 82480 states have (on average 1.6170950533462658) internal successors, (133378), 82517 states have internal predecessors, (133378), 0 states have call successors, (0), 0 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 15:44:31,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82518 states to 82518 states and 133378 transitions. [2022-10-16 15:44:31,657 INFO L78 Accepts]: Start accepts. Automaton has 82518 states and 133378 transitions. Word has length 110 [2022-10-16 15:44:31,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:44:31,658 INFO L495 AbstractCegarLoop]: Abstraction has 82518 states and 133378 transitions. [2022-10-16 15:44:31,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 36.666666666666664) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 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 15:44:31,658 INFO L276 IsEmpty]: Start isEmpty. Operand 82518 states and 133378 transitions. [2022-10-16 15:44:31,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 15:44:31,659 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:44:31,659 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] [2022-10-16 15:44:31,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 15:44:31,659 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 93 more)] === [2022-10-16 15:44:31,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:44:31,660 INFO L85 PathProgramCache]: Analyzing trace with hash 869648027, now seen corresponding path program 1 times [2022-10-16 15:44:31,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:44:31,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199947818] [2022-10-16 15:44:31,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:44:31,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:44:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:44:31,818 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 15:44:31,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:44:31,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199947818] [2022-10-16 15:44:31,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199947818] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:44:31,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:44:31,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:44:31,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585361636] [2022-10-16 15:44:31,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:44:31,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:44:31,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:44:31,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:44:31,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:44:31,824 INFO L87 Difference]: Start difference. First operand 82518 states and 133378 transitions. Second operand has 4 states, 3 states have (on average 37.0) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 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 15:44:41,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:44:41,403 INFO L93 Difference]: Finished difference Result 93237 states and 150848 transitions. [2022-10-16 15:44:41,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:44:41,404 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 37.0) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 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 111 [2022-10-16 15:44:41,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:44:41,587 INFO L225 Difference]: With dead ends: 93237 [2022-10-16 15:44:41,587 INFO L226 Difference]: Without dead ends: 93232 [2022-10-16 15:44:41,612 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 15:44:41,612 INFO L413 NwaCegarLoop]: 541 mSDtfsCounter, 567 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:44:41,613 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 885 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:44:41,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93232 states. [2022-10-16 15:44:51,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93232 to 93210. [2022-10-16 15:44:51,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93210 states, 93174 states have (on average 1.598729259235409) internal successors, (148960), 93209 states have internal predecessors, (148960), 0 states have call successors, (0), 0 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 15:44:52,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93210 states to 93210 states and 148960 transitions. [2022-10-16 15:44:52,088 INFO L78 Accepts]: Start accepts. Automaton has 93210 states and 148960 transitions. Word has length 111 [2022-10-16 15:44:52,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:44:52,089 INFO L495 AbstractCegarLoop]: Abstraction has 93210 states and 148960 transitions. [2022-10-16 15:44:52,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 37.0) internal successors, (111), 4 states have internal predecessors, (111), 0 states have call successors, (0), 0 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 15:44:52,089 INFO L276 IsEmpty]: Start isEmpty. Operand 93210 states and 148960 transitions. [2022-10-16 15:44:52,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 15:44:52,089 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:44:52,090 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] [2022-10-16 15:44:52,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 15:44:52,090 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 93 more)] === [2022-10-16 15:44:52,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:44:52,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1189285476, now seen corresponding path program 1 times [2022-10-16 15:44:52,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:44:52,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304723463] [2022-10-16 15:44:52,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:44:52,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:44:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:44:52,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:44:52,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:44:52,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304723463] [2022-10-16 15:44:52,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304723463] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:44:52,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:44:52,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:44:52,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698311253] [2022-10-16 15:44:52,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:44:52,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:44:52,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:44:52,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:44:52,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:44:52,254 INFO L87 Difference]: Start difference. First operand 93210 states and 148960 transitions. Second operand has 5 states, 4 states have (on average 28.0) internal successors, (112), 5 states have internal predecessors, (112), 0 states have call successors, (0), 0 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 15:45:03,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:45:03,987 INFO L93 Difference]: Finished difference Result 177300 states and 282984 transitions. [2022-10-16 15:45:03,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:45:03,987 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 28.0) internal successors, (112), 5 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-10-16 15:45:03,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:45:04,209 INFO L225 Difference]: With dead ends: 177300 [2022-10-16 15:45:04,210 INFO L226 Difference]: Without dead ends: 101035 [2022-10-16 15:45:04,283 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 15:45:04,285 INFO L413 NwaCegarLoop]: 530 mSDtfsCounter, 1120 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1120 SdHoareTripleChecker+Valid, 1261 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:45:04,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1120 Valid, 1261 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:45:04,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101035 states. [2022-10-16 15:45:15,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101035 to 100083. [2022-10-16 15:45:15,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100083 states, 100048 states have (on average 1.5961238605469374) internal successors, (159689), 100082 states have internal predecessors, (159689), 0 states have call successors, (0), 0 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 15:45:15,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100083 states to 100083 states and 159689 transitions. [2022-10-16 15:45:15,730 INFO L78 Accepts]: Start accepts. Automaton has 100083 states and 159689 transitions. Word has length 112 [2022-10-16 15:45:15,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:45:15,730 INFO L495 AbstractCegarLoop]: Abstraction has 100083 states and 159689 transitions. [2022-10-16 15:45:15,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 28.0) internal successors, (112), 5 states have internal predecessors, (112), 0 states have call successors, (0), 0 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 15:45:15,731 INFO L276 IsEmpty]: Start isEmpty. Operand 100083 states and 159689 transitions. [2022-10-16 15:45:15,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 15:45:15,733 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:45:15,733 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] [2022-10-16 15:45:15,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 15:45:15,733 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 93 more)] === [2022-10-16 15:45:15,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:45:15,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1786855491, now seen corresponding path program 1 times [2022-10-16 15:45:15,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:45:15,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757383596] [2022-10-16 15:45:15,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:45:15,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:45:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:45:15,883 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 15:45:15,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:45:15,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757383596] [2022-10-16 15:45:15,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757383596] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:45:15,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:45:15,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:45:15,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575233157] [2022-10-16 15:45:15,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:45:15,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:45:15,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:45:15,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:45:15,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:45:15,887 INFO L87 Difference]: Start difference. First operand 100083 states and 159689 transitions. Second operand has 5 states, 4 states have (on average 28.25) internal successors, (113), 5 states have internal predecessors, (113), 0 states have call successors, (0), 0 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 15:45:34,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:45:34,341 INFO L93 Difference]: Finished difference Result 242969 states and 388776 transitions. [2022-10-16 15:45:34,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:45:34,342 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 28.25) internal successors, (113), 5 states have internal predecessors, (113), 0 states have call successors, (0), 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 113 [2022-10-16 15:45:34,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:45:34,882 INFO L225 Difference]: With dead ends: 242969 [2022-10-16 15:45:34,883 INFO L226 Difference]: Without dead ends: 160813 [2022-10-16 15:45:35,008 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 15:45:35,009 INFO L413 NwaCegarLoop]: 520 mSDtfsCounter, 1133 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1133 SdHoareTripleChecker+Valid, 1060 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:45:35,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1133 Valid, 1060 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:45:35,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160813 states. [2022-10-16 15:45:50,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160813 to 131955. [2022-10-16 15:45:50,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131955 states, 131922 states have (on average 1.602272554994618) internal successors, (211375), 131954 states have internal predecessors, (211375), 0 states have call successors, (0), 0 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 15:45:51,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131955 states to 131955 states and 211375 transitions. [2022-10-16 15:45:51,331 INFO L78 Accepts]: Start accepts. Automaton has 131955 states and 211375 transitions. Word has length 113 [2022-10-16 15:45:51,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:45:51,331 INFO L495 AbstractCegarLoop]: Abstraction has 131955 states and 211375 transitions. [2022-10-16 15:45:51,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 28.25) internal successors, (113), 5 states have internal predecessors, (113), 0 states have call successors, (0), 0 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 15:45:51,332 INFO L276 IsEmpty]: Start isEmpty. Operand 131955 states and 211375 transitions. [2022-10-16 15:45:51,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 15:45:51,332 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:45:51,332 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 15:45:51,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 15:45:51,333 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 93 more)] === [2022-10-16 15:45:51,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:45:51,333 INFO L85 PathProgramCache]: Analyzing trace with hash 818804991, now seen corresponding path program 1 times [2022-10-16 15:45:51,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:45:51,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465544351] [2022-10-16 15:45:51,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:45:51,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:45:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat