/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/pals_STARTPALS_Triplicated.2.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:00:26,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:00:26,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:00:26,932 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 15:00:26,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 15:00:26,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 15:00:26,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 15:00:26,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 15:00:26,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 15:00:26,966 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 15:00:26,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 15:00:26,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 15:00:26,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:00:26,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:00:26,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:00:26,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:00:26,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:00:26,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:00:26,979 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:00:26,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:00:26,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:00:26,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:00:26,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:00:26,987 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:00:26,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 15:00:27,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:00:27,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:00:27,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:00:27,005 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 15:00:27,035 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:00:27,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:00:27,036 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:00:27,037 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:00:27,038 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:00:27,038 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:00:27,039 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:00:27,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:00:27,039 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:00:27,040 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:00:27,040 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:00:27,040 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:00:27,040 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:00:27,041 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:00:27,041 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:00:27,041 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:00:27,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:00:27,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:00:27,042 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:00:27,042 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:00:27,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:00:27,042 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:00:27,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:00:27,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:00:27,043 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:00:27,043 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:00:27,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:00:27,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:00:27,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:00:27,044 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:00:27,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:00:27,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:00:27,045 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:00:27,045 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:00:27,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:00:27,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:00:27,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:00:27,470 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:00:27,471 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:00:27,472 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.UNBOUNDED.pals.c [2022-10-16 15:00:27,569 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b4d4b708/002ed031b9a7452998b1bfbeb9f0c8e2/FLAGb95816e17 [2022-10-16 15:00:28,235 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:00:28,236 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_Triplicated.2.ufo.UNBOUNDED.pals.c [2022-10-16 15:00:28,252 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b4d4b708/002ed031b9a7452998b1bfbeb9f0c8e2/FLAGb95816e17 [2022-10-16 15:00:28,590 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b4d4b708/002ed031b9a7452998b1bfbeb9f0c8e2 [2022-10-16 15:00:28,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:00:28,601 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:00:28,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:00:28,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:00:28,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:00:28,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:00:28" (1/1) ... [2022-10-16 15:00:28,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cd3cac6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:00:28, skipping insertion in model container [2022-10-16 15:00:28,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:00:28" (1/1) ... [2022-10-16 15:00:28,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:00:28,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:00:29,118 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/pals_STARTPALS_Triplicated.2.ufo.UNBOUNDED.pals.c[11921,11934] [2022-10-16 15:00:29,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:00:29,134 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:00:29,206 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/pals_STARTPALS_Triplicated.2.ufo.UNBOUNDED.pals.c[11921,11934] [2022-10-16 15:00:29,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:00:29,243 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:00:29,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:00:29 WrapperNode [2022-10-16 15:00:29,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:00:29,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:00:29,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:00:29,246 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:00:29,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:00:29" (1/1) ... [2022-10-16 15:00:29,292 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:00:29" (1/1) ... [2022-10-16 15:00:29,378 INFO L138 Inliner]: procedures = 28, calls = 51, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 408 [2022-10-16 15:00:29,379 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:00:29,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:00:29,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:00:29,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:00:29,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:00:29" (1/1) ... [2022-10-16 15:00:29,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:00:29" (1/1) ... [2022-10-16 15:00:29,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:00:29" (1/1) ... [2022-10-16 15:00:29,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:00:29" (1/1) ... [2022-10-16 15:00:29,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:00:29" (1/1) ... [2022-10-16 15:00:29,471 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:00:29" (1/1) ... [2022-10-16 15:00:29,477 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:00:29" (1/1) ... [2022-10-16 15:00:29,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:00:29" (1/1) ... [2022-10-16 15:00:29,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:00:29,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:00:29,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:00:29,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:00:29,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:00:29" (1/1) ... [2022-10-16 15:00:29,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:00:29,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:00:29,543 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 15:00:29,567 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 15:00:29,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:00:29,619 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_bool [2022-10-16 15:00:29,620 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_bool [2022-10-16 15:00:29,620 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2022-10-16 15:00:29,620 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2022-10-16 15:00:29,620 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_int8 [2022-10-16 15:00:29,620 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_int8 [2022-10-16 15:00:29,621 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_bool [2022-10-16 15:00:29,622 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_bool [2022-10-16 15:00:29,622 INFO L130 BoogieDeclarations]: Found specification of procedure add_history_type [2022-10-16 15:00:29,622 INFO L138 BoogieDeclarations]: Found implementation of procedure add_history_type [2022-10-16 15:00:29,622 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 15:00:29,622 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 15:00:29,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:00:29,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:00:29,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:00:29,781 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:00:29,784 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:00:30,694 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:00:30,711 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:00:30,711 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-16 15:00:30,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:00:30 BoogieIcfgContainer [2022-10-16 15:00:30,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:00:30,717 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:00:30,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:00:30,722 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:00:30,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:00:28" (1/3) ... [2022-10-16 15:00:30,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@527e77ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:00:30, skipping insertion in model container [2022-10-16 15:00:30,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:00:29" (2/3) ... [2022-10-16 15:00:30,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@527e77ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:00:30, skipping insertion in model container [2022-10-16 15:00:30,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:00:30" (3/3) ... [2022-10-16 15:00:30,726 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_STARTPALS_Triplicated.2.ufo.UNBOUNDED.pals.c [2022-10-16 15:00:30,751 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:00:30,751 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-10-16 15:00:30,838 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:00:30,848 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;@61dcece3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:00:30,848 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-10-16 15:00:30,855 INFO L276 IsEmpty]: Start isEmpty. Operand has 201 states, 149 states have (on average 1.604026845637584) internal successors, (239), 161 states have internal predecessors, (239), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2022-10-16 15:00:30,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-16 15:00:30,867 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:00:30,868 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:00:30,869 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting add_history_typeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 15:00:30,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:00:30,876 INFO L85 PathProgramCache]: Analyzing trace with hash 843546830, now seen corresponding path program 1 times [2022-10-16 15:00:30,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:00:30,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217620217] [2022-10-16 15:00:30,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:30,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:00:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:31,174 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 15:00:31,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:00:31,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217620217] [2022-10-16 15:00:31,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217620217] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:00:31,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:00:31,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:00:31,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145677987] [2022-10-16 15:00:31,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:00:31,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:00:31,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:00:31,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:00:31,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:00:31,227 INFO L87 Difference]: Start difference. First operand has 201 states, 149 states have (on average 1.604026845637584) internal successors, (239), 161 states have internal predecessors, (239), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:00:31,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:00:31,454 INFO L93 Difference]: Finished difference Result 419 states and 690 transitions. [2022-10-16 15:00:31,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:00:31,458 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-10-16 15:00:31,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:00:31,480 INFO L225 Difference]: With dead ends: 419 [2022-10-16 15:00:31,481 INFO L226 Difference]: Without dead ends: 220 [2022-10-16 15:00:31,495 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 15:00:31,503 INFO L413 NwaCegarLoop]: 302 mSDtfsCounter, 37 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 899 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:00:31,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 899 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:00:31,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-10-16 15:00:31,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 213. [2022-10-16 15:00:31,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 160 states have (on average 1.55625) internal successors, (249), 171 states have internal predecessors, (249), 38 states have call successors, (38), 7 states have call predecessors, (38), 7 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2022-10-16 15:00:31,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 325 transitions. [2022-10-16 15:00:31,625 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 325 transitions. Word has length 11 [2022-10-16 15:00:31,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:00:31,626 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 325 transitions. [2022-10-16 15:00:31,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:00:31,628 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 325 transitions. [2022-10-16 15:00:31,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 15:00:31,631 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:00:31,631 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:00:31,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:00:31,632 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting add_history_typeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 15:00:31,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:00:31,633 INFO L85 PathProgramCache]: Analyzing trace with hash -746147352, now seen corresponding path program 1 times [2022-10-16 15:00:31,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:00:31,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759747628] [2022-10-16 15:00:31,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:31,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:00:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:31,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 15:00:31,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:31,827 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 15:00:31,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:00:31,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759747628] [2022-10-16 15:00:31,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759747628] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:00:31,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:00:31,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:00:31,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179130320] [2022-10-16 15:00:31,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:00:31,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:00:31,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:00:31,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:00:31,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:00:31,837 INFO L87 Difference]: Start difference. First operand 213 states and 325 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 15:00:31,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:00:31,900 INFO L93 Difference]: Finished difference Result 449 states and 695 transitions. [2022-10-16 15:00:31,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:00:31,901 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-10-16 15:00:31,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:00:31,905 INFO L225 Difference]: With dead ends: 449 [2022-10-16 15:00:31,906 INFO L226 Difference]: Without dead ends: 248 [2022-10-16 15:00:31,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 15:00:31,910 INFO L413 NwaCegarLoop]: 308 mSDtfsCounter, 21 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 911 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:00:31,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 911 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:00:31,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-10-16 15:00:31,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 244. [2022-10-16 15:00:31,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 186 states have (on average 1.5268817204301075) internal successors, (284), 197 states have internal predecessors, (284), 43 states have call successors, (43), 7 states have call predecessors, (43), 7 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2022-10-16 15:00:31,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 370 transitions. [2022-10-16 15:00:31,946 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 370 transitions. Word has length 16 [2022-10-16 15:00:31,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:00:31,947 INFO L495 AbstractCegarLoop]: Abstraction has 244 states and 370 transitions. [2022-10-16 15:00:31,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 15:00:31,948 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 370 transitions. [2022-10-16 15:00:31,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-16 15:00:31,950 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:00:31,951 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:00:31,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:00:31,951 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting add_history_typeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 15:00:31,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:00:31,952 INFO L85 PathProgramCache]: Analyzing trace with hash -6127064, now seen corresponding path program 1 times [2022-10-16 15:00:31,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:00:31,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679042650] [2022-10-16 15:00:31,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:31,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:00:31,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:32,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 15:00:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:32,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 15:00:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:32,089 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:00:32,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:00:32,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679042650] [2022-10-16 15:00:32,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679042650] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:00:32,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:00:32,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:00:32,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088621859] [2022-10-16 15:00:32,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:00:32,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:00:32,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:00:32,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:00:32,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:00:32,093 INFO L87 Difference]: Start difference. First operand 244 states and 370 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 15:00:32,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:00:32,138 INFO L93 Difference]: Finished difference Result 248 states and 376 transitions. [2022-10-16 15:00:32,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:00:32,138 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 29 [2022-10-16 15:00:32,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:00:32,142 INFO L225 Difference]: With dead ends: 248 [2022-10-16 15:00:32,166 INFO L226 Difference]: Without dead ends: 247 [2022-10-16 15:00:32,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 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 15:00:32,173 INFO L413 NwaCegarLoop]: 296 mSDtfsCounter, 23 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 862 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:00:32,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 862 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:00:32,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-10-16 15:00:32,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 243. [2022-10-16 15:00:32,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 186 states have (on average 1.510752688172043) internal successors, (281), 196 states have internal predecessors, (281), 43 states have call successors, (43), 7 states have call predecessors, (43), 7 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2022-10-16 15:00:32,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 367 transitions. [2022-10-16 15:00:32,236 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 367 transitions. Word has length 29 [2022-10-16 15:00:32,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:00:32,237 INFO L495 AbstractCegarLoop]: Abstraction has 243 states and 367 transitions. [2022-10-16 15:00:32,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 15:00:32,238 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 367 transitions. [2022-10-16 15:00:32,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-16 15:00:32,247 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:00:32,247 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-10-16 15:00:32,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:00:32,248 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting add_history_typeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 15:00:32,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:00:32,253 INFO L85 PathProgramCache]: Analyzing trace with hash -189938430, now seen corresponding path program 1 times [2022-10-16 15:00:32,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:00:32,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [496103874] [2022-10-16 15:00:32,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:32,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:00:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:32,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-10-16 15:00:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:32,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 15:00:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:32,551 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 15:00:32,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:00:32,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [496103874] [2022-10-16 15:00:32,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [496103874] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 15:00:32,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [490981227] [2022-10-16 15:00:32,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:32,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:00:32,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:00:32,555 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 15:00:32,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 15:00:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:32,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 15:00:32,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 15:00:32,788 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 15:00:32,788 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 15:00:32,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [490981227] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:00:32,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 15:00:32,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-10-16 15:00:32,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635099107] [2022-10-16 15:00:32,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:00:32,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:00:32,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:00:32,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:00:32,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 15:00:32,792 INFO L87 Difference]: Start difference. First operand 243 states and 367 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 15:00:32,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:00:32,890 INFO L93 Difference]: Finished difference Result 247 states and 373 transitions. [2022-10-16 15:00:32,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:00:32,895 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 30 [2022-10-16 15:00:32,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:00:32,899 INFO L225 Difference]: With dead ends: 247 [2022-10-16 15:00:32,899 INFO L226 Difference]: Without dead ends: 246 [2022-10-16 15:00:32,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-10-16 15:00:32,904 INFO L413 NwaCegarLoop]: 326 mSDtfsCounter, 44 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 947 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:00:32,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 947 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:00:32,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2022-10-16 15:00:32,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 213. [2022-10-16 15:00:32,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 162 states have (on average 1.5123456790123457) internal successors, (245), 171 states have internal predecessors, (245), 38 states have call successors, (38), 7 states have call predecessors, (38), 7 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2022-10-16 15:00:32,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 321 transitions. [2022-10-16 15:00:32,953 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 321 transitions. Word has length 30 [2022-10-16 15:00:32,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:00:32,956 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 321 transitions. [2022-10-16 15:00:32,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 15:00:32,957 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 321 transitions. [2022-10-16 15:00:32,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 15:00:32,968 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:00:32,968 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:00:33,002 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 15:00:33,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:00:33,184 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 15:00:33,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:00:33,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1887388567, now seen corresponding path program 1 times [2022-10-16 15:00:33,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:00:33,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448663280] [2022-10-16 15:00:33,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:33,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:00:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:33,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 15:00:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:33,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 15:00:33,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:33,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 15:00:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:33,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 15:00:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:33,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 15:00:33,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:33,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-16 15:00:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:33,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 15:00:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:33,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-10-16 15:00:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:33,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 15:00:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:33,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-10-16 15:00:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:33,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 15:00:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:33,564 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-10-16 15:00:33,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:00:33,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448663280] [2022-10-16 15:00:33,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448663280] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 15:00:33,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1820136288] [2022-10-16 15:00:33,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:33,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:00:33,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:00:33,567 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 15:00:33,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 15:00:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:33,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 15:00:33,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 15:00:33,786 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-16 15:00:33,790 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 15:00:33,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1820136288] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:00:33,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 15:00:33,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2022-10-16 15:00:33,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766152388] [2022-10-16 15:00:33,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:00:33,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:00:33,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:00:33,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:00:33,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:00:33,794 INFO L87 Difference]: Start difference. First operand 213 states and 321 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 15:00:33,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:00:33,879 INFO L93 Difference]: Finished difference Result 373 states and 570 transitions. [2022-10-16 15:00:33,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:00:33,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 98 [2022-10-16 15:00:33,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:00:33,887 INFO L225 Difference]: With dead ends: 373 [2022-10-16 15:00:33,887 INFO L226 Difference]: Without dead ends: 220 [2022-10-16 15:00:33,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-10-16 15:00:33,893 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 20 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 859 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:00:33,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 859 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:00:33,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-10-16 15:00:33,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2022-10-16 15:00:33,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 167 states have (on average 1.5149700598802396) internal successors, (253), 177 states have internal predecessors, (253), 39 states have call successors, (39), 8 states have call predecessors, (39), 8 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2022-10-16 15:00:33,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 331 transitions. [2022-10-16 15:00:33,967 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 331 transitions. Word has length 98 [2022-10-16 15:00:33,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:00:33,970 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 331 transitions. [2022-10-16 15:00:33,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 15:00:33,970 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 331 transitions. [2022-10-16 15:00:33,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 15:00:33,978 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:00:33,978 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:00:34,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 15:00:34,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:00:34,180 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 15:00:34,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:00:34,181 INFO L85 PathProgramCache]: Analyzing trace with hash 2102143659, now seen corresponding path program 1 times [2022-10-16 15:00:34,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:00:34,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324569847] [2022-10-16 15:00:34,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:34,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:00:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:34,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 15:00:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:34,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 15:00:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:34,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 15:00:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:34,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 15:00:34,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:34,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 15:00:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:34,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-16 15:00:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:34,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 15:00:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:34,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-10-16 15:00:34,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:34,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-16 15:00:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:34,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-16 15:00:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:34,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-10-16 15:00:34,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:34,444 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-10-16 15:00:34,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:00:34,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324569847] [2022-10-16 15:00:34,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324569847] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 15:00:34,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826011967] [2022-10-16 15:00:34,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:34,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:00:34,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:00:34,447 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 15:00:34,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 15:00:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:34,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 15:00:34,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 15:00:34,641 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-10-16 15:00:34,641 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 15:00:34,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826011967] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:00:34,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 15:00:34,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2022-10-16 15:00:34,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874909723] [2022-10-16 15:00:34,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:00:34,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:00:34,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:00:34,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:00:34,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:00:34,645 INFO L87 Difference]: Start difference. First operand 220 states and 331 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 15:00:34,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:00:34,708 INFO L93 Difference]: Finished difference Result 387 states and 589 transitions. [2022-10-16 15:00:34,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:00:34,709 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 100 [2022-10-16 15:00:34,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:00:34,712 INFO L225 Difference]: With dead ends: 387 [2022-10-16 15:00:34,713 INFO L226 Difference]: Without dead ends: 227 [2022-10-16 15:00:34,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-10-16 15:00:34,715 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 18 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 859 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:00:34,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 859 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:00:34,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2022-10-16 15:00:34,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2022-10-16 15:00:34,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 172 states have (on average 1.5174418604651163) internal successors, (261), 183 states have internal predecessors, (261), 40 states have call successors, (40), 9 states have call predecessors, (40), 9 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2022-10-16 15:00:34,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 341 transitions. [2022-10-16 15:00:34,733 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 341 transitions. Word has length 100 [2022-10-16 15:00:34,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:00:34,733 INFO L495 AbstractCegarLoop]: Abstraction has 227 states and 341 transitions. [2022-10-16 15:00:34,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 15:00:34,734 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 341 transitions. [2022-10-16 15:00:34,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 15:00:34,736 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:00:34,737 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:00:34,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 15:00:34,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:00:34,951 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 15:00:34,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:00:34,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1676287810, now seen corresponding path program 1 times [2022-10-16 15:00:34,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:00:34,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4694607] [2022-10-16 15:00:34,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:34,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:00:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:35,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 15:00:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:35,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 15:00:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:35,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 15:00:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:35,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 15:00:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:35,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 15:00:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:35,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-16 15:00:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:35,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 15:00:35,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:35,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 15:00:35,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:35,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-16 15:00:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:35,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 15:00:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:35,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 15:00:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:35,148 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-10-16 15:00:35,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:00:35,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4694607] [2022-10-16 15:00:35,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4694607] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 15:00:35,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84328515] [2022-10-16 15:00:35,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:35,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:00:35,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:00:35,151 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 15:00:35,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 15:00:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:35,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 15:00:35,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 15:00:35,334 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-16 15:00:35,334 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 15:00:35,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [84328515] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:00:35,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 15:00:35,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2022-10-16 15:00:35,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941630047] [2022-10-16 15:00:35,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:00:35,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:00:35,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:00:35,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:00:35,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:00:35,337 INFO L87 Difference]: Start difference. First operand 227 states and 341 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 15:00:35,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:00:35,453 INFO L93 Difference]: Finished difference Result 408 states and 627 transitions. [2022-10-16 15:00:35,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:00:35,454 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 101 [2022-10-16 15:00:35,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:00:35,456 INFO L225 Difference]: With dead ends: 408 [2022-10-16 15:00:35,457 INFO L226 Difference]: Without dead ends: 241 [2022-10-16 15:00:35,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-10-16 15:00:35,459 INFO L413 NwaCegarLoop]: 278 mSDtfsCounter, 57 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:00:35,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 804 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:00:35,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2022-10-16 15:00:35,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2022-10-16 15:00:35,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 184 states have (on average 1.5326086956521738) internal successors, (282), 195 states have internal predecessors, (282), 41 states have call successors, (41), 10 states have call predecessors, (41), 10 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2022-10-16 15:00:35,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 364 transitions. [2022-10-16 15:00:35,475 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 364 transitions. Word has length 101 [2022-10-16 15:00:35,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:00:35,476 INFO L495 AbstractCegarLoop]: Abstraction has 241 states and 364 transitions. [2022-10-16 15:00:35,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 15:00:35,477 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 364 transitions. [2022-10-16 15:00:35,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 15:00:35,479 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:00:35,479 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:00:35,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-10-16 15:00:35,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:00:35,694 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 15:00:35,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:00:35,695 INFO L85 PathProgramCache]: Analyzing trace with hash -466539529, now seen corresponding path program 1 times [2022-10-16 15:00:35,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:00:35,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325001706] [2022-10-16 15:00:35,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:35,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:00:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:35,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 15:00:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:35,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 15:00:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:35,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 15:00:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:35,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 15:00:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:35,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 15:00:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:35,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-16 15:00:35,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:35,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 15:00:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:35,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 15:00:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:35,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 15:00:35,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:35,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-10-16 15:00:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:35,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-10-16 15:00:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:35,887 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-10-16 15:00:35,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:00:35,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325001706] [2022-10-16 15:00:35,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325001706] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 15:00:35,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495131247] [2022-10-16 15:00:35,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:35,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:00:35,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:00:35,890 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 15:00:35,910 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 15:00:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:36,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 15:00:36,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 15:00:36,073 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 15:00:36,074 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 15:00:36,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1495131247] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:00:36,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 15:00:36,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2022-10-16 15:00:36,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596145105] [2022-10-16 15:00:36,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:00:36,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:00:36,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:00:36,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:00:36,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:00:36,076 INFO L87 Difference]: Start difference. First operand 241 states and 364 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 15:00:36,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:00:36,171 INFO L93 Difference]: Finished difference Result 487 states and 751 transitions. [2022-10-16 15:00:36,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:00:36,172 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 104 [2022-10-16 15:00:36,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:00:36,175 INFO L225 Difference]: With dead ends: 487 [2022-10-16 15:00:36,175 INFO L226 Difference]: Without dead ends: 265 [2022-10-16 15:00:36,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-10-16 15:00:36,178 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 53 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 812 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:00:36,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 812 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:00:36,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2022-10-16 15:00:36,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2022-10-16 15:00:36,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 204 states have (on average 1.5490196078431373) internal successors, (316), 215 states have internal predecessors, (316), 43 states have call successors, (43), 12 states have call predecessors, (43), 12 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2022-10-16 15:00:36,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 402 transitions. [2022-10-16 15:00:36,196 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 402 transitions. Word has length 104 [2022-10-16 15:00:36,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:00:36,196 INFO L495 AbstractCegarLoop]: Abstraction has 265 states and 402 transitions. [2022-10-16 15:00:36,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 15:00:36,197 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 402 transitions. [2022-10-16 15:00:36,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 15:00:36,199 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:00:36,200 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:00:36,241 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 15:00:36,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:00:36,409 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 15:00:36,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:00:36,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1464898709, now seen corresponding path program 1 times [2022-10-16 15:00:36,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:00:36,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355609456] [2022-10-16 15:00:36,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:36,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:00:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:36,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 15:00:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:36,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 15:00:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:36,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 15:00:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:36,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 15:00:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:36,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 15:00:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:36,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-16 15:00:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:36,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 15:00:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:36,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 15:00:36,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:36,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 15:00:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:36,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-16 15:00:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:36,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-16 15:00:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:36,601 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-10-16 15:00:36,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:00:36,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355609456] [2022-10-16 15:00:36,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355609456] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 15:00:36,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246397056] [2022-10-16 15:00:36,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:36,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:00:36,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:00:36,608 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 15:00:36,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 15:00:36,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:36,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 521 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 15:00:36,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 15:00:36,818 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-10-16 15:00:36,818 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 15:00:36,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1246397056] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:00:36,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 15:00:36,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2022-10-16 15:00:36,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950806663] [2022-10-16 15:00:36,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:00:36,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:00:36,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:00:36,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:00:36,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:00:36,822 INFO L87 Difference]: Start difference. First operand 265 states and 402 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 15:00:36,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:00:36,910 INFO L93 Difference]: Finished difference Result 531 states and 816 transitions. [2022-10-16 15:00:36,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:00:36,911 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 106 [2022-10-16 15:00:36,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:00:36,915 INFO L225 Difference]: With dead ends: 531 [2022-10-16 15:00:36,915 INFO L226 Difference]: Without dead ends: 285 [2022-10-16 15:00:36,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-10-16 15:00:36,919 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 47 mSDsluCounter, 524 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 808 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:00:36,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 808 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:00:36,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2022-10-16 15:00:36,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2022-10-16 15:00:36,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 220 states have (on average 1.5545454545454545) internal successors, (342), 231 states have internal predecessors, (342), 45 states have call successors, (45), 14 states have call predecessors, (45), 14 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2022-10-16 15:00:36,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 432 transitions. [2022-10-16 15:00:36,945 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 432 transitions. Word has length 106 [2022-10-16 15:00:36,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:00:36,946 INFO L495 AbstractCegarLoop]: Abstraction has 285 states and 432 transitions. [2022-10-16 15:00:36,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 15:00:36,947 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 432 transitions. [2022-10-16 15:00:36,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 15:00:36,950 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:00:36,951 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:00:36,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 15:00:37,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:00:37,166 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 15:00:37,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:00:37,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1680950067, now seen corresponding path program 1 times [2022-10-16 15:00:37,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:00:37,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848610061] [2022-10-16 15:00:37,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:37,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:00:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:37,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 15:00:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:37,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 15:00:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:37,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 15:00:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:37,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 15:00:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:37,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 15:00:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:37,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-16 15:00:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:37,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 15:00:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:37,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 15:00:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:37,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 15:00:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:37,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-16 15:00:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:37,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 15:00:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:37,384 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-16 15:00:37,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:00:37,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848610061] [2022-10-16 15:00:37,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848610061] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 15:00:37,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575134448] [2022-10-16 15:00:37,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:37,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:00:37,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:00:37,389 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 15:00:37,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 15:00:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:37,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 15:00:37,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 15:00:37,565 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-10-16 15:00:37,566 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 15:00:37,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575134448] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:00:37,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 15:00:37,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2022-10-16 15:00:37,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77294003] [2022-10-16 15:00:37,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:00:37,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:00:37,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:00:37,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:00:37,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:00:37,571 INFO L87 Difference]: Start difference. First operand 285 states and 432 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 15:00:37,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:00:37,627 INFO L93 Difference]: Finished difference Result 547 states and 835 transitions. [2022-10-16 15:00:37,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:00:37,628 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 107 [2022-10-16 15:00:37,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:00:37,631 INFO L225 Difference]: With dead ends: 547 [2022-10-16 15:00:37,631 INFO L226 Difference]: Without dead ends: 352 [2022-10-16 15:00:37,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-10-16 15:00:37,633 INFO L413 NwaCegarLoop]: 396 mSDtfsCounter, 88 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 1081 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:00:37,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 1081 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:00:37,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2022-10-16 15:00:37,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 295. [2022-10-16 15:00:37,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 229 states have (on average 1.5502183406113537) internal successors, (355), 239 states have internal predecessors, (355), 47 states have call successors, (47), 14 states have call predecessors, (47), 14 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2022-10-16 15:00:37,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 449 transitions. [2022-10-16 15:00:37,658 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 449 transitions. Word has length 107 [2022-10-16 15:00:37,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:00:37,658 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 449 transitions. [2022-10-16 15:00:37,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 15:00:37,659 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 449 transitions. [2022-10-16 15:00:37,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-16 15:00:37,666 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:00:37,666 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:00:37,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-16 15:00:37,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:00:37,881 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 15:00:37,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:00:37,882 INFO L85 PathProgramCache]: Analyzing trace with hash -569844177, now seen corresponding path program 1 times [2022-10-16 15:00:37,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:00:37,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293163096] [2022-10-16 15:00:37,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:37,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:00:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:37,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 15:00:37,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:37,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 15:00:37,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:37,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 15:00:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:38,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 15:00:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:38,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 15:00:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:38,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-16 15:00:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:38,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 15:00:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:38,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 15:00:38,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:38,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 15:00:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:38,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-16 15:00:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:38,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 15:00:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:38,061 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-16 15:00:38,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:00:38,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293163096] [2022-10-16 15:00:38,061 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293163096] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 15:00:38,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122866687] [2022-10-16 15:00:38,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:38,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:00:38,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:00:38,063 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 15:00:38,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 15:00:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:38,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 15:00:38,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 15:00:38,243 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-10-16 15:00:38,243 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 15:00:38,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [122866687] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:00:38,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 15:00:38,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2022-10-16 15:00:38,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615988895] [2022-10-16 15:00:38,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:00:38,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:00:38,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:00:38,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:00:38,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:00:38,248 INFO L87 Difference]: Start difference. First operand 295 states and 449 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 15:00:38,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:00:38,308 INFO L93 Difference]: Finished difference Result 384 states and 595 transitions. [2022-10-16 15:00:38,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:00:38,309 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), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 108 [2022-10-16 15:00:38,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:00:38,313 INFO L225 Difference]: With dead ends: 384 [2022-10-16 15:00:38,314 INFO L226 Difference]: Without dead ends: 383 [2022-10-16 15:00:38,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-10-16 15:00:38,315 INFO L413 NwaCegarLoop]: 416 mSDtfsCounter, 115 mSDsluCounter, 707 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 1123 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:00:38,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 1123 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:00:38,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2022-10-16 15:00:38,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 294. [2022-10-16 15:00:38,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 229 states have (on average 1.5458515283842795) internal successors, (354), 238 states have internal predecessors, (354), 47 states have call successors, (47), 14 states have call predecessors, (47), 14 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2022-10-16 15:00:38,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 448 transitions. [2022-10-16 15:00:38,346 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 448 transitions. Word has length 108 [2022-10-16 15:00:38,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:00:38,346 INFO L495 AbstractCegarLoop]: Abstraction has 294 states and 448 transitions. [2022-10-16 15:00:38,347 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), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-10-16 15:00:38,347 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 448 transitions. [2022-10-16 15:00:38,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 15:00:38,350 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:00:38,350 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:00:38,393 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-16 15:00:38,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-10-16 15:00:38,565 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 15:00:38,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:00:38,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1575850277, now seen corresponding path program 1 times [2022-10-16 15:00:38,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:00:38,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734140206] [2022-10-16 15:00:38,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:38,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:00:38,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:38,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 15:00:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:38,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 15:00:38,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:38,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 15:00:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:38,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 15:00:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:38,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 15:00:38,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:38,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-16 15:00:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:38,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 15:00:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:38,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 15:00:38,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:38,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 15:00:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:38,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-16 15:00:38,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:38,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 15:00:38,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:38,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-16 15:00:38,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:38,739 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-10-16 15:00:38,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:00:38,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734140206] [2022-10-16 15:00:38,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734140206] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 15:00:38,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [627515767] [2022-10-16 15:00:38,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:38,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:00:38,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:00:38,742 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 15:00:38,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-16 15:00:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:38,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 15:00:38,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 15:00:38,910 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-10-16 15:00:38,910 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 15:00:38,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [627515767] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:00:38,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 15:00:38,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2022-10-16 15:00:38,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582410852] [2022-10-16 15:00:38,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:00:38,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:00:38,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:00:38,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:00:38,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:00:38,913 INFO L87 Difference]: Start difference. First operand 294 states and 448 transitions. Second operand has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-16 15:00:38,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:00:38,963 INFO L93 Difference]: Finished difference Result 351 states and 537 transitions. [2022-10-16 15:00:38,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:00:38,964 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), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 115 [2022-10-16 15:00:38,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:00:38,967 INFO L225 Difference]: With dead ends: 351 [2022-10-16 15:00:38,967 INFO L226 Difference]: Without dead ends: 350 [2022-10-16 15:00:38,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-10-16 15:00:38,969 INFO L413 NwaCegarLoop]: 379 mSDtfsCounter, 83 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 1042 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:00:38,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 1042 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:00:38,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2022-10-16 15:00:38,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 295. [2022-10-16 15:00:38,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 230 states have (on average 1.5434782608695652) internal successors, (355), 239 states have internal predecessors, (355), 47 states have call successors, (47), 14 states have call predecessors, (47), 14 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2022-10-16 15:00:38,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 449 transitions. [2022-10-16 15:00:38,989 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 449 transitions. Word has length 115 [2022-10-16 15:00:38,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:00:38,990 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 449 transitions. [2022-10-16 15:00:38,990 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), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-16 15:00:38,990 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 449 transitions. [2022-10-16 15:00:38,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 15:00:38,993 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:00:38,993 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:00:39,035 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-10-16 15:00:39,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:00:39,208 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 15:00:39,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:00:39,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1606717971, now seen corresponding path program 1 times [2022-10-16 15:00:39,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:00:39,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834423863] [2022-10-16 15:00:39,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:39,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:00:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:39,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 15:00:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:39,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 15:00:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:39,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 15:00:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:39,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 15:00:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:39,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 15:00:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:39,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-16 15:00:39,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:39,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 15:00:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:39,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 15:00:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:39,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 15:00:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:39,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-16 15:00:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:39,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 15:00:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:39,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-16 15:00:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:39,382 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-10-16 15:00:39,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:00:39,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834423863] [2022-10-16 15:00:39,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834423863] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 15:00:39,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1388057065] [2022-10-16 15:00:39,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:39,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:00:39,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:00:39,384 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 15:00:39,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-10-16 15:00:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:39,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 15:00:39,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 15:00:39,573 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-10-16 15:00:39,573 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 15:00:39,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1388057065] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:00:39,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 15:00:39,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2022-10-16 15:00:39,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514191934] [2022-10-16 15:00:39,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:00:39,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:00:39,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:00:39,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:00:39,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:00:39,575 INFO L87 Difference]: Start difference. First operand 295 states and 449 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-16 15:00:39,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:00:39,641 INFO L93 Difference]: Finished difference Result 386 states and 597 transitions. [2022-10-16 15:00:39,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:00:39,641 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 116 [2022-10-16 15:00:39,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:00:39,645 INFO L225 Difference]: With dead ends: 386 [2022-10-16 15:00:39,645 INFO L226 Difference]: Without dead ends: 385 [2022-10-16 15:00:39,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-10-16 15:00:39,647 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 111 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 1139 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:00:39,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 1139 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:00:39,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2022-10-16 15:00:39,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 296. [2022-10-16 15:00:39,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 231 states have (on average 1.5411255411255411) internal successors, (356), 240 states have internal predecessors, (356), 47 states have call successors, (47), 14 states have call predecessors, (47), 14 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2022-10-16 15:00:39,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 450 transitions. [2022-10-16 15:00:39,670 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 450 transitions. Word has length 116 [2022-10-16 15:00:39,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:00:39,671 INFO L495 AbstractCegarLoop]: Abstraction has 296 states and 450 transitions. [2022-10-16 15:00:39,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-10-16 15:00:39,671 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 450 transitions. [2022-10-16 15:00:39,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-16 15:00:39,674 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:00:39,674 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:00:39,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-10-16 15:00:39,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-10-16 15:00:39,888 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 15:00:39,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:00:39,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1464129119, now seen corresponding path program 1 times [2022-10-16 15:00:39,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:00:39,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105161404] [2022-10-16 15:00:39,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:39,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:00:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:39,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 15:00:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:39,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 15:00:39,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:39,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 15:00:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:40,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 15:00:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:40,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 15:00:40,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:40,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-16 15:00:40,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:40,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 15:00:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:40,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 15:00:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:40,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 15:00:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:40,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-16 15:00:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:40,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 15:00:40,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:40,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-16 15:00:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:40,054 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-10-16 15:00:40,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:00:40,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105161404] [2022-10-16 15:00:40,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105161404] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 15:00:40,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621057275] [2022-10-16 15:00:40,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:40,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:00:40,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:00:40,056 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 15:00:40,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-10-16 15:00:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:40,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 15:00:40,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 15:00:40,256 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-10-16 15:00:40,256 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 15:00:40,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [621057275] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:00:40,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 15:00:40,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2022-10-16 15:00:40,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413540878] [2022-10-16 15:00:40,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:00:40,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:00:40,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:00:40,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:00:40,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-10-16 15:00:40,259 INFO L87 Difference]: Start difference. First operand 296 states and 450 transitions. Second operand has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-10-16 15:00:40,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:00:40,403 INFO L93 Difference]: Finished difference Result 643 states and 993 transitions. [2022-10-16 15:00:40,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 15:00:40,403 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 117 [2022-10-16 15:00:40,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:00:40,408 INFO L225 Difference]: With dead ends: 643 [2022-10-16 15:00:40,408 INFO L226 Difference]: Without dead ends: 437 [2022-10-16 15:00:40,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-10-16 15:00:40,410 INFO L413 NwaCegarLoop]: 510 mSDtfsCounter, 213 mSDsluCounter, 1419 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 1929 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:00:40,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 1929 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:00:40,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2022-10-16 15:00:40,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 301. [2022-10-16 15:00:40,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 236 states have (on average 1.5423728813559323) internal successors, (364), 244 states have internal predecessors, (364), 48 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2022-10-16 15:00:40,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 460 transitions. [2022-10-16 15:00:40,432 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 460 transitions. Word has length 117 [2022-10-16 15:00:40,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:00:40,433 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 460 transitions. [2022-10-16 15:00:40,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.6) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-10-16 15:00:40,433 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 460 transitions. [2022-10-16 15:00:40,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 15:00:40,437 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:00:40,437 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:00:40,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-10-16 15:00:40,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-10-16 15:00:40,651 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 15:00:40,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:00:40,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1856637207, now seen corresponding path program 1 times [2022-10-16 15:00:40,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:00:40,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3633272] [2022-10-16 15:00:40,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:40,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:00:40,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:40,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 15:00:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:40,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 15:00:40,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:40,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 15:00:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:40,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 15:00:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:40,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 15:00:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:40,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-16 15:00:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:40,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 15:00:40,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:40,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 15:00:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:40,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 15:00:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:40,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-16 15:00:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:40,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 15:00:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:40,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-16 15:00:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:40,808 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-10-16 15:00:40,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:00:40,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3633272] [2022-10-16 15:00:40,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3633272] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 15:00:40,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409528097] [2022-10-16 15:00:40,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:40,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:00:40,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:00:40,810 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 15:00:40,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-10-16 15:00:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:40,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 15:00:40,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 15:00:41,016 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-10-16 15:00:41,016 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 15:00:41,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409528097] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:00:41,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 15:00:41,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2022-10-16 15:00:41,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406460632] [2022-10-16 15:00:41,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:00:41,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:00:41,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:00:41,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:00:41,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-10-16 15:00:41,019 INFO L87 Difference]: Start difference. First operand 301 states and 460 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-10-16 15:00:41,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:00:41,125 INFO L93 Difference]: Finished difference Result 444 states and 692 transitions. [2022-10-16 15:00:41,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:00:41,126 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 118 [2022-10-16 15:00:41,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:00:41,130 INFO L225 Difference]: With dead ends: 444 [2022-10-16 15:00:41,130 INFO L226 Difference]: Without dead ends: 443 [2022-10-16 15:00:41,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-10-16 15:00:41,131 INFO L413 NwaCegarLoop]: 475 mSDtfsCounter, 193 mSDsluCounter, 1622 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 2097 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:00:41,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 2097 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:00:41,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2022-10-16 15:00:41,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 298. [2022-10-16 15:00:41,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 234 states have (on average 1.5427350427350428) internal successors, (361), 241 states have internal predecessors, (361), 48 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2022-10-16 15:00:41,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 457 transitions. [2022-10-16 15:00:41,152 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 457 transitions. Word has length 118 [2022-10-16 15:00:41,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:00:41,152 INFO L495 AbstractCegarLoop]: Abstraction has 298 states and 457 transitions. [2022-10-16 15:00:41,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-10-16 15:00:41,153 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 457 transitions. [2022-10-16 15:00:41,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 15:00:41,156 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:00:41,156 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:00:41,192 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-10-16 15:00:41,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-10-16 15:00:41,372 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 15:00:41,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:00:41,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1684605911, now seen corresponding path program 1 times [2022-10-16 15:00:41,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:00:41,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548114821] [2022-10-16 15:00:41,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:41,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:00:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:41,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 15:00:41,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:41,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 15:00:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:41,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 15:00:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:41,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 15:00:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:41,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 15:00:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:41,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-16 15:00:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:41,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 15:00:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:41,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 15:00:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:41,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 15:00:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:41,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-16 15:00:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:41,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 15:00:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:41,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-16 15:00:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:41,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-16 15:00:41,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:41,536 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-10-16 15:00:41,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:00:41,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548114821] [2022-10-16 15:00:41,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548114821] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 15:00:41,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395383131] [2022-10-16 15:00:41,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:41,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:00:41,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:00:41,538 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 15:00:41,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-10-16 15:00:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:41,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 15:00:41,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 15:00:41,712 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-10-16 15:00:41,712 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 15:00:41,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395383131] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:00:41,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 15:00:41,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2022-10-16 15:00:41,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533252905] [2022-10-16 15:00:41,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:00:41,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:00:41,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:00:41,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:00:41,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:00:41,717 INFO L87 Difference]: Start difference. First operand 298 states and 457 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-16 15:00:41,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:00:41,767 INFO L93 Difference]: Finished difference Result 354 states and 545 transitions. [2022-10-16 15:00:41,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:00:41,768 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 123 [2022-10-16 15:00:41,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:00:41,771 INFO L225 Difference]: With dead ends: 354 [2022-10-16 15:00:41,771 INFO L226 Difference]: Without dead ends: 353 [2022-10-16 15:00:41,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-10-16 15:00:41,773 INFO L413 NwaCegarLoop]: 376 mSDtfsCounter, 80 mSDsluCounter, 662 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 1038 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:00:41,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 1038 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:00:41,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2022-10-16 15:00:41,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 299. [2022-10-16 15:00:41,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 235 states have (on average 1.5404255319148936) internal successors, (362), 242 states have internal predecessors, (362), 48 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2022-10-16 15:00:41,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 458 transitions. [2022-10-16 15:00:41,792 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 458 transitions. Word has length 123 [2022-10-16 15:00:41,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:00:41,793 INFO L495 AbstractCegarLoop]: Abstraction has 299 states and 458 transitions. [2022-10-16 15:00:41,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-16 15:00:41,793 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 458 transitions. [2022-10-16 15:00:41,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-16 15:00:41,797 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:00:41,797 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:00:41,844 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-10-16 15:00:42,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-10-16 15:00:42,013 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 15:00:42,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:00:42,014 INFO L85 PathProgramCache]: Analyzing trace with hash -683175317, now seen corresponding path program 1 times [2022-10-16 15:00:42,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:00:42,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353090904] [2022-10-16 15:00:42,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:42,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:00:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:42,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 15:00:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:42,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 15:00:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:42,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 15:00:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:42,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 15:00:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:42,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 15:00:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:42,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-16 15:00:42,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:42,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 15:00:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:42,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 15:00:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:42,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 15:00:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:42,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-16 15:00:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:42,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 15:00:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:42,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-16 15:00:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:42,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-10-16 15:00:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:42,168 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-10-16 15:00:42,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:00:42,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353090904] [2022-10-16 15:00:42,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353090904] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 15:00:42,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116026154] [2022-10-16 15:00:42,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:42,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:00:42,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:00:42,170 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 15:00:42,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-10-16 15:00:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:42,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 15:00:42,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 15:00:42,380 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-10-16 15:00:42,380 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 15:00:42,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116026154] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:00:42,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 15:00:42,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2022-10-16 15:00:42,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735352452] [2022-10-16 15:00:42,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:00:42,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:00:42,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:00:42,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:00:42,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:00:42,384 INFO L87 Difference]: Start difference. First operand 299 states and 458 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-16 15:00:42,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:00:42,445 INFO L93 Difference]: Finished difference Result 386 states and 600 transitions. [2022-10-16 15:00:42,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:00:42,446 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 124 [2022-10-16 15:00:42,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:00:42,450 INFO L225 Difference]: With dead ends: 386 [2022-10-16 15:00:42,450 INFO L226 Difference]: Without dead ends: 385 [2022-10-16 15:00:42,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-10-16 15:00:42,451 INFO L413 NwaCegarLoop]: 436 mSDtfsCounter, 105 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 1163 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:00:42,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 1163 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:00:42,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2022-10-16 15:00:42,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 300. [2022-10-16 15:00:42,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 236 states have (on average 1.5381355932203389) internal successors, (363), 243 states have internal predecessors, (363), 48 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2022-10-16 15:00:42,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 459 transitions. [2022-10-16 15:00:42,474 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 459 transitions. Word has length 124 [2022-10-16 15:00:42,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:00:42,475 INFO L495 AbstractCegarLoop]: Abstraction has 300 states and 459 transitions. [2022-10-16 15:00:42,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-16 15:00:42,476 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 459 transitions. [2022-10-16 15:00:42,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 15:00:42,479 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:00:42,479 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:00:42,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-10-16 15:00:42,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:00:42,692 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 15:00:42,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:00:42,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1787761069, now seen corresponding path program 1 times [2022-10-16 15:00:42,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:00:42,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884095037] [2022-10-16 15:00:42,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:42,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:00:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:42,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 15:00:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:42,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 15:00:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:42,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 15:00:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:42,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 15:00:42,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:42,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 15:00:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:42,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-16 15:00:42,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:42,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 15:00:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:42,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 15:00:42,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:42,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 15:00:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:42,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-16 15:00:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:42,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 15:00:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:42,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-16 15:00:42,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:42,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-16 15:00:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:42,851 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-10-16 15:00:42,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:00:42,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884095037] [2022-10-16 15:00:42,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884095037] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 15:00:42,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923157756] [2022-10-16 15:00:42,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:42,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:00:42,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:00:42,854 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 15:00:42,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-10-16 15:00:42,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:42,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 15:00:42,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 15:00:43,051 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-10-16 15:00:43,051 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 15:00:43,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923157756] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:00:43,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 15:00:43,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2022-10-16 15:00:43,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227969076] [2022-10-16 15:00:43,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:00:43,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:00:43,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:00:43,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:00:43,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-10-16 15:00:43,053 INFO L87 Difference]: Start difference. First operand 300 states and 459 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-10-16 15:00:43,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:00:43,186 INFO L93 Difference]: Finished difference Result 650 states and 1010 transitions. [2022-10-16 15:00:43,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 15:00:43,186 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 125 [2022-10-16 15:00:43,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:00:43,190 INFO L225 Difference]: With dead ends: 650 [2022-10-16 15:00:43,191 INFO L226 Difference]: Without dead ends: 440 [2022-10-16 15:00:43,192 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-10-16 15:00:43,193 INFO L413 NwaCegarLoop]: 480 mSDtfsCounter, 232 mSDsluCounter, 1350 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 1830 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:00:43,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 1830 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:00:43,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2022-10-16 15:00:43,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 306. [2022-10-16 15:00:43,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 241 states have (on average 1.5311203319502074) internal successors, (369), 248 states have internal predecessors, (369), 49 states have call successors, (49), 14 states have call predecessors, (49), 14 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2022-10-16 15:00:43,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 467 transitions. [2022-10-16 15:00:43,215 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 467 transitions. Word has length 125 [2022-10-16 15:00:43,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:00:43,216 INFO L495 AbstractCegarLoop]: Abstraction has 306 states and 467 transitions. [2022-10-16 15:00:43,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-10-16 15:00:43,216 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 467 transitions. [2022-10-16 15:00:43,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-16 15:00:43,219 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:00:43,220 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:00:43,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-10-16 15:00:43,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-10-16 15:00:43,435 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 15:00:43,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:00:43,436 INFO L85 PathProgramCache]: Analyzing trace with hash -88369235, now seen corresponding path program 1 times [2022-10-16 15:00:43,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:00:43,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076688101] [2022-10-16 15:00:43,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:43,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:00:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:43,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 15:00:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:43,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 15:00:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:43,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 15:00:43,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:43,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 15:00:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:43,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 15:00:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:43,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-16 15:00:43,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:43,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 15:00:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:43,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 15:00:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:43,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 15:00:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:43,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-16 15:00:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:43,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 15:00:43,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:43,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-16 15:00:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:43,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-16 15:00:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:43,597 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-10-16 15:00:43,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:00:43,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076688101] [2022-10-16 15:00:43,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076688101] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 15:00:43,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596465163] [2022-10-16 15:00:43,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:43,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:00:43,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:00:43,599 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 15:00:43,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-10-16 15:00:43,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:43,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 15:00:43,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 15:00:43,807 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-10-16 15:00:43,807 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 15:00:43,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [596465163] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:00:43,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 15:00:43,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2022-10-16 15:00:43,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641921934] [2022-10-16 15:00:43,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:00:43,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:00:43,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:00:43,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:00:43,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-10-16 15:00:43,810 INFO L87 Difference]: Start difference. First operand 306 states and 467 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-10-16 15:00:43,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:00:43,935 INFO L93 Difference]: Finished difference Result 442 states and 689 transitions. [2022-10-16 15:00:43,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 15:00:43,936 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 125 [2022-10-16 15:00:43,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:00:43,939 INFO L225 Difference]: With dead ends: 442 [2022-10-16 15:00:43,940 INFO L226 Difference]: Without dead ends: 441 [2022-10-16 15:00:43,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-10-16 15:00:43,941 INFO L413 NwaCegarLoop]: 517 mSDtfsCounter, 184 mSDsluCounter, 1730 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 2247 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:00:43,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 2247 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:00:43,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2022-10-16 15:00:43,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 303. [2022-10-16 15:00:43,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 239 states have (on average 1.5313807531380754) internal successors, (366), 246 states have internal predecessors, (366), 48 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2022-10-16 15:00:43,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 462 transitions. [2022-10-16 15:00:43,960 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 462 transitions. Word has length 125 [2022-10-16 15:00:43,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:00:43,961 INFO L495 AbstractCegarLoop]: Abstraction has 303 states and 462 transitions. [2022-10-16 15:00:43,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-10-16 15:00:43,961 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 462 transitions. [2022-10-16 15:00:43,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-16 15:00:43,964 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:00:43,964 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:00:44,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-10-16 15:00:44,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:00:44,178 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 15:00:44,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:00:44,179 INFO L85 PathProgramCache]: Analyzing trace with hash -413981337, now seen corresponding path program 1 times [2022-10-16 15:00:44,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:00:44,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641411577] [2022-10-16 15:00:44,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:44,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:00:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:44,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 15:00:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:44,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 15:00:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:44,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 15:00:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:44,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 15:00:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:44,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 15:00:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:44,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-16 15:00:44,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:44,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 15:00:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:44,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 15:00:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:44,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 15:00:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:44,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-16 15:00:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:44,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 15:00:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:44,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-16 15:00:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:44,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-10-16 15:00:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:44,336 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-10-16 15:00:44,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:00:44,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641411577] [2022-10-16 15:00:44,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641411577] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 15:00:44,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141889192] [2022-10-16 15:00:44,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:44,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:00:44,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:00:44,338 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 15:00:44,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-10-16 15:00:44,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:44,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 15:00:44,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 15:00:44,505 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-10-16 15:00:44,505 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 15:00:44,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141889192] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:00:44,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 15:00:44,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2022-10-16 15:00:44,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26640269] [2022-10-16 15:00:44,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:00:44,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:00:44,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:00:44,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:00:44,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-10-16 15:00:44,508 INFO L87 Difference]: Start difference. First operand 303 states and 462 transitions. Second operand has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-16 15:00:44,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:00:44,550 INFO L93 Difference]: Finished difference Result 380 states and 589 transitions. [2022-10-16 15:00:44,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:00:44,550 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 126 [2022-10-16 15:00:44,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:00:44,554 INFO L225 Difference]: With dead ends: 380 [2022-10-16 15:00:44,554 INFO L226 Difference]: Without dead ends: 379 [2022-10-16 15:00:44,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-10-16 15:00:44,555 INFO L413 NwaCegarLoop]: 411 mSDtfsCounter, 113 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 1101 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:00:44,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 1101 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:00:44,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2022-10-16 15:00:44,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 300. [2022-10-16 15:00:44,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 237 states have (on average 1.5316455696202531) internal successors, (363), 243 states have internal predecessors, (363), 48 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2022-10-16 15:00:44,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 459 transitions. [2022-10-16 15:00:44,572 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 459 transitions. Word has length 126 [2022-10-16 15:00:44,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:00:44,572 INFO L495 AbstractCegarLoop]: Abstraction has 300 states and 459 transitions. [2022-10-16 15:00:44,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-16 15:00:44,573 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 459 transitions. [2022-10-16 15:00:44,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 15:00:44,576 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:00:44,576 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:00:44,611 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-10-16 15:00:44,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:00:44,791 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 15:00:44,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:00:44,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1827085263, now seen corresponding path program 1 times [2022-10-16 15:00:44,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:00:44,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044563139] [2022-10-16 15:00:44,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:44,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:00:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:44,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 15:00:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:44,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 15:00:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:44,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 15:00:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:44,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 15:00:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:44,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-16 15:00:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:44,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-10-16 15:00:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:44,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 15:00:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:44,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 15:00:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:44,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-10-16 15:00:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:44,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-10-16 15:00:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:44,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 15:00:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:44,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-16 15:00:44,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:44,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-10-16 15:00:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:44,944 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-10-16 15:00:44,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:00:44,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044563139] [2022-10-16 15:00:44,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044563139] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 15:00:44,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228555718] [2022-10-16 15:00:44,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:00:44,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:00:44,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:00:44,946 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 15:00:44,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-10-16 15:00:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:00:45,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 15:00:45,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 15:00:45,152 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-10-16 15:00:45,152 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 15:00:45,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228555718] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:00:45,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 15:00:45,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 13 [2022-10-16 15:00:45,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518427140] [2022-10-16 15:00:45,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:00:45,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 15:00:45,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:00:45,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 15:00:45,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2022-10-16 15:00:45,155 INFO L87 Difference]: Start difference. First operand 300 states and 459 transitions. Second operand has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2022-10-16 15:00:45,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:00:45,342 INFO L93 Difference]: Finished difference Result 521 states and 823 transitions. [2022-10-16 15:00:45,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 15:00:45,343 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 127 [2022-10-16 15:00:45,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:00:45,344 INFO L225 Difference]: With dead ends: 521 [2022-10-16 15:00:45,344 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 15:00:45,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2022-10-16 15:00:45,347 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 323 mSDsluCounter, 2331 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 2846 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:00:45,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 2846 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:00:45,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 15:00:45,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 15:00:45,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:00:45,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 15:00:45,349 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 127 [2022-10-16 15:00:45,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:00:45,349 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 15:00:45,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 4 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2022-10-16 15:00:45,349 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 15:00:45,349 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 15:00:45,352 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-10-16 15:00:45,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-10-16 15:00:45,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-10-16 15:00:45,353 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-10-16 15:00:45,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-10-16 15:00:45,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-10-16 15:00:45,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location add_history_typeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-10-16 15:00:45,354 INFO L805 garLoopResultBuilder]: Registering result SAFE for location add_history_typeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-10-16 15:00:45,396 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-10-16 15:00:45,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 15:00:45,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-16 15:00:45,981 INFO L902 garLoopResultBuilder]: At program point L119(line 119) the Hoare annotation is: true [2022-10-16 15:00:45,981 INFO L899 garLoopResultBuilder]: For program point L119-1(line 119) no Hoare annotation was computed. [2022-10-16 15:00:45,981 INFO L899 garLoopResultBuilder]: For program point read_history_int8FINAL(lines 104 123) no Hoare annotation was computed. [2022-10-16 15:00:45,981 INFO L899 garLoopResultBuilder]: For program point L113(lines 113 117) no Hoare annotation was computed. [2022-10-16 15:00:45,982 INFO L899 garLoopResultBuilder]: For program point L110(lines 110 117) no Hoare annotation was computed. [2022-10-16 15:00:45,982 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 120) no Hoare annotation was computed. [2022-10-16 15:00:45,982 INFO L899 garLoopResultBuilder]: For program point read_history_int8EXIT(lines 104 123) no Hoare annotation was computed. [2022-10-16 15:00:45,982 INFO L902 garLoopResultBuilder]: At program point read_history_int8ENTRY(lines 104 123) the Hoare annotation is: true [2022-10-16 15:00:45,982 INFO L895 garLoopResultBuilder]: At program point L159(line 159) the Hoare annotation is: (and (<= |read_history_bool_#in~history_id| read_history_bool_~history_id) (<= |read_history_bool_#in~historyIndex| read_history_bool_~historyIndex)) [2022-10-16 15:00:45,982 INFO L899 garLoopResultBuilder]: For program point L159-1(line 159) no Hoare annotation was computed. [2022-10-16 15:00:45,983 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 157) no Hoare annotation was computed. [2022-10-16 15:00:45,983 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 160) no Hoare annotation was computed. [2022-10-16 15:00:45,983 INFO L899 garLoopResultBuilder]: For program point read_history_boolFINAL(lines 124 163) no Hoare annotation was computed. [2022-10-16 15:00:45,983 INFO L899 garLoopResultBuilder]: For program point L143(lines 143 147) no Hoare annotation was computed. [2022-10-16 15:00:45,983 INFO L899 garLoopResultBuilder]: For program point L139(lines 139 160) no Hoare annotation was computed. [2022-10-16 15:00:45,983 INFO L899 garLoopResultBuilder]: For program point read_history_boolEXIT(lines 124 163) no Hoare annotation was computed. [2022-10-16 15:00:45,983 INFO L902 garLoopResultBuilder]: At program point read_history_boolENTRY(lines 124 163) the Hoare annotation is: true [2022-10-16 15:00:45,983 INFO L899 garLoopResultBuilder]: For program point L133(lines 133 137) no Hoare annotation was computed. [2022-10-16 15:00:45,984 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 160) no Hoare annotation was computed. [2022-10-16 15:00:45,984 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 157) no Hoare annotation was computed. [2022-10-16 15:00:45,984 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2022-10-16 15:00:45,984 INFO L899 garLoopResultBuilder]: For program point L130(lines 130 137) no Hoare annotation was computed. [2022-10-16 15:00:45,984 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 526 537) no Hoare annotation was computed. [2022-10-16 15:00:45,984 INFO L902 garLoopResultBuilder]: At program point assertENTRY(lines 526 537) the Hoare annotation is: true [2022-10-16 15:00:45,984 INFO L899 garLoopResultBuilder]: For program point assertEXIT(lines 526 537) no Hoare annotation was computed. [2022-10-16 15:00:45,984 INFO L899 garLoopResultBuilder]: For program point L533(line 533) no Hoare annotation was computed. [2022-10-16 15:00:45,984 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 535) no Hoare annotation was computed. [2022-10-16 15:00:45,985 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 277) no Hoare annotation was computed. [2022-10-16 15:00:45,985 INFO L899 garLoopResultBuilder]: For program point L349(line 349) no Hoare annotation was computed. [2022-10-16 15:00:45,985 INFO L899 garLoopResultBuilder]: For program point L349-2(line 349) no Hoare annotation was computed. [2022-10-16 15:00:45,985 INFO L899 garLoopResultBuilder]: For program point L217(lines 217 219) no Hoare annotation was computed. [2022-10-16 15:00:45,985 INFO L899 garLoopResultBuilder]: For program point L366-1(line 366) no Hoare annotation was computed. [2022-10-16 15:00:45,985 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 301) no Hoare annotation was computed. [2022-10-16 15:00:45,985 INFO L899 garLoopResultBuilder]: For program point L416(lines 416 426) no Hoare annotation was computed. [2022-10-16 15:00:45,985 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-10-16 15:00:45,986 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 294) no Hoare annotation was computed. [2022-10-16 15:00:45,986 INFO L902 garLoopResultBuilder]: At program point L499(line 499) the Hoare annotation is: true [2022-10-16 15:00:45,986 INFO L899 garLoopResultBuilder]: For program point L499-1(line 499) no Hoare annotation was computed. [2022-10-16 15:00:45,986 INFO L902 garLoopResultBuilder]: At program point L367(lines 339 369) the Hoare annotation is: true [2022-10-16 15:00:45,986 INFO L902 garLoopResultBuilder]: At program point L268(line 268) the Hoare annotation is: true [2022-10-16 15:00:45,986 INFO L899 garLoopResultBuilder]: For program point L268-1(line 268) no Hoare annotation was computed. [2022-10-16 15:00:45,986 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 175) no Hoare annotation was computed. [2022-10-16 15:00:45,986 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 291) no Hoare annotation was computed. [2022-10-16 15:00:45,987 INFO L899 garLoopResultBuilder]: For program point L252(lines 252 262) no Hoare annotation was computed. [2022-10-16 15:00:45,987 INFO L902 garLoopResultBuilder]: At program point L467(line 467) the Hoare annotation is: true [2022-10-16 15:00:45,987 INFO L899 garLoopResultBuilder]: For program point L467-1(lines 444 468) no Hoare annotation was computed. [2022-10-16 15:00:45,987 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 300) no Hoare annotation was computed. [2022-10-16 15:00:45,987 INFO L899 garLoopResultBuilder]: For program point L451(lines 451 468) no Hoare annotation was computed. [2022-10-16 15:00:45,987 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 395) no Hoare annotation was computed. [2022-10-16 15:00:45,987 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 288) no Hoare annotation was computed. [2022-10-16 15:00:45,987 INFO L902 garLoopResultBuilder]: At program point L220(line 220) the Hoare annotation is: true [2022-10-16 15:00:45,987 INFO L899 garLoopResultBuilder]: For program point L220-1(line 220) no Hoare annotation was computed. [2022-10-16 15:00:45,988 INFO L902 garLoopResultBuilder]: At program point L336(lines 231 338) the Hoare annotation is: true [2022-10-16 15:00:45,988 INFO L899 garLoopResultBuilder]: For program point L303(line 303) no Hoare annotation was computed. [2022-10-16 15:00:45,988 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 456) no Hoare annotation was computed. [2022-10-16 15:00:45,988 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 426) no Hoare annotation was computed. [2022-10-16 15:00:45,988 INFO L899 garLoopResultBuilder]: For program point L221(lines 221 223) no Hoare annotation was computed. [2022-10-16 15:00:45,988 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 322) no Hoare annotation was computed. [2022-10-16 15:00:45,988 INFO L895 garLoopResultBuilder]: At program point L271(line 271) the Hoare annotation is: (and (<= |ULTIMATE.start_check_~temp_count~0#1| 0) (<= 0 |ULTIMATE.start_check_~temp_count~0#1|)) [2022-10-16 15:00:45,989 INFO L902 garLoopResultBuilder]: At program point L304-1(lines 304 322) the Hoare annotation is: true [2022-10-16 15:00:45,989 INFO L899 garLoopResultBuilder]: For program point L271-1(line 271) no Hoare annotation was computed. [2022-10-16 15:00:45,989 INFO L899 garLoopResultBuilder]: For program point L354(lines 354 364) no Hoare annotation was computed. [2022-10-16 15:00:45,989 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 262) no Hoare annotation was computed. [2022-10-16 15:00:45,989 INFO L902 garLoopResultBuilder]: At program point L470(lines 432 472) the Hoare annotation is: true [2022-10-16 15:00:45,989 INFO L902 garLoopResultBuilder]: At program point L305(line 305) the Hoare annotation is: true [2022-10-16 15:00:45,989 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 274) no Hoare annotation was computed. [2022-10-16 15:00:45,990 INFO L899 garLoopResultBuilder]: For program point L305-1(line 305) no Hoare annotation was computed. [2022-10-16 15:00:45,990 INFO L895 garLoopResultBuilder]: At program point L272-2(lines 272 274) the Hoare annotation is: (or (and (<= |ULTIMATE.start_check_~temp_count~0#1| 0) (<= 0 |ULTIMATE.start_check_~temp_count~0#1|)) (and (<= 1 |ULTIMATE.start_check_~temp_count~0#1|) (<= |ULTIMATE.start_check_~temp_count~0#1| 1))) [2022-10-16 15:00:45,990 INFO L902 garLoopResultBuilder]: At program point L520(line 520) the Hoare annotation is: true [2022-10-16 15:00:45,990 INFO L902 garLoopResultBuilder]: At program point L520-1(lines 507 522) the Hoare annotation is: true [2022-10-16 15:00:45,990 INFO L899 garLoopResultBuilder]: For program point L388(lines 388 395) no Hoare annotation was computed. [2022-10-16 15:00:45,990 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-10-16 15:00:45,990 INFO L899 garLoopResultBuilder]: For program point L306(lines 306 321) no Hoare annotation was computed. [2022-10-16 15:00:45,991 INFO L899 garLoopResultBuilder]: For program point L273(line 273) no Hoare annotation was computed. [2022-10-16 15:00:45,991 INFO L899 garLoopResultBuilder]: For program point L273-1(line 273) no Hoare annotation was computed. [2022-10-16 15:00:45,991 INFO L902 garLoopResultBuilder]: At program point L174(line 174) the Hoare annotation is: true [2022-10-16 15:00:45,991 INFO L902 garLoopResultBuilder]: At program point L174-1(lines 164 178) the Hoare annotation is: true [2022-10-16 15:00:45,991 INFO L899 garLoopResultBuilder]: For program point L422(lines 422 426) no Hoare annotation was computed. [2022-10-16 15:00:45,991 INFO L902 garLoopResultBuilder]: At program point L422-2(lines 416 426) the Hoare annotation is: true [2022-10-16 15:00:45,991 INFO L899 garLoopResultBuilder]: For program point L323(line 323) no Hoare annotation was computed. [2022-10-16 15:00:45,991 INFO L902 garLoopResultBuilder]: At program point L224(line 224) the Hoare annotation is: true [2022-10-16 15:00:45,992 INFO L899 garLoopResultBuilder]: For program point L224-1(line 224) no Hoare annotation was computed. [2022-10-16 15:00:45,992 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 277) no Hoare annotation was computed. [2022-10-16 15:00:45,992 INFO L902 garLoopResultBuilder]: At program point L307(line 307) the Hoare annotation is: true [2022-10-16 15:00:45,992 INFO L899 garLoopResultBuilder]: For program point L307-1(line 307) no Hoare annotation was computed. [2022-10-16 15:00:45,992 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 364) no Hoare annotation was computed. [2022-10-16 15:00:45,992 INFO L899 garLoopResultBuilder]: For program point L324(lines 324 335) no Hoare annotation was computed. [2022-10-16 15:00:45,992 INFO L899 garLoopResultBuilder]: For program point L324-1(lines 324 335) no Hoare annotation was computed. [2022-10-16 15:00:45,993 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 262) no Hoare annotation was computed. [2022-10-16 15:00:45,993 INFO L899 garLoopResultBuilder]: For program point L225(lines 225 227) no Hoare annotation was computed. [2022-10-16 15:00:45,993 INFO L902 garLoopResultBuilder]: At program point L258-2(lines 252 262) the Hoare annotation is: true [2022-10-16 15:00:45,993 INFO L899 garLoopResultBuilder]: For program point L308(lines 308 320) no Hoare annotation was computed. [2022-10-16 15:00:45,993 INFO L899 garLoopResultBuilder]: For program point L275(line 275) no Hoare annotation was computed. [2022-10-16 15:00:45,993 INFO L899 garLoopResultBuilder]: For program point L391(lines 391 395) no Hoare annotation was computed. [2022-10-16 15:00:45,993 INFO L902 garLoopResultBuilder]: At program point L391-2(lines 385 395) the Hoare annotation is: true [2022-10-16 15:00:45,993 INFO L902 garLoopResultBuilder]: At program point L325(line 325) the Hoare annotation is: true [2022-10-16 15:00:45,994 INFO L899 garLoopResultBuilder]: For program point L325-1(line 325) no Hoare annotation was computed. [2022-10-16 15:00:45,994 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 273) no Hoare annotation was computed. [2022-10-16 15:00:45,994 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-10-16 15:00:45,994 INFO L899 garLoopResultBuilder]: For program point L507-2(lines 507 522) no Hoare annotation was computed. [2022-10-16 15:00:45,994 INFO L902 garLoopResultBuilder]: At program point L309(line 309) the Hoare annotation is: true [2022-10-16 15:00:45,994 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 278) no Hoare annotation was computed. [2022-10-16 15:00:45,994 INFO L899 garLoopResultBuilder]: For program point L309-1(line 309) no Hoare annotation was computed. [2022-10-16 15:00:45,995 INFO L895 garLoopResultBuilder]: At program point L276-2(lines 276 278) the Hoare annotation is: (and (<= |ULTIMATE.start_check_~temp_count~0#1| 2) (<= 0 (+ |ULTIMATE.start_check_~temp_count~0#1| 2147483648))) [2022-10-16 15:00:45,995 INFO L895 garLoopResultBuilder]: At program point L524(lines 473 525) the Hoare annotation is: false [2022-10-16 15:00:45,995 INFO L899 garLoopResultBuilder]: For program point L458(lines 458 468) no Hoare annotation was computed. [2022-10-16 15:00:45,995 INFO L899 garLoopResultBuilder]: For program point L326(lines 326 334) no Hoare annotation was computed. [2022-10-16 15:00:45,995 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 273) no Hoare annotation was computed. [2022-10-16 15:00:45,995 INFO L902 garLoopResultBuilder]: At program point L409(line 409) the Hoare annotation is: true [2022-10-16 15:00:45,995 INFO L899 garLoopResultBuilder]: For program point L409-1(lines 407 430) no Hoare annotation was computed. [2022-10-16 15:00:45,996 INFO L899 garLoopResultBuilder]: For program point L310(lines 310 317) no Hoare annotation was computed. [2022-10-16 15:00:45,996 INFO L899 garLoopResultBuilder]: For program point L277(line 277) no Hoare annotation was computed. [2022-10-16 15:00:45,996 INFO L899 garLoopResultBuilder]: For program point L277-1(line 277) no Hoare annotation was computed. [2022-10-16 15:00:45,996 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 364) no Hoare annotation was computed. [2022-10-16 15:00:45,996 INFO L902 garLoopResultBuilder]: At program point L327(line 327) the Hoare annotation is: true [2022-10-16 15:00:45,996 INFO L902 garLoopResultBuilder]: At program point L360-2(lines 354 364) the Hoare annotation is: true [2022-10-16 15:00:45,996 INFO L899 garLoopResultBuilder]: For program point L327-1(line 327) no Hoare annotation was computed. [2022-10-16 15:00:45,997 INFO L902 garLoopResultBuilder]: At program point L228(lines 204 230) the Hoare annotation is: true [2022-10-16 15:00:45,997 INFO L902 garLoopResultBuilder]: At program point L311(line 311) the Hoare annotation is: true [2022-10-16 15:00:45,997 INFO L899 garLoopResultBuilder]: For program point L311-1(line 311) no Hoare annotation was computed. [2022-10-16 15:00:45,997 INFO L902 garLoopResultBuilder]: At program point L212(line 212) the Hoare annotation is: true [2022-10-16 15:00:45,997 INFO L899 garLoopResultBuilder]: For program point L212-1(line 212) no Hoare annotation was computed. [2022-10-16 15:00:45,997 INFO L899 garLoopResultBuilder]: For program point L427(lines 407 430) no Hoare annotation was computed. [2022-10-16 15:00:45,997 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 333) no Hoare annotation was computed. [2022-10-16 15:00:45,998 INFO L899 garLoopResultBuilder]: For program point L444(lines 444 468) no Hoare annotation was computed. [2022-10-16 15:00:45,998 INFO L899 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2022-10-16 15:00:45,998 INFO L902 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2022-10-16 15:00:45,998 INFO L899 garLoopResultBuilder]: For program point L378-1(lines 376 399) no Hoare annotation was computed. [2022-10-16 15:00:45,998 INFO L899 garLoopResultBuilder]: For program point L411-2(line 411) no Hoare annotation was computed. [2022-10-16 15:00:45,998 INFO L899 garLoopResultBuilder]: For program point L312(lines 312 314) no Hoare annotation was computed. [2022-10-16 15:00:45,998 INFO L899 garLoopResultBuilder]: For program point L279(line 279) no Hoare annotation was computed. [2022-10-16 15:00:45,998 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 215) no Hoare annotation was computed. [2022-10-16 15:00:45,999 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 468) no Hoare annotation was computed. [2022-10-16 15:00:45,999 INFO L899 garLoopResultBuilder]: For program point L428-1(line 428) no Hoare annotation was computed. [2022-10-16 15:00:45,999 INFO L902 garLoopResultBuilder]: At program point L329(line 329) the Hoare annotation is: true [2022-10-16 15:00:45,999 INFO L895 garLoopResultBuilder]: At program point L296(lines 283 299) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_check_~temp_count~0#1| 2147483648)) [2022-10-16 15:00:45,999 INFO L899 garLoopResultBuilder]: For program point L329-1(line 329) no Hoare annotation was computed. [2022-10-16 15:00:45,999 INFO L902 garLoopResultBuilder]: At program point L263(line 263) the Hoare annotation is: true [2022-10-16 15:00:45,999 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-10-16 15:00:46,000 INFO L899 garLoopResultBuilder]: For program point L445(lines 445 449) no Hoare annotation was computed. [2022-10-16 15:00:46,000 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 281) no Hoare annotation was computed. [2022-10-16 15:00:46,000 INFO L899 garLoopResultBuilder]: For program point L280(lines 280 282) no Hoare annotation was computed. [2022-10-16 15:00:46,000 INFO L899 garLoopResultBuilder]: For program point L280-2(lines 269 300) no Hoare annotation was computed. [2022-10-16 15:00:46,000 INFO L902 garLoopResultBuilder]: At program point L429(lines 401 431) the Hoare annotation is: true [2022-10-16 15:00:46,000 INFO L899 garLoopResultBuilder]: For program point L396(lines 376 399) no Hoare annotation was computed. [2022-10-16 15:00:46,000 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 332) no Hoare annotation was computed. [2022-10-16 15:00:46,000 INFO L899 garLoopResultBuilder]: For program point L264(line 264) no Hoare annotation was computed. [2022-10-16 15:00:46,001 INFO L899 garLoopResultBuilder]: For program point L380(line 380) no Hoare annotation was computed. [2022-10-16 15:00:46,001 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 281) no Hoare annotation was computed. [2022-10-16 15:00:46,001 INFO L902 garLoopResultBuilder]: At program point L347(line 347) the Hoare annotation is: true [2022-10-16 15:00:46,001 INFO L899 garLoopResultBuilder]: For program point L347-1(lines 345 368) no Hoare annotation was computed. [2022-10-16 15:00:46,001 INFO L899 garLoopResultBuilder]: For program point L380-2(line 380) no Hoare annotation was computed. [2022-10-16 15:00:46,001 INFO L899 garLoopResultBuilder]: For program point L281(line 281) no Hoare annotation was computed. [2022-10-16 15:00:46,001 INFO L899 garLoopResultBuilder]: For program point L281-1(line 281) no Hoare annotation was computed. [2022-10-16 15:00:46,001 INFO L899 garLoopResultBuilder]: For program point L397-1(line 397) no Hoare annotation was computed. [2022-10-16 15:00:46,002 INFO L899 garLoopResultBuilder]: For program point L265(lines 265 302) no Hoare annotation was computed. [2022-10-16 15:00:46,002 INFO L902 garLoopResultBuilder]: At program point L265-1(lines 265 302) the Hoare annotation is: true [2022-10-16 15:00:46,002 INFO L902 garLoopResultBuilder]: At program point L216(line 216) the Hoare annotation is: true [2022-10-16 15:00:46,002 INFO L899 garLoopResultBuilder]: For program point L216-1(line 216) no Hoare annotation was computed. [2022-10-16 15:00:46,002 INFO L899 garLoopResultBuilder]: For program point L464(lines 464 468) no Hoare annotation was computed. [2022-10-16 15:00:46,002 INFO L902 garLoopResultBuilder]: At program point L398(lines 370 400) the Hoare annotation is: true [2022-10-16 15:00:46,002 INFO L899 garLoopResultBuilder]: For program point L365(lines 345 368) no Hoare annotation was computed. [2022-10-16 15:00:46,002 INFO L902 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: true [2022-10-16 15:00:46,002 INFO L899 garLoopResultBuilder]: For program point L266-1(line 266) no Hoare annotation was computed. [2022-10-16 15:00:46,003 INFO L899 garLoopResultBuilder]: For program point L93(lines 93 98) no Hoare annotation was computed. [2022-10-16 15:00:46,003 INFO L899 garLoopResultBuilder]: For program point L93-2(lines 75 98) no Hoare annotation was computed. [2022-10-16 15:00:46,003 INFO L899 garLoopResultBuilder]: For program point L89(lines 89 91) no Hoare annotation was computed. [2022-10-16 15:00:46,003 INFO L899 garLoopResultBuilder]: For program point L81(lines 81 98) no Hoare annotation was computed. [2022-10-16 15:00:46,003 INFO L899 garLoopResultBuilder]: For program point L77(lines 77 79) no Hoare annotation was computed. [2022-10-16 15:00:46,003 INFO L899 garLoopResultBuilder]: For program point add_history_typeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 99) no Hoare annotation was computed. [2022-10-16 15:00:46,003 INFO L895 garLoopResultBuilder]: At program point L94(line 94) the Hoare annotation is: (and (not (= |add_history_type_#in~history_id| 0)) (or (= add_history_type_~var~0 0) (and (<= add_history_type_~var~0 2) (<= 1 add_history_type_~var~0)))) [2022-10-16 15:00:46,004 INFO L899 garLoopResultBuilder]: For program point L94-1(line 94) no Hoare annotation was computed. [2022-10-16 15:00:46,004 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: (and (not (= |add_history_type_#in~history_id| 0)) (or (= add_history_type_~var~0 0) (and (<= add_history_type_~var~0 2) (<= 1 add_history_type_~var~0)))) [2022-10-16 15:00:46,004 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2022-10-16 15:00:46,004 INFO L895 garLoopResultBuilder]: At program point L74-2(lines 74 100) the Hoare annotation is: (and (or (not (= |add_history_type_#in~history_id| 0)) (= add_history_type_~history_id 0)) (or (= add_history_type_~var~0 0) (<= 1 add_history_type_~var~0))) [2022-10-16 15:00:46,004 INFO L899 garLoopResultBuilder]: For program point L74-3(lines 74 100) no Hoare annotation was computed. [2022-10-16 15:00:46,004 INFO L899 garLoopResultBuilder]: For program point L99(line 99) no Hoare annotation was computed. [2022-10-16 15:00:46,004 INFO L899 garLoopResultBuilder]: For program point L99-1(line 99) no Hoare annotation was computed. [2022-10-16 15:00:46,004 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 97) no Hoare annotation was computed. [2022-10-16 15:00:46,005 INFO L899 garLoopResultBuilder]: For program point L87(lines 87 98) no Hoare annotation was computed. [2022-10-16 15:00:46,005 INFO L899 garLoopResultBuilder]: For program point L83(lines 83 85) no Hoare annotation was computed. [2022-10-16 15:00:46,005 INFO L899 garLoopResultBuilder]: For program point add_history_typeEXIT(lines 60 103) no Hoare annotation was computed. [2022-10-16 15:00:46,005 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 98) no Hoare annotation was computed. [2022-10-16 15:00:46,005 INFO L895 garLoopResultBuilder]: At program point L88(line 88) the Hoare annotation is: (and (not (= |add_history_type_#in~history_id| 0)) (or (= add_history_type_~var~0 0) (and (<= add_history_type_~var~0 2) (<= 1 add_history_type_~var~0)))) [2022-10-16 15:00:46,005 INFO L899 garLoopResultBuilder]: For program point L88-1(line 88) no Hoare annotation was computed. [2022-10-16 15:00:46,005 INFO L902 garLoopResultBuilder]: At program point add_history_typeENTRY(lines 60 103) the Hoare annotation is: true [2022-10-16 15:00:46,006 INFO L895 garLoopResultBuilder]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (= add_history_type_~history_id 0))) (or (and (= add_history_type_~var~0 0) .cse0) (and (<= add_history_type_~var~0 2) .cse0 (<= 1 add_history_type_~var~0)))) [2022-10-16 15:00:46,006 INFO L899 garLoopResultBuilder]: For program point L76-1(line 76) no Hoare annotation was computed. [2022-10-16 15:00:46,006 INFO L899 garLoopResultBuilder]: For program point add_history_typeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 99) no Hoare annotation was computed. [2022-10-16 15:00:46,006 INFO L899 garLoopResultBuilder]: For program point add_history_typeFINAL(lines 60 103) no Hoare annotation was computed. [2022-10-16 15:00:46,006 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 36 38) the Hoare annotation is: true [2022-10-16 15:00:46,006 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-10-16 15:00:46,006 INFO L899 garLoopResultBuilder]: For program point L37-2(lines 36 38) no Hoare annotation was computed. [2022-10-16 15:00:46,006 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 36 38) no Hoare annotation was computed. [2022-10-16 15:00:46,007 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 200) no Hoare annotation was computed. [2022-10-16 15:00:46,007 INFO L899 garLoopResultBuilder]: For program point write_history_boolEXIT(lines 179 203) no Hoare annotation was computed. [2022-10-16 15:00:46,007 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 200) no Hoare annotation was computed. [2022-10-16 15:00:46,007 INFO L902 garLoopResultBuilder]: At program point write_history_boolENTRY(lines 179 203) the Hoare annotation is: true [2022-10-16 15:00:46,007 INFO L895 garLoopResultBuilder]: At program point L199(line 199) the Hoare annotation is: (<= |write_history_bool_#in~history_id| write_history_bool_~history_id) [2022-10-16 15:00:46,007 INFO L899 garLoopResultBuilder]: For program point L199-1(lines 179 203) no Hoare annotation was computed. [2022-10-16 15:00:46,007 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 200) no Hoare annotation was computed. [2022-10-16 15:00:46,011 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:00:46,014 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-16 15:00:46,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 03:00:46 BoogieIcfgContainer [2022-10-16 15:00:46,031 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-16 15:00:46,032 INFO L158 Benchmark]: Toolchain (without parser) took 17435.20ms. Allocated memory was 163.6MB in the beginning and 253.8MB in the end (delta: 90.2MB). Free memory was 137.1MB in the beginning and 110.1MB in the end (delta: 27.0MB). Peak memory consumption was 117.8MB. Max. memory is 8.0GB. [2022-10-16 15:00:46,032 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 163.6MB. Free memory is still 134.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 15:00:46,032 INFO L158 Benchmark]: CACSL2BoogieTranslator took 636.94ms. Allocated memory is still 163.6MB. Free memory was 136.9MB in the beginning and 121.5MB in the end (delta: 15.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-10-16 15:00:46,032 INFO L158 Benchmark]: Boogie Procedure Inliner took 133.91ms. Allocated memory is still 163.6MB. Free memory was 121.3MB in the beginning and 118.6MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-10-16 15:00:46,033 INFO L158 Benchmark]: Boogie Preprocessor took 111.86ms. Allocated memory is still 163.6MB. Free memory was 118.6MB in the beginning and 116.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-10-16 15:00:46,033 INFO L158 Benchmark]: RCFGBuilder took 1218.50ms. Allocated memory is still 163.6MB. Free memory was 116.1MB in the beginning and 119.5MB in the end (delta: -3.5MB). Peak memory consumption was 11.8MB. Max. memory is 8.0GB. [2022-10-16 15:00:46,034 INFO L158 Benchmark]: TraceAbstraction took 15313.45ms. Allocated memory was 163.6MB in the beginning and 253.8MB in the end (delta: 90.2MB). Free memory was 119.0MB in the beginning and 110.1MB in the end (delta: 8.9MB). Peak memory consumption was 98.6MB. Max. memory is 8.0GB. [2022-10-16 15:00:46,035 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 163.6MB. Free memory is still 134.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 636.94ms. Allocated memory is still 163.6MB. Free memory was 136.9MB in the beginning and 121.5MB in the end (delta: 15.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 133.91ms. Allocated memory is still 163.6MB. Free memory was 121.3MB in the beginning and 118.6MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 111.86ms. Allocated memory is still 163.6MB. Free memory was 118.6MB in the beginning and 116.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1218.50ms. Allocated memory is still 163.6MB. Free memory was 116.1MB in the beginning and 119.5MB in the end (delta: -3.5MB). Peak memory consumption was 11.8MB. Max. memory is 8.0GB. * TraceAbstraction took 15313.45ms. Allocated memory was 163.6MB in the beginning and 253.8MB in the end (delta: 90.2MB). Free memory was 119.0MB in the beginning and 110.1MB in the end (delta: 8.9MB). Peak memory consumption was 98.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 273]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 273]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 277]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 277]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 281]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 281]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 99]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 201 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 15.2s, OverallIterations: 21, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2450 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2160 mSDsluCounter, 26397 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18405 mSDsCounter, 133 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 966 IncrementalHoareTripleChecker+Invalid, 1099 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 133 mSolverCounterUnsat, 7992 mSDtfsCounter, 966 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2508 GetRequests, 2331 SyntacticMatches, 0 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=306occurred in iteration=18, InterpolantAutomatonStates: 116, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 21 MinimizatonAttempts, 1109 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 797 PreInvPairs, 933 NumberOfFragments, 171 HoareAnnotationTreeSize, 797 FomulaSimplifications, 2829 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 54 FomulaSimplificationsInter, 208 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 3996 NumberOfCodeBlocks, 3996 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 3957 ConstructedInterpolants, 0 QuantifiedInterpolants, 5902 SizeOfPredicates, 25 NumberOfNonLiveVariables, 9455 ConjunctsInSsa, 69 ConjunctsInUnsatCore, 39 InterpolantComputations, 21 PerfectInterpolantSequences, 1701/1760 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 473]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: 0 <= temp_count + 2147483648 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 370]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: (!(\old(history_id) == 0) || history_id == 0) && (var == 0 || 1 <= var) RESULT: Ultimate proved your program to be correct! [2022-10-16 15:00:46,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...