/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:36:05,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:36:05,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:36:05,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-09-16 10:36:05,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:36:05,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:36:05,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:36:05,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:36:05,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:36:05,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:36:05,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:36:05,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:36:05,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:36:05,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:36:05,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:36:05,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:36:05,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:36:05,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:36:05,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:36:05,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:36:05,821 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-09-16 10:36:05,859 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:36:05,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:36:05,860 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:36:05,860 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:36:05,861 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:36:05,861 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:36:05,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:36:05,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:36:05,862 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:36:05,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:36:05,863 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:36:05,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:36:05,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:36:05,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:36:05,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:36:05,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:36:05,864 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:36:05,864 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:36:05,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:36:05,864 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:36:05,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:36:05,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:36:05,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:36:05,866 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:36:05,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:36:05,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:36:05,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:36:05,866 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:36:05,867 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:36:05,867 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:36:05,867 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:36:05,867 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:36:05,867 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:36:05,867 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:36:06,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:36:06,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:36:06,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:36:06,097 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:36:06,098 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:36:06,099 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2022-09-16 10:36:06,152 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c2ba61e0/b2be029884404e9381d01e4678c29bac/FLAG9da0de542 [2022-09-16 10:36:06,674 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:36:06,675 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i [2022-09-16 10:36:06,698 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c2ba61e0/b2be029884404e9381d01e4678c29bac/FLAG9da0de542 [2022-09-16 10:36:07,180 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c2ba61e0/b2be029884404e9381d01e4678c29bac [2022-09-16 10:36:07,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:36:07,183 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:36:07,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:36:07,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:36:07,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:36:07,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:36:07" (1/1) ... [2022-09-16 10:36:07,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72bda2ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:07, skipping insertion in model container [2022-09-16 10:36:07,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:36:07" (1/1) ... [2022-09-16 10:36:07,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:36:07,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:36:07,925 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i[76077,76090] [2022-09-16 10:36:07,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:36:07,980 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:36:08,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_1-container_of.i[76077,76090] [2022-09-16 10:36:08,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:36:08,127 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:36:08,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:08 WrapperNode [2022-09-16 10:36:08,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:36:08,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:36:08,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:36:08,129 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:36:08,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:08" (1/1) ... [2022-09-16 10:36:08,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:08" (1/1) ... [2022-09-16 10:36:08,181 INFO L138 Inliner]: procedures = 482, calls = 46, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 133 [2022-09-16 10:36:08,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:36:08,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:36:08,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:36:08,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:36:08,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:08" (1/1) ... [2022-09-16 10:36:08,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:08" (1/1) ... [2022-09-16 10:36:08,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:08" (1/1) ... [2022-09-16 10:36:08,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:08" (1/1) ... [2022-09-16 10:36:08,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:08" (1/1) ... [2022-09-16 10:36:08,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:08" (1/1) ... [2022-09-16 10:36:08,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:08" (1/1) ... [2022-09-16 10:36:08,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:36:08,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:36:08,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:36:08,218 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:36:08,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:08" (1/1) ... [2022-09-16 10:36:08,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:36:08,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:36:08,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-09-16 10:36:08,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-09-16 10:36:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:36:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-16 10:36:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-09-16 10:36:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:36:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-09-16 10:36:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:36:08,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:36:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-09-16 10:36:08,281 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-09-16 10:36:08,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:36:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:36:08,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:36:08,283 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-16 10:36:08,608 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:36:08,610 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:36:08,854 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:36:08,863 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:36:08,863 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:36:08,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:36:08 BoogieIcfgContainer [2022-09-16 10:36:08,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:36:08,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:36:08,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:36:08,871 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:36:08,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:36:07" (1/3) ... [2022-09-16 10:36:08,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@784dedce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:36:08, skipping insertion in model container [2022-09-16 10:36:08,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:08" (2/3) ... [2022-09-16 10:36:08,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@784dedce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:36:08, skipping insertion in model container [2022-09-16 10:36:08,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:36:08" (3/3) ... [2022-09-16 10:36:08,873 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_1-container_of.i [2022-09-16 10:36:08,881 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:36:08,887 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:36:08,888 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-09-16 10:36:08,888 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:36:08,960 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-09-16 10:36:08,993 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 195 places, 197 transitions, 410 flow [2022-09-16 10:36:09,628 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 15520 states, 15504 states have (on average 2.888222394220846) internal successors, (44779), 15519 states have internal predecessors, (44779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:09,655 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:36:09,660 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;@249d14b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:36:09,661 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-09-16 10:36:09,723 INFO L276 IsEmpty]: Start isEmpty. Operand has 15520 states, 15504 states have (on average 2.888222394220846) internal successors, (44779), 15519 states have internal predecessors, (44779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:09,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-09-16 10:36:09,739 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:09,740 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:09,741 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:09,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:09,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1371300828, now seen corresponding path program 1 times [2022-09-16 10:36:09,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:09,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035221645] [2022-09-16 10:36:09,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:09,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:10,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:10,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:10,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035221645] [2022-09-16 10:36:10,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035221645] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:10,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:10,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-09-16 10:36:10,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143614452] [2022-09-16 10:36:10,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:10,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-09-16 10:36:10,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:10,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-09-16 10:36:10,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-09-16 10:36:10,895 INFO L87 Difference]: Start difference. First operand has 15520 states, 15504 states have (on average 2.888222394220846) internal successors, (44779), 15519 states have internal predecessors, (44779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 16 states, 15 states have (on average 4.8) internal successors, (72), 16 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:12,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:12,054 INFO L93 Difference]: Finished difference Result 17742 states and 50365 transitions. [2022-09-16 10:36:12,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-09-16 10:36:12,057 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.8) internal successors, (72), 16 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2022-09-16 10:36:12,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:12,288 INFO L225 Difference]: With dead ends: 17742 [2022-09-16 10:36:12,288 INFO L226 Difference]: Without dead ends: 17200 [2022-09-16 10:36:12,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=229, Invalid=641, Unknown=0, NotChecked=0, Total=870 [2022-09-16 10:36:12,295 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 921 mSDsluCounter, 1383 mSDsCounter, 0 mSdLazyCounter, 398 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 921 SdHoareTripleChecker+Valid, 1577 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:12,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [921 Valid, 1577 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 398 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:36:12,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17200 states. [2022-09-16 10:36:12,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17200 to 16028. [2022-09-16 10:36:12,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16028 states, 15996 states have (on average 2.8524006001500375) internal successors, (45627), 16027 states have internal predecessors, (45627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:13,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16028 states to 16028 states and 45627 transitions. [2022-09-16 10:36:13,030 INFO L78 Accepts]: Start accepts. Automaton has 16028 states and 45627 transitions. Word has length 72 [2022-09-16 10:36:13,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:13,032 INFO L495 AbstractCegarLoop]: Abstraction has 16028 states and 45627 transitions. [2022-09-16 10:36:13,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.8) internal successors, (72), 16 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:13,033 INFO L276 IsEmpty]: Start isEmpty. Operand 16028 states and 45627 transitions. [2022-09-16 10:36:13,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-09-16 10:36:13,043 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:13,043 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:13,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:36:13,044 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:13,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:13,045 INFO L85 PathProgramCache]: Analyzing trace with hash 789647059, now seen corresponding path program 1 times [2022-09-16 10:36:13,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:13,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241811107] [2022-09-16 10:36:13,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:13,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:13,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:13,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:13,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:13,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241811107] [2022-09-16 10:36:13,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241811107] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:13,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:13,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-09-16 10:36:13,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607899306] [2022-09-16 10:36:13,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:13,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:36:13,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:13,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:36:13,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:36:13,876 INFO L87 Difference]: Start difference. First operand 16028 states and 45627 transitions. Second operand has 22 states, 21 states have (on average 3.6666666666666665) internal successors, (77), 22 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:15,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:15,289 INFO L93 Difference]: Finished difference Result 17994 states and 51013 transitions. [2022-09-16 10:36:15,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-09-16 10:36:15,289 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.6666666666666665) internal successors, (77), 22 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-09-16 10:36:15,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:15,365 INFO L225 Difference]: With dead ends: 17994 [2022-09-16 10:36:15,366 INFO L226 Difference]: Without dead ends: 17454 [2022-09-16 10:36:15,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=326, Invalid=1006, Unknown=0, NotChecked=0, Total=1332 [2022-09-16 10:36:15,368 INFO L413 NwaCegarLoop]: 277 mSDtfsCounter, 1720 mSDsluCounter, 1861 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1720 SdHoareTripleChecker+Valid, 2129 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:15,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1720 Valid, 2129 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:36:15,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17454 states. [2022-09-16 10:36:15,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17454 to 15416. [2022-09-16 10:36:15,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15416 states, 15384 states have (on average 2.846788871554862) internal successors, (43795), 15415 states have internal predecessors, (43795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:15,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15416 states to 15416 states and 43795 transitions. [2022-09-16 10:36:15,977 INFO L78 Accepts]: Start accepts. Automaton has 15416 states and 43795 transitions. Word has length 77 [2022-09-16 10:36:15,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:15,978 INFO L495 AbstractCegarLoop]: Abstraction has 15416 states and 43795 transitions. [2022-09-16 10:36:15,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.6666666666666665) internal successors, (77), 22 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:15,992 INFO L276 IsEmpty]: Start isEmpty. Operand 15416 states and 43795 transitions. [2022-09-16 10:36:15,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-09-16 10:36:15,994 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:15,994 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:15,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:36:15,995 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:15,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:15,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1996303698, now seen corresponding path program 1 times [2022-09-16 10:36:15,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:15,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037245980] [2022-09-16 10:36:15,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:15,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:16,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:16,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:16,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:16,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037245980] [2022-09-16 10:36:16,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037245980] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:16,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:16,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-09-16 10:36:16,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069736493] [2022-09-16 10:36:16,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:16,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:36:16,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:16,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:36:16,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:36:16,666 INFO L87 Difference]: Start difference. First operand 15416 states and 43795 transitions. Second operand has 22 states, 21 states have (on average 3.7142857142857144) internal successors, (78), 22 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:17,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:17,950 INFO L93 Difference]: Finished difference Result 17394 states and 49200 transitions. [2022-09-16 10:36:17,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-09-16 10:36:17,952 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.7142857142857144) internal successors, (78), 22 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-09-16 10:36:17,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:18,018 INFO L225 Difference]: With dead ends: 17394 [2022-09-16 10:36:18,018 INFO L226 Difference]: Without dead ends: 16844 [2022-09-16 10:36:18,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=331, Invalid=1001, Unknown=0, NotChecked=0, Total=1332 [2022-09-16 10:36:18,024 INFO L413 NwaCegarLoop]: 267 mSDtfsCounter, 1615 mSDsluCounter, 2089 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1615 SdHoareTripleChecker+Valid, 2337 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:18,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1615 Valid, 2337 Invalid, 871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:36:18,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16844 states. [2022-09-16 10:36:18,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16844 to 15978. [2022-09-16 10:36:18,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15978 states, 15946 states have (on average 2.844914085037) internal successors, (45365), 15977 states have internal predecessors, (45365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:18,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15978 states to 15978 states and 45365 transitions. [2022-09-16 10:36:18,584 INFO L78 Accepts]: Start accepts. Automaton has 15978 states and 45365 transitions. Word has length 78 [2022-09-16 10:36:18,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:18,586 INFO L495 AbstractCegarLoop]: Abstraction has 15978 states and 45365 transitions. [2022-09-16 10:36:18,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.7142857142857144) internal successors, (78), 22 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:18,587 INFO L276 IsEmpty]: Start isEmpty. Operand 15978 states and 45365 transitions. [2022-09-16 10:36:18,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:36:18,594 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:18,594 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:18,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:36:18,595 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:18,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:18,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1404187734, now seen corresponding path program 1 times [2022-09-16 10:36:18,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:18,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687679335] [2022-09-16 10:36:18,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:18,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:19,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:19,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:19,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687679335] [2022-09-16 10:36:19,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687679335] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:19,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:19,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:36:19,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222423509] [2022-09-16 10:36:19,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:19,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:36:19,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:19,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:36:19,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:36:19,357 INFO L87 Difference]: Start difference. First operand 15978 states and 45365 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:22,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:22,592 INFO L93 Difference]: Finished difference Result 19707 states and 55545 transitions. [2022-09-16 10:36:22,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:36:22,593 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:36:22,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:22,672 INFO L225 Difference]: With dead ends: 19707 [2022-09-16 10:36:22,672 INFO L226 Difference]: Without dead ends: 19707 [2022-09-16 10:36:22,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 494 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=651, Invalid=2105, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:36:22,674 INFO L413 NwaCegarLoop]: 604 mSDtfsCounter, 1690 mSDsluCounter, 5918 mSDsCounter, 0 mSdLazyCounter, 1439 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1690 SdHoareTripleChecker+Valid, 6512 SdHoareTripleChecker+Invalid, 1470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:22,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1690 Valid, 6512 Invalid, 1470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1439 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-09-16 10:36:22,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19707 states. [2022-09-16 10:36:23,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19707 to 18762. [2022-09-16 10:36:23,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18762 states, 18724 states have (on average 2.840258491775262) internal successors, (53181), 18761 states have internal predecessors, (53181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:23,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18762 states to 18762 states and 53181 transitions. [2022-09-16 10:36:23,178 INFO L78 Accepts]: Start accepts. Automaton has 18762 states and 53181 transitions. Word has length 86 [2022-09-16 10:36:23,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:23,179 INFO L495 AbstractCegarLoop]: Abstraction has 18762 states and 53181 transitions. [2022-09-16 10:36:23,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:23,179 INFO L276 IsEmpty]: Start isEmpty. Operand 18762 states and 53181 transitions. [2022-09-16 10:36:23,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:36:23,186 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:23,186 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:23,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:36:23,186 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:23,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:23,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1622418744, now seen corresponding path program 2 times [2022-09-16 10:36:23,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:23,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987033935] [2022-09-16 10:36:23,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:23,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:23,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:23,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:23,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987033935] [2022-09-16 10:36:23,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987033935] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:23,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:23,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:36:23,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107436882] [2022-09-16 10:36:23,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:23,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:36:23,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:23,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:36:23,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:36:23,925 INFO L87 Difference]: Start difference. First operand 18762 states and 53181 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:27,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:27,213 INFO L93 Difference]: Finished difference Result 37619 states and 106205 transitions. [2022-09-16 10:36:27,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:36:27,214 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:36:27,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:27,364 INFO L225 Difference]: With dead ends: 37619 [2022-09-16 10:36:27,364 INFO L226 Difference]: Without dead ends: 37619 [2022-09-16 10:36:27,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=650, Invalid=2106, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:36:27,367 INFO L413 NwaCegarLoop]: 610 mSDtfsCounter, 2117 mSDsluCounter, 5486 mSDsCounter, 0 mSdLazyCounter, 1377 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2117 SdHoareTripleChecker+Valid, 6068 SdHoareTripleChecker+Invalid, 1388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:27,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2117 Valid, 6068 Invalid, 1388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1377 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:36:27,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37619 states. [2022-09-16 10:36:27,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37619 to 18987. [2022-09-16 10:36:27,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18987 states, 18949 states have (on average 2.8418913926856297) internal successors, (53851), 18986 states have internal predecessors, (53851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:28,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18987 states to 18987 states and 53851 transitions. [2022-09-16 10:36:28,024 INFO L78 Accepts]: Start accepts. Automaton has 18987 states and 53851 transitions. Word has length 86 [2022-09-16 10:36:28,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:28,024 INFO L495 AbstractCegarLoop]: Abstraction has 18987 states and 53851 transitions. [2022-09-16 10:36:28,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:28,025 INFO L276 IsEmpty]: Start isEmpty. Operand 18987 states and 53851 transitions. [2022-09-16 10:36:28,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:36:28,030 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:28,030 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:28,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-16 10:36:28,031 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:28,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:28,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1047373590, now seen corresponding path program 3 times [2022-09-16 10:36:28,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:28,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985491762] [2022-09-16 10:36:28,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:28,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:28,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:28,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:28,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:28,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985491762] [2022-09-16 10:36:28,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985491762] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:28,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:28,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:36:28,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824351903] [2022-09-16 10:36:28,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:28,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:36:28,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:28,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:36:28,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:36:28,584 INFO L87 Difference]: Start difference. First operand 18987 states and 53851 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:31,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:31,832 INFO L93 Difference]: Finished difference Result 32620 states and 90826 transitions. [2022-09-16 10:36:31,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:36:31,833 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:36:31,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:31,927 INFO L225 Difference]: With dead ends: 32620 [2022-09-16 10:36:31,927 INFO L226 Difference]: Without dead ends: 32620 [2022-09-16 10:36:31,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 505 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=650, Invalid=2106, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:36:31,929 INFO L413 NwaCegarLoop]: 608 mSDtfsCounter, 2166 mSDsluCounter, 5370 mSDsCounter, 0 mSdLazyCounter, 1380 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2166 SdHoareTripleChecker+Valid, 5942 SdHoareTripleChecker+Invalid, 1405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:31,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2166 Valid, 5942 Invalid, 1405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1380 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:36:31,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32620 states. [2022-09-16 10:36:32,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32620 to 19496. [2022-09-16 10:36:32,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19496 states, 19452 states have (on average 2.822383302488176) internal successors, (54901), 19495 states have internal predecessors, (54901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:32,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19496 states to 19496 states and 54901 transitions. [2022-09-16 10:36:32,537 INFO L78 Accepts]: Start accepts. Automaton has 19496 states and 54901 transitions. Word has length 86 [2022-09-16 10:36:32,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:32,537 INFO L495 AbstractCegarLoop]: Abstraction has 19496 states and 54901 transitions. [2022-09-16 10:36:32,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:32,537 INFO L276 IsEmpty]: Start isEmpty. Operand 19496 states and 54901 transitions. [2022-09-16 10:36:32,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:36:32,544 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:32,544 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:32,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-09-16 10:36:32,544 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:32,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:32,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1627670296, now seen corresponding path program 4 times [2022-09-16 10:36:32,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:32,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025898823] [2022-09-16 10:36:32,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:32,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:33,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:33,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:33,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025898823] [2022-09-16 10:36:33,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025898823] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:33,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:33,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:36:33,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929436562] [2022-09-16 10:36:33,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:33,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:36:33,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:33,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:36:33,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:36:33,116 INFO L87 Difference]: Start difference. First operand 19496 states and 54901 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:36,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:36,380 INFO L93 Difference]: Finished difference Result 33960 states and 94833 transitions. [2022-09-16 10:36:36,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:36:36,380 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:36:36,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:36,473 INFO L225 Difference]: With dead ends: 33960 [2022-09-16 10:36:36,473 INFO L226 Difference]: Without dead ends: 33960 [2022-09-16 10:36:36,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 503 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=650, Invalid=2106, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:36:36,475 INFO L413 NwaCegarLoop]: 604 mSDtfsCounter, 2002 mSDsluCounter, 5711 mSDsCounter, 0 mSdLazyCounter, 1438 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2002 SdHoareTripleChecker+Valid, 6290 SdHoareTripleChecker+Invalid, 1446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:36,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2002 Valid, 6290 Invalid, 1446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1438 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:36:36,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33960 states. [2022-09-16 10:36:37,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33960 to 19496. [2022-09-16 10:36:37,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19496 states, 19452 states have (on average 2.822383302488176) internal successors, (54901), 19495 states have internal predecessors, (54901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:37,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19496 states to 19496 states and 54901 transitions. [2022-09-16 10:36:37,106 INFO L78 Accepts]: Start accepts. Automaton has 19496 states and 54901 transitions. Word has length 86 [2022-09-16 10:36:37,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:37,106 INFO L495 AbstractCegarLoop]: Abstraction has 19496 states and 54901 transitions. [2022-09-16 10:36:37,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:37,107 INFO L276 IsEmpty]: Start isEmpty. Operand 19496 states and 54901 transitions. [2022-09-16 10:36:37,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:36:37,111 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:37,112 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:37,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-09-16 10:36:37,112 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:37,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:37,113 INFO L85 PathProgramCache]: Analyzing trace with hash -290612282, now seen corresponding path program 5 times [2022-09-16 10:36:37,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:37,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006522913] [2022-09-16 10:36:37,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:37,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:37,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:37,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:37,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:37,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006522913] [2022-09-16 10:36:37,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006522913] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:37,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:37,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:36:37,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971101274] [2022-09-16 10:36:37,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:37,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:36:37,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:37,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:36:37,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:36:37,890 INFO L87 Difference]: Start difference. First operand 19496 states and 54901 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:40,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:40,924 INFO L93 Difference]: Finished difference Result 35352 states and 98973 transitions. [2022-09-16 10:36:40,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:36:40,925 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:36:40,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:40,997 INFO L225 Difference]: With dead ends: 35352 [2022-09-16 10:36:40,998 INFO L226 Difference]: Without dead ends: 35352 [2022-09-16 10:36:40,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 502 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=650, Invalid=2106, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:36:40,999 INFO L413 NwaCegarLoop]: 603 mSDtfsCounter, 1943 mSDsluCounter, 5382 mSDsCounter, 0 mSdLazyCounter, 1364 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1943 SdHoareTripleChecker+Valid, 5968 SdHoareTripleChecker+Invalid, 1372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:40,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1943 Valid, 5968 Invalid, 1372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1364 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:36:41,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35352 states. [2022-09-16 10:36:41,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35352 to 19496. [2022-09-16 10:36:41,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19496 states, 19452 states have (on average 2.822383302488176) internal successors, (54901), 19495 states have internal predecessors, (54901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:41,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19496 states to 19496 states and 54901 transitions. [2022-09-16 10:36:41,529 INFO L78 Accepts]: Start accepts. Automaton has 19496 states and 54901 transitions. Word has length 86 [2022-09-16 10:36:41,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:41,530 INFO L495 AbstractCegarLoop]: Abstraction has 19496 states and 54901 transitions. [2022-09-16 10:36:41,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:41,530 INFO L276 IsEmpty]: Start isEmpty. Operand 19496 states and 54901 transitions. [2022-09-16 10:36:41,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:36:41,535 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:41,535 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:41,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-09-16 10:36:41,536 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:41,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:41,536 INFO L85 PathProgramCache]: Analyzing trace with hash 906734860, now seen corresponding path program 6 times [2022-09-16 10:36:41,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:41,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426846212] [2022-09-16 10:36:41,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:41,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:42,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:42,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:42,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426846212] [2022-09-16 10:36:42,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426846212] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:42,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:42,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:36:42,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3083048] [2022-09-16 10:36:42,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:42,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:36:42,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:42,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:36:42,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:36:42,111 INFO L87 Difference]: Start difference. First operand 19496 states and 54901 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:45,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:45,285 INFO L93 Difference]: Finished difference Result 27500 states and 76505 transitions. [2022-09-16 10:36:45,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:36:45,292 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:36:45,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:45,349 INFO L225 Difference]: With dead ends: 27500 [2022-09-16 10:36:45,349 INFO L226 Difference]: Without dead ends: 27500 [2022-09-16 10:36:45,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 501 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=650, Invalid=2106, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:36:45,350 INFO L413 NwaCegarLoop]: 605 mSDtfsCounter, 1958 mSDsluCounter, 5525 mSDsCounter, 0 mSdLazyCounter, 1381 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1958 SdHoareTripleChecker+Valid, 6120 SdHoareTripleChecker+Invalid, 1391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:45,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1958 Valid, 6120 Invalid, 1391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1381 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:36:45,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27500 states. [2022-09-16 10:36:45,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27500 to 19496. [2022-09-16 10:36:45,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19496 states, 19452 states have (on average 2.822383302488176) internal successors, (54901), 19495 states have internal predecessors, (54901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:45,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19496 states to 19496 states and 54901 transitions. [2022-09-16 10:36:45,741 INFO L78 Accepts]: Start accepts. Automaton has 19496 states and 54901 transitions. Word has length 86 [2022-09-16 10:36:45,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:45,741 INFO L495 AbstractCegarLoop]: Abstraction has 19496 states and 54901 transitions. [2022-09-16 10:36:45,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:45,741 INFO L276 IsEmpty]: Start isEmpty. Operand 19496 states and 54901 transitions. [2022-09-16 10:36:45,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:36:45,745 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:45,745 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:45,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-09-16 10:36:45,746 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:45,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:45,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1462862996, now seen corresponding path program 7 times [2022-09-16 10:36:45,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:45,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384976887] [2022-09-16 10:36:45,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:45,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:45,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:46,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:46,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:46,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384976887] [2022-09-16 10:36:46,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384976887] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:46,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:46,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:36:46,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009263509] [2022-09-16 10:36:46,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:46,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:36:46,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:46,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:36:46,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:36:46,399 INFO L87 Difference]: Start difference. First operand 19496 states and 54901 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:49,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:49,534 INFO L93 Difference]: Finished difference Result 58266 states and 163980 transitions. [2022-09-16 10:36:49,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:36:49,535 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:36:49,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:49,702 INFO L225 Difference]: With dead ends: 58266 [2022-09-16 10:36:49,702 INFO L226 Difference]: Without dead ends: 58266 [2022-09-16 10:36:49,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 501 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=649, Invalid=2107, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:36:49,703 INFO L413 NwaCegarLoop]: 628 mSDtfsCounter, 2389 mSDsluCounter, 5838 mSDsCounter, 0 mSdLazyCounter, 1400 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2389 SdHoareTripleChecker+Valid, 6425 SdHoareTripleChecker+Invalid, 1414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:49,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2389 Valid, 6425 Invalid, 1414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1400 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:36:49,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58266 states. [2022-09-16 10:36:50,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58266 to 19811. [2022-09-16 10:36:50,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19811 states, 19767 states have (on average 2.8248596145090303) internal successors, (55839), 19810 states have internal predecessors, (55839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:50,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19811 states to 19811 states and 55839 transitions. [2022-09-16 10:36:50,522 INFO L78 Accepts]: Start accepts. Automaton has 19811 states and 55839 transitions. Word has length 86 [2022-09-16 10:36:50,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:50,522 INFO L495 AbstractCegarLoop]: Abstraction has 19811 states and 55839 transitions. [2022-09-16 10:36:50,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:50,522 INFO L276 IsEmpty]: Start isEmpty. Operand 19811 states and 55839 transitions. [2022-09-16 10:36:50,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:36:50,526 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:50,526 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:50,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-09-16 10:36:50,526 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:50,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:50,527 INFO L85 PathProgramCache]: Analyzing trace with hash -887817842, now seen corresponding path program 8 times [2022-09-16 10:36:50,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:50,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098730560] [2022-09-16 10:36:50,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:50,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:51,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:51,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:51,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098730560] [2022-09-16 10:36:51,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098730560] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:51,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:51,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:36:51,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138520777] [2022-09-16 10:36:51,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:51,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:36:51,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:51,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:36:51,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:36:51,062 INFO L87 Difference]: Start difference. First operand 19811 states and 55839 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:54,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:54,352 INFO L93 Difference]: Finished difference Result 54195 states and 150897 transitions. [2022-09-16 10:36:54,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:36:54,353 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:36:54,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:54,497 INFO L225 Difference]: With dead ends: 54195 [2022-09-16 10:36:54,497 INFO L226 Difference]: Without dead ends: 54195 [2022-09-16 10:36:54,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 502 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=649, Invalid=2107, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:36:54,499 INFO L413 NwaCegarLoop]: 630 mSDtfsCounter, 2222 mSDsluCounter, 5427 mSDsCounter, 0 mSdLazyCounter, 1338 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2222 SdHoareTripleChecker+Valid, 6012 SdHoareTripleChecker+Invalid, 1358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:54,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2222 Valid, 6012 Invalid, 1358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1338 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-09-16 10:36:54,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54195 states. [2022-09-16 10:36:55,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54195 to 19766. [2022-09-16 10:36:55,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19766 states, 19722 states have (on average 2.824510698712098) internal successors, (55705), 19765 states have internal predecessors, (55705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:55,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19766 states to 19766 states and 55705 transitions. [2022-09-16 10:36:55,140 INFO L78 Accepts]: Start accepts. Automaton has 19766 states and 55705 transitions. Word has length 86 [2022-09-16 10:36:55,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:55,141 INFO L495 AbstractCegarLoop]: Abstraction has 19766 states and 55705 transitions. [2022-09-16 10:36:55,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:55,141 INFO L276 IsEmpty]: Start isEmpty. Operand 19766 states and 55705 transitions. [2022-09-16 10:36:55,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:36:55,144 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:55,145 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:55,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-09-16 10:36:55,145 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:55,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:55,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1468114548, now seen corresponding path program 9 times [2022-09-16 10:36:55,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:55,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366994370] [2022-09-16 10:36:55,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:55,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:55,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:55,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:55,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366994370] [2022-09-16 10:36:55,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366994370] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:55,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:55,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:36:55,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502891798] [2022-09-16 10:36:55,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:55,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:36:55,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:55,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:36:55,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:36:55,794 INFO L87 Difference]: Start difference. First operand 19766 states and 55705 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:58,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:58,719 INFO L93 Difference]: Finished difference Result 45360 states and 126620 transitions. [2022-09-16 10:36:58,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:36:58,719 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:36:58,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:58,834 INFO L225 Difference]: With dead ends: 45360 [2022-09-16 10:36:58,834 INFO L226 Difference]: Without dead ends: 45360 [2022-09-16 10:36:58,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 500 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=649, Invalid=2107, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:36:58,836 INFO L413 NwaCegarLoop]: 627 mSDtfsCounter, 2199 mSDsluCounter, 5821 mSDsCounter, 0 mSdLazyCounter, 1396 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2199 SdHoareTripleChecker+Valid, 6413 SdHoareTripleChecker+Invalid, 1410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:58,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2199 Valid, 6413 Invalid, 1410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1396 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:36:58,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45360 states. [2022-09-16 10:36:59,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45360 to 19676. [2022-09-16 10:36:59,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19676 states, 19632 states have (on average 2.8238080684596576) internal successors, (55437), 19675 states have internal predecessors, (55437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:59,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19676 states to 19676 states and 55437 transitions. [2022-09-16 10:36:59,421 INFO L78 Accepts]: Start accepts. Automaton has 19676 states and 55437 transitions. Word has length 86 [2022-09-16 10:36:59,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:59,421 INFO L495 AbstractCegarLoop]: Abstraction has 19676 states and 55437 transitions. [2022-09-16 10:36:59,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:59,421 INFO L276 IsEmpty]: Start isEmpty. Operand 19676 states and 55437 transitions. [2022-09-16 10:36:59,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:36:59,425 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:59,425 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:59,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-09-16 10:36:59,425 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:36:59,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:59,425 INFO L85 PathProgramCache]: Analyzing trace with hash 2146238734, now seen corresponding path program 10 times [2022-09-16 10:36:59,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:59,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803788473] [2022-09-16 10:36:59,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:59,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:00,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:00,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:00,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803788473] [2022-09-16 10:37:00,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803788473] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:00,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:00,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:37:00,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73199923] [2022-09-16 10:37:00,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:00,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:37:00,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:00,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:37:00,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:37:00,038 INFO L87 Difference]: Start difference. First operand 19676 states and 55437 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:03,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:03,058 INFO L93 Difference]: Finished difference Result 42116 states and 117998 transitions. [2022-09-16 10:37:03,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:37:03,059 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:37:03,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:03,155 INFO L225 Difference]: With dead ends: 42116 [2022-09-16 10:37:03,155 INFO L226 Difference]: Without dead ends: 42116 [2022-09-16 10:37:03,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 501 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=649, Invalid=2107, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:37:03,157 INFO L413 NwaCegarLoop]: 631 mSDtfsCounter, 1913 mSDsluCounter, 6020 mSDsCounter, 0 mSdLazyCounter, 1372 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1913 SdHoareTripleChecker+Valid, 6610 SdHoareTripleChecker+Invalid, 1383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:03,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1913 Valid, 6610 Invalid, 1383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1372 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:37:03,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42116 states. [2022-09-16 10:37:03,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42116 to 19766. [2022-09-16 10:37:03,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19766 states, 19722 states have (on average 2.824510698712098) internal successors, (55705), 19765 states have internal predecessors, (55705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:03,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19766 states to 19766 states and 55705 transitions. [2022-09-16 10:37:03,693 INFO L78 Accepts]: Start accepts. Automaton has 19766 states and 55705 transitions. Word has length 86 [2022-09-16 10:37:03,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:03,694 INFO L495 AbstractCegarLoop]: Abstraction has 19766 states and 55705 transitions. [2022-09-16 10:37:03,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:03,694 INFO L276 IsEmpty]: Start isEmpty. Operand 19766 states and 55705 transitions. [2022-09-16 10:37:03,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:37:03,698 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:03,698 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:03,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-09-16 10:37:03,698 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:03,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:03,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1573683408, now seen corresponding path program 11 times [2022-09-16 10:37:03,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:03,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587830122] [2022-09-16 10:37:03,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:03,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:04,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:04,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:04,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587830122] [2022-09-16 10:37:04,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587830122] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:04,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:04,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:37:04,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977086353] [2022-09-16 10:37:04,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:04,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:37:04,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:04,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:37:04,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:37:04,193 INFO L87 Difference]: Start difference. First operand 19766 states and 55705 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:07,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:07,168 INFO L93 Difference]: Finished difference Result 44344 states and 123117 transitions. [2022-09-16 10:37:07,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:37:07,169 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:37:07,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:07,285 INFO L225 Difference]: With dead ends: 44344 [2022-09-16 10:37:07,285 INFO L226 Difference]: Without dead ends: 44344 [2022-09-16 10:37:07,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 502 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=649, Invalid=2107, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:37:07,287 INFO L413 NwaCegarLoop]: 637 mSDtfsCounter, 1946 mSDsluCounter, 6004 mSDsCounter, 0 mSdLazyCounter, 1438 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1946 SdHoareTripleChecker+Valid, 6591 SdHoareTripleChecker+Invalid, 1453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:07,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1946 Valid, 6591 Invalid, 1453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1438 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:37:07,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44344 states. [2022-09-16 10:37:07,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44344 to 19721. [2022-09-16 10:37:07,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19721 states, 19677 states have (on average 2.824160187020379) internal successors, (55571), 19720 states have internal predecessors, (55571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:07,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19721 states to 19721 states and 55571 transitions. [2022-09-16 10:37:07,904 INFO L78 Accepts]: Start accepts. Automaton has 19721 states and 55571 transitions. Word has length 86 [2022-09-16 10:37:07,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:07,905 INFO L495 AbstractCegarLoop]: Abstraction has 19721 states and 55571 transitions. [2022-09-16 10:37:07,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:07,905 INFO L276 IsEmpty]: Start isEmpty. Operand 19721 states and 55571 transitions. [2022-09-16 10:37:07,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:37:07,908 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:07,908 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:07,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-09-16 10:37:07,909 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:07,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:07,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1653450060, now seen corresponding path program 12 times [2022-09-16 10:37:07,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:07,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227665365] [2022-09-16 10:37:07,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:07,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:08,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:08,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:08,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227665365] [2022-09-16 10:37:08,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227665365] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:08,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:08,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:37:08,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466264644] [2022-09-16 10:37:08,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:08,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:37:08,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:08,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:37:08,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:37:08,419 INFO L87 Difference]: Start difference. First operand 19721 states and 55571 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:11,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:11,428 INFO L93 Difference]: Finished difference Result 42447 states and 118082 transitions. [2022-09-16 10:37:11,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:37:11,428 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:37:11,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:11,663 INFO L225 Difference]: With dead ends: 42447 [2022-09-16 10:37:11,664 INFO L226 Difference]: Without dead ends: 42447 [2022-09-16 10:37:11,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 502 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=649, Invalid=2107, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:37:11,665 INFO L413 NwaCegarLoop]: 629 mSDtfsCounter, 2107 mSDsluCounter, 6035 mSDsCounter, 0 mSdLazyCounter, 1409 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2107 SdHoareTripleChecker+Valid, 6614 SdHoareTripleChecker+Invalid, 1427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:11,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2107 Valid, 6614 Invalid, 1427 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [18 Valid, 1409 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:37:11,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42447 states. [2022-09-16 10:37:12,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42447 to 19766. [2022-09-16 10:37:12,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19766 states, 19722 states have (on average 2.824510698712098) internal successors, (55705), 19765 states have internal predecessors, (55705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:12,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19766 states to 19766 states and 55705 transitions. [2022-09-16 10:37:12,153 INFO L78 Accepts]: Start accepts. Automaton has 19766 states and 55705 transitions. Word has length 86 [2022-09-16 10:37:12,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:12,154 INFO L495 AbstractCegarLoop]: Abstraction has 19766 states and 55705 transitions. [2022-09-16 10:37:12,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:12,154 INFO L276 IsEmpty]: Start isEmpty. Operand 19766 states and 55705 transitions. [2022-09-16 10:37:12,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:37:12,157 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:12,157 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:12,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-09-16 10:37:12,158 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:12,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:12,158 INFO L85 PathProgramCache]: Analyzing trace with hash -454154414, now seen corresponding path program 13 times [2022-09-16 10:37:12,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:12,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529261685] [2022-09-16 10:37:12,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:12,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:12,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:12,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:12,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529261685] [2022-09-16 10:37:12,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529261685] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:12,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:12,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-09-16 10:37:12,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817767315] [2022-09-16 10:37:12,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:12,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:37:12,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:12,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:37:12,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:37:12,652 INFO L87 Difference]: Start difference. First operand 19766 states and 55705 transitions. Second operand has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:15,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:15,834 INFO L93 Difference]: Finished difference Result 33278 states and 93187 transitions. [2022-09-16 10:37:15,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:37:15,834 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:37:15,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:15,919 INFO L225 Difference]: With dead ends: 33278 [2022-09-16 10:37:15,919 INFO L226 Difference]: Without dead ends: 33278 [2022-09-16 10:37:15,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 513 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=656, Invalid=2206, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:37:15,920 INFO L413 NwaCegarLoop]: 624 mSDtfsCounter, 1918 mSDsluCounter, 6548 mSDsCounter, 0 mSdLazyCounter, 1447 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1918 SdHoareTripleChecker+Valid, 7121 SdHoareTripleChecker+Invalid, 1470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:15,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1918 Valid, 7121 Invalid, 1470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1447 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:37:16,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33278 states. [2022-09-16 10:37:16,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33278 to 20230. [2022-09-16 10:37:16,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20230 states, 20186 states have (on average 2.82795006440107) internal successors, (57085), 20229 states have internal predecessors, (57085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:16,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20230 states to 20230 states and 57085 transitions. [2022-09-16 10:37:16,444 INFO L78 Accepts]: Start accepts. Automaton has 20230 states and 57085 transitions. Word has length 86 [2022-09-16 10:37:16,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:16,444 INFO L495 AbstractCegarLoop]: Abstraction has 20230 states and 57085 transitions. [2022-09-16 10:37:16,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:16,445 INFO L276 IsEmpty]: Start isEmpty. Operand 20230 states and 57085 transitions. [2022-09-16 10:37:16,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:37:16,448 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:16,448 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:16,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-09-16 10:37:16,449 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:16,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:16,449 INFO L85 PathProgramCache]: Analyzing trace with hash 579455598, now seen corresponding path program 14 times [2022-09-16 10:37:16,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:16,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687059053] [2022-09-16 10:37:16,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:16,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:16,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:16,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:16,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687059053] [2022-09-16 10:37:16,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687059053] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:16,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:16,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:37:16,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682227360] [2022-09-16 10:37:16,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:16,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:37:16,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:16,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:37:16,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:37:16,986 INFO L87 Difference]: Start difference. First operand 20230 states and 57085 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:20,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:20,077 INFO L93 Difference]: Finished difference Result 55162 states and 154111 transitions. [2022-09-16 10:37:20,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:37:20,077 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:37:20,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:20,228 INFO L225 Difference]: With dead ends: 55162 [2022-09-16 10:37:20,228 INFO L226 Difference]: Without dead ends: 55162 [2022-09-16 10:37:20,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 501 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=649, Invalid=2107, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:37:20,229 INFO L413 NwaCegarLoop]: 638 mSDtfsCounter, 2149 mSDsluCounter, 5557 mSDsCounter, 0 mSdLazyCounter, 1351 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2149 SdHoareTripleChecker+Valid, 6158 SdHoareTripleChecker+Invalid, 1365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:20,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2149 Valid, 6158 Invalid, 1365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1351 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:37:20,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55162 states. [2022-09-16 10:37:20,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55162 to 20410. [2022-09-16 10:37:20,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20410 states, 20366 states have (on average 2.8292742806638516) internal successors, (57621), 20409 states have internal predecessors, (57621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:20,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20410 states to 20410 states and 57621 transitions. [2022-09-16 10:37:20,942 INFO L78 Accepts]: Start accepts. Automaton has 20410 states and 57621 transitions. Word has length 86 [2022-09-16 10:37:20,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:20,943 INFO L495 AbstractCegarLoop]: Abstraction has 20410 states and 57621 transitions. [2022-09-16 10:37:20,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:20,943 INFO L276 IsEmpty]: Start isEmpty. Operand 20410 states and 57621 transitions. [2022-09-16 10:37:20,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:37:20,947 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:20,947 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:20,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-09-16 10:37:20,947 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:20,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:20,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1154500752, now seen corresponding path program 15 times [2022-09-16 10:37:20,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:20,948 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899911955] [2022-09-16 10:37:20,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:20,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:20,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:21,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:21,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:21,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899911955] [2022-09-16 10:37:21,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899911955] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:21,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:21,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:37:21,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565307908] [2022-09-16 10:37:21,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:21,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:37:21,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:21,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:37:21,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:37:21,469 INFO L87 Difference]: Start difference. First operand 20410 states and 57621 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:24,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:24,624 INFO L93 Difference]: Finished difference Result 51091 states and 141028 transitions. [2022-09-16 10:37:24,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:37:24,624 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:37:24,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:24,916 INFO L225 Difference]: With dead ends: 51091 [2022-09-16 10:37:24,917 INFO L226 Difference]: Without dead ends: 51091 [2022-09-16 10:37:24,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 502 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=649, Invalid=2107, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:37:24,918 INFO L413 NwaCegarLoop]: 640 mSDtfsCounter, 1975 mSDsluCounter, 5985 mSDsCounter, 0 mSdLazyCounter, 1516 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1975 SdHoareTripleChecker+Valid, 6575 SdHoareTripleChecker+Invalid, 1533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:24,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1975 Valid, 6575 Invalid, 1533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1516 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:37:24,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51091 states. [2022-09-16 10:37:25,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51091 to 20365. [2022-09-16 10:37:25,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20365 states, 20321 states have (on average 2.828945425914079) internal successors, (57487), 20364 states have internal predecessors, (57487), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:25,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20365 states to 20365 states and 57487 transitions. [2022-09-16 10:37:25,476 INFO L78 Accepts]: Start accepts. Automaton has 20365 states and 57487 transitions. Word has length 86 [2022-09-16 10:37:25,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:25,476 INFO L495 AbstractCegarLoop]: Abstraction has 20365 states and 57487 transitions. [2022-09-16 10:37:25,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:25,476 INFO L276 IsEmpty]: Start isEmpty. Operand 20365 states and 57487 transitions. [2022-09-16 10:37:25,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:37:25,480 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:25,480 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:25,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-09-16 10:37:25,481 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:25,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:25,481 INFO L85 PathProgramCache]: Analyzing trace with hash 574204046, now seen corresponding path program 16 times [2022-09-16 10:37:25,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:25,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016941061] [2022-09-16 10:37:25,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:25,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:26,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:26,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:26,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016941061] [2022-09-16 10:37:26,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016941061] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:26,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:26,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:37:26,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760460541] [2022-09-16 10:37:26,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:26,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:37:26,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:26,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:37:26,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:37:26,007 INFO L87 Difference]: Start difference. First operand 20365 states and 57487 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:29,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:29,202 INFO L93 Difference]: Finished difference Result 51503 states and 142739 transitions. [2022-09-16 10:37:29,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:37:29,202 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:37:29,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:29,488 INFO L225 Difference]: With dead ends: 51503 [2022-09-16 10:37:29,488 INFO L226 Difference]: Without dead ends: 51503 [2022-09-16 10:37:29,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 500 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=649, Invalid=2107, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:37:29,489 INFO L413 NwaCegarLoop]: 632 mSDtfsCounter, 2034 mSDsluCounter, 5958 mSDsCounter, 0 mSdLazyCounter, 1439 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2034 SdHoareTripleChecker+Valid, 6555 SdHoareTripleChecker+Invalid, 1450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1439 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:29,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2034 Valid, 6555 Invalid, 1450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1439 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-09-16 10:37:29,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51503 states. [2022-09-16 10:37:29,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51503 to 20275. [2022-09-16 10:37:30,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20275 states, 20231 states have (on average 2.8282833275666057) internal successors, (57219), 20274 states have internal predecessors, (57219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:30,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20275 states to 20275 states and 57219 transitions. [2022-09-16 10:37:30,058 INFO L78 Accepts]: Start accepts. Automaton has 20275 states and 57219 transitions. Word has length 86 [2022-09-16 10:37:30,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:30,059 INFO L495 AbstractCegarLoop]: Abstraction has 20275 states and 57219 transitions. [2022-09-16 10:37:30,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:30,059 INFO L276 IsEmpty]: Start isEmpty. Operand 20275 states and 57219 transitions. [2022-09-16 10:37:30,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:37:30,062 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:30,063 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:30,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-09-16 10:37:30,063 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:30,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:30,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1911262060, now seen corresponding path program 17 times [2022-09-16 10:37:30,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:30,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710753438] [2022-09-16 10:37:30,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:30,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:30,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:30,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:30,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710753438] [2022-09-16 10:37:30,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710753438] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:30,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:30,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:37:30,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978075857] [2022-09-16 10:37:30,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:30,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:37:30,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:30,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:37:30,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:37:30,738 INFO L87 Difference]: Start difference. First operand 20275 states and 57219 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:33,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:33,515 INFO L93 Difference]: Finished difference Result 39459 states and 109905 transitions. [2022-09-16 10:37:33,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:37:33,516 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:37:33,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:33,736 INFO L225 Difference]: With dead ends: 39459 [2022-09-16 10:37:33,737 INFO L226 Difference]: Without dead ends: 39459 [2022-09-16 10:37:33,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=649, Invalid=2107, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:37:33,738 INFO L413 NwaCegarLoop]: 619 mSDtfsCounter, 1946 mSDsluCounter, 5531 mSDsCounter, 0 mSdLazyCounter, 1334 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1946 SdHoareTripleChecker+Valid, 6124 SdHoareTripleChecker+Invalid, 1345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:33,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1946 Valid, 6124 Invalid, 1345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1334 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:37:33,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39459 states. [2022-09-16 10:37:34,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39459 to 20230. [2022-09-16 10:37:34,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20230 states, 20186 states have (on average 2.82795006440107) internal successors, (57085), 20229 states have internal predecessors, (57085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:34,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20230 states to 20230 states and 57085 transitions. [2022-09-16 10:37:34,166 INFO L78 Accepts]: Start accepts. Automaton has 20230 states and 57085 transitions. Word has length 86 [2022-09-16 10:37:34,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:34,166 INFO L495 AbstractCegarLoop]: Abstraction has 20230 states and 57085 transitions. [2022-09-16 10:37:34,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:34,167 INFO L276 IsEmpty]: Start isEmpty. Operand 20230 states and 57085 transitions. [2022-09-16 10:37:34,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:37:34,170 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:34,170 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:34,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-09-16 10:37:34,170 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:34,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:34,171 INFO L85 PathProgramCache]: Analyzing trace with hash -745333046, now seen corresponding path program 18 times [2022-09-16 10:37:34,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:34,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110047977] [2022-09-16 10:37:34,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:34,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:34,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:34,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:34,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110047977] [2022-09-16 10:37:34,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110047977] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:34,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:34,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:37:34,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762200463] [2022-09-16 10:37:34,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:34,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:37:34,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:34,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:37:34,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:37:34,653 INFO L87 Difference]: Start difference. First operand 20230 states and 57085 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:37,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:37,712 INFO L93 Difference]: Finished difference Result 47891 states and 132825 transitions. [2022-09-16 10:37:37,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:37:37,713 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:37:37,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:37,868 INFO L225 Difference]: With dead ends: 47891 [2022-09-16 10:37:37,869 INFO L226 Difference]: Without dead ends: 47891 [2022-09-16 10:37:37,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 501 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=649, Invalid=2107, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:37:37,871 INFO L413 NwaCegarLoop]: 635 mSDtfsCounter, 1928 mSDsluCounter, 5729 mSDsCounter, 0 mSdLazyCounter, 1394 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1928 SdHoareTripleChecker+Valid, 6327 SdHoareTripleChecker+Invalid, 1405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:37,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1928 Valid, 6327 Invalid, 1405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1394 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:37:37,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47891 states. [2022-09-16 10:37:38,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47891 to 20455. [2022-09-16 10:37:38,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20455 states, 20411 states have (on average 2.829601685365734) internal successors, (57755), 20454 states have internal predecessors, (57755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:38,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20455 states to 20455 states and 57755 transitions. [2022-09-16 10:37:38,526 INFO L78 Accepts]: Start accepts. Automaton has 20455 states and 57755 transitions. Word has length 86 [2022-09-16 10:37:38,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:38,526 INFO L495 AbstractCegarLoop]: Abstraction has 20455 states and 57755 transitions. [2022-09-16 10:37:38,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:38,527 INFO L276 IsEmpty]: Start isEmpty. Operand 20455 states and 57755 transitions. [2022-09-16 10:37:38,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:37:38,530 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:38,530 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:38,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-09-16 10:37:38,531 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:38,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:38,532 INFO L85 PathProgramCache]: Analyzing trace with hash -170287892, now seen corresponding path program 19 times [2022-09-16 10:37:38,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:38,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283821240] [2022-09-16 10:37:38,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:38,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:39,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:39,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:39,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283821240] [2022-09-16 10:37:39,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283821240] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:39,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:39,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:37:39,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2500903] [2022-09-16 10:37:39,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:39,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:37:39,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:39,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:37:39,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:37:39,017 INFO L87 Difference]: Start difference. First operand 20455 states and 57755 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:42,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:42,061 INFO L93 Difference]: Finished difference Result 43820 states and 119742 transitions. [2022-09-16 10:37:42,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:37:42,063 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:37:42,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:42,162 INFO L225 Difference]: With dead ends: 43820 [2022-09-16 10:37:42,162 INFO L226 Difference]: Without dead ends: 43820 [2022-09-16 10:37:42,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 502 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=649, Invalid=2107, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:37:42,163 INFO L413 NwaCegarLoop]: 637 mSDtfsCounter, 2200 mSDsluCounter, 5577 mSDsCounter, 0 mSdLazyCounter, 1415 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2200 SdHoareTripleChecker+Valid, 6169 SdHoareTripleChecker+Invalid, 1437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:42,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2200 Valid, 6169 Invalid, 1437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1415 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:37:42,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43820 states. [2022-09-16 10:37:42,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43820 to 20410. [2022-09-16 10:37:42,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20410 states, 20366 states have (on average 2.8292742806638516) internal successors, (57621), 20409 states have internal predecessors, (57621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:42,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20410 states to 20410 states and 57621 transitions. [2022-09-16 10:37:42,796 INFO L78 Accepts]: Start accepts. Automaton has 20410 states and 57621 transitions. Word has length 86 [2022-09-16 10:37:42,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:42,796 INFO L495 AbstractCegarLoop]: Abstraction has 20410 states and 57621 transitions. [2022-09-16 10:37:42,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:42,796 INFO L276 IsEmpty]: Start isEmpty. Operand 20410 states and 57621 transitions. [2022-09-16 10:37:42,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:37:42,800 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:42,800 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:42,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-09-16 10:37:42,800 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:42,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:42,801 INFO L85 PathProgramCache]: Analyzing trace with hash -750584598, now seen corresponding path program 20 times [2022-09-16 10:37:42,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:42,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743230123] [2022-09-16 10:37:42,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:42,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:43,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:43,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:43,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743230123] [2022-09-16 10:37:43,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743230123] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:43,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:43,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:37:43,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608519354] [2022-09-16 10:37:43,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:43,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:37:43,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:43,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:37:43,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:37:43,305 INFO L87 Difference]: Start difference. First operand 20410 states and 57621 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:46,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:46,305 INFO L93 Difference]: Finished difference Result 44232 states and 121453 transitions. [2022-09-16 10:37:46,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:37:46,306 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:37:46,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:46,405 INFO L225 Difference]: With dead ends: 44232 [2022-09-16 10:37:46,405 INFO L226 Difference]: Without dead ends: 44232 [2022-09-16 10:37:46,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 500 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=649, Invalid=2107, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:37:46,406 INFO L413 NwaCegarLoop]: 629 mSDtfsCounter, 1809 mSDsluCounter, 6124 mSDsCounter, 0 mSdLazyCounter, 1482 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1809 SdHoareTripleChecker+Valid, 6718 SdHoareTripleChecker+Invalid, 1491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:46,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1809 Valid, 6718 Invalid, 1491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1482 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:37:46,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44232 states. [2022-09-16 10:37:47,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44232 to 20320. [2022-09-16 10:37:47,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20320 states, 20276 states have (on average 2.828615111461827) internal successors, (57353), 20319 states have internal predecessors, (57353), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:47,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20320 states to 20320 states and 57353 transitions. [2022-09-16 10:37:47,094 INFO L78 Accepts]: Start accepts. Automaton has 20320 states and 57353 transitions. Word has length 86 [2022-09-16 10:37:47,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:47,094 INFO L495 AbstractCegarLoop]: Abstraction has 20320 states and 57353 transitions. [2022-09-16 10:37:47,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:47,094 INFO L276 IsEmpty]: Start isEmpty. Operand 20320 states and 57353 transitions. [2022-09-16 10:37:47,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:37:47,098 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:47,098 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:47,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-09-16 10:37:47,098 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:47,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:47,098 INFO L85 PathProgramCache]: Analyzing trace with hash 586473416, now seen corresponding path program 21 times [2022-09-16 10:37:47,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:47,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869532904] [2022-09-16 10:37:47,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:47,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:47,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:47,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:47,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869532904] [2022-09-16 10:37:47,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869532904] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:47,586 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:47,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:37:47,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914842745] [2022-09-16 10:37:47,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:47,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:37:47,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:47,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:37:47,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:37:47,587 INFO L87 Difference]: Start difference. First operand 20320 states and 57353 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:50,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:50,544 INFO L93 Difference]: Finished difference Result 45624 states and 125593 transitions. [2022-09-16 10:37:50,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:37:50,545 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:37:50,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:50,657 INFO L225 Difference]: With dead ends: 45624 [2022-09-16 10:37:50,657 INFO L226 Difference]: Without dead ends: 45624 [2022-09-16 10:37:50,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=649, Invalid=2107, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:37:50,658 INFO L413 NwaCegarLoop]: 628 mSDtfsCounter, 1800 mSDsluCounter, 5722 mSDsCounter, 0 mSdLazyCounter, 1387 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1800 SdHoareTripleChecker+Valid, 6324 SdHoareTripleChecker+Invalid, 1396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:50,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1800 Valid, 6324 Invalid, 1396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1387 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:37:50,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45624 states. [2022-09-16 10:37:51,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45624 to 20275. [2022-09-16 10:37:51,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20275 states, 20231 states have (on average 2.8282833275666057) internal successors, (57219), 20274 states have internal predecessors, (57219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:51,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20275 states to 20275 states and 57219 transitions. [2022-09-16 10:37:51,176 INFO L78 Accepts]: Start accepts. Automaton has 20275 states and 57219 transitions. Word has length 86 [2022-09-16 10:37:51,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:51,176 INFO L495 AbstractCegarLoop]: Abstraction has 20275 states and 57219 transitions. [2022-09-16 10:37:51,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:51,177 INFO L276 IsEmpty]: Start isEmpty. Operand 20275 states and 57219 transitions. [2022-09-16 10:37:51,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:37:51,180 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:51,180 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:51,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-09-16 10:37:51,180 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:51,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:51,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1783820558, now seen corresponding path program 22 times [2022-09-16 10:37:51,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:51,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37066708] [2022-09-16 10:37:51,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:51,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:51,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:51,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:51,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37066708] [2022-09-16 10:37:51,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37066708] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:51,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:51,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:37:51,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528870419] [2022-09-16 10:37:51,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:51,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:37:51,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:51,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:37:51,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:37:51,741 INFO L87 Difference]: Start difference. First operand 20275 states and 57219 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:54,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:54,526 INFO L93 Difference]: Finished difference Result 32003 states and 88118 transitions. [2022-09-16 10:37:54,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:37:54,527 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:37:54,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:54,600 INFO L225 Difference]: With dead ends: 32003 [2022-09-16 10:37:54,600 INFO L226 Difference]: Without dead ends: 32003 [2022-09-16 10:37:54,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 498 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=649, Invalid=2107, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:37:54,606 INFO L413 NwaCegarLoop]: 617 mSDtfsCounter, 1717 mSDsluCounter, 5513 mSDsCounter, 0 mSdLazyCounter, 1356 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1717 SdHoareTripleChecker+Valid, 6111 SdHoareTripleChecker+Invalid, 1365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:54,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1717 Valid, 6111 Invalid, 1365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1356 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:37:54,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32003 states. [2022-09-16 10:37:55,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32003 to 20230. [2022-09-16 10:37:55,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20230 states, 20186 states have (on average 2.82795006440107) internal successors, (57085), 20229 states have internal predecessors, (57085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:55,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20230 states to 20230 states and 57085 transitions. [2022-09-16 10:37:55,119 INFO L78 Accepts]: Start accepts. Automaton has 20230 states and 57085 transitions. Word has length 86 [2022-09-16 10:37:55,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:55,120 INFO L495 AbstractCegarLoop]: Abstraction has 20230 states and 57085 transitions. [2022-09-16 10:37:55,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:55,120 INFO L276 IsEmpty]: Start isEmpty. Operand 20230 states and 57085 transitions. [2022-09-16 10:37:55,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:37:55,124 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:55,124 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:55,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-09-16 10:37:55,124 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:55,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:55,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1879218438, now seen corresponding path program 23 times [2022-09-16 10:37:55,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:55,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157007455] [2022-09-16 10:37:55,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:55,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:55,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:55,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:55,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157007455] [2022-09-16 10:37:55,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157007455] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:55,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:55,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:37:55,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477415531] [2022-09-16 10:37:55,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:55,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:37:55,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:55,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:37:55,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:37:55,546 INFO L87 Difference]: Start difference. First operand 20230 states and 57085 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:58,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:58,657 INFO L93 Difference]: Finished difference Result 83332 states and 235083 transitions. [2022-09-16 10:37:58,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:37:58,657 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:37:58,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:58,909 INFO L225 Difference]: With dead ends: 83332 [2022-09-16 10:37:58,910 INFO L226 Difference]: Without dead ends: 83332 [2022-09-16 10:37:58,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:37:58,911 INFO L413 NwaCegarLoop]: 626 mSDtfsCounter, 2342 mSDsluCounter, 5850 mSDsCounter, 0 mSdLazyCounter, 1434 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2342 SdHoareTripleChecker+Valid, 6431 SdHoareTripleChecker+Invalid, 1448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:58,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2342 Valid, 6431 Invalid, 1448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1434 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:37:59,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83332 states. [2022-09-16 10:37:59,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83332 to 20680. [2022-09-16 10:37:59,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20680 states, 20636 states have (on average 2.831217290172514) internal successors, (58425), 20679 states have internal predecessors, (58425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:59,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20680 states to 20680 states and 58425 transitions. [2022-09-16 10:37:59,927 INFO L78 Accepts]: Start accepts. Automaton has 20680 states and 58425 transitions. Word has length 86 [2022-09-16 10:37:59,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:59,927 INFO L495 AbstractCegarLoop]: Abstraction has 20680 states and 58425 transitions. [2022-09-16 10:37:59,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:59,927 INFO L276 IsEmpty]: Start isEmpty. Operand 20680 states and 58425 transitions. [2022-09-16 10:37:59,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:37:59,931 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:59,931 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:59,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-09-16 10:37:59,931 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:59,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:59,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1840703704, now seen corresponding path program 24 times [2022-09-16 10:37:59,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:59,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234466879] [2022-09-16 10:37:59,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:59,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:00,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:00,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:00,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234466879] [2022-09-16 10:38:00,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234466879] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:00,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:00,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:38:00,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566609010] [2022-09-16 10:38:00,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:00,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:38:00,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:00,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:38:00,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:38:00,380 INFO L87 Difference]: Start difference. First operand 20680 states and 58425 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:03,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:03,531 INFO L93 Difference]: Finished difference Result 79261 states and 222000 transitions. [2022-09-16 10:38:03,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:38:03,531 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:38:03,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:03,750 INFO L225 Difference]: With dead ends: 79261 [2022-09-16 10:38:03,750 INFO L226 Difference]: Without dead ends: 79261 [2022-09-16 10:38:03,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:38:03,751 INFO L413 NwaCegarLoop]: 628 mSDtfsCounter, 2262 mSDsluCounter, 5415 mSDsCounter, 0 mSdLazyCounter, 1362 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2262 SdHoareTripleChecker+Valid, 5994 SdHoareTripleChecker+Invalid, 1380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:03,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2262 Valid, 5994 Invalid, 1380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1362 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:38:04,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79261 states. [2022-09-16 10:38:04,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79261 to 20635. [2022-09-16 10:38:04,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20635 states, 20591 states have (on average 2.830896993832257) internal successors, (58291), 20634 states have internal predecessors, (58291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:04,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20635 states to 20635 states and 58291 transitions. [2022-09-16 10:38:04,841 INFO L78 Accepts]: Start accepts. Automaton has 20635 states and 58291 transitions. Word has length 86 [2022-09-16 10:38:04,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:04,841 INFO L495 AbstractCegarLoop]: Abstraction has 20635 states and 58291 transitions. [2022-09-16 10:38:04,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:04,842 INFO L276 IsEmpty]: Start isEmpty. Operand 20635 states and 58291 transitions. [2022-09-16 10:38:04,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:38:04,845 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:04,845 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:04,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-09-16 10:38:04,845 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:04,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:04,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1873966886, now seen corresponding path program 25 times [2022-09-16 10:38:04,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:04,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085681308] [2022-09-16 10:38:04,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:04,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:05,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:05,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:05,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085681308] [2022-09-16 10:38:05,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085681308] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:05,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:05,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:38:05,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162328822] [2022-09-16 10:38:05,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:05,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:38:05,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:05,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:38:05,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:38:05,291 INFO L87 Difference]: Start difference. First operand 20635 states and 58291 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:08,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:08,435 INFO L93 Difference]: Finished difference Result 70426 states and 197723 transitions. [2022-09-16 10:38:08,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:38:08,435 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:38:08,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:08,640 INFO L225 Difference]: With dead ends: 70426 [2022-09-16 10:38:08,640 INFO L226 Difference]: Without dead ends: 70426 [2022-09-16 10:38:08,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:38:08,641 INFO L413 NwaCegarLoop]: 625 mSDtfsCounter, 2253 mSDsluCounter, 5509 mSDsCounter, 0 mSdLazyCounter, 1336 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2253 SdHoareTripleChecker+Valid, 6098 SdHoareTripleChecker+Invalid, 1352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:08,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2253 Valid, 6098 Invalid, 1352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1336 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:38:08,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70426 states. [2022-09-16 10:38:09,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70426 to 20545. [2022-09-16 10:38:09,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20545 states, 20501 states have (on average 2.83025218282035) internal successors, (58023), 20544 states have internal predecessors, (58023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:09,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20545 states to 20545 states and 58023 transitions. [2022-09-16 10:38:09,456 INFO L78 Accepts]: Start accepts. Automaton has 20545 states and 58023 transitions. Word has length 86 [2022-09-16 10:38:09,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:09,456 INFO L495 AbstractCegarLoop]: Abstraction has 20545 states and 58023 transitions. [2022-09-16 10:38:09,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:09,457 INFO L276 IsEmpty]: Start isEmpty. Operand 20545 states and 58023 transitions. [2022-09-16 10:38:09,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:38:09,460 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:09,460 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:09,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-09-16 10:38:09,460 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:09,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:09,461 INFO L85 PathProgramCache]: Analyzing trace with hash 1193352872, now seen corresponding path program 26 times [2022-09-16 10:38:09,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:09,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014545950] [2022-09-16 10:38:09,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:09,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:09,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:09,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:09,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014545950] [2022-09-16 10:38:09,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014545950] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:09,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:09,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:38:09,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898219491] [2022-09-16 10:38:09,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:09,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:38:09,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:09,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:38:09,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:38:09,896 INFO L87 Difference]: Start difference. First operand 20545 states and 58023 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:13,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:13,163 INFO L93 Difference]: Finished difference Result 69682 states and 195609 transitions. [2022-09-16 10:38:13,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:38:13,164 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:38:13,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:13,342 INFO L225 Difference]: With dead ends: 69682 [2022-09-16 10:38:13,342 INFO L226 Difference]: Without dead ends: 69682 [2022-09-16 10:38:13,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:38:13,343 INFO L413 NwaCegarLoop]: 644 mSDtfsCounter, 2159 mSDsluCounter, 6077 mSDsCounter, 0 mSdLazyCounter, 1425 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2159 SdHoareTripleChecker+Valid, 6669 SdHoareTripleChecker+Invalid, 1438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:13,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2159 Valid, 6669 Invalid, 1438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1425 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:38:13,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69682 states. [2022-09-16 10:38:14,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69682 to 20635. [2022-09-16 10:38:14,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20635 states, 20591 states have (on average 2.830896993832257) internal successors, (58291), 20634 states have internal predecessors, (58291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:14,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20635 states to 20635 states and 58291 transitions. [2022-09-16 10:38:14,159 INFO L78 Accepts]: Start accepts. Automaton has 20635 states and 58291 transitions. Word has length 86 [2022-09-16 10:38:14,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:14,159 INFO L495 AbstractCegarLoop]: Abstraction has 20635 states and 58291 transitions. [2022-09-16 10:38:14,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:14,159 INFO L276 IsEmpty]: Start isEmpty. Operand 20635 states and 58291 transitions. [2022-09-16 10:38:14,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:38:14,163 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:14,163 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:14,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-09-16 10:38:14,163 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:14,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:14,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1768398026, now seen corresponding path program 27 times [2022-09-16 10:38:14,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:14,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996400102] [2022-09-16 10:38:14,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:14,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:14,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:14,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:14,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996400102] [2022-09-16 10:38:14,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996400102] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:14,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:14,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:38:14,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745968444] [2022-09-16 10:38:14,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:14,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:38:14,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:14,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:38:14,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:38:14,616 INFO L87 Difference]: Start difference. First operand 20635 states and 58291 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:17,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:17,741 INFO L93 Difference]: Finished difference Result 71910 states and 200728 transitions. [2022-09-16 10:38:17,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:38:17,741 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:38:17,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:17,932 INFO L225 Difference]: With dead ends: 71910 [2022-09-16 10:38:17,932 INFO L226 Difference]: Without dead ends: 71910 [2022-09-16 10:38:17,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:38:17,933 INFO L413 NwaCegarLoop]: 650 mSDtfsCounter, 2238 mSDsluCounter, 6034 mSDsCounter, 0 mSdLazyCounter, 1481 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2238 SdHoareTripleChecker+Valid, 6623 SdHoareTripleChecker+Invalid, 1498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:17,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2238 Valid, 6623 Invalid, 1498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1481 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:38:18,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71910 states. [2022-09-16 10:38:18,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71910 to 20590. [2022-09-16 10:38:18,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20590 states, 20546 states have (on average 2.830575294461209) internal successors, (58157), 20589 states have internal predecessors, (58157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:18,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20590 states to 20590 states and 58157 transitions. [2022-09-16 10:38:18,748 INFO L78 Accepts]: Start accepts. Automaton has 20590 states and 58157 transitions. Word has length 86 [2022-09-16 10:38:18,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:18,748 INFO L495 AbstractCegarLoop]: Abstraction has 20590 states and 58157 transitions. [2022-09-16 10:38:18,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:18,749 INFO L276 IsEmpty]: Start isEmpty. Operand 20590 states and 58157 transitions. [2022-09-16 10:38:18,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:38:18,753 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:18,753 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:18,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-09-16 10:38:18,753 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:18,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:18,754 INFO L85 PathProgramCache]: Analyzing trace with hash 700564198, now seen corresponding path program 28 times [2022-09-16 10:38:18,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:18,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15184481] [2022-09-16 10:38:18,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:18,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:19,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:19,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:19,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15184481] [2022-09-16 10:38:19,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15184481] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:19,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:19,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:38:19,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301389169] [2022-09-16 10:38:19,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:19,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:38:19,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:19,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:38:19,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:38:19,335 INFO L87 Difference]: Start difference. First operand 20590 states and 58157 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:22,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:22,410 INFO L93 Difference]: Finished difference Result 70013 states and 195693 transitions. [2022-09-16 10:38:22,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:38:22,411 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:38:22,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:22,616 INFO L225 Difference]: With dead ends: 70013 [2022-09-16 10:38:22,616 INFO L226 Difference]: Without dead ends: 70013 [2022-09-16 10:38:22,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:38:22,617 INFO L413 NwaCegarLoop]: 642 mSDtfsCounter, 2065 mSDsluCounter, 5550 mSDsCounter, 0 mSdLazyCounter, 1301 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2065 SdHoareTripleChecker+Valid, 6137 SdHoareTripleChecker+Invalid, 1317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:22,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2065 Valid, 6137 Invalid, 1317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1301 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:38:22,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70013 states. [2022-09-16 10:38:23,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70013 to 20635. [2022-09-16 10:38:23,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20635 states, 20591 states have (on average 2.830896993832257) internal successors, (58291), 20634 states have internal predecessors, (58291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:23,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20635 states to 20635 states and 58291 transitions. [2022-09-16 10:38:23,457 INFO L78 Accepts]: Start accepts. Automaton has 20635 states and 58291 transitions. Word has length 86 [2022-09-16 10:38:23,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:23,458 INFO L495 AbstractCegarLoop]: Abstraction has 20635 states and 58291 transitions. [2022-09-16 10:38:23,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:23,458 INFO L276 IsEmpty]: Start isEmpty. Operand 20635 states and 58291 transitions. [2022-09-16 10:38:23,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:38:23,462 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:23,462 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:23,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-09-16 10:38:23,462 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:23,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:23,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1407040276, now seen corresponding path program 29 times [2022-09-16 10:38:23,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:23,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299654005] [2022-09-16 10:38:23,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:23,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:23,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:23,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:23,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299654005] [2022-09-16 10:38:23,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299654005] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:23,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:23,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-09-16 10:38:23,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907671512] [2022-09-16 10:38:23,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:23,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:38:23,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:23,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:38:23,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:38:23,932 INFO L87 Difference]: Start difference. First operand 20635 states and 58291 transitions. Second operand has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:27,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:27,040 INFO L93 Difference]: Finished difference Result 60844 states and 170798 transitions. [2022-09-16 10:38:27,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:38:27,040 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:38:27,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:27,340 INFO L225 Difference]: With dead ends: 60844 [2022-09-16 10:38:27,341 INFO L226 Difference]: Without dead ends: 60844 [2022-09-16 10:38:27,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 507 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=655, Invalid=2207, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:38:27,342 INFO L413 NwaCegarLoop]: 637 mSDtfsCounter, 2238 mSDsluCounter, 6037 mSDsCounter, 0 mSdLazyCounter, 1360 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2238 SdHoareTripleChecker+Valid, 6617 SdHoareTripleChecker+Invalid, 1384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:27,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2238 Valid, 6617 Invalid, 1384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1360 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:38:27,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60844 states. [2022-09-16 10:38:27,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60844 to 20455. [2022-09-16 10:38:27,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20455 states, 20411 states have (on average 2.829601685365734) internal successors, (57755), 20454 states have internal predecessors, (57755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:28,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20455 states to 20455 states and 57755 transitions. [2022-09-16 10:38:28,094 INFO L78 Accepts]: Start accepts. Automaton has 20455 states and 57755 transitions. Word has length 86 [2022-09-16 10:38:28,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:28,094 INFO L495 AbstractCegarLoop]: Abstraction has 20455 states and 57755 transitions. [2022-09-16 10:38:28,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:28,094 INFO L276 IsEmpty]: Start isEmpty. Operand 20455 states and 57755 transitions. [2022-09-16 10:38:28,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:38:28,098 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:28,098 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:28,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-09-16 10:38:28,098 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:28,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:28,099 INFO L85 PathProgramCache]: Analyzing trace with hash -373430264, now seen corresponding path program 30 times [2022-09-16 10:38:28,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:28,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424193391] [2022-09-16 10:38:28,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:28,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:28,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:28,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:28,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424193391] [2022-09-16 10:38:28,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424193391] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:28,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:28,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:38:28,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441794875] [2022-09-16 10:38:28,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:28,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:38:28,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:28,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:38:28,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:38:28,524 INFO L87 Difference]: Start difference. First operand 20455 states and 57755 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:31,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:31,702 INFO L93 Difference]: Finished difference Result 66653 states and 187720 transitions. [2022-09-16 10:38:31,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:38:31,703 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:38:31,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:31,901 INFO L225 Difference]: With dead ends: 66653 [2022-09-16 10:38:31,901 INFO L226 Difference]: Without dead ends: 66653 [2022-09-16 10:38:31,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:38:31,902 INFO L413 NwaCegarLoop]: 636 mSDtfsCounter, 2150 mSDsluCounter, 5957 mSDsCounter, 0 mSdLazyCounter, 1487 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2150 SdHoareTripleChecker+Valid, 6550 SdHoareTripleChecker+Invalid, 1501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:31,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2150 Valid, 6550 Invalid, 1501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1487 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:38:32,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66653 states. [2022-09-16 10:38:32,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66653 to 20635. [2022-09-16 10:38:32,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20635 states, 20591 states have (on average 2.830896993832257) internal successors, (58291), 20634 states have internal predecessors, (58291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:32,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20635 states to 20635 states and 58291 transitions. [2022-09-16 10:38:32,694 INFO L78 Accepts]: Start accepts. Automaton has 20635 states and 58291 transitions. Word has length 86 [2022-09-16 10:38:32,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:32,694 INFO L495 AbstractCegarLoop]: Abstraction has 20635 states and 58291 transitions. [2022-09-16 10:38:32,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:32,694 INFO L276 IsEmpty]: Start isEmpty. Operand 20635 states and 58291 transitions. [2022-09-16 10:38:32,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:38:32,698 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:32,698 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:32,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-09-16 10:38:32,698 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:32,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:32,698 INFO L85 PathProgramCache]: Analyzing trace with hash 201614890, now seen corresponding path program 31 times [2022-09-16 10:38:32,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:32,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133436262] [2022-09-16 10:38:32,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:32,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:33,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:33,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:33,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133436262] [2022-09-16 10:38:33,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133436262] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:33,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:33,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:38:33,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000319670] [2022-09-16 10:38:33,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:33,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:38:33,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:33,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:38:33,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:38:33,359 INFO L87 Difference]: Start difference. First operand 20635 states and 58291 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:36,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:36,506 INFO L93 Difference]: Finished difference Result 62582 states and 174637 transitions. [2022-09-16 10:38:36,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:38:36,507 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:38:36,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:36,694 INFO L225 Difference]: With dead ends: 62582 [2022-09-16 10:38:36,694 INFO L226 Difference]: Without dead ends: 62582 [2022-09-16 10:38:36,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:38:36,695 INFO L413 NwaCegarLoop]: 638 mSDtfsCounter, 2160 mSDsluCounter, 5535 mSDsCounter, 0 mSdLazyCounter, 1412 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2160 SdHoareTripleChecker+Valid, 6126 SdHoareTripleChecker+Invalid, 1431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:36,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2160 Valid, 6126 Invalid, 1431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1412 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:38:36,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62582 states. [2022-09-16 10:38:37,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62582 to 20590. [2022-09-16 10:38:37,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20590 states, 20546 states have (on average 2.830575294461209) internal successors, (58157), 20589 states have internal predecessors, (58157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:37,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20590 states to 20590 states and 58157 transitions. [2022-09-16 10:38:37,417 INFO L78 Accepts]: Start accepts. Automaton has 20590 states and 58157 transitions. Word has length 86 [2022-09-16 10:38:37,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:37,417 INFO L495 AbstractCegarLoop]: Abstraction has 20590 states and 58157 transitions. [2022-09-16 10:38:37,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:37,417 INFO L276 IsEmpty]: Start isEmpty. Operand 20590 states and 58157 transitions. [2022-09-16 10:38:37,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:38:37,421 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:37,421 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:37,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-09-16 10:38:37,421 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:37,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:37,422 INFO L85 PathProgramCache]: Analyzing trace with hash -378681816, now seen corresponding path program 32 times [2022-09-16 10:38:37,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:37,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88356692] [2022-09-16 10:38:37,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:37,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:38,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:38,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:38,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88356692] [2022-09-16 10:38:38,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88356692] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:38,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:38,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:38:38,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124783666] [2022-09-16 10:38:38,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:38,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:38:38,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:38,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:38:38,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:38:38,055 INFO L87 Difference]: Start difference. First operand 20590 states and 58157 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:41,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:41,099 INFO L93 Difference]: Finished difference Result 62994 states and 176348 transitions. [2022-09-16 10:38:41,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:38:41,100 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:38:41,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:41,268 INFO L225 Difference]: With dead ends: 62994 [2022-09-16 10:38:41,268 INFO L226 Difference]: Without dead ends: 62994 [2022-09-16 10:38:41,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:38:41,269 INFO L413 NwaCegarLoop]: 630 mSDtfsCounter, 1879 mSDsluCounter, 5914 mSDsCounter, 0 mSdLazyCounter, 1459 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1879 SdHoareTripleChecker+Valid, 6507 SdHoareTripleChecker+Invalid, 1468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:41,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1879 Valid, 6507 Invalid, 1468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1459 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:38:41,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62994 states. [2022-09-16 10:38:41,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62994 to 20500. [2022-09-16 10:38:41,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20500 states, 20456 states have (on average 2.8299276495893624) internal successors, (57889), 20499 states have internal predecessors, (57889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:41,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20500 states to 20500 states and 57889 transitions. [2022-09-16 10:38:41,972 INFO L78 Accepts]: Start accepts. Automaton has 20500 states and 57889 transitions. Word has length 86 [2022-09-16 10:38:41,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:41,972 INFO L495 AbstractCegarLoop]: Abstraction has 20500 states and 57889 transitions. [2022-09-16 10:38:41,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:41,972 INFO L276 IsEmpty]: Start isEmpty. Operand 20500 states and 57889 transitions. [2022-09-16 10:38:41,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:38:41,976 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:41,976 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:41,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-09-16 10:38:41,976 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:41,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:41,977 INFO L85 PathProgramCache]: Analyzing trace with hash 958376198, now seen corresponding path program 33 times [2022-09-16 10:38:41,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:41,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772121380] [2022-09-16 10:38:41,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:41,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:42,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:42,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:42,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772121380] [2022-09-16 10:38:42,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772121380] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:42,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:42,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:38:42,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536599304] [2022-09-16 10:38:42,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:42,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:38:42,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:42,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:38:42,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:38:42,632 INFO L87 Difference]: Start difference. First operand 20500 states and 57889 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:45,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:45,743 INFO L93 Difference]: Finished difference Result 51895 states and 145878 transitions. [2022-09-16 10:38:45,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:38:45,744 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:38:45,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:45,871 INFO L225 Difference]: With dead ends: 51895 [2022-09-16 10:38:45,871 INFO L226 Difference]: Without dead ends: 51895 [2022-09-16 10:38:45,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 494 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:38:45,872 INFO L413 NwaCegarLoop]: 620 mSDtfsCounter, 1804 mSDsluCounter, 5922 mSDsCounter, 0 mSdLazyCounter, 1472 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1804 SdHoareTripleChecker+Valid, 6512 SdHoareTripleChecker+Invalid, 1485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:45,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1804 Valid, 6512 Invalid, 1485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1472 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:38:45,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51895 states. [2022-09-16 10:38:46,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51895 to 20410. [2022-09-16 10:38:46,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20410 states, 20366 states have (on average 2.8292742806638516) internal successors, (57621), 20409 states have internal predecessors, (57621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:46,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20410 states to 20410 states and 57621 transitions. [2022-09-16 10:38:46,490 INFO L78 Accepts]: Start accepts. Automaton has 20410 states and 57621 transitions. Word has length 86 [2022-09-16 10:38:46,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:46,490 INFO L495 AbstractCegarLoop]: Abstraction has 20410 states and 57621 transitions. [2022-09-16 10:38:46,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:46,490 INFO L276 IsEmpty]: Start isEmpty. Operand 20410 states and 57621 transitions. [2022-09-16 10:38:46,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:38:46,493 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:46,493 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:46,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-09-16 10:38:46,494 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:46,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:46,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1515271450, now seen corresponding path program 34 times [2022-09-16 10:38:46,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:46,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39246992] [2022-09-16 10:38:46,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:46,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:46,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:46,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:46,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39246992] [2022-09-16 10:38:46,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39246992] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:46,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:46,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:38:46,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127748587] [2022-09-16 10:38:46,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:46,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:38:46,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:46,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:38:46,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:38:46,902 INFO L87 Difference]: Start difference. First operand 20410 states and 57621 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:50,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:50,102 INFO L93 Difference]: Finished difference Result 61517 states and 173519 transitions. [2022-09-16 10:38:50,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:38:50,103 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:38:50,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:50,261 INFO L225 Difference]: With dead ends: 61517 [2022-09-16 10:38:50,261 INFO L226 Difference]: Without dead ends: 61517 [2022-09-16 10:38:50,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:38:50,262 INFO L413 NwaCegarLoop]: 627 mSDtfsCounter, 2362 mSDsluCounter, 5808 mSDsCounter, 0 mSdLazyCounter, 1427 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2362 SdHoareTripleChecker+Valid, 6391 SdHoareTripleChecker+Invalid, 1441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:50,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2362 Valid, 6391 Invalid, 1441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1427 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:38:50,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61517 states. [2022-09-16 10:38:50,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61517 to 20815. [2022-09-16 10:38:50,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20815 states, 20771 states have (on average 2.832169852197776) internal successors, (58827), 20814 states have internal predecessors, (58827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:50,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20815 states to 20815 states and 58827 transitions. [2022-09-16 10:38:50,985 INFO L78 Accepts]: Start accepts. Automaton has 20815 states and 58827 transitions. Word has length 86 [2022-09-16 10:38:50,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:50,985 INFO L495 AbstractCegarLoop]: Abstraction has 20815 states and 58827 transitions. [2022-09-16 10:38:50,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:50,985 INFO L276 IsEmpty]: Start isEmpty. Operand 20815 states and 58827 transitions. [2022-09-16 10:38:50,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:38:50,988 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:50,988 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:50,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-09-16 10:38:50,988 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:50,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:50,989 INFO L85 PathProgramCache]: Analyzing trace with hash -940226296, now seen corresponding path program 35 times [2022-09-16 10:38:50,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:50,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596976774] [2022-09-16 10:38:50,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:50,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:51,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:51,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:51,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596976774] [2022-09-16 10:38:51,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596976774] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:51,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:51,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:38:51,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768607154] [2022-09-16 10:38:51,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:51,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:38:51,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:51,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:38:51,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:38:51,421 INFO L87 Difference]: Start difference. First operand 20815 states and 58827 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:54,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:54,405 INFO L93 Difference]: Finished difference Result 57446 states and 160436 transitions. [2022-09-16 10:38:54,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:38:54,406 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:38:54,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:54,558 INFO L225 Difference]: With dead ends: 57446 [2022-09-16 10:38:54,558 INFO L226 Difference]: Without dead ends: 57446 [2022-09-16 10:38:54,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:38:54,559 INFO L413 NwaCegarLoop]: 629 mSDtfsCounter, 2279 mSDsluCounter, 5431 mSDsCounter, 0 mSdLazyCounter, 1365 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2279 SdHoareTripleChecker+Valid, 6012 SdHoareTripleChecker+Invalid, 1385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:54,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2279 Valid, 6012 Invalid, 1385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1365 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:38:54,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57446 states. [2022-09-16 10:38:55,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57446 to 20770. [2022-09-16 10:38:55,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20770 states, 20726 states have (on average 2.8318537103155457) internal successors, (58693), 20769 states have internal predecessors, (58693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:55,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20770 states to 20770 states and 58693 transitions. [2022-09-16 10:38:55,268 INFO L78 Accepts]: Start accepts. Automaton has 20770 states and 58693 transitions. Word has length 86 [2022-09-16 10:38:55,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:55,268 INFO L495 AbstractCegarLoop]: Abstraction has 20770 states and 58693 transitions. [2022-09-16 10:38:55,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:55,269 INFO L276 IsEmpty]: Start isEmpty. Operand 20770 states and 58693 transitions. [2022-09-16 10:38:55,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:38:55,272 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:55,272 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:55,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-09-16 10:38:55,272 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:55,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:55,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1520523002, now seen corresponding path program 36 times [2022-09-16 10:38:55,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:55,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892251735] [2022-09-16 10:38:55,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:55,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:55,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:55,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:55,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892251735] [2022-09-16 10:38:55,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892251735] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:55,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:55,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:38:55,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110614516] [2022-09-16 10:38:55,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:55,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:38:55,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:55,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:38:55,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:38:55,735 INFO L87 Difference]: Start difference. First operand 20770 states and 58693 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:58,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:58,702 INFO L93 Difference]: Finished difference Result 48611 states and 136159 transitions. [2022-09-16 10:38:58,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:38:58,702 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:38:58,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:58,940 INFO L225 Difference]: With dead ends: 48611 [2022-09-16 10:38:58,940 INFO L226 Difference]: Without dead ends: 48611 [2022-09-16 10:38:58,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:38:58,941 INFO L413 NwaCegarLoop]: 626 mSDtfsCounter, 2119 mSDsluCounter, 5525 mSDsCounter, 0 mSdLazyCounter, 1339 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2119 SdHoareTripleChecker+Valid, 6116 SdHoareTripleChecker+Invalid, 1355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:58,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2119 Valid, 6116 Invalid, 1355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1339 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:38:58,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48611 states. [2022-09-16 10:38:59,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48611 to 20680. [2022-09-16 10:38:59,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20680 states, 20636 states have (on average 2.831217290172514) internal successors, (58425), 20679 states have internal predecessors, (58425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:59,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20680 states to 20680 states and 58425 transitions. [2022-09-16 10:38:59,441 INFO L78 Accepts]: Start accepts. Automaton has 20680 states and 58425 transitions. Word has length 86 [2022-09-16 10:38:59,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:59,441 INFO L495 AbstractCegarLoop]: Abstraction has 20680 states and 58425 transitions. [2022-09-16 10:38:59,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:59,441 INFO L276 IsEmpty]: Start isEmpty. Operand 20680 states and 58425 transitions. [2022-09-16 10:38:59,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:38:59,444 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:59,445 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:59,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-09-16 10:38:59,445 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:59,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:59,445 INFO L85 PathProgramCache]: Analyzing trace with hash 2093830280, now seen corresponding path program 37 times [2022-09-16 10:38:59,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:59,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557439561] [2022-09-16 10:38:59,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:59,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:59,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:59,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:59,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557439561] [2022-09-16 10:38:59,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557439561] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:59,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:59,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:38:59,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469922944] [2022-09-16 10:38:59,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:59,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:38:59,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:59,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:38:59,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:38:59,950 INFO L87 Difference]: Start difference. First operand 20680 states and 58425 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:02,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:02,960 INFO L93 Difference]: Finished difference Result 60049 states and 167544 transitions. [2022-09-16 10:39:02,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:39:02,961 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:39:02,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:03,120 INFO L225 Difference]: With dead ends: 60049 [2022-09-16 10:39:03,120 INFO L226 Difference]: Without dead ends: 60049 [2022-09-16 10:39:03,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:39:03,121 INFO L413 NwaCegarLoop]: 645 mSDtfsCounter, 1945 mSDsluCounter, 6078 mSDsCounter, 0 mSdLazyCounter, 1426 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1945 SdHoareTripleChecker+Valid, 6671 SdHoareTripleChecker+Invalid, 1438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:03,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1945 Valid, 6671 Invalid, 1438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1426 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:39:03,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60049 states. [2022-09-16 10:39:03,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60049 to 20770. [2022-09-16 10:39:03,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20770 states, 20726 states have (on average 2.8318537103155457) internal successors, (58693), 20769 states have internal predecessors, (58693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:03,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20770 states to 20770 states and 58693 transitions. [2022-09-16 10:39:03,686 INFO L78 Accepts]: Start accepts. Automaton has 20770 states and 58693 transitions. Word has length 86 [2022-09-16 10:39:03,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:03,686 INFO L495 AbstractCegarLoop]: Abstraction has 20770 states and 58693 transitions. [2022-09-16 10:39:03,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:03,686 INFO L276 IsEmpty]: Start isEmpty. Operand 20770 states and 58693 transitions. [2022-09-16 10:39:03,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:39:03,689 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:03,689 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:03,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-09-16 10:39:03,690 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:03,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:03,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1626091862, now seen corresponding path program 38 times [2022-09-16 10:39:03,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:03,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059302307] [2022-09-16 10:39:03,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:03,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:04,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:04,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:04,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059302307] [2022-09-16 10:39:04,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059302307] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:04,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:04,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:39:04,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977286406] [2022-09-16 10:39:04,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:04,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:39:04,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:04,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:39:04,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:39:04,287 INFO L87 Difference]: Start difference. First operand 20770 states and 58693 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:07,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:07,342 INFO L93 Difference]: Finished difference Result 62277 states and 172663 transitions. [2022-09-16 10:39:07,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:39:07,342 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:39:07,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:07,496 INFO L225 Difference]: With dead ends: 62277 [2022-09-16 10:39:07,497 INFO L226 Difference]: Without dead ends: 62277 [2022-09-16 10:39:07,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:39:07,497 INFO L413 NwaCegarLoop]: 651 mSDtfsCounter, 2178 mSDsluCounter, 5575 mSDsCounter, 0 mSdLazyCounter, 1342 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2178 SdHoareTripleChecker+Valid, 6171 SdHoareTripleChecker+Invalid, 1359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:07,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2178 Valid, 6171 Invalid, 1359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1342 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:39:07,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62277 states. [2022-09-16 10:39:08,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62277 to 20725. [2022-09-16 10:39:08,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20725 states, 20681 states have (on average 2.831536192640588) internal successors, (58559), 20724 states have internal predecessors, (58559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:08,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20725 states to 20725 states and 58559 transitions. [2022-09-16 10:39:08,185 INFO L78 Accepts]: Start accepts. Automaton has 20725 states and 58559 transitions. Word has length 86 [2022-09-16 10:39:08,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:08,186 INFO L495 AbstractCegarLoop]: Abstraction has 20725 states and 58559 transitions. [2022-09-16 10:39:08,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:08,186 INFO L276 IsEmpty]: Start isEmpty. Operand 20725 states and 58559 transitions. [2022-09-16 10:39:08,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:39:08,189 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:08,189 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:08,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-09-16 10:39:08,189 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:08,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:08,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1601041606, now seen corresponding path program 39 times [2022-09-16 10:39:08,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:08,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645315015] [2022-09-16 10:39:08,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:08,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:08,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:08,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:08,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645315015] [2022-09-16 10:39:08,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645315015] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:08,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:08,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:39:08,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130364958] [2022-09-16 10:39:08,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:08,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:39:08,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:08,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:39:08,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:39:08,599 INFO L87 Difference]: Start difference. First operand 20725 states and 58559 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:11,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:11,586 INFO L93 Difference]: Finished difference Result 60380 states and 167628 transitions. [2022-09-16 10:39:11,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:39:11,586 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:39:11,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:11,735 INFO L225 Difference]: With dead ends: 60380 [2022-09-16 10:39:11,735 INFO L226 Difference]: Without dead ends: 60380 [2022-09-16 10:39:11,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:39:11,736 INFO L413 NwaCegarLoop]: 643 mSDtfsCounter, 2354 mSDsluCounter, 5580 mSDsCounter, 0 mSdLazyCounter, 1304 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2354 SdHoareTripleChecker+Valid, 6168 SdHoareTripleChecker+Invalid, 1322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:11,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2354 Valid, 6168 Invalid, 1322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1304 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:39:11,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60380 states. [2022-09-16 10:39:12,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60380 to 20770. [2022-09-16 10:39:12,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20770 states, 20726 states have (on average 2.8318537103155457) internal successors, (58693), 20769 states have internal predecessors, (58693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:12,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20770 states to 20770 states and 58693 transitions. [2022-09-16 10:39:12,444 INFO L78 Accepts]: Start accepts. Automaton has 20770 states and 58693 transitions. Word has length 86 [2022-09-16 10:39:12,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:12,445 INFO L495 AbstractCegarLoop]: Abstraction has 20770 states and 58693 transitions. [2022-09-16 10:39:12,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:12,445 INFO L276 IsEmpty]: Start isEmpty. Operand 20770 states and 58693 transitions. [2022-09-16 10:39:12,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:39:12,448 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:12,448 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:12,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-09-16 10:39:12,448 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:12,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:12,449 INFO L85 PathProgramCache]: Analyzing trace with hash -506562868, now seen corresponding path program 40 times [2022-09-16 10:39:12,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:12,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399230707] [2022-09-16 10:39:12,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:12,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:12,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:12,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:12,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399230707] [2022-09-16 10:39:12,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399230707] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:12,829 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:12,829 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-09-16 10:39:12,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308599605] [2022-09-16 10:39:12,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:12,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:39:12,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:12,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:39:12,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:39:12,831 INFO L87 Difference]: Start difference. First operand 20770 states and 58693 transitions. Second operand has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:15,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:15,822 INFO L93 Difference]: Finished difference Result 50231 states and 140304 transitions. [2022-09-16 10:39:15,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:39:15,823 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:39:15,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:15,936 INFO L225 Difference]: With dead ends: 50231 [2022-09-16 10:39:15,936 INFO L226 Difference]: Without dead ends: 50231 [2022-09-16 10:39:15,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 507 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=655, Invalid=2207, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:39:15,937 INFO L413 NwaCegarLoop]: 635 mSDtfsCounter, 2053 mSDsluCounter, 6486 mSDsCounter, 0 mSdLazyCounter, 1459 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2053 SdHoareTripleChecker+Valid, 7058 SdHoareTripleChecker+Invalid, 1476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:15,937 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2053 Valid, 7058 Invalid, 1476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1459 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:39:16,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50231 states. [2022-09-16 10:39:16,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50231 to 20590. [2022-09-16 10:39:16,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20590 states, 20546 states have (on average 2.830575294461209) internal successors, (58157), 20589 states have internal predecessors, (58157), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:16,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20590 states to 20590 states and 58157 transitions. [2022-09-16 10:39:16,576 INFO L78 Accepts]: Start accepts. Automaton has 20590 states and 58157 transitions. Word has length 86 [2022-09-16 10:39:16,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:16,576 INFO L495 AbstractCegarLoop]: Abstraction has 20590 states and 58157 transitions. [2022-09-16 10:39:16,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:16,576 INFO L276 IsEmpty]: Start isEmpty. Operand 20590 states and 58157 transitions. [2022-09-16 10:39:16,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:39:16,580 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:16,580 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:16,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-09-16 10:39:16,580 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:16,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:16,581 INFO L85 PathProgramCache]: Analyzing trace with hash -484584730, now seen corresponding path program 41 times [2022-09-16 10:39:16,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:16,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581106900] [2022-09-16 10:39:16,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:16,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:17,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:17,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:17,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581106900] [2022-09-16 10:39:17,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581106900] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:17,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:17,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:39:17,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734813488] [2022-09-16 10:39:17,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:17,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:39:17,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:17,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:39:17,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:39:17,065 INFO L87 Difference]: Start difference. First operand 20590 states and 58157 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:20,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:20,121 INFO L93 Difference]: Finished difference Result 45277 states and 127269 transitions. [2022-09-16 10:39:20,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:39:20,126 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:39:20,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:20,227 INFO L225 Difference]: With dead ends: 45277 [2022-09-16 10:39:20,227 INFO L226 Difference]: Without dead ends: 45277 [2022-09-16 10:39:20,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:39:20,228 INFO L413 NwaCegarLoop]: 630 mSDtfsCounter, 1890 mSDsluCounter, 6025 mSDsCounter, 0 mSdLazyCounter, 1403 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1890 SdHoareTripleChecker+Valid, 6610 SdHoareTripleChecker+Invalid, 1416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:20,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1890 Valid, 6610 Invalid, 1416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1403 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:39:20,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45277 states. [2022-09-16 10:39:20,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45277 to 20770. [2022-09-16 10:39:20,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20770 states, 20726 states have (on average 2.8318537103155457) internal successors, (58693), 20769 states have internal predecessors, (58693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:20,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20770 states to 20770 states and 58693 transitions. [2022-09-16 10:39:20,844 INFO L78 Accepts]: Start accepts. Automaton has 20770 states and 58693 transitions. Word has length 86 [2022-09-16 10:39:20,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:20,845 INFO L495 AbstractCegarLoop]: Abstraction has 20770 states and 58693 transitions. [2022-09-16 10:39:20,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:20,845 INFO L276 IsEmpty]: Start isEmpty. Operand 20770 states and 58693 transitions. [2022-09-16 10:39:20,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:39:20,848 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:20,848 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:20,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-09-16 10:39:20,848 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:20,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:20,849 INFO L85 PathProgramCache]: Analyzing trace with hash 90460424, now seen corresponding path program 42 times [2022-09-16 10:39:20,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:20,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608085905] [2022-09-16 10:39:20,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:20,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:21,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:21,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:21,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608085905] [2022-09-16 10:39:21,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608085905] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:21,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:21,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:39:21,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289175604] [2022-09-16 10:39:21,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:21,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:39:21,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:21,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:39:21,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:39:21,244 INFO L87 Difference]: Start difference. First operand 20770 states and 58693 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:24,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:24,252 INFO L93 Difference]: Finished difference Result 47505 states and 132388 transitions. [2022-09-16 10:39:24,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:39:24,253 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:39:24,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:24,354 INFO L225 Difference]: With dead ends: 47505 [2022-09-16 10:39:24,354 INFO L226 Difference]: Without dead ends: 47505 [2022-09-16 10:39:24,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:39:24,355 INFO L413 NwaCegarLoop]: 636 mSDtfsCounter, 2135 mSDsluCounter, 5955 mSDsCounter, 0 mSdLazyCounter, 1456 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2135 SdHoareTripleChecker+Valid, 6537 SdHoareTripleChecker+Invalid, 1474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1456 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:24,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2135 Valid, 6537 Invalid, 1474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1456 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:39:24,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47505 states. [2022-09-16 10:39:24,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47505 to 20725. [2022-09-16 10:39:24,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20725 states, 20681 states have (on average 2.831536192640588) internal successors, (58559), 20724 states have internal predecessors, (58559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:25,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20725 states to 20725 states and 58559 transitions. [2022-09-16 10:39:25,040 INFO L78 Accepts]: Start accepts. Automaton has 20725 states and 58559 transitions. Word has length 86 [2022-09-16 10:39:25,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:25,040 INFO L495 AbstractCegarLoop]: Abstraction has 20725 states and 58559 transitions. [2022-09-16 10:39:25,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:25,040 INFO L276 IsEmpty]: Start isEmpty. Operand 20725 states and 58559 transitions. [2022-09-16 10:39:25,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:39:25,043 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:25,044 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:25,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-09-16 10:39:25,044 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:25,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:25,044 INFO L85 PathProgramCache]: Analyzing trace with hash -977373404, now seen corresponding path program 43 times [2022-09-16 10:39:25,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:25,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959149109] [2022-09-16 10:39:25,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:25,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:25,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:25,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:25,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959149109] [2022-09-16 10:39:25,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959149109] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:25,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:25,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:39:25,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078341454] [2022-09-16 10:39:25,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:25,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:39:25,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:25,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:39:25,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:39:25,437 INFO L87 Difference]: Start difference. First operand 20725 states and 58559 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:28,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:28,511 INFO L93 Difference]: Finished difference Result 58298 states and 161583 transitions. [2022-09-16 10:39:28,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:39:28,512 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:39:28,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:28,650 INFO L225 Difference]: With dead ends: 58298 [2022-09-16 10:39:28,651 INFO L226 Difference]: Without dead ends: 58298 [2022-09-16 10:39:28,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:39:28,652 INFO L413 NwaCegarLoop]: 643 mSDtfsCounter, 2195 mSDsluCounter, 6036 mSDsCounter, 0 mSdLazyCounter, 1437 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2195 SdHoareTripleChecker+Valid, 6618 SdHoareTripleChecker+Invalid, 1455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:28,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2195 Valid, 6618 Invalid, 1455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1437 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:39:28,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58298 states. [2022-09-16 10:39:29,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58298 to 20770. [2022-09-16 10:39:29,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20770 states, 20726 states have (on average 2.8318537103155457) internal successors, (58693), 20769 states have internal predecessors, (58693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:29,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20770 states to 20770 states and 58693 transitions. [2022-09-16 10:39:29,367 INFO L78 Accepts]: Start accepts. Automaton has 20770 states and 58693 transitions. Word has length 86 [2022-09-16 10:39:29,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:29,367 INFO L495 AbstractCegarLoop]: Abstraction has 20770 states and 58693 transitions. [2022-09-16 10:39:29,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:29,368 INFO L276 IsEmpty]: Start isEmpty. Operand 20770 states and 58693 transitions. [2022-09-16 10:39:29,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:39:29,371 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:29,371 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:29,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-09-16 10:39:29,371 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:29,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:29,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1209989418, now seen corresponding path program 44 times [2022-09-16 10:39:29,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:29,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126342777] [2022-09-16 10:39:29,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:29,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:29,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:29,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:29,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126342777] [2022-09-16 10:39:29,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126342777] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:29,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:29,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-09-16 10:39:29,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270091015] [2022-09-16 10:39:29,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:29,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:39:29,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:29,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:39:29,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:39:29,759 INFO L87 Difference]: Start difference. First operand 20770 states and 58693 transitions. Second operand has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:32,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:32,713 INFO L93 Difference]: Finished difference Result 48149 states and 134259 transitions. [2022-09-16 10:39:32,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:39:32,714 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:39:32,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:32,824 INFO L225 Difference]: With dead ends: 48149 [2022-09-16 10:39:32,825 INFO L226 Difference]: Without dead ends: 48149 [2022-09-16 10:39:32,825 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 507 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=655, Invalid=2207, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:39:32,825 INFO L413 NwaCegarLoop]: 635 mSDtfsCounter, 2068 mSDsluCounter, 6636 mSDsCounter, 0 mSdLazyCounter, 1469 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2068 SdHoareTripleChecker+Valid, 7208 SdHoareTripleChecker+Invalid, 1485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:32,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2068 Valid, 7208 Invalid, 1485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1469 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:39:32,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48149 states. [2022-09-16 10:39:33,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48149 to 20680. [2022-09-16 10:39:33,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20680 states, 20636 states have (on average 2.831217290172514) internal successors, (58425), 20679 states have internal predecessors, (58425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:33,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20680 states to 20680 states and 58425 transitions. [2022-09-16 10:39:33,475 INFO L78 Accepts]: Start accepts. Automaton has 20680 states and 58425 transitions. Word has length 86 [2022-09-16 10:39:33,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:33,475 INFO L495 AbstractCegarLoop]: Abstraction has 20680 states and 58425 transitions. [2022-09-16 10:39:33,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:33,475 INFO L276 IsEmpty]: Start isEmpty. Operand 20680 states and 58425 transitions. [2022-09-16 10:39:33,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:39:33,480 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:33,480 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:33,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-09-16 10:39:33,480 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:33,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:33,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1320921558, now seen corresponding path program 45 times [2022-09-16 10:39:33,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:33,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687947449] [2022-09-16 10:39:33,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:33,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:33,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:33,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:33,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687947449] [2022-09-16 10:39:33,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687947449] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:33,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:33,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:39:33,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855649583] [2022-09-16 10:39:33,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:33,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:39:33,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:33,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:39:33,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:39:33,946 INFO L87 Difference]: Start difference. First operand 20680 states and 58425 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:36,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:36,891 INFO L93 Difference]: Finished difference Result 45563 states and 127219 transitions. [2022-09-16 10:39:36,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:39:36,892 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:39:36,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:36,985 INFO L225 Difference]: With dead ends: 45563 [2022-09-16 10:39:36,986 INFO L226 Difference]: Without dead ends: 45563 [2022-09-16 10:39:36,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:39:36,986 INFO L413 NwaCegarLoop]: 625 mSDtfsCounter, 1964 mSDsluCounter, 5947 mSDsCounter, 0 mSdLazyCounter, 1448 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1964 SdHoareTripleChecker+Valid, 6517 SdHoareTripleChecker+Invalid, 1465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:36,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1964 Valid, 6517 Invalid, 1465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1448 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:39:37,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45563 states. [2022-09-16 10:39:37,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45563 to 20815. [2022-09-16 10:39:37,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20815 states, 20771 states have (on average 2.832169852197776) internal successors, (58827), 20814 states have internal predecessors, (58827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:37,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20815 states to 20815 states and 58827 transitions. [2022-09-16 10:39:37,624 INFO L78 Accepts]: Start accepts. Automaton has 20815 states and 58827 transitions. Word has length 86 [2022-09-16 10:39:37,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:37,624 INFO L495 AbstractCegarLoop]: Abstraction has 20815 states and 58827 transitions. [2022-09-16 10:39:37,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:37,625 INFO L276 IsEmpty]: Start isEmpty. Operand 20815 states and 58827 transitions. [2022-09-16 10:39:37,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:39:37,628 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:37,628 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:37,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-09-16 10:39:37,628 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:37,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:37,629 INFO L85 PathProgramCache]: Analyzing trace with hash 866441264, now seen corresponding path program 46 times [2022-09-16 10:39:37,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:37,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457837785] [2022-09-16 10:39:37,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:37,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:38,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:38,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:38,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457837785] [2022-09-16 10:39:38,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457837785] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:38,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:38,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-09-16 10:39:38,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263825335] [2022-09-16 10:39:38,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:38,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:39:38,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:38,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:39:38,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:39:38,008 INFO L87 Difference]: Start difference. First operand 20815 states and 58827 transitions. Second operand has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:40,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:40,947 INFO L93 Difference]: Finished difference Result 45546 states and 127151 transitions. [2022-09-16 10:39:40,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:39:40,947 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:39:40,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:41,039 INFO L225 Difference]: With dead ends: 45546 [2022-09-16 10:39:41,039 INFO L226 Difference]: Without dead ends: 45546 [2022-09-16 10:39:41,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 507 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=655, Invalid=2207, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:39:41,040 INFO L413 NwaCegarLoop]: 630 mSDtfsCounter, 1964 mSDsluCounter, 5989 mSDsCounter, 0 mSdLazyCounter, 1380 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1964 SdHoareTripleChecker+Valid, 6562 SdHoareTripleChecker+Invalid, 1391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:41,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1964 Valid, 6562 Invalid, 1391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1380 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:39:41,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45546 states. [2022-09-16 10:39:41,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45546 to 20770. [2022-09-16 10:39:41,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20770 states, 20726 states have (on average 2.8318537103155457) internal successors, (58693), 20769 states have internal predecessors, (58693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:41,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20770 states to 20770 states and 58693 transitions. [2022-09-16 10:39:41,543 INFO L78 Accepts]: Start accepts. Automaton has 20770 states and 58693 transitions. Word has length 86 [2022-09-16 10:39:41,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:41,544 INFO L495 AbstractCegarLoop]: Abstraction has 20770 states and 58693 transitions. [2022-09-16 10:39:41,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:41,544 INFO L276 IsEmpty]: Start isEmpty. Operand 20770 states and 58693 transitions. [2022-09-16 10:39:41,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:39:41,637 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:41,637 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:41,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-09-16 10:39:41,638 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:41,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:41,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1178717466, now seen corresponding path program 47 times [2022-09-16 10:39:41,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:41,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797288245] [2022-09-16 10:39:41,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:41,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:42,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:42,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:42,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797288245] [2022-09-16 10:39:42,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797288245] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:42,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:42,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-09-16 10:39:42,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592319372] [2022-09-16 10:39:42,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:42,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:39:42,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:42,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:39:42,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:39:42,029 INFO L87 Difference]: Start difference. First operand 20770 states and 58693 transitions. Second operand has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:44,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:44,793 INFO L93 Difference]: Finished difference Result 36214 states and 101833 transitions. [2022-09-16 10:39:44,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:39:44,793 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:39:44,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:44,962 INFO L225 Difference]: With dead ends: 36214 [2022-09-16 10:39:44,962 INFO L226 Difference]: Without dead ends: 36214 [2022-09-16 10:39:44,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 507 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=657, Invalid=2205, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:39:44,962 INFO L413 NwaCegarLoop]: 622 mSDtfsCounter, 1980 mSDsluCounter, 5992 mSDsCounter, 0 mSdLazyCounter, 1373 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1980 SdHoareTripleChecker+Valid, 6562 SdHoareTripleChecker+Invalid, 1398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:44,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1980 Valid, 6562 Invalid, 1398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1373 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:39:45,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36214 states. [2022-09-16 10:39:45,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36214 to 21698. [2022-09-16 10:39:45,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21698 states, 21654 states have (on average 2.8379514177519165) internal successors, (61453), 21697 states have internal predecessors, (61453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:45,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21698 states to 21698 states and 61453 transitions. [2022-09-16 10:39:45,346 INFO L78 Accepts]: Start accepts. Automaton has 21698 states and 61453 transitions. Word has length 86 [2022-09-16 10:39:45,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:45,346 INFO L495 AbstractCegarLoop]: Abstraction has 21698 states and 61453 transitions. [2022-09-16 10:39:45,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:45,346 INFO L276 IsEmpty]: Start isEmpty. Operand 21698 states and 61453 transitions. [2022-09-16 10:39:45,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:39:45,350 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:45,351 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:45,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-09-16 10:39:45,351 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:45,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:45,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1747333000, now seen corresponding path program 48 times [2022-09-16 10:39:45,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:45,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952165038] [2022-09-16 10:39:45,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:45,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:45,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:45,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:45,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952165038] [2022-09-16 10:39:45,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952165038] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:45,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:45,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:39:45,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252834602] [2022-09-16 10:39:45,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:45,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:39:45,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:45,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:39:45,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:39:45,758 INFO L87 Difference]: Start difference. First operand 21698 states and 61453 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:48,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:48,783 INFO L93 Difference]: Finished difference Result 70366 states and 196369 transitions. [2022-09-16 10:39:48,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:39:48,783 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:39:48,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:48,957 INFO L225 Difference]: With dead ends: 70366 [2022-09-16 10:39:48,957 INFO L226 Difference]: Without dead ends: 70366 [2022-09-16 10:39:48,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:39:48,958 INFO L413 NwaCegarLoop]: 640 mSDtfsCounter, 2229 mSDsluCounter, 6031 mSDsCounter, 0 mSdLazyCounter, 1448 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2229 SdHoareTripleChecker+Valid, 6626 SdHoareTripleChecker+Invalid, 1461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:48,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2229 Valid, 6626 Invalid, 1461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1448 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:39:49,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70366 states. [2022-09-16 10:39:49,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70366 to 22013. [2022-09-16 10:39:49,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22013 states, 21969 states have (on average 2.8399563020619962) internal successors, (62391), 22012 states have internal predecessors, (62391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:49,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22013 states to 22013 states and 62391 transitions. [2022-09-16 10:39:49,808 INFO L78 Accepts]: Start accepts. Automaton has 22013 states and 62391 transitions. Word has length 86 [2022-09-16 10:39:49,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:49,809 INFO L495 AbstractCegarLoop]: Abstraction has 22013 states and 62391 transitions. [2022-09-16 10:39:49,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:49,809 INFO L276 IsEmpty]: Start isEmpty. Operand 22013 states and 62391 transitions. [2022-09-16 10:39:49,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:39:49,813 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:49,813 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:49,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-09-16 10:39:49,813 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:49,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:49,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1972589142, now seen corresponding path program 49 times [2022-09-16 10:39:49,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:49,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185722381] [2022-09-16 10:39:49,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:49,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:50,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:50,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:50,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185722381] [2022-09-16 10:39:50,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185722381] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:50,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:50,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:39:50,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621658330] [2022-09-16 10:39:50,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:50,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:39:50,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:50,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:39:50,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:39:50,202 INFO L87 Difference]: Start difference. First operand 22013 states and 62391 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:53,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:53,284 INFO L93 Difference]: Finished difference Result 66295 states and 183286 transitions. [2022-09-16 10:39:53,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:39:53,284 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:39:53,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:53,434 INFO L225 Difference]: With dead ends: 66295 [2022-09-16 10:39:53,434 INFO L226 Difference]: Without dead ends: 66295 [2022-09-16 10:39:53,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:39:53,435 INFO L413 NwaCegarLoop]: 642 mSDtfsCounter, 2249 mSDsluCounter, 5553 mSDsCounter, 0 mSdLazyCounter, 1372 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2249 SdHoareTripleChecker+Valid, 6146 SdHoareTripleChecker+Invalid, 1392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:53,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2249 Valid, 6146 Invalid, 1392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1372 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-09-16 10:39:53,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66295 states. [2022-09-16 10:39:54,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66295 to 21968. [2022-09-16 10:39:54,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21968 states, 21924 states have (on average 2.839673417259624) internal successors, (62257), 21967 states have internal predecessors, (62257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:54,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21968 states to 21968 states and 62257 transitions. [2022-09-16 10:39:54,272 INFO L78 Accepts]: Start accepts. Automaton has 21968 states and 62257 transitions. Word has length 86 [2022-09-16 10:39:54,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:54,272 INFO L495 AbstractCegarLoop]: Abstraction has 21968 states and 62257 transitions. [2022-09-16 10:39:54,272 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:54,272 INFO L276 IsEmpty]: Start isEmpty. Operand 21968 states and 62257 transitions. [2022-09-16 10:39:54,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:39:54,276 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:54,276 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:54,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-09-16 10:39:54,276 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:54,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:54,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1742081448, now seen corresponding path program 50 times [2022-09-16 10:39:54,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:54,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132935463] [2022-09-16 10:39:54,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:54,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:54,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:54,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:54,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132935463] [2022-09-16 10:39:54,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132935463] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:54,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:54,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:39:54,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956947572] [2022-09-16 10:39:54,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:54,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:39:54,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:54,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:39:54,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:39:54,682 INFO L87 Difference]: Start difference. First operand 21968 states and 62257 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:57,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:57,720 INFO L93 Difference]: Finished difference Result 57460 states and 159009 transitions. [2022-09-16 10:39:57,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:39:57,720 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:39:57,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:57,999 INFO L225 Difference]: With dead ends: 57460 [2022-09-16 10:39:57,999 INFO L226 Difference]: Without dead ends: 57460 [2022-09-16 10:39:57,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:39:58,000 INFO L413 NwaCegarLoop]: 639 mSDtfsCounter, 2028 mSDsluCounter, 6074 mSDsCounter, 0 mSdLazyCounter, 1460 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2028 SdHoareTripleChecker+Valid, 6674 SdHoareTripleChecker+Invalid, 1475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:58,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2028 Valid, 6674 Invalid, 1475 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [15 Valid, 1460 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:39:58,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57460 states. [2022-09-16 10:39:58,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57460 to 21878. [2022-09-16 10:39:58,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21878 states, 21834 states have (on average 2.8391041494916185) internal successors, (61989), 21877 states have internal predecessors, (61989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:58,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21878 states to 21878 states and 61989 transitions. [2022-09-16 10:39:58,788 INFO L78 Accepts]: Start accepts. Automaton has 21878 states and 61989 transitions. Word has length 86 [2022-09-16 10:39:58,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:58,788 INFO L495 AbstractCegarLoop]: Abstraction has 21878 states and 61989 transitions. [2022-09-16 10:39:58,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:58,788 INFO L276 IsEmpty]: Start isEmpty. Operand 21878 states and 61989 transitions. [2022-09-16 10:39:58,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:39:58,791 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:58,791 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:58,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-09-16 10:39:58,791 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:58,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:58,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1061467434, now seen corresponding path program 51 times [2022-09-16 10:39:58,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:58,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726871814] [2022-09-16 10:39:58,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:58,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:59,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:59,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:59,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726871814] [2022-09-16 10:39:59,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726871814] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:59,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:59,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:39:59,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388592792] [2022-09-16 10:39:59,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:59,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:39:59,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:59,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:39:59,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:39:59,170 INFO L87 Difference]: Start difference. First operand 21878 states and 61989 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:02,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:02,131 INFO L93 Difference]: Finished difference Result 56716 states and 156895 transitions. [2022-09-16 10:40:02,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:40:02,131 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:40:02,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:02,259 INFO L225 Difference]: With dead ends: 56716 [2022-09-16 10:40:02,259 INFO L226 Difference]: Without dead ends: 56716 [2022-09-16 10:40:02,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:40:02,260 INFO L413 NwaCegarLoop]: 658 mSDtfsCounter, 2087 mSDsluCounter, 5644 mSDsCounter, 0 mSdLazyCounter, 1298 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2087 SdHoareTripleChecker+Valid, 6255 SdHoareTripleChecker+Invalid, 1310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:02,260 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2087 Valid, 6255 Invalid, 1310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1298 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:40:02,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56716 states. [2022-09-16 10:40:02,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56716 to 21968. [2022-09-16 10:40:02,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21968 states, 21924 states have (on average 2.839673417259624) internal successors, (62257), 21967 states have internal predecessors, (62257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:02,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21968 states to 21968 states and 62257 transitions. [2022-09-16 10:40:02,952 INFO L78 Accepts]: Start accepts. Automaton has 21968 states and 62257 transitions. Word has length 86 [2022-09-16 10:40:02,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:02,952 INFO L495 AbstractCegarLoop]: Abstraction has 21968 states and 62257 transitions. [2022-09-16 10:40:02,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:02,952 INFO L276 IsEmpty]: Start isEmpty. Operand 21968 states and 62257 transitions. [2022-09-16 10:40:02,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:40:02,955 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:02,955 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:02,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-09-16 10:40:02,955 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:02,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:02,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1636512588, now seen corresponding path program 52 times [2022-09-16 10:40:02,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:02,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091228950] [2022-09-16 10:40:02,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:02,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:03,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:03,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:03,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091228950] [2022-09-16 10:40:03,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091228950] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:03,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:03,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:40:03,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379030289] [2022-09-16 10:40:03,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:03,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:40:03,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:03,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:40:03,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:40:03,338 INFO L87 Difference]: Start difference. First operand 21968 states and 62257 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:06,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:06,372 INFO L93 Difference]: Finished difference Result 58944 states and 162014 transitions. [2022-09-16 10:40:06,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:40:06,373 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:40:06,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:06,527 INFO L225 Difference]: With dead ends: 58944 [2022-09-16 10:40:06,527 INFO L226 Difference]: Without dead ends: 58944 [2022-09-16 10:40:06,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:40:06,527 INFO L413 NwaCegarLoop]: 664 mSDtfsCounter, 1969 mSDsluCounter, 5808 mSDsCounter, 0 mSdLazyCounter, 1352 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1969 SdHoareTripleChecker+Valid, 6417 SdHoareTripleChecker+Invalid, 1367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:06,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1969 Valid, 6417 Invalid, 1367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1352 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:40:06,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58944 states. [2022-09-16 10:40:07,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58944 to 21923. [2022-09-16 10:40:07,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21923 states, 21879 states have (on average 2.8393893688011334) internal successors, (62123), 21922 states have internal predecessors, (62123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:07,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21923 states to 21923 states and 62123 transitions. [2022-09-16 10:40:07,292 INFO L78 Accepts]: Start accepts. Automaton has 21923 states and 62123 transitions. Word has length 86 [2022-09-16 10:40:07,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:07,292 INFO L495 AbstractCegarLoop]: Abstraction has 21923 states and 62123 transitions. [2022-09-16 10:40:07,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:07,292 INFO L276 IsEmpty]: Start isEmpty. Operand 21923 states and 62123 transitions. [2022-09-16 10:40:07,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:40:07,295 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:07,295 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:07,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-09-16 10:40:07,295 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:07,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:07,296 INFO L85 PathProgramCache]: Analyzing trace with hash 568678760, now seen corresponding path program 53 times [2022-09-16 10:40:07,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:07,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730069243] [2022-09-16 10:40:07,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:07,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:07,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:07,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:07,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730069243] [2022-09-16 10:40:07,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730069243] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:07,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:07,698 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:40:07,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640000074] [2022-09-16 10:40:07,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:07,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:40:07,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:07,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:40:07,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:40:07,700 INFO L87 Difference]: Start difference. First operand 21923 states and 62123 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:10,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:10,762 INFO L93 Difference]: Finished difference Result 57047 states and 156979 transitions. [2022-09-16 10:40:10,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:40:10,763 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:40:10,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:11,047 INFO L225 Difference]: With dead ends: 57047 [2022-09-16 10:40:11,047 INFO L226 Difference]: Without dead ends: 57047 [2022-09-16 10:40:11,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:40:11,048 INFO L413 NwaCegarLoop]: 656 mSDtfsCounter, 1951 mSDsluCounter, 6212 mSDsCounter, 0 mSdLazyCounter, 1455 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1951 SdHoareTripleChecker+Valid, 6807 SdHoareTripleChecker+Invalid, 1470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:11,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1951 Valid, 6807 Invalid, 1470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1455 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:40:11,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57047 states. [2022-09-16 10:40:11,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57047 to 21968. [2022-09-16 10:40:11,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21968 states, 21924 states have (on average 2.839673417259624) internal successors, (62257), 21967 states have internal predecessors, (62257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:11,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21968 states to 21968 states and 62257 transitions. [2022-09-16 10:40:11,617 INFO L78 Accepts]: Start accepts. Automaton has 21968 states and 62257 transitions. Word has length 86 [2022-09-16 10:40:11,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:11,617 INFO L495 AbstractCegarLoop]: Abstraction has 21968 states and 62257 transitions. [2022-09-16 10:40:11,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:11,617 INFO L276 IsEmpty]: Start isEmpty. Operand 21968 states and 62257 transitions. [2022-09-16 10:40:11,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:40:11,621 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:11,621 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:11,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-09-16 10:40:11,621 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:11,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:11,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1538925714, now seen corresponding path program 54 times [2022-09-16 10:40:11,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:11,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359599631] [2022-09-16 10:40:11,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:11,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:11,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:12,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:12,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:12,188 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359599631] [2022-09-16 10:40:12,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359599631] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:12,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:12,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-09-16 10:40:12,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865271177] [2022-09-16 10:40:12,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:12,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:40:12,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:12,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:40:12,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:40:12,189 INFO L87 Difference]: Start difference. First operand 21968 states and 62257 transitions. Second operand has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:15,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:15,130 INFO L93 Difference]: Finished difference Result 47878 states and 132084 transitions. [2022-09-16 10:40:15,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:40:15,130 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:40:15,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:15,228 INFO L225 Difference]: With dead ends: 47878 [2022-09-16 10:40:15,229 INFO L226 Difference]: Without dead ends: 47878 [2022-09-16 10:40:15,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 507 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=655, Invalid=2207, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:40:15,229 INFO L413 NwaCegarLoop]: 651 mSDtfsCounter, 2073 mSDsluCounter, 6223 mSDsCounter, 0 mSdLazyCounter, 1374 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2073 SdHoareTripleChecker+Valid, 6816 SdHoareTripleChecker+Invalid, 1394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:15,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2073 Valid, 6816 Invalid, 1394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1374 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:40:15,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47878 states. [2022-09-16 10:40:15,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47878 to 21788. [2022-09-16 10:40:15,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21788 states, 21744 states have (on average 2.8385301692420897) internal successors, (61721), 21787 states have internal predecessors, (61721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:15,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21788 states to 21788 states and 61721 transitions. [2022-09-16 10:40:15,728 INFO L78 Accepts]: Start accepts. Automaton has 21788 states and 61721 transitions. Word has length 86 [2022-09-16 10:40:15,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:15,728 INFO L495 AbstractCegarLoop]: Abstraction has 21788 states and 61721 transitions. [2022-09-16 10:40:15,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:15,728 INFO L276 IsEmpty]: Start isEmpty. Operand 21788 states and 61721 transitions. [2022-09-16 10:40:15,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:40:15,732 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:15,732 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:15,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-09-16 10:40:15,732 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:15,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:15,732 INFO L85 PathProgramCache]: Analyzing trace with hash -505315702, now seen corresponding path program 55 times [2022-09-16 10:40:15,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:15,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392030866] [2022-09-16 10:40:15,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:15,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:16,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:16,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:16,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392030866] [2022-09-16 10:40:16,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392030866] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:16,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:16,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:40:16,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521310528] [2022-09-16 10:40:16,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:16,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:40:16,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:16,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:40:16,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:40:16,225 INFO L87 Difference]: Start difference. First operand 21788 states and 61721 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:19,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:19,238 INFO L93 Difference]: Finished difference Result 67262 states and 186500 transitions. [2022-09-16 10:40:19,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:40:19,239 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:40:19,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:19,393 INFO L225 Difference]: With dead ends: 67262 [2022-09-16 10:40:19,393 INFO L226 Difference]: Without dead ends: 67262 [2022-09-16 10:40:19,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:40:19,394 INFO L413 NwaCegarLoop]: 650 mSDtfsCounter, 2182 mSDsluCounter, 5675 mSDsCounter, 0 mSdLazyCounter, 1383 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2182 SdHoareTripleChecker+Valid, 6285 SdHoareTripleChecker+Invalid, 1396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:19,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2182 Valid, 6285 Invalid, 1396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1383 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:40:19,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67262 states. [2022-09-16 10:40:20,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67262 to 21968. [2022-09-16 10:40:20,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21968 states, 21924 states have (on average 2.839673417259624) internal successors, (62257), 21967 states have internal predecessors, (62257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:20,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21968 states to 21968 states and 62257 transitions. [2022-09-16 10:40:20,169 INFO L78 Accepts]: Start accepts. Automaton has 21968 states and 62257 transitions. Word has length 86 [2022-09-16 10:40:20,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:20,169 INFO L495 AbstractCegarLoop]: Abstraction has 21968 states and 62257 transitions. [2022-09-16 10:40:20,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:20,169 INFO L276 IsEmpty]: Start isEmpty. Operand 21968 states and 62257 transitions. [2022-09-16 10:40:20,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:40:20,172 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:20,172 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:20,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-09-16 10:40:20,172 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:20,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:20,173 INFO L85 PathProgramCache]: Analyzing trace with hash 69729452, now seen corresponding path program 56 times [2022-09-16 10:40:20,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:20,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220628454] [2022-09-16 10:40:20,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:20,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:20,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:20,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:20,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220628454] [2022-09-16 10:40:20,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220628454] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:20,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:20,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:40:20,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777759926] [2022-09-16 10:40:20,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:20,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:40:20,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:20,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:40:20,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:40:20,577 INFO L87 Difference]: Start difference. First operand 21968 states and 62257 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:23,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:23,705 INFO L93 Difference]: Finished difference Result 63191 states and 173417 transitions. [2022-09-16 10:40:23,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:40:23,706 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:40:23,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:23,850 INFO L225 Difference]: With dead ends: 63191 [2022-09-16 10:40:23,850 INFO L226 Difference]: Without dead ends: 63191 [2022-09-16 10:40:23,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:40:23,851 INFO L413 NwaCegarLoop]: 652 mSDtfsCounter, 2314 mSDsluCounter, 6074 mSDsCounter, 0 mSdLazyCounter, 1557 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2314 SdHoareTripleChecker+Valid, 6673 SdHoareTripleChecker+Invalid, 1577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:23,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2314 Valid, 6673 Invalid, 1577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1557 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:40:23,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63191 states. [2022-09-16 10:40:24,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63191 to 21923. [2022-09-16 10:40:24,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21923 states, 21879 states have (on average 2.8393893688011334) internal successors, (62123), 21922 states have internal predecessors, (62123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:24,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21923 states to 21923 states and 62123 transitions. [2022-09-16 10:40:24,575 INFO L78 Accepts]: Start accepts. Automaton has 21923 states and 62123 transitions. Word has length 86 [2022-09-16 10:40:24,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:24,575 INFO L495 AbstractCegarLoop]: Abstraction has 21923 states and 62123 transitions. [2022-09-16 10:40:24,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:24,575 INFO L276 IsEmpty]: Start isEmpty. Operand 21923 states and 62123 transitions. [2022-09-16 10:40:24,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:40:24,579 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:24,579 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:24,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-09-16 10:40:24,579 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:24,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:24,580 INFO L85 PathProgramCache]: Analyzing trace with hash -510567254, now seen corresponding path program 57 times [2022-09-16 10:40:24,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:24,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376422506] [2022-09-16 10:40:24,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:24,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:24,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:24,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:24,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376422506] [2022-09-16 10:40:24,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376422506] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:24,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:24,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:40:24,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037787238] [2022-09-16 10:40:24,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:24,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:40:24,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:24,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:40:24,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:40:24,979 INFO L87 Difference]: Start difference. First operand 21923 states and 62123 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:28,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:28,040 INFO L93 Difference]: Finished difference Result 63603 states and 175128 transitions. [2022-09-16 10:40:28,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:40:28,040 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:40:28,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:28,182 INFO L225 Difference]: With dead ends: 63603 [2022-09-16 10:40:28,183 INFO L226 Difference]: Without dead ends: 63603 [2022-09-16 10:40:28,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:40:28,183 INFO L413 NwaCegarLoop]: 644 mSDtfsCounter, 1874 mSDsluCounter, 6141 mSDsCounter, 0 mSdLazyCounter, 1484 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1874 SdHoareTripleChecker+Valid, 6747 SdHoareTripleChecker+Invalid, 1493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:28,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1874 Valid, 6747 Invalid, 1493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1484 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:40:28,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63603 states. [2022-09-16 10:40:28,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63603 to 21833. [2022-09-16 10:40:28,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21833 states, 21789 states have (on average 2.838817752076736) internal successors, (61855), 21832 states have internal predecessors, (61855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:28,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21833 states to 21833 states and 61855 transitions. [2022-09-16 10:40:28,949 INFO L78 Accepts]: Start accepts. Automaton has 21833 states and 61855 transitions. Word has length 86 [2022-09-16 10:40:28,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:28,949 INFO L495 AbstractCegarLoop]: Abstraction has 21833 states and 61855 transitions. [2022-09-16 10:40:28,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:28,949 INFO L276 IsEmpty]: Start isEmpty. Operand 21833 states and 61855 transitions. [2022-09-16 10:40:28,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:40:28,952 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:28,952 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:28,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-09-16 10:40:28,953 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:28,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:28,953 INFO L85 PathProgramCache]: Analyzing trace with hash 826490760, now seen corresponding path program 58 times [2022-09-16 10:40:28,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:28,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034757209] [2022-09-16 10:40:28,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:28,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:29,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:29,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:29,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034757209] [2022-09-16 10:40:29,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034757209] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:29,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:29,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:40:29,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683616689] [2022-09-16 10:40:29,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:29,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:40:29,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:29,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:40:29,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:40:29,364 INFO L87 Difference]: Start difference. First operand 21833 states and 61855 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:32,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:32,341 INFO L93 Difference]: Finished difference Result 51559 states and 142294 transitions. [2022-09-16 10:40:32,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:40:32,342 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:40:32,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:32,448 INFO L225 Difference]: With dead ends: 51559 [2022-09-16 10:40:32,448 INFO L226 Difference]: Without dead ends: 51559 [2022-09-16 10:40:32,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 494 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:40:32,449 INFO L413 NwaCegarLoop]: 631 mSDtfsCounter, 1775 mSDsluCounter, 5938 mSDsCounter, 0 mSdLazyCounter, 1453 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1775 SdHoareTripleChecker+Valid, 6538 SdHoareTripleChecker+Invalid, 1464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:32,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1775 Valid, 6538 Invalid, 1464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1453 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:40:32,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51559 states. [2022-09-16 10:40:33,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51559 to 21743. [2022-09-16 10:40:33,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21743 states, 21699 states have (on average 2.8382413936126087) internal successors, (61587), 21742 states have internal predecessors, (61587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:33,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21743 states to 21743 states and 61587 transitions. [2022-09-16 10:40:33,095 INFO L78 Accepts]: Start accepts. Automaton has 21743 states and 61587 transitions. Word has length 86 [2022-09-16 10:40:33,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:33,095 INFO L495 AbstractCegarLoop]: Abstraction has 21743 states and 61587 transitions. [2022-09-16 10:40:33,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:33,095 INFO L276 IsEmpty]: Start isEmpty. Operand 21743 states and 61587 transitions. [2022-09-16 10:40:33,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:40:33,098 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:33,098 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:33,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-09-16 10:40:33,099 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:33,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:33,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1830104346, now seen corresponding path program 59 times [2022-09-16 10:40:33,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:33,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241346241] [2022-09-16 10:40:33,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:33,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:33,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:33,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:33,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241346241] [2022-09-16 10:40:33,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241346241] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:33,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:33,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:40:33,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279531613] [2022-09-16 10:40:33,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:33,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:40:33,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:33,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:40:33,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:40:33,491 INFO L87 Difference]: Start difference. First operand 21743 states and 61587 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:36,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:36,546 INFO L93 Difference]: Finished difference Result 50498 states and 140448 transitions. [2022-09-16 10:40:36,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:40:36,546 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:40:36,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:36,665 INFO L225 Difference]: With dead ends: 50498 [2022-09-16 10:40:36,665 INFO L226 Difference]: Without dead ends: 50498 [2022-09-16 10:40:36,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:40:36,666 INFO L413 NwaCegarLoop]: 632 mSDtfsCounter, 2006 mSDsluCounter, 5956 mSDsCounter, 0 mSdLazyCounter, 1499 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2006 SdHoareTripleChecker+Valid, 6546 SdHoareTripleChecker+Invalid, 1511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:36,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2006 Valid, 6546 Invalid, 1511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1499 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:40:36,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50498 states. [2022-09-16 10:40:37,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50498 to 21968. [2022-09-16 10:40:37,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21968 states, 21924 states have (on average 2.839673417259624) internal successors, (62257), 21967 states have internal predecessors, (62257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:37,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21968 states to 21968 states and 62257 transitions. [2022-09-16 10:40:37,353 INFO L78 Accepts]: Start accepts. Automaton has 21968 states and 62257 transitions. Word has length 86 [2022-09-16 10:40:37,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:37,353 INFO L495 AbstractCegarLoop]: Abstraction has 21968 states and 62257 transitions. [2022-09-16 10:40:37,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:37,353 INFO L276 IsEmpty]: Start isEmpty. Operand 21968 states and 62257 transitions. [2022-09-16 10:40:37,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:40:37,356 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:37,356 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:37,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-09-16 10:40:37,357 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:37,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:37,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1255059192, now seen corresponding path program 60 times [2022-09-16 10:40:37,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:37,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430104715] [2022-09-16 10:40:37,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:37,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:37,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:37,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:37,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430104715] [2022-09-16 10:40:37,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430104715] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:37,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:37,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:40:37,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674359618] [2022-09-16 10:40:37,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:37,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:40:37,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:37,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:40:37,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:40:37,811 INFO L87 Difference]: Start difference. First operand 21968 states and 62257 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:40,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:40,834 INFO L93 Difference]: Finished difference Result 46427 states and 127365 transitions. [2022-09-16 10:40:40,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:40:40,835 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:40:40,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:40,921 INFO L225 Difference]: With dead ends: 46427 [2022-09-16 10:40:40,921 INFO L226 Difference]: Without dead ends: 46427 [2022-09-16 10:40:40,922 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:40:40,922 INFO L413 NwaCegarLoop]: 634 mSDtfsCounter, 1963 mSDsluCounter, 5514 mSDsCounter, 0 mSdLazyCounter, 1421 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1963 SdHoareTripleChecker+Valid, 6102 SdHoareTripleChecker+Invalid, 1440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:40,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1963 Valid, 6102 Invalid, 1440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1421 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:40:40,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46427 states. [2022-09-16 10:40:41,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46427 to 21923. [2022-09-16 10:40:41,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21923 states, 21879 states have (on average 2.8393893688011334) internal successors, (62123), 21922 states have internal predecessors, (62123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:41,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21923 states to 21923 states and 62123 transitions. [2022-09-16 10:40:41,629 INFO L78 Accepts]: Start accepts. Automaton has 21923 states and 62123 transitions. Word has length 86 [2022-09-16 10:40:41,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:41,629 INFO L495 AbstractCegarLoop]: Abstraction has 21923 states and 62123 transitions. [2022-09-16 10:40:41,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:41,629 INFO L276 IsEmpty]: Start isEmpty. Operand 21923 states and 62123 transitions. [2022-09-16 10:40:41,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:40:41,632 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:41,632 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:41,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-09-16 10:40:41,633 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:41,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:41,633 INFO L85 PathProgramCache]: Analyzing trace with hash -1835355898, now seen corresponding path program 61 times [2022-09-16 10:40:41,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:41,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718147678] [2022-09-16 10:40:41,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:41,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:42,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:42,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:42,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718147678] [2022-09-16 10:40:42,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718147678] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:42,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:42,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:40:42,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882459559] [2022-09-16 10:40:42,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:42,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:40:42,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:42,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:40:42,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:40:42,039 INFO L87 Difference]: Start difference. First operand 21923 states and 62123 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:45,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:45,018 INFO L93 Difference]: Finished difference Result 46839 states and 129076 transitions. [2022-09-16 10:40:45,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:40:45,019 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:40:45,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:45,122 INFO L225 Difference]: With dead ends: 46839 [2022-09-16 10:40:45,122 INFO L226 Difference]: Without dead ends: 46839 [2022-09-16 10:40:45,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 495 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:40:45,123 INFO L413 NwaCegarLoop]: 626 mSDtfsCounter, 1996 mSDsluCounter, 5537 mSDsCounter, 0 mSdLazyCounter, 1381 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1996 SdHoareTripleChecker+Valid, 6130 SdHoareTripleChecker+Invalid, 1393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:45,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1996 Valid, 6130 Invalid, 1393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1381 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:40:45,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46839 states. [2022-09-16 10:40:45,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46839 to 21833. [2022-09-16 10:40:45,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21833 states, 21789 states have (on average 2.838817752076736) internal successors, (61855), 21832 states have internal predecessors, (61855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:45,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21833 states to 21833 states and 61855 transitions. [2022-09-16 10:40:45,615 INFO L78 Accepts]: Start accepts. Automaton has 21833 states and 61855 transitions. Word has length 86 [2022-09-16 10:40:45,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:45,615 INFO L495 AbstractCegarLoop]: Abstraction has 21833 states and 61855 transitions. [2022-09-16 10:40:45,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:45,616 INFO L276 IsEmpty]: Start isEmpty. Operand 21833 states and 61855 transitions. [2022-09-16 10:40:45,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:40:45,619 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:45,619 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:45,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-09-16 10:40:45,619 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:45,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:45,620 INFO L85 PathProgramCache]: Analyzing trace with hash -498297884, now seen corresponding path program 62 times [2022-09-16 10:40:45,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:45,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977344960] [2022-09-16 10:40:45,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:45,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:46,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:46,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:46,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977344960] [2022-09-16 10:40:46,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977344960] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:46,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:46,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:40:46,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365752373] [2022-09-16 10:40:46,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:46,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:40:46,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:46,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:40:46,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:40:46,099 INFO L87 Difference]: Start difference. First operand 21833 states and 61855 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:48,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:48,922 INFO L93 Difference]: Finished difference Result 48231 states and 133216 transitions. [2022-09-16 10:40:48,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:40:48,927 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:40:48,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:49,131 INFO L225 Difference]: With dead ends: 48231 [2022-09-16 10:40:49,131 INFO L226 Difference]: Without dead ends: 48231 [2022-09-16 10:40:49,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 494 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:40:49,132 INFO L413 NwaCegarLoop]: 625 mSDtfsCounter, 1930 mSDsluCounter, 5651 mSDsCounter, 0 mSdLazyCounter, 1404 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1930 SdHoareTripleChecker+Valid, 6249 SdHoareTripleChecker+Invalid, 1415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:49,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1930 Valid, 6249 Invalid, 1415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1404 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:40:49,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48231 states. [2022-09-16 10:40:49,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48231 to 21788. [2022-09-16 10:40:49,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21788 states, 21744 states have (on average 2.8385301692420897) internal successors, (61721), 21787 states have internal predecessors, (61721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:49,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21788 states to 21788 states and 61721 transitions. [2022-09-16 10:40:49,823 INFO L78 Accepts]: Start accepts. Automaton has 21788 states and 61721 transitions. Word has length 86 [2022-09-16 10:40:49,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:49,823 INFO L495 AbstractCegarLoop]: Abstraction has 21788 states and 61721 transitions. [2022-09-16 10:40:49,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:49,823 INFO L276 IsEmpty]: Start isEmpty. Operand 21788 states and 61721 transitions. [2022-09-16 10:40:49,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:40:49,827 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:49,827 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:49,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-09-16 10:40:49,827 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:49,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:49,828 INFO L85 PathProgramCache]: Analyzing trace with hash 699049258, now seen corresponding path program 63 times [2022-09-16 10:40:49,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:49,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495929089] [2022-09-16 10:40:49,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:49,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:50,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:50,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:50,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495929089] [2022-09-16 10:40:50,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495929089] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:50,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:50,329 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:40:50,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991483568] [2022-09-16 10:40:50,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:50,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:40:50,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:50,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:40:50,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:40:50,330 INFO L87 Difference]: Start difference. First operand 21788 states and 61721 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:53,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:53,151 INFO L93 Difference]: Finished difference Result 34610 states and 95741 transitions. [2022-09-16 10:40:53,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:40:53,151 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:40:53,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:53,256 INFO L225 Difference]: With dead ends: 34610 [2022-09-16 10:40:53,256 INFO L226 Difference]: Without dead ends: 34610 [2022-09-16 10:40:53,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 493 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=648, Invalid=2108, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:40:53,257 INFO L413 NwaCegarLoop]: 614 mSDtfsCounter, 1923 mSDsluCounter, 5535 mSDsCounter, 0 mSdLazyCounter, 1380 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1923 SdHoareTripleChecker+Valid, 6129 SdHoareTripleChecker+Invalid, 1394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:53,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1923 Valid, 6129 Invalid, 1394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1380 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:40:53,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34610 states. [2022-09-16 10:40:53,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34610 to 21698. [2022-09-16 10:40:53,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21698 states, 21654 states have (on average 2.8379514177519165) internal successors, (61453), 21697 states have internal predecessors, (61453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:53,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21698 states to 21698 states and 61453 transitions. [2022-09-16 10:40:53,828 INFO L78 Accepts]: Start accepts. Automaton has 21698 states and 61453 transitions. Word has length 86 [2022-09-16 10:40:53,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:53,828 INFO L495 AbstractCegarLoop]: Abstraction has 21698 states and 61453 transitions. [2022-09-16 10:40:53,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:53,828 INFO L276 IsEmpty]: Start isEmpty. Operand 21698 states and 61453 transitions. [2022-09-16 10:40:53,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:40:53,832 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:53,832 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:53,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-09-16 10:40:53,832 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:53,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:53,832 INFO L85 PathProgramCache]: Analyzing trace with hash 2035037188, now seen corresponding path program 64 times [2022-09-16 10:40:53,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:53,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351260569] [2022-09-16 10:40:53,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:53,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:54,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:54,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:54,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351260569] [2022-09-16 10:40:54,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351260569] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:54,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:54,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:40:54,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311675170] [2022-09-16 10:40:54,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:54,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:40:54,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:54,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:40:54,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:40:54,233 INFO L87 Difference]: Start difference. First operand 21698 states and 61453 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:57,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:57,449 INFO L93 Difference]: Finished difference Result 102266 states and 288155 transitions. [2022-09-16 10:40:57,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:40:57,450 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:40:57,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:57,802 INFO L225 Difference]: With dead ends: 102266 [2022-09-16 10:40:57,802 INFO L226 Difference]: Without dead ends: 102266 [2022-09-16 10:40:57,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:40:57,803 INFO L413 NwaCegarLoop]: 623 mSDtfsCounter, 2590 mSDsluCounter, 5818 mSDsCounter, 0 mSdLazyCounter, 1441 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2590 SdHoareTripleChecker+Valid, 6393 SdHoareTripleChecker+Invalid, 1455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:57,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2590 Valid, 6393 Invalid, 1455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1441 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-09-16 10:40:58,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102266 states. [2022-09-16 10:40:58,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102266 to 22193. [2022-09-16 10:40:58,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22193 states, 22149 states have (on average 2.8410763465619215) internal successors, (62927), 22192 states have internal predecessors, (62927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:58,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22193 states to 22193 states and 62927 transitions. [2022-09-16 10:40:58,951 INFO L78 Accepts]: Start accepts. Automaton has 22193 states and 62927 transitions. Word has length 86 [2022-09-16 10:40:58,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:58,951 INFO L495 AbstractCegarLoop]: Abstraction has 22193 states and 62927 transitions. [2022-09-16 10:40:58,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:58,951 INFO L276 IsEmpty]: Start isEmpty. Operand 22193 states and 62927 transitions. [2022-09-16 10:40:58,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:40:58,955 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:58,955 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:58,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-09-16 10:40:58,956 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:58,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:58,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1684884954, now seen corresponding path program 65 times [2022-09-16 10:40:58,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:58,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435060911] [2022-09-16 10:40:58,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:58,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:58,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:59,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:59,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:59,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435060911] [2022-09-16 10:40:59,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435060911] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:59,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:59,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:40:59,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873197922] [2022-09-16 10:40:59,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:59,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:40:59,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:59,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:40:59,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:40:59,465 INFO L87 Difference]: Start difference. First operand 22193 states and 62927 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:02,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:02,514 INFO L93 Difference]: Finished difference Result 98195 states and 275072 transitions. [2022-09-16 10:41:02,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:41:02,514 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:41:02,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:02,976 INFO L225 Difference]: With dead ends: 98195 [2022-09-16 10:41:02,976 INFO L226 Difference]: Without dead ends: 98195 [2022-09-16 10:41:02,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:41:02,977 INFO L413 NwaCegarLoop]: 625 mSDtfsCounter, 2440 mSDsluCounter, 5418 mSDsCounter, 0 mSdLazyCounter, 1371 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2440 SdHoareTripleChecker+Valid, 5991 SdHoareTripleChecker+Invalid, 1391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:02,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2440 Valid, 5991 Invalid, 1391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1371 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:41:03,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98195 states. [2022-09-16 10:41:03,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98195 to 22148. [2022-09-16 10:41:03,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22148 states, 22104 states have (on average 2.840798045602606) internal successors, (62793), 22147 states have internal predecessors, (62793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:03,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22148 states to 22148 states and 62793 transitions. [2022-09-16 10:41:03,990 INFO L78 Accepts]: Start accepts. Automaton has 22148 states and 62793 transitions. Word has length 86 [2022-09-16 10:41:03,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:03,991 INFO L495 AbstractCegarLoop]: Abstraction has 22148 states and 62793 transitions. [2022-09-16 10:41:03,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:03,991 INFO L276 IsEmpty]: Start isEmpty. Operand 22148 states and 62793 transitions. [2022-09-16 10:41:03,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:41:03,995 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:03,995 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:03,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-09-16 10:41:03,995 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:03,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:03,995 INFO L85 PathProgramCache]: Analyzing trace with hash 2029785636, now seen corresponding path program 66 times [2022-09-16 10:41:03,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:03,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363775166] [2022-09-16 10:41:03,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:03,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:04,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:04,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:04,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:04,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363775166] [2022-09-16 10:41:04,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363775166] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:04,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:04,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:41:04,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339103733] [2022-09-16 10:41:04,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:04,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:41:04,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:04,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:41:04,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:41:04,394 INFO L87 Difference]: Start difference. First operand 22148 states and 62793 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:07,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:07,555 INFO L93 Difference]: Finished difference Result 89360 states and 250795 transitions. [2022-09-16 10:41:07,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:41:07,555 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:41:07,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:07,761 INFO L225 Difference]: With dead ends: 89360 [2022-09-16 10:41:07,761 INFO L226 Difference]: Without dead ends: 89360 [2022-09-16 10:41:07,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 488 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:41:07,762 INFO L413 NwaCegarLoop]: 622 mSDtfsCounter, 2246 mSDsluCounter, 5512 mSDsCounter, 0 mSdLazyCounter, 1346 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2246 SdHoareTripleChecker+Valid, 6095 SdHoareTripleChecker+Invalid, 1361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:07,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2246 Valid, 6095 Invalid, 1361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1346 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:41:08,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89360 states. [2022-09-16 10:41:08,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89360 to 22058. [2022-09-16 10:41:08,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22058 states, 22014 states have (on average 2.8402380303443264) internal successors, (62525), 22057 states have internal predecessors, (62525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:08,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22058 states to 22058 states and 62525 transitions. [2022-09-16 10:41:08,893 INFO L78 Accepts]: Start accepts. Automaton has 22058 states and 62525 transitions. Word has length 86 [2022-09-16 10:41:08,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:08,894 INFO L495 AbstractCegarLoop]: Abstraction has 22058 states and 62525 transitions. [2022-09-16 10:41:08,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:08,894 INFO L276 IsEmpty]: Start isEmpty. Operand 22058 states and 62525 transitions. [2022-09-16 10:41:08,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:41:08,898 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:08,898 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:08,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-09-16 10:41:08,898 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:08,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:08,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1349171622, now seen corresponding path program 67 times [2022-09-16 10:41:08,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:08,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453836432] [2022-09-16 10:41:08,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:08,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:09,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:09,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:09,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453836432] [2022-09-16 10:41:09,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453836432] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:09,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:09,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:41:09,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948842578] [2022-09-16 10:41:09,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:09,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:41:09,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:09,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:41:09,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:41:09,282 INFO L87 Difference]: Start difference. First operand 22058 states and 62525 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:12,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:12,380 INFO L93 Difference]: Finished difference Result 88616 states and 248681 transitions. [2022-09-16 10:41:12,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:41:12,380 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:41:12,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:12,727 INFO L225 Difference]: With dead ends: 88616 [2022-09-16 10:41:12,728 INFO L226 Difference]: Without dead ends: 88616 [2022-09-16 10:41:12,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:41:12,728 INFO L413 NwaCegarLoop]: 641 mSDtfsCounter, 2091 mSDsluCounter, 5540 mSDsCounter, 0 mSdLazyCounter, 1304 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2091 SdHoareTripleChecker+Valid, 6131 SdHoareTripleChecker+Invalid, 1316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:12,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2091 Valid, 6131 Invalid, 1316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1304 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:41:12,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88616 states. [2022-09-16 10:41:13,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88616 to 22148. [2022-09-16 10:41:13,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22148 states, 22104 states have (on average 2.840798045602606) internal successors, (62793), 22147 states have internal predecessors, (62793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:13,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22148 states to 22148 states and 62793 transitions. [2022-09-16 10:41:13,740 INFO L78 Accepts]: Start accepts. Automaton has 22148 states and 62793 transitions. Word has length 86 [2022-09-16 10:41:13,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:13,740 INFO L495 AbstractCegarLoop]: Abstraction has 22148 states and 62793 transitions. [2022-09-16 10:41:13,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:13,741 INFO L276 IsEmpty]: Start isEmpty. Operand 22148 states and 62793 transitions. [2022-09-16 10:41:13,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:41:13,746 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:13,746 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:13,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-09-16 10:41:13,746 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:13,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:13,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1924216776, now seen corresponding path program 68 times [2022-09-16 10:41:13,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:13,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378389878] [2022-09-16 10:41:13,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:13,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:14,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:14,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:14,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378389878] [2022-09-16 10:41:14,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378389878] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:14,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:14,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:41:14,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968441244] [2022-09-16 10:41:14,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:14,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:41:14,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:14,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:41:14,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:41:14,292 INFO L87 Difference]: Start difference. First operand 22148 states and 62793 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:17,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:17,441 INFO L93 Difference]: Finished difference Result 90844 states and 253800 transitions. [2022-09-16 10:41:17,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:41:17,442 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:41:17,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:17,656 INFO L225 Difference]: With dead ends: 90844 [2022-09-16 10:41:17,657 INFO L226 Difference]: Without dead ends: 90844 [2022-09-16 10:41:17,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:41:17,657 INFO L413 NwaCegarLoop]: 647 mSDtfsCounter, 2502 mSDsluCounter, 5487 mSDsCounter, 0 mSdLazyCounter, 1337 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2502 SdHoareTripleChecker+Valid, 6076 SdHoareTripleChecker+Invalid, 1355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:17,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2502 Valid, 6076 Invalid, 1355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1337 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:41:17,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90844 states. [2022-09-16 10:41:18,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90844 to 22103. [2022-09-16 10:41:18,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22103 states, 22059 states have (on average 2.8405186091844596) internal successors, (62659), 22102 states have internal predecessors, (62659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:18,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22103 states to 22103 states and 62659 transitions. [2022-09-16 10:41:18,659 INFO L78 Accepts]: Start accepts. Automaton has 22103 states and 62659 transitions. Word has length 86 [2022-09-16 10:41:18,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:18,659 INFO L495 AbstractCegarLoop]: Abstraction has 22103 states and 62659 transitions. [2022-09-16 10:41:18,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:18,659 INFO L276 IsEmpty]: Start isEmpty. Operand 22103 states and 62659 transitions. [2022-09-16 10:41:18,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:41:18,663 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:18,663 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:18,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-09-16 10:41:18,663 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:18,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:18,663 INFO L85 PathProgramCache]: Analyzing trace with hash 856382948, now seen corresponding path program 69 times [2022-09-16 10:41:18,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:18,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105546275] [2022-09-16 10:41:18,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:18,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:19,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:19,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:19,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105546275] [2022-09-16 10:41:19,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105546275] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:19,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:19,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:41:19,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162175588] [2022-09-16 10:41:19,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:19,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:41:19,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:19,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:41:19,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:41:19,197 INFO L87 Difference]: Start difference. First operand 22103 states and 62659 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:22,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:22,332 INFO L93 Difference]: Finished difference Result 88947 states and 248765 transitions. [2022-09-16 10:41:22,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:41:22,333 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:41:22,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:22,523 INFO L225 Difference]: With dead ends: 88947 [2022-09-16 10:41:22,523 INFO L226 Difference]: Without dead ends: 88947 [2022-09-16 10:41:22,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:41:22,523 INFO L413 NwaCegarLoop]: 639 mSDtfsCounter, 2104 mSDsluCounter, 6065 mSDsCounter, 0 mSdLazyCounter, 1455 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2104 SdHoareTripleChecker+Valid, 6640 SdHoareTripleChecker+Invalid, 1470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:22,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2104 Valid, 6640 Invalid, 1470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1455 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:41:22,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88947 states. [2022-09-16 10:41:23,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88947 to 22148. [2022-09-16 10:41:23,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22148 states, 22104 states have (on average 2.840798045602606) internal successors, (62793), 22147 states have internal predecessors, (62793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:23,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22148 states to 22148 states and 62793 transitions. [2022-09-16 10:41:23,555 INFO L78 Accepts]: Start accepts. Automaton has 22148 states and 62793 transitions. Word has length 86 [2022-09-16 10:41:23,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:23,555 INFO L495 AbstractCegarLoop]: Abstraction has 22148 states and 62793 transitions. [2022-09-16 10:41:23,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:23,556 INFO L276 IsEmpty]: Start isEmpty. Operand 22148 states and 62793 transitions. [2022-09-16 10:41:23,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:41:23,560 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:23,560 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:23,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-09-16 10:41:23,560 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:23,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:23,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1251221526, now seen corresponding path program 70 times [2022-09-16 10:41:23,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:23,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250322139] [2022-09-16 10:41:23,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:23,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:23,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:23,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:23,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250322139] [2022-09-16 10:41:23,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250322139] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:23,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:23,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-09-16 10:41:23,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869258879] [2022-09-16 10:41:23,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:23,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:41:23,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:23,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:41:23,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:41:23,980 INFO L87 Difference]: Start difference. First operand 22148 states and 62793 transitions. Second operand has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:27,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:27,243 INFO L93 Difference]: Finished difference Result 79778 states and 223870 transitions. [2022-09-16 10:41:27,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:41:27,244 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:41:27,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:27,460 INFO L225 Difference]: With dead ends: 79778 [2022-09-16 10:41:27,460 INFO L226 Difference]: Without dead ends: 79778 [2022-09-16 10:41:27,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=654, Invalid=2208, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:41:27,461 INFO L413 NwaCegarLoop]: 634 mSDtfsCounter, 2048 mSDsluCounter, 6543 mSDsCounter, 0 mSdLazyCounter, 1499 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2048 SdHoareTripleChecker+Valid, 7111 SdHoareTripleChecker+Invalid, 1518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:27,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2048 Valid, 7111 Invalid, 1518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1499 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:41:27,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79778 states. [2022-09-16 10:41:28,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79778 to 21968. [2022-09-16 10:41:28,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21968 states, 21924 states have (on average 2.839673417259624) internal successors, (62257), 21967 states have internal predecessors, (62257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:28,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21968 states to 21968 states and 62257 transitions. [2022-09-16 10:41:28,362 INFO L78 Accepts]: Start accepts. Automaton has 21968 states and 62257 transitions. Word has length 86 [2022-09-16 10:41:28,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:28,363 INFO L495 AbstractCegarLoop]: Abstraction has 21968 states and 62257 transitions. [2022-09-16 10:41:28,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:28,363 INFO L276 IsEmpty]: Start isEmpty. Operand 21968 states and 62257 transitions. [2022-09-16 10:41:28,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:41:28,367 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:28,367 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:28,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-09-16 10:41:28,367 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:28,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:28,367 INFO L85 PathProgramCache]: Analyzing trace with hash -217611514, now seen corresponding path program 71 times [2022-09-16 10:41:28,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:28,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240419745] [2022-09-16 10:41:28,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:28,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:29,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:29,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:29,017 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240419745] [2022-09-16 10:41:29,017 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240419745] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:29,017 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:29,017 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:41:29,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654101090] [2022-09-16 10:41:29,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:29,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:41:29,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:29,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:41:29,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:41:29,018 INFO L87 Difference]: Start difference. First operand 21968 states and 62257 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:32,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:32,236 INFO L93 Difference]: Finished difference Result 85587 states and 240792 transitions. [2022-09-16 10:41:32,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:41:32,237 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:41:32,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:32,476 INFO L225 Difference]: With dead ends: 85587 [2022-09-16 10:41:32,477 INFO L226 Difference]: Without dead ends: 85587 [2022-09-16 10:41:32,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:41:32,477 INFO L413 NwaCegarLoop]: 633 mSDtfsCounter, 2064 mSDsluCounter, 5500 mSDsCounter, 0 mSdLazyCounter, 1379 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2064 SdHoareTripleChecker+Valid, 6090 SdHoareTripleChecker+Invalid, 1390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:32,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2064 Valid, 6090 Invalid, 1390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1379 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:41:32,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85587 states. [2022-09-16 10:41:33,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85587 to 22148. [2022-09-16 10:41:33,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22148 states, 22104 states have (on average 2.840798045602606) internal successors, (62793), 22147 states have internal predecessors, (62793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:33,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22148 states to 22148 states and 62793 transitions. [2022-09-16 10:41:33,529 INFO L78 Accepts]: Start accepts. Automaton has 22148 states and 62793 transitions. Word has length 86 [2022-09-16 10:41:33,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:33,529 INFO L495 AbstractCegarLoop]: Abstraction has 22148 states and 62793 transitions. [2022-09-16 10:41:33,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:33,529 INFO L276 IsEmpty]: Start isEmpty. Operand 22148 states and 62793 transitions. [2022-09-16 10:41:33,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:41:33,533 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:33,533 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:33,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-09-16 10:41:33,533 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:33,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:33,534 INFO L85 PathProgramCache]: Analyzing trace with hash 357433640, now seen corresponding path program 72 times [2022-09-16 10:41:33,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:33,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284105128] [2022-09-16 10:41:33,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:33,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:33,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:33,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:33,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284105128] [2022-09-16 10:41:33,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284105128] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:33,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:33,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:41:33,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884271985] [2022-09-16 10:41:33,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:33,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:41:33,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:33,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:41:33,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:41:33,935 INFO L87 Difference]: Start difference. First operand 22148 states and 62793 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:37,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:37,272 INFO L93 Difference]: Finished difference Result 81516 states and 227709 transitions. [2022-09-16 10:41:37,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:41:37,273 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:41:37,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:37,450 INFO L225 Difference]: With dead ends: 81516 [2022-09-16 10:41:37,450 INFO L226 Difference]: Without dead ends: 81516 [2022-09-16 10:41:37,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:41:37,450 INFO L413 NwaCegarLoop]: 635 mSDtfsCounter, 2383 mSDsluCounter, 5909 mSDsCounter, 0 mSdLazyCounter, 1553 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2383 SdHoareTripleChecker+Valid, 6488 SdHoareTripleChecker+Invalid, 1573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:37,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2383 Valid, 6488 Invalid, 1573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1553 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:41:37,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81516 states. [2022-09-16 10:41:38,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81516 to 22103. [2022-09-16 10:41:38,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22103 states, 22059 states have (on average 2.8405186091844596) internal successors, (62659), 22102 states have internal predecessors, (62659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:38,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22103 states to 22103 states and 62659 transitions. [2022-09-16 10:41:38,349 INFO L78 Accepts]: Start accepts. Automaton has 22103 states and 62659 transitions. Word has length 86 [2022-09-16 10:41:38,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:38,349 INFO L495 AbstractCegarLoop]: Abstraction has 22103 states and 62659 transitions. [2022-09-16 10:41:38,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:38,350 INFO L276 IsEmpty]: Start isEmpty. Operand 22103 states and 62659 transitions. [2022-09-16 10:41:38,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:41:38,354 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:38,354 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:38,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-09-16 10:41:38,354 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:38,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:38,355 INFO L85 PathProgramCache]: Analyzing trace with hash -222863066, now seen corresponding path program 73 times [2022-09-16 10:41:38,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:38,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663969132] [2022-09-16 10:41:38,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:38,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:38,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:38,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:38,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663969132] [2022-09-16 10:41:38,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663969132] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:38,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:38,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:41:38,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684147690] [2022-09-16 10:41:38,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:38,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:41:38,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:38,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:41:38,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:41:38,790 INFO L87 Difference]: Start difference. First operand 22103 states and 62659 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:42,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:42,059 INFO L93 Difference]: Finished difference Result 81928 states and 229420 transitions. [2022-09-16 10:41:42,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:41:42,060 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:41:42,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:42,277 INFO L225 Difference]: With dead ends: 81928 [2022-09-16 10:41:42,277 INFO L226 Difference]: Without dead ends: 81928 [2022-09-16 10:41:42,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 488 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:41:42,278 INFO L413 NwaCegarLoop]: 627 mSDtfsCounter, 2124 mSDsluCounter, 5598 mSDsCounter, 0 mSdLazyCounter, 1380 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2124 SdHoareTripleChecker+Valid, 6187 SdHoareTripleChecker+Invalid, 1391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:42,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2124 Valid, 6187 Invalid, 1391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1380 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:41:42,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81928 states. [2022-09-16 10:41:43,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81928 to 22013. [2022-09-16 10:41:43,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22013 states, 21969 states have (on average 2.8399563020619962) internal successors, (62391), 22012 states have internal predecessors, (62391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:43,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22013 states to 22013 states and 62391 transitions. [2022-09-16 10:41:43,208 INFO L78 Accepts]: Start accepts. Automaton has 22013 states and 62391 transitions. Word has length 86 [2022-09-16 10:41:43,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:43,208 INFO L495 AbstractCegarLoop]: Abstraction has 22013 states and 62391 transitions. [2022-09-16 10:41:43,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:43,208 INFO L276 IsEmpty]: Start isEmpty. Operand 22013 states and 62391 transitions. [2022-09-16 10:41:43,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:41:43,212 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:43,212 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:43,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-09-16 10:41:43,212 INFO L420 AbstractCegarLoop]: === Iteration 77 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:43,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:43,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1114194948, now seen corresponding path program 74 times [2022-09-16 10:41:43,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:43,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200413984] [2022-09-16 10:41:43,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:43,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:43,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:43,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:43,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200413984] [2022-09-16 10:41:43,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200413984] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:43,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:43,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:41:43,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386908045] [2022-09-16 10:41:43,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:43,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:41:43,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:43,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:41:43,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:41:43,798 INFO L87 Difference]: Start difference. First operand 22013 states and 62391 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:46,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:46,900 INFO L93 Difference]: Finished difference Result 70829 states and 198950 transitions. [2022-09-16 10:41:46,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:41:46,901 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:41:46,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:47,082 INFO L225 Difference]: With dead ends: 70829 [2022-09-16 10:41:47,083 INFO L226 Difference]: Without dead ends: 70829 [2022-09-16 10:41:47,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:41:47,083 INFO L413 NwaCegarLoop]: 617 mSDtfsCounter, 2254 mSDsluCounter, 5448 mSDsCounter, 0 mSdLazyCounter, 1383 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2254 SdHoareTripleChecker+Valid, 6033 SdHoareTripleChecker+Invalid, 1401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:47,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2254 Valid, 6033 Invalid, 1401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1383 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:41:47,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70829 states. [2022-09-16 10:41:47,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70829 to 21923. [2022-09-16 10:41:47,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21923 states, 21879 states have (on average 2.8393893688011334) internal successors, (62123), 21922 states have internal predecessors, (62123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:47,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21923 states to 21923 states and 62123 transitions. [2022-09-16 10:41:47,901 INFO L78 Accepts]: Start accepts. Automaton has 21923 states and 62123 transitions. Word has length 86 [2022-09-16 10:41:47,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:47,902 INFO L495 AbstractCegarLoop]: Abstraction has 21923 states and 62123 transitions. [2022-09-16 10:41:47,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:47,902 INFO L276 IsEmpty]: Start isEmpty. Operand 21923 states and 62123 transitions. [2022-09-16 10:41:47,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:41:47,906 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:47,906 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:47,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-09-16 10:41:47,906 INFO L420 AbstractCegarLoop]: === Iteration 78 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:47,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:47,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1359452700, now seen corresponding path program 75 times [2022-09-16 10:41:47,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:47,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274900248] [2022-09-16 10:41:47,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:47,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:48,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:48,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:48,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274900248] [2022-09-16 10:41:48,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274900248] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:48,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:48,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:41:48,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886785918] [2022-09-16 10:41:48,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:48,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:41:48,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:48,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:41:48,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:41:48,303 INFO L87 Difference]: Start difference. First operand 21923 states and 62123 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:51,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:51,572 INFO L93 Difference]: Finished difference Result 84149 states and 236663 transitions. [2022-09-16 10:41:51,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:41:51,573 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:41:51,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:51,774 INFO L225 Difference]: With dead ends: 84149 [2022-09-16 10:41:51,774 INFO L226 Difference]: Without dead ends: 84149 [2022-09-16 10:41:51,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:41:51,775 INFO L413 NwaCegarLoop]: 640 mSDtfsCounter, 2223 mSDsluCounter, 5592 mSDsCounter, 0 mSdLazyCounter, 1370 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2223 SdHoareTripleChecker+Valid, 6181 SdHoareTripleChecker+Invalid, 1383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:51,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2223 Valid, 6181 Invalid, 1383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1370 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:41:51,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84149 states. [2022-09-16 10:41:52,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84149 to 22328. [2022-09-16 10:41:52,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22328 states, 22284 states have (on average 2.8419045054747802) internal successors, (63329), 22327 states have internal predecessors, (63329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:52,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22328 states to 22328 states and 63329 transitions. [2022-09-16 10:41:52,713 INFO L78 Accepts]: Start accepts. Automaton has 22328 states and 63329 transitions. Word has length 86 [2022-09-16 10:41:52,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:52,713 INFO L495 AbstractCegarLoop]: Abstraction has 22328 states and 63329 transitions. [2022-09-16 10:41:52,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:52,713 INFO L276 IsEmpty]: Start isEmpty. Operand 22328 states and 63329 transitions. [2022-09-16 10:41:52,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:41:52,717 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:52,717 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:52,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-09-16 10:41:52,718 INFO L420 AbstractCegarLoop]: === Iteration 79 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:52,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:52,718 INFO L85 PathProgramCache]: Analyzing trace with hash -784407546, now seen corresponding path program 76 times [2022-09-16 10:41:52,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:52,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991073417] [2022-09-16 10:41:52,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:52,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:53,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:53,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:53,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991073417] [2022-09-16 10:41:53,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991073417] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:53,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:53,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:41:53,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155814537] [2022-09-16 10:41:53,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:53,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:41:53,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:53,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:41:53,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:41:53,108 INFO L87 Difference]: Start difference. First operand 22328 states and 63329 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:56,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:56,392 INFO L93 Difference]: Finished difference Result 80078 states and 223580 transitions. [2022-09-16 10:41:56,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:41:56,393 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:41:56,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:56,607 INFO L225 Difference]: With dead ends: 80078 [2022-09-16 10:41:56,607 INFO L226 Difference]: Without dead ends: 80078 [2022-09-16 10:41:56,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:41:56,607 INFO L413 NwaCegarLoop]: 642 mSDtfsCounter, 2345 mSDsluCounter, 5500 mSDsCounter, 0 mSdLazyCounter, 1397 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2345 SdHoareTripleChecker+Valid, 6083 SdHoareTripleChecker+Invalid, 1417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1397 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:56,607 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2345 Valid, 6083 Invalid, 1417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1397 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:41:56,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80078 states. [2022-09-16 10:41:57,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80078 to 22283. [2022-09-16 10:41:57,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22283 states, 22239 states have (on average 2.8416295696748954) internal successors, (63195), 22282 states have internal predecessors, (63195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:57,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22283 states to 22283 states and 63195 transitions. [2022-09-16 10:41:57,468 INFO L78 Accepts]: Start accepts. Automaton has 22283 states and 63195 transitions. Word has length 86 [2022-09-16 10:41:57,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:57,468 INFO L495 AbstractCegarLoop]: Abstraction has 22283 states and 63195 transitions. [2022-09-16 10:41:57,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:57,468 INFO L276 IsEmpty]: Start isEmpty. Operand 22283 states and 63195 transitions. [2022-09-16 10:41:57,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:41:57,472 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:57,472 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:57,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-09-16 10:41:57,472 INFO L420 AbstractCegarLoop]: === Iteration 80 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:57,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:57,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1364704252, now seen corresponding path program 77 times [2022-09-16 10:41:57,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:57,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648028248] [2022-09-16 10:41:57,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:57,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:57,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:57,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:57,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:57,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648028248] [2022-09-16 10:41:57,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648028248] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:57,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:57,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:41:57,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478840296] [2022-09-16 10:41:57,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:57,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:41:57,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:57,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:41:57,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:41:57,885 INFO L87 Difference]: Start difference. First operand 22283 states and 63195 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:00,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:00,980 INFO L93 Difference]: Finished difference Result 71243 states and 199303 transitions. [2022-09-16 10:42:00,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:42:00,981 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:42:00,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:01,145 INFO L225 Difference]: With dead ends: 71243 [2022-09-16 10:42:01,145 INFO L226 Difference]: Without dead ends: 71243 [2022-09-16 10:42:01,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 488 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:42:01,146 INFO L413 NwaCegarLoop]: 639 mSDtfsCounter, 2254 mSDsluCounter, 5563 mSDsCounter, 0 mSdLazyCounter, 1369 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2254 SdHoareTripleChecker+Valid, 6156 SdHoareTripleChecker+Invalid, 1385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:01,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2254 Valid, 6156 Invalid, 1385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1369 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:42:01,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71243 states. [2022-09-16 10:42:01,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71243 to 22193. [2022-09-16 10:42:01,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22193 states, 22149 states have (on average 2.8410763465619215) internal successors, (62927), 22192 states have internal predecessors, (62927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:01,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22193 states to 22193 states and 62927 transitions. [2022-09-16 10:42:01,979 INFO L78 Accepts]: Start accepts. Automaton has 22193 states and 62927 transitions. Word has length 86 [2022-09-16 10:42:01,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:01,979 INFO L495 AbstractCegarLoop]: Abstraction has 22193 states and 62927 transitions. [2022-09-16 10:42:01,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:01,979 INFO L276 IsEmpty]: Start isEmpty. Operand 22193 states and 62927 transitions. [2022-09-16 10:42:01,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:42:01,983 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:01,984 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:01,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-09-16 10:42:01,984 INFO L420 AbstractCegarLoop]: === Iteration 81 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:01,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:01,984 INFO L85 PathProgramCache]: Analyzing trace with hash -2045318266, now seen corresponding path program 78 times [2022-09-16 10:42:01,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:01,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317014186] [2022-09-16 10:42:01,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:01,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:02,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:02,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:02,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317014186] [2022-09-16 10:42:02,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317014186] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:02,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:02,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:42:02,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651818488] [2022-09-16 10:42:02,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:02,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:42:02,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:02,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:42:02,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:42:02,572 INFO L87 Difference]: Start difference. First operand 22193 states and 62927 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:05,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:05,758 INFO L93 Difference]: Finished difference Result 82681 states and 230688 transitions. [2022-09-16 10:42:05,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:42:05,758 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:42:05,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:05,976 INFO L225 Difference]: With dead ends: 82681 [2022-09-16 10:42:05,976 INFO L226 Difference]: Without dead ends: 82681 [2022-09-16 10:42:05,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:42:05,977 INFO L413 NwaCegarLoop]: 658 mSDtfsCounter, 1995 mSDsluCounter, 6158 mSDsCounter, 0 mSdLazyCounter, 1462 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1995 SdHoareTripleChecker+Valid, 6752 SdHoareTripleChecker+Invalid, 1473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:05,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1995 Valid, 6752 Invalid, 1473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1462 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:42:06,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82681 states. [2022-09-16 10:42:06,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82681 to 22283. [2022-09-16 10:42:06,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22283 states, 22239 states have (on average 2.8416295696748954) internal successors, (63195), 22282 states have internal predecessors, (63195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:06,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22283 states to 22283 states and 63195 transitions. [2022-09-16 10:42:06,866 INFO L78 Accepts]: Start accepts. Automaton has 22283 states and 63195 transitions. Word has length 86 [2022-09-16 10:42:06,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:06,866 INFO L495 AbstractCegarLoop]: Abstraction has 22283 states and 63195 transitions. [2022-09-16 10:42:06,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:06,866 INFO L276 IsEmpty]: Start isEmpty. Operand 22283 states and 63195 transitions. [2022-09-16 10:42:06,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:42:06,870 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:06,870 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:06,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-09-16 10:42:06,870 INFO L420 AbstractCegarLoop]: === Iteration 82 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:06,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:06,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1470273112, now seen corresponding path program 79 times [2022-09-16 10:42:06,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:06,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030242345] [2022-09-16 10:42:06,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:06,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:07,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:07,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:07,455 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030242345] [2022-09-16 10:42:07,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030242345] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:07,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:07,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:42:07,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496159844] [2022-09-16 10:42:07,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:07,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:42:07,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:07,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:42:07,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:42:07,456 INFO L87 Difference]: Start difference. First operand 22283 states and 63195 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:10,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:10,670 INFO L93 Difference]: Finished difference Result 84909 states and 235807 transitions. [2022-09-16 10:42:10,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:42:10,670 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:42:10,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:10,865 INFO L225 Difference]: With dead ends: 84909 [2022-09-16 10:42:10,865 INFO L226 Difference]: Without dead ends: 84909 [2022-09-16 10:42:10,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:42:10,865 INFO L413 NwaCegarLoop]: 664 mSDtfsCounter, 2374 mSDsluCounter, 6110 mSDsCounter, 0 mSdLazyCounter, 1522 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2374 SdHoareTripleChecker+Valid, 6701 SdHoareTripleChecker+Invalid, 1540 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:10,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2374 Valid, 6701 Invalid, 1540 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1522 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-09-16 10:42:10,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84909 states. [2022-09-16 10:42:11,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84909 to 22238. [2022-09-16 10:42:11,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22238 states, 22194 states have (on average 2.8413535189690906) internal successors, (63061), 22237 states have internal predecessors, (63061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:11,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22238 states to 22238 states and 63061 transitions. [2022-09-16 10:42:11,739 INFO L78 Accepts]: Start accepts. Automaton has 22238 states and 63061 transitions. Word has length 86 [2022-09-16 10:42:11,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:11,740 INFO L495 AbstractCegarLoop]: Abstraction has 22238 states and 63061 transitions. [2022-09-16 10:42:11,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:11,740 INFO L276 IsEmpty]: Start isEmpty. Operand 22238 states and 63061 transitions. [2022-09-16 10:42:11,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:42:11,744 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:11,744 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:11,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-09-16 10:42:11,744 INFO L420 AbstractCegarLoop]: === Iteration 83 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:11,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:11,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1756860356, now seen corresponding path program 80 times [2022-09-16 10:42:11,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:11,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530896945] [2022-09-16 10:42:11,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:11,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:12,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:12,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:12,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530896945] [2022-09-16 10:42:12,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530896945] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:12,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:12,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:42:12,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616629371] [2022-09-16 10:42:12,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:12,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:42:12,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:12,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:42:12,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:42:12,305 INFO L87 Difference]: Start difference. First operand 22238 states and 63061 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:15,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:15,514 INFO L93 Difference]: Finished difference Result 83012 states and 230772 transitions. [2022-09-16 10:42:15,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:42:15,514 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:42:15,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:15,727 INFO L225 Difference]: With dead ends: 83012 [2022-09-16 10:42:15,727 INFO L226 Difference]: Without dead ends: 83012 [2022-09-16 10:42:15,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:42:15,728 INFO L413 NwaCegarLoop]: 656 mSDtfsCounter, 2026 mSDsluCounter, 6301 mSDsCounter, 0 mSdLazyCounter, 1500 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2026 SdHoareTripleChecker+Valid, 6884 SdHoareTripleChecker+Invalid, 1515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:15,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2026 Valid, 6884 Invalid, 1515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1500 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:42:15,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83012 states. [2022-09-16 10:42:16,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83012 to 22283. [2022-09-16 10:42:16,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22283 states, 22239 states have (on average 2.8416295696748954) internal successors, (63195), 22282 states have internal predecessors, (63195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:16,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22283 states to 22283 states and 63195 transitions. [2022-09-16 10:42:16,659 INFO L78 Accepts]: Start accepts. Automaton has 22283 states and 63195 transitions. Word has length 86 [2022-09-16 10:42:16,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:16,659 INFO L495 AbstractCegarLoop]: Abstraction has 22283 states and 63195 transitions. [2022-09-16 10:42:16,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:16,659 INFO L276 IsEmpty]: Start isEmpty. Operand 22283 states and 63195 transitions. [2022-09-16 10:42:16,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:42:16,664 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:16,664 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:16,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-09-16 10:42:16,664 INFO L420 AbstractCegarLoop]: === Iteration 84 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:16,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:16,664 INFO L85 PathProgramCache]: Analyzing trace with hash -350744118, now seen corresponding path program 81 times [2022-09-16 10:42:16,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:16,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239321501] [2022-09-16 10:42:16,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:16,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:17,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:17,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:17,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239321501] [2022-09-16 10:42:17,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239321501] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:17,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:17,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-09-16 10:42:17,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689061675] [2022-09-16 10:42:17,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:17,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:42:17,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:17,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:42:17,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:42:17,117 INFO L87 Difference]: Start difference. First operand 22283 states and 63195 transitions. Second operand has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:20,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:20,498 INFO L93 Difference]: Finished difference Result 72863 states and 203448 transitions. [2022-09-16 10:42:20,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:42:20,499 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:42:20,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:20,703 INFO L225 Difference]: With dead ends: 72863 [2022-09-16 10:42:20,703 INFO L226 Difference]: Without dead ends: 72863 [2022-09-16 10:42:20,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=654, Invalid=2208, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:42:20,704 INFO L413 NwaCegarLoop]: 648 mSDtfsCounter, 1921 mSDsluCounter, 6763 mSDsCounter, 0 mSdLazyCounter, 1515 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1921 SdHoareTripleChecker+Valid, 7335 SdHoareTripleChecker+Invalid, 1530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:20,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1921 Valid, 7335 Invalid, 1530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1515 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:42:20,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72863 states. [2022-09-16 10:42:21,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72863 to 22103. [2022-09-16 10:42:21,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22103 states, 22059 states have (on average 2.8405186091844596) internal successors, (62659), 22102 states have internal predecessors, (62659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:21,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22103 states to 22103 states and 62659 transitions. [2022-09-16 10:42:21,585 INFO L78 Accepts]: Start accepts. Automaton has 22103 states and 62659 transitions. Word has length 86 [2022-09-16 10:42:21,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:21,585 INFO L495 AbstractCegarLoop]: Abstraction has 22103 states and 62659 transitions. [2022-09-16 10:42:21,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:21,585 INFO L276 IsEmpty]: Start isEmpty. Operand 22103 states and 62659 transitions. [2022-09-16 10:42:21,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:42:21,589 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:21,589 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:21,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-09-16 10:42:21,590 INFO L420 AbstractCegarLoop]: === Iteration 85 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:21,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:21,590 INFO L85 PathProgramCache]: Analyzing trace with hash -328765980, now seen corresponding path program 82 times [2022-09-16 10:42:21,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:21,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681324306] [2022-09-16 10:42:21,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:21,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:21,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:22,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:22,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:22,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681324306] [2022-09-16 10:42:22,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681324306] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:22,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:22,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:42:22,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871130443] [2022-09-16 10:42:22,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:22,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:42:22,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:22,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:42:22,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:42:22,002 INFO L87 Difference]: Start difference. First operand 22103 states and 62659 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:25,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:25,061 INFO L93 Difference]: Finished difference Result 67909 states and 190413 transitions. [2022-09-16 10:42:25,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:42:25,062 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:42:25,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:25,238 INFO L225 Difference]: With dead ends: 67909 [2022-09-16 10:42:25,239 INFO L226 Difference]: Without dead ends: 67909 [2022-09-16 10:42:25,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:42:25,239 INFO L413 NwaCegarLoop]: 643 mSDtfsCounter, 1963 mSDsluCounter, 5601 mSDsCounter, 0 mSdLazyCounter, 1310 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1963 SdHoareTripleChecker+Valid, 6192 SdHoareTripleChecker+Invalid, 1323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:25,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1963 Valid, 6192 Invalid, 1323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1310 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:42:25,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67909 states. [2022-09-16 10:42:26,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67909 to 22283. [2022-09-16 10:42:26,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22283 states, 22239 states have (on average 2.8416295696748954) internal successors, (63195), 22282 states have internal predecessors, (63195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:26,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22283 states to 22283 states and 63195 transitions. [2022-09-16 10:42:26,081 INFO L78 Accepts]: Start accepts. Automaton has 22283 states and 63195 transitions. Word has length 86 [2022-09-16 10:42:26,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:26,081 INFO L495 AbstractCegarLoop]: Abstraction has 22283 states and 63195 transitions. [2022-09-16 10:42:26,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:26,081 INFO L276 IsEmpty]: Start isEmpty. Operand 22283 states and 63195 transitions. [2022-09-16 10:42:26,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:42:26,085 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:26,086 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:26,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-09-16 10:42:26,086 INFO L420 AbstractCegarLoop]: === Iteration 86 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:26,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:26,086 INFO L85 PathProgramCache]: Analyzing trace with hash 246279174, now seen corresponding path program 83 times [2022-09-16 10:42:26,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:26,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609744616] [2022-09-16 10:42:26,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:26,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:26,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:26,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:26,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609744616] [2022-09-16 10:42:26,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609744616] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:26,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:26,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:42:26,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068663] [2022-09-16 10:42:26,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:26,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:42:26,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:26,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:42:26,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:42:26,651 INFO L87 Difference]: Start difference. First operand 22283 states and 63195 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:29,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:29,822 INFO L93 Difference]: Finished difference Result 70137 states and 195532 transitions. [2022-09-16 10:42:29,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:42:29,822 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:42:29,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:30,008 INFO L225 Difference]: With dead ends: 70137 [2022-09-16 10:42:30,008 INFO L226 Difference]: Without dead ends: 70137 [2022-09-16 10:42:30,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:42:30,009 INFO L413 NwaCegarLoop]: 649 mSDtfsCounter, 1982 mSDsluCounter, 6092 mSDsCounter, 0 mSdLazyCounter, 1500 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1982 SdHoareTripleChecker+Valid, 6675 SdHoareTripleChecker+Invalid, 1515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:30,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1982 Valid, 6675 Invalid, 1515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1500 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-09-16 10:42:30,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70137 states. [2022-09-16 10:42:30,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70137 to 22238. [2022-09-16 10:42:30,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22238 states, 22194 states have (on average 2.8413535189690906) internal successors, (63061), 22237 states have internal predecessors, (63061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:30,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22238 states to 22238 states and 63061 transitions. [2022-09-16 10:42:30,820 INFO L78 Accepts]: Start accepts. Automaton has 22238 states and 63061 transitions. Word has length 86 [2022-09-16 10:42:30,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:30,820 INFO L495 AbstractCegarLoop]: Abstraction has 22238 states and 63061 transitions. [2022-09-16 10:42:30,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:30,820 INFO L276 IsEmpty]: Start isEmpty. Operand 22238 states and 63061 transitions. [2022-09-16 10:42:30,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:42:30,825 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:30,825 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:30,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-09-16 10:42:30,825 INFO L420 AbstractCegarLoop]: === Iteration 87 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:30,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:30,825 INFO L85 PathProgramCache]: Analyzing trace with hash -821554654, now seen corresponding path program 84 times [2022-09-16 10:42:30,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:30,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820409842] [2022-09-16 10:42:30,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:30,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:31,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:31,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:31,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820409842] [2022-09-16 10:42:31,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820409842] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:31,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:31,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:42:31,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71167912] [2022-09-16 10:42:31,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:31,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:42:31,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:31,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:42:31,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:42:31,278 INFO L87 Difference]: Start difference. First operand 22238 states and 63061 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:34,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:34,452 INFO L93 Difference]: Finished difference Result 80930 states and 224727 transitions. [2022-09-16 10:42:34,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:42:34,452 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:42:34,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:34,676 INFO L225 Difference]: With dead ends: 80930 [2022-09-16 10:42:34,676 INFO L226 Difference]: Without dead ends: 80930 [2022-09-16 10:42:34,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:42:34,677 INFO L413 NwaCegarLoop]: 656 mSDtfsCounter, 2078 mSDsluCounter, 5746 mSDsCounter, 0 mSdLazyCounter, 1331 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2078 SdHoareTripleChecker+Valid, 6336 SdHoareTripleChecker+Invalid, 1346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:34,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2078 Valid, 6336 Invalid, 1346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1331 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:42:34,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80930 states. [2022-09-16 10:42:35,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80930 to 22283. [2022-09-16 10:42:35,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22283 states, 22239 states have (on average 2.8416295696748954) internal successors, (63195), 22282 states have internal predecessors, (63195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:35,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22283 states to 22283 states and 63195 transitions. [2022-09-16 10:42:35,746 INFO L78 Accepts]: Start accepts. Automaton has 22283 states and 63195 transitions. Word has length 86 [2022-09-16 10:42:35,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:35,746 INFO L495 AbstractCegarLoop]: Abstraction has 22283 states and 63195 transitions. [2022-09-16 10:42:35,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:35,746 INFO L276 IsEmpty]: Start isEmpty. Operand 22283 states and 63195 transitions. [2022-09-16 10:42:35,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:42:35,750 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:35,751 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:35,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-09-16 10:42:35,751 INFO L420 AbstractCegarLoop]: === Iteration 88 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:35,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:35,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1365808168, now seen corresponding path program 85 times [2022-09-16 10:42:35,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:35,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063981892] [2022-09-16 10:42:35,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:35,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:36,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:36,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:36,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063981892] [2022-09-16 10:42:36,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063981892] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:36,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:36,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-09-16 10:42:36,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961090525] [2022-09-16 10:42:36,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:36,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:42:36,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:36,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:42:36,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:42:36,143 INFO L87 Difference]: Start difference. First operand 22283 states and 63195 transitions. Second operand has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:39,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:39,479 INFO L93 Difference]: Finished difference Result 70781 states and 197403 transitions. [2022-09-16 10:42:39,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:42:39,480 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:42:39,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:39,672 INFO L225 Difference]: With dead ends: 70781 [2022-09-16 10:42:39,672 INFO L226 Difference]: Without dead ends: 70781 [2022-09-16 10:42:39,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=654, Invalid=2208, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:42:39,672 INFO L413 NwaCegarLoop]: 648 mSDtfsCounter, 1945 mSDsluCounter, 6233 mSDsCounter, 0 mSdLazyCounter, 1390 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1945 SdHoareTripleChecker+Valid, 6811 SdHoareTripleChecker+Invalid, 1403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:39,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1945 Valid, 6811 Invalid, 1403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1390 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:42:39,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70781 states. [2022-09-16 10:42:40,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70781 to 22193. [2022-09-16 10:42:40,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22193 states, 22149 states have (on average 2.8410763465619215) internal successors, (62927), 22192 states have internal predecessors, (62927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:40,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22193 states to 22193 states and 62927 transitions. [2022-09-16 10:42:40,479 INFO L78 Accepts]: Start accepts. Automaton has 22193 states and 62927 transitions. Word has length 86 [2022-09-16 10:42:40,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:40,479 INFO L495 AbstractCegarLoop]: Abstraction has 22193 states and 62927 transitions. [2022-09-16 10:42:40,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:40,479 INFO L276 IsEmpty]: Start isEmpty. Operand 22193 states and 62927 transitions. [2022-09-16 10:42:40,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:42:40,483 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:40,484 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:40,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-09-16 10:42:40,484 INFO L420 AbstractCegarLoop]: === Iteration 89 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:40,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:40,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1165102808, now seen corresponding path program 86 times [2022-09-16 10:42:40,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:40,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731013608] [2022-09-16 10:42:40,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:40,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:41,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:41,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:41,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731013608] [2022-09-16 10:42:41,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731013608] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:41,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:41,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:42:41,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414252655] [2022-09-16 10:42:41,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:41,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:42:41,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:41,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:42:41,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:42:41,020 INFO L87 Difference]: Start difference. First operand 22193 states and 62927 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:44,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:44,170 INFO L93 Difference]: Finished difference Result 68195 states and 190363 transitions. [2022-09-16 10:42:44,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:42:44,170 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:42:44,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:44,343 INFO L225 Difference]: With dead ends: 68195 [2022-09-16 10:42:44,343 INFO L226 Difference]: Without dead ends: 68195 [2022-09-16 10:42:44,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:42:44,343 INFO L413 NwaCegarLoop]: 638 mSDtfsCounter, 2313 mSDsluCounter, 5994 mSDsCounter, 0 mSdLazyCounter, 1479 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2313 SdHoareTripleChecker+Valid, 6565 SdHoareTripleChecker+Invalid, 1499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:44,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2313 Valid, 6565 Invalid, 1499 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [20 Valid, 1479 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:42:44,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68195 states. [2022-09-16 10:42:45,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68195 to 22328. [2022-09-16 10:42:45,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22328 states, 22284 states have (on average 2.8419045054747802) internal successors, (63329), 22327 states have internal predecessors, (63329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:45,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22328 states to 22328 states and 63329 transitions. [2022-09-16 10:42:45,147 INFO L78 Accepts]: Start accepts. Automaton has 22328 states and 63329 transitions. Word has length 86 [2022-09-16 10:42:45,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:45,148 INFO L495 AbstractCegarLoop]: Abstraction has 22328 states and 63329 transitions. [2022-09-16 10:42:45,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:45,148 INFO L276 IsEmpty]: Start isEmpty. Operand 22328 states and 63329 transitions. [2022-09-16 10:42:45,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:42:45,152 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:45,152 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:45,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-09-16 10:42:45,152 INFO L420 AbstractCegarLoop]: === Iteration 90 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:45,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:45,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1022260014, now seen corresponding path program 87 times [2022-09-16 10:42:45,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:45,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287230667] [2022-09-16 10:42:45,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:45,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:45,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:45,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:45,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287230667] [2022-09-16 10:42:45,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287230667] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:45,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:45,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-09-16 10:42:45,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143415949] [2022-09-16 10:42:45,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:45,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:42:45,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:45,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:42:45,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:42:45,573 INFO L87 Difference]: Start difference. First operand 22328 states and 63329 transitions. Second operand has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:48,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:48,859 INFO L93 Difference]: Finished difference Result 68178 states and 190295 transitions. [2022-09-16 10:42:48,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:42:48,860 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:42:48,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:49,042 INFO L225 Difference]: With dead ends: 68178 [2022-09-16 10:42:49,043 INFO L226 Difference]: Without dead ends: 68178 [2022-09-16 10:42:49,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=654, Invalid=2208, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:42:49,043 INFO L413 NwaCegarLoop]: 643 mSDtfsCounter, 1933 mSDsluCounter, 6653 mSDsCounter, 0 mSdLazyCounter, 1540 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1933 SdHoareTripleChecker+Valid, 7220 SdHoareTripleChecker+Invalid, 1551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:49,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1933 Valid, 7220 Invalid, 1551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1540 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:42:49,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68178 states. [2022-09-16 10:42:49,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68178 to 22283. [2022-09-16 10:42:49,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22283 states, 22239 states have (on average 2.8416295696748954) internal successors, (63195), 22282 states have internal predecessors, (63195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:49,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22283 states to 22283 states and 63195 transitions. [2022-09-16 10:42:49,860 INFO L78 Accepts]: Start accepts. Automaton has 22283 states and 63195 transitions. Word has length 86 [2022-09-16 10:42:49,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:49,860 INFO L495 AbstractCegarLoop]: Abstraction has 22283 states and 63195 transitions. [2022-09-16 10:42:49,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:49,860 INFO L276 IsEmpty]: Start isEmpty. Operand 22283 states and 63195 transitions. [2022-09-16 10:42:49,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:42:49,865 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:49,865 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:49,865 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-09-16 10:42:49,865 INFO L420 AbstractCegarLoop]: === Iteration 91 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:49,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:49,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1022898716, now seen corresponding path program 88 times [2022-09-16 10:42:49,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:49,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372280362] [2022-09-16 10:42:49,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:49,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:50,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:50,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:50,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372280362] [2022-09-16 10:42:50,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372280362] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:50,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:50,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-09-16 10:42:50,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494503561] [2022-09-16 10:42:50,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:50,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:42:50,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:50,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:42:50,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:42:50,285 INFO L87 Difference]: Start difference. First operand 22283 states and 63195 transitions. Second operand has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:53,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:53,489 INFO L93 Difference]: Finished difference Result 58846 states and 164977 transitions. [2022-09-16 10:42:53,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:42:53,489 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:42:53,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:53,639 INFO L225 Difference]: With dead ends: 58846 [2022-09-16 10:42:53,639 INFO L226 Difference]: Without dead ends: 58846 [2022-09-16 10:42:53,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=656, Invalid=2206, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:42:53,639 INFO L413 NwaCegarLoop]: 635 mSDtfsCounter, 1915 mSDsluCounter, 6163 mSDsCounter, 0 mSdLazyCounter, 1425 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1915 SdHoareTripleChecker+Valid, 6733 SdHoareTripleChecker+Invalid, 1446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:53,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1915 Valid, 6733 Invalid, 1446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1425 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:42:53,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58846 states. [2022-09-16 10:42:54,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58846 to 21833. [2022-09-16 10:42:54,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21833 states, 21789 states have (on average 2.838817752076736) internal successors, (61855), 21832 states have internal predecessors, (61855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:54,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21833 states to 21833 states and 61855 transitions. [2022-09-16 10:42:54,382 INFO L78 Accepts]: Start accepts. Automaton has 21833 states and 61855 transitions. Word has length 86 [2022-09-16 10:42:54,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:54,382 INFO L495 AbstractCegarLoop]: Abstraction has 21833 states and 61855 transitions. [2022-09-16 10:42:54,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:54,382 INFO L276 IsEmpty]: Start isEmpty. Operand 21833 states and 61855 transitions. [2022-09-16 10:42:54,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:42:54,386 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:54,386 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:54,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-09-16 10:42:54,387 INFO L420 AbstractCegarLoop]: === Iteration 92 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:54,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:54,387 INFO L85 PathProgramCache]: Analyzing trace with hash -167210842, now seen corresponding path program 89 times [2022-09-16 10:42:54,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:54,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710901815] [2022-09-16 10:42:54,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:54,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:54,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:54,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:54,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:54,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710901815] [2022-09-16 10:42:54,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710901815] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:54,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:54,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:42:54,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224624999] [2022-09-16 10:42:54,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:54,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:42:54,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:54,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:42:54,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:42:54,869 INFO L87 Difference]: Start difference. First operand 21833 states and 61855 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:58,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:58,083 INFO L93 Difference]: Finished difference Result 83100 states and 233676 transitions. [2022-09-16 10:42:58,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:42:58,084 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:42:58,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:58,313 INFO L225 Difference]: With dead ends: 83100 [2022-09-16 10:42:58,313 INFO L226 Difference]: Without dead ends: 83100 [2022-09-16 10:42:58,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:42:58,313 INFO L413 NwaCegarLoop]: 637 mSDtfsCounter, 2211 mSDsluCounter, 6012 mSDsCounter, 0 mSdLazyCounter, 1462 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2211 SdHoareTripleChecker+Valid, 6603 SdHoareTripleChecker+Invalid, 1476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:58,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2211 Valid, 6603 Invalid, 1476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1462 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:42:58,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83100 states. [2022-09-16 10:42:59,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83100 to 22148. [2022-09-16 10:42:59,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22148 states, 22104 states have (on average 2.840798045602606) internal successors, (62793), 22147 states have internal predecessors, (62793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:59,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22148 states to 22148 states and 62793 transitions. [2022-09-16 10:42:59,421 INFO L78 Accepts]: Start accepts. Automaton has 22148 states and 62793 transitions. Word has length 86 [2022-09-16 10:42:59,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:59,421 INFO L495 AbstractCegarLoop]: Abstraction has 22148 states and 62793 transitions. [2022-09-16 10:42:59,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:59,421 INFO L276 IsEmpty]: Start isEmpty. Operand 22148 states and 62793 transitions. [2022-09-16 10:42:59,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:42:59,426 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:59,426 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:59,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-09-16 10:42:59,426 INFO L420 AbstractCegarLoop]: === Iteration 93 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:59,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:59,426 INFO L85 PathProgramCache]: Analyzing trace with hash 407834312, now seen corresponding path program 90 times [2022-09-16 10:42:59,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:59,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620048175] [2022-09-16 10:42:59,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:59,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:59,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:59,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:59,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620048175] [2022-09-16 10:42:59,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620048175] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:59,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:59,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:42:59,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155494791] [2022-09-16 10:42:59,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:59,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:42:59,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:59,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:42:59,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:42:59,822 INFO L87 Difference]: Start difference. First operand 22148 states and 62793 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:02,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:02,993 INFO L93 Difference]: Finished difference Result 79029 states and 220593 transitions. [2022-09-16 10:43:02,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:43:02,993 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:43:02,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:03,215 INFO L225 Difference]: With dead ends: 79029 [2022-09-16 10:43:03,215 INFO L226 Difference]: Without dead ends: 79029 [2022-09-16 10:43:03,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:43:03,216 INFO L413 NwaCegarLoop]: 639 mSDtfsCounter, 2259 mSDsluCounter, 5542 mSDsCounter, 0 mSdLazyCounter, 1381 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2259 SdHoareTripleChecker+Valid, 6131 SdHoareTripleChecker+Invalid, 1401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:03,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2259 Valid, 6131 Invalid, 1401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1381 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:43:03,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79029 states. [2022-09-16 10:43:04,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79029 to 22103. [2022-09-16 10:43:04,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22103 states, 22059 states have (on average 2.8405186091844596) internal successors, (62659), 22102 states have internal predecessors, (62659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:04,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22103 states to 22103 states and 62659 transitions. [2022-09-16 10:43:04,178 INFO L78 Accepts]: Start accepts. Automaton has 22103 states and 62659 transitions. Word has length 86 [2022-09-16 10:43:04,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:04,179 INFO L495 AbstractCegarLoop]: Abstraction has 22103 states and 62659 transitions. [2022-09-16 10:43:04,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:04,179 INFO L276 IsEmpty]: Start isEmpty. Operand 22103 states and 62659 transitions. [2022-09-16 10:43:04,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:43:04,183 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:04,183 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:04,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-09-16 10:43:04,183 INFO L420 AbstractCegarLoop]: === Iteration 94 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:04,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:04,184 INFO L85 PathProgramCache]: Analyzing trace with hash -172462394, now seen corresponding path program 91 times [2022-09-16 10:43:04,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:04,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710604001] [2022-09-16 10:43:04,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:04,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:04,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:04,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:04,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710604001] [2022-09-16 10:43:04,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710604001] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:04,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:04,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:43:04,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943170403] [2022-09-16 10:43:04,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:04,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:43:04,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:04,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:43:04,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:43:04,791 INFO L87 Difference]: Start difference. First operand 22103 states and 62659 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:07,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:07,943 INFO L93 Difference]: Finished difference Result 70194 states and 196316 transitions. [2022-09-16 10:43:07,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:43:07,944 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:43:07,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:08,156 INFO L225 Difference]: With dead ends: 70194 [2022-09-16 10:43:08,156 INFO L226 Difference]: Without dead ends: 70194 [2022-09-16 10:43:08,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 488 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:43:08,156 INFO L413 NwaCegarLoop]: 636 mSDtfsCounter, 1908 mSDsluCounter, 5634 mSDsCounter, 0 mSdLazyCounter, 1357 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1908 SdHoareTripleChecker+Valid, 6233 SdHoareTripleChecker+Invalid, 1370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:08,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1908 Valid, 6233 Invalid, 1370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1357 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:43:08,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70194 states. [2022-09-16 10:43:08,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70194 to 22013. [2022-09-16 10:43:08,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22013 states, 21969 states have (on average 2.8399563020619962) internal successors, (62391), 22012 states have internal predecessors, (62391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:09,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22013 states to 22013 states and 62391 transitions. [2022-09-16 10:43:09,010 INFO L78 Accepts]: Start accepts. Automaton has 22013 states and 62391 transitions. Word has length 86 [2022-09-16 10:43:09,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:09,010 INFO L495 AbstractCegarLoop]: Abstraction has 22013 states and 62391 transitions. [2022-09-16 10:43:09,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:09,010 INFO L276 IsEmpty]: Start isEmpty. Operand 22013 states and 62391 transitions. [2022-09-16 10:43:09,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:43:09,014 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:09,014 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:09,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-09-16 10:43:09,014 INFO L420 AbstractCegarLoop]: === Iteration 95 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:09,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:09,015 INFO L85 PathProgramCache]: Analyzing trace with hash -853076408, now seen corresponding path program 92 times [2022-09-16 10:43:09,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:09,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914763293] [2022-09-16 10:43:09,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:09,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:09,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:09,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:09,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:09,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914763293] [2022-09-16 10:43:09,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914763293] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:09,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:09,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:43:09,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255731214] [2022-09-16 10:43:09,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:09,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:43:09,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:09,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:43:09,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:43:09,422 INFO L87 Difference]: Start difference. First operand 22013 states and 62391 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:12,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:12,711 INFO L93 Difference]: Finished difference Result 69450 states and 194202 transitions. [2022-09-16 10:43:12,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:43:12,711 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:43:12,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:12,888 INFO L225 Difference]: With dead ends: 69450 [2022-09-16 10:43:12,889 INFO L226 Difference]: Without dead ends: 69450 [2022-09-16 10:43:12,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:43:12,889 INFO L413 NwaCegarLoop]: 655 mSDtfsCounter, 2099 mSDsluCounter, 5717 mSDsCounter, 0 mSdLazyCounter, 1319 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2099 SdHoareTripleChecker+Valid, 6324 SdHoareTripleChecker+Invalid, 1332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:12,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2099 Valid, 6324 Invalid, 1332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1319 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:43:12,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69450 states. [2022-09-16 10:43:13,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69450 to 22103. [2022-09-16 10:43:13,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22103 states, 22059 states have (on average 2.8405186091844596) internal successors, (62659), 22102 states have internal predecessors, (62659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:13,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22103 states to 22103 states and 62659 transitions. [2022-09-16 10:43:13,700 INFO L78 Accepts]: Start accepts. Automaton has 22103 states and 62659 transitions. Word has length 86 [2022-09-16 10:43:13,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:13,700 INFO L495 AbstractCegarLoop]: Abstraction has 22103 states and 62659 transitions. [2022-09-16 10:43:13,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:13,700 INFO L276 IsEmpty]: Start isEmpty. Operand 22103 states and 62659 transitions. [2022-09-16 10:43:13,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:43:13,704 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:13,704 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:13,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-09-16 10:43:13,705 INFO L420 AbstractCegarLoop]: === Iteration 96 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:13,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:13,705 INFO L85 PathProgramCache]: Analyzing trace with hash -278031254, now seen corresponding path program 93 times [2022-09-16 10:43:13,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:13,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840400341] [2022-09-16 10:43:13,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:13,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:14,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:14,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:14,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840400341] [2022-09-16 10:43:14,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840400341] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:14,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:14,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:43:14,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676101416] [2022-09-16 10:43:14,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:14,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:43:14,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:14,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:43:14,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:43:14,109 INFO L87 Difference]: Start difference. First operand 22103 states and 62659 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:17,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:17,303 INFO L93 Difference]: Finished difference Result 71678 states and 199321 transitions. [2022-09-16 10:43:17,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:43:17,304 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:43:17,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:17,488 INFO L225 Difference]: With dead ends: 71678 [2022-09-16 10:43:17,488 INFO L226 Difference]: Without dead ends: 71678 [2022-09-16 10:43:17,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:43:17,488 INFO L413 NwaCegarLoop]: 661 mSDtfsCounter, 2298 mSDsluCounter, 6063 mSDsCounter, 0 mSdLazyCounter, 1495 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2298 SdHoareTripleChecker+Valid, 6662 SdHoareTripleChecker+Invalid, 1513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:17,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2298 Valid, 6662 Invalid, 1513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1495 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:43:17,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71678 states. [2022-09-16 10:43:18,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71678 to 22058. [2022-09-16 10:43:18,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22058 states, 22014 states have (on average 2.8402380303443264) internal successors, (62525), 22057 states have internal predecessors, (62525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:18,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22058 states to 22058 states and 62525 transitions. [2022-09-16 10:43:18,327 INFO L78 Accepts]: Start accepts. Automaton has 22058 states and 62525 transitions. Word has length 86 [2022-09-16 10:43:18,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:18,327 INFO L495 AbstractCegarLoop]: Abstraction has 22058 states and 62525 transitions. [2022-09-16 10:43:18,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:18,328 INFO L276 IsEmpty]: Start isEmpty. Operand 22058 states and 62525 transitions. [2022-09-16 10:43:18,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:43:18,331 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:18,331 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:18,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-09-16 10:43:18,332 INFO L420 AbstractCegarLoop]: === Iteration 97 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:18,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:18,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1345865082, now seen corresponding path program 94 times [2022-09-16 10:43:18,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:18,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425590016] [2022-09-16 10:43:18,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:18,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:18,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:18,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:18,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:18,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425590016] [2022-09-16 10:43:18,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425590016] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:18,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:18,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:43:18,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333640755] [2022-09-16 10:43:18,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:18,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:43:18,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:18,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:43:18,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:43:18,882 INFO L87 Difference]: Start difference. First operand 22058 states and 62525 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:22,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:22,065 INFO L93 Difference]: Finished difference Result 69781 states and 194286 transitions. [2022-09-16 10:43:22,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:43:22,066 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:43:22,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:22,239 INFO L225 Difference]: With dead ends: 69781 [2022-09-16 10:43:22,240 INFO L226 Difference]: Without dead ends: 69781 [2022-09-16 10:43:22,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:43:22,240 INFO L413 NwaCegarLoop]: 653 mSDtfsCounter, 1955 mSDsluCounter, 6086 mSDsCounter, 0 mSdLazyCounter, 1459 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1955 SdHoareTripleChecker+Valid, 6677 SdHoareTripleChecker+Invalid, 1474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:22,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1955 Valid, 6677 Invalid, 1474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1459 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:43:22,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69781 states. [2022-09-16 10:43:22,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69781 to 22103. [2022-09-16 10:43:22,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22103 states, 22059 states have (on average 2.8405186091844596) internal successors, (62659), 22102 states have internal predecessors, (62659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:23,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22103 states to 22103 states and 62659 transitions. [2022-09-16 10:43:23,002 INFO L78 Accepts]: Start accepts. Automaton has 22103 states and 62659 transitions. Word has length 86 [2022-09-16 10:43:23,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:23,003 INFO L495 AbstractCegarLoop]: Abstraction has 22103 states and 62659 transitions. [2022-09-16 10:43:23,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:23,003 INFO L276 IsEmpty]: Start isEmpty. Operand 22103 states and 62659 transitions. [2022-09-16 10:43:23,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:43:23,007 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:23,007 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:23,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-09-16 10:43:23,007 INFO L420 AbstractCegarLoop]: === Iteration 98 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:23,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:23,007 INFO L85 PathProgramCache]: Analyzing trace with hash 841497740, now seen corresponding path program 95 times [2022-09-16 10:43:23,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:23,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010412922] [2022-09-16 10:43:23,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:23,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:23,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:23,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:23,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010412922] [2022-09-16 10:43:23,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010412922] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:23,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:23,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-09-16 10:43:23,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966687044] [2022-09-16 10:43:23,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:23,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:43:23,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:23,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:43:23,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:43:23,393 INFO L87 Difference]: Start difference. First operand 22103 states and 62659 transitions. Second operand has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:26,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:26,425 INFO L93 Difference]: Finished difference Result 60612 states and 169391 transitions. [2022-09-16 10:43:26,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:43:26,426 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:43:26,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:26,572 INFO L225 Difference]: With dead ends: 60612 [2022-09-16 10:43:26,572 INFO L226 Difference]: Without dead ends: 60612 [2022-09-16 10:43:26,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=654, Invalid=2208, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:43:26,572 INFO L413 NwaCegarLoop]: 648 mSDtfsCounter, 2007 mSDsluCounter, 6151 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2007 SdHoareTripleChecker+Valid, 6741 SdHoareTripleChecker+Invalid, 1397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:26,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2007 Valid, 6741 Invalid, 1397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:43:26,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60612 states. [2022-09-16 10:43:27,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60612 to 21923. [2022-09-16 10:43:27,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21923 states, 21879 states have (on average 2.8393893688011334) internal successors, (62123), 21922 states have internal predecessors, (62123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:27,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21923 states to 21923 states and 62123 transitions. [2022-09-16 10:43:27,303 INFO L78 Accepts]: Start accepts. Automaton has 21923 states and 62123 transitions. Word has length 86 [2022-09-16 10:43:27,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:27,304 INFO L495 AbstractCegarLoop]: Abstraction has 21923 states and 62123 transitions. [2022-09-16 10:43:27,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:27,304 INFO L276 IsEmpty]: Start isEmpty. Operand 21923 states and 62123 transitions. [2022-09-16 10:43:27,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:43:27,307 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:27,308 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:27,308 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-09-16 10:43:27,308 INFO L420 AbstractCegarLoop]: === Iteration 99 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:27,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:27,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1875107752, now seen corresponding path program 96 times [2022-09-16 10:43:27,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:27,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141090169] [2022-09-16 10:43:27,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:27,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:27,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:27,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:27,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141090169] [2022-09-16 10:43:27,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141090169] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:27,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:27,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:43:27,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871617532] [2022-09-16 10:43:27,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:27,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:43:27,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:27,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:43:27,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:43:27,712 INFO L87 Difference]: Start difference. First operand 21923 states and 62123 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:30,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:30,985 INFO L93 Difference]: Finished difference Result 79996 states and 223807 transitions. [2022-09-16 10:43:30,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:43:30,986 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:43:30,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:31,170 INFO L225 Difference]: With dead ends: 79996 [2022-09-16 10:43:31,170 INFO L226 Difference]: Without dead ends: 79996 [2022-09-16 10:43:31,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:43:31,170 INFO L413 NwaCegarLoop]: 647 mSDtfsCounter, 2150 mSDsluCounter, 5701 mSDsCounter, 0 mSdLazyCounter, 1398 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2150 SdHoareTripleChecker+Valid, 6307 SdHoareTripleChecker+Invalid, 1411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:31,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2150 Valid, 6307 Invalid, 1411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1398 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:43:31,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79996 states. [2022-09-16 10:43:31,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79996 to 22103. [2022-09-16 10:43:31,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22103 states, 22059 states have (on average 2.8405186091844596) internal successors, (62659), 22102 states have internal predecessors, (62659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:31,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22103 states to 22103 states and 62659 transitions. [2022-09-16 10:43:31,985 INFO L78 Accepts]: Start accepts. Automaton has 22103 states and 62659 transitions. Word has length 86 [2022-09-16 10:43:31,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:31,985 INFO L495 AbstractCegarLoop]: Abstraction has 22103 states and 62659 transitions. [2022-09-16 10:43:31,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:31,985 INFO L276 IsEmpty]: Start isEmpty. Operand 22103 states and 62659 transitions. [2022-09-16 10:43:31,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:43:31,989 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:31,989 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:31,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-09-16 10:43:31,990 INFO L420 AbstractCegarLoop]: === Iteration 100 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:31,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:31,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1844814390, now seen corresponding path program 97 times [2022-09-16 10:43:31,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:31,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400115219] [2022-09-16 10:43:31,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:31,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:32,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:32,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:32,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:32,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400115219] [2022-09-16 10:43:32,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400115219] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:32,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:32,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:43:32,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423921279] [2022-09-16 10:43:32,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:32,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:43:32,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:32,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:43:32,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:43:32,395 INFO L87 Difference]: Start difference. First operand 22103 states and 62659 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:35,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:35,549 INFO L93 Difference]: Finished difference Result 75925 states and 210724 transitions. [2022-09-16 10:43:35,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:43:35,549 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:43:35,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:35,873 INFO L225 Difference]: With dead ends: 75925 [2022-09-16 10:43:35,873 INFO L226 Difference]: Without dead ends: 75925 [2022-09-16 10:43:35,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:43:35,874 INFO L413 NwaCegarLoop]: 649 mSDtfsCounter, 2300 mSDsluCounter, 5547 mSDsCounter, 0 mSdLazyCounter, 1413 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2300 SdHoareTripleChecker+Valid, 6147 SdHoareTripleChecker+Invalid, 1433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:35,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2300 Valid, 6147 Invalid, 1433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1413 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:43:35,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75925 states. [2022-09-16 10:43:36,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75925 to 22058. [2022-09-16 10:43:36,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22058 states, 22014 states have (on average 2.8402380303443264) internal successors, (62525), 22057 states have internal predecessors, (62525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:36,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22058 states to 22058 states and 62525 transitions. [2022-09-16 10:43:36,677 INFO L78 Accepts]: Start accepts. Automaton has 22058 states and 62525 transitions. Word has length 86 [2022-09-16 10:43:36,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:36,677 INFO L495 AbstractCegarLoop]: Abstraction has 22058 states and 62525 transitions. [2022-09-16 10:43:36,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:36,677 INFO L276 IsEmpty]: Start isEmpty. Operand 22058 states and 62525 transitions. [2022-09-16 10:43:36,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:43:36,681 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:36,681 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:36,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-09-16 10:43:36,681 INFO L420 AbstractCegarLoop]: === Iteration 101 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:36,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:36,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1869856200, now seen corresponding path program 98 times [2022-09-16 10:43:36,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:36,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313807089] [2022-09-16 10:43:36,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:36,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:37,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:37,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:37,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313807089] [2022-09-16 10:43:37,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313807089] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:37,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:37,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:43:37,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045344578] [2022-09-16 10:43:37,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:37,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:43:37,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:37,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:43:37,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:43:37,102 INFO L87 Difference]: Start difference. First operand 22058 states and 62525 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:40,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:40,204 INFO L93 Difference]: Finished difference Result 76337 states and 212435 transitions. [2022-09-16 10:43:40,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:43:40,204 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:43:40,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:40,379 INFO L225 Difference]: With dead ends: 76337 [2022-09-16 10:43:40,379 INFO L226 Difference]: Without dead ends: 76337 [2022-09-16 10:43:40,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 488 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:43:40,379 INFO L413 NwaCegarLoop]: 641 mSDtfsCounter, 1882 mSDsluCounter, 5981 mSDsCounter, 0 mSdLazyCounter, 1478 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1882 SdHoareTripleChecker+Valid, 6583 SdHoareTripleChecker+Invalid, 1487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:40,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1882 Valid, 6583 Invalid, 1487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1478 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:43:40,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76337 states. [2022-09-16 10:43:41,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76337 to 21968. [2022-09-16 10:43:41,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21968 states, 21924 states have (on average 2.839673417259624) internal successors, (62257), 21967 states have internal predecessors, (62257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:41,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21968 states to 21968 states and 62257 transitions. [2022-09-16 10:43:41,210 INFO L78 Accepts]: Start accepts. Automaton has 21968 states and 62257 transitions. Word has length 86 [2022-09-16 10:43:41,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:41,210 INFO L495 AbstractCegarLoop]: Abstraction has 21968 states and 62257 transitions. [2022-09-16 10:43:41,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:41,210 INFO L276 IsEmpty]: Start isEmpty. Operand 21968 states and 62257 transitions. [2022-09-16 10:43:41,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:43:41,214 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:41,214 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:41,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-09-16 10:43:41,214 INFO L420 AbstractCegarLoop]: === Iteration 102 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:41,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:41,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1088053082, now seen corresponding path program 99 times [2022-09-16 10:43:41,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:41,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101048201] [2022-09-16 10:43:41,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:41,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:41,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:41,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:41,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101048201] [2022-09-16 10:43:41,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101048201] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:41,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:41,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:43:41,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300895040] [2022-09-16 10:43:41,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:41,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:43:41,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:41,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:43:41,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:43:41,659 INFO L87 Difference]: Start difference. First operand 21968 states and 62257 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:44,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:44,879 INFO L93 Difference]: Finished difference Result 64293 states and 179601 transitions. [2022-09-16 10:43:44,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:43:44,879 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:43:44,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:45,039 INFO L225 Difference]: With dead ends: 64293 [2022-09-16 10:43:45,039 INFO L226 Difference]: Without dead ends: 64293 [2022-09-16 10:43:45,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:43:45,040 INFO L413 NwaCegarLoop]: 628 mSDtfsCounter, 1785 mSDsluCounter, 5872 mSDsCounter, 0 mSdLazyCounter, 1455 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1785 SdHoareTripleChecker+Valid, 6468 SdHoareTripleChecker+Invalid, 1466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:45,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1785 Valid, 6468 Invalid, 1466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1455 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:43:45,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64293 states. [2022-09-16 10:43:45,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64293 to 21878. [2022-09-16 10:43:45,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21878 states, 21834 states have (on average 2.8391041494916185) internal successors, (61989), 21877 states have internal predecessors, (61989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:45,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21878 states to 21878 states and 61989 transitions. [2022-09-16 10:43:45,795 INFO L78 Accepts]: Start accepts. Automaton has 21878 states and 61989 transitions. Word has length 86 [2022-09-16 10:43:45,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:45,795 INFO L495 AbstractCegarLoop]: Abstraction has 21878 states and 61989 transitions. [2022-09-16 10:43:45,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:45,795 INFO L276 IsEmpty]: Start isEmpty. Operand 21878 states and 61989 transitions. [2022-09-16 10:43:45,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:43:45,798 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:45,798 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:45,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-09-16 10:43:45,799 INFO L420 AbstractCegarLoop]: === Iteration 103 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:45,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:45,799 INFO L85 PathProgramCache]: Analyzing trace with hash 550319108, now seen corresponding path program 100 times [2022-09-16 10:43:45,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:45,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695223454] [2022-09-16 10:43:45,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:45,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:46,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:46,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:46,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695223454] [2022-09-16 10:43:46,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695223454] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:46,306 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:46,306 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:43:46,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544526640] [2022-09-16 10:43:46,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:46,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:43:46,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:46,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:43:46,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:43:46,306 INFO L87 Difference]: Start difference. First operand 21878 states and 61989 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:49,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:49,403 INFO L93 Difference]: Finished difference Result 63232 states and 177755 transitions. [2022-09-16 10:43:49,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:43:49,403 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:43:49,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:49,547 INFO L225 Difference]: With dead ends: 63232 [2022-09-16 10:43:49,547 INFO L226 Difference]: Without dead ends: 63232 [2022-09-16 10:43:49,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:43:49,548 INFO L413 NwaCegarLoop]: 629 mSDtfsCounter, 1918 mSDsluCounter, 5969 mSDsCounter, 0 mSdLazyCounter, 1510 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1918 SdHoareTripleChecker+Valid, 6555 SdHoareTripleChecker+Invalid, 1521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:49,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1918 Valid, 6555 Invalid, 1521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1510 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:43:49,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63232 states. [2022-09-16 10:43:50,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63232 to 22103. [2022-09-16 10:43:50,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22103 states, 22059 states have (on average 2.8405186091844596) internal successors, (62659), 22102 states have internal predecessors, (62659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:50,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22103 states to 22103 states and 62659 transitions. [2022-09-16 10:43:50,399 INFO L78 Accepts]: Start accepts. Automaton has 22103 states and 62659 transitions. Word has length 86 [2022-09-16 10:43:50,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:50,399 INFO L495 AbstractCegarLoop]: Abstraction has 22103 states and 62659 transitions. [2022-09-16 10:43:50,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:50,399 INFO L276 IsEmpty]: Start isEmpty. Operand 22103 states and 62659 transitions. [2022-09-16 10:43:50,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:43:50,403 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:50,403 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:50,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-09-16 10:43:50,403 INFO L420 AbstractCegarLoop]: === Iteration 104 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:50,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:50,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1125364262, now seen corresponding path program 101 times [2022-09-16 10:43:50,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:50,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143525996] [2022-09-16 10:43:50,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:50,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:50,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:50,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:50,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143525996] [2022-09-16 10:43:50,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143525996] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:50,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:50,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:43:50,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590385017] [2022-09-16 10:43:50,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:50,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:43:50,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:50,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:43:50,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:43:50,809 INFO L87 Difference]: Start difference. First operand 22103 states and 62659 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:53,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:53,861 INFO L93 Difference]: Finished difference Result 59161 states and 164672 transitions. [2022-09-16 10:43:53,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:43:53,861 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:43:53,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:54,003 INFO L225 Difference]: With dead ends: 59161 [2022-09-16 10:43:54,003 INFO L226 Difference]: Without dead ends: 59161 [2022-09-16 10:43:54,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:43:54,004 INFO L413 NwaCegarLoop]: 631 mSDtfsCounter, 2136 mSDsluCounter, 5430 mSDsCounter, 0 mSdLazyCounter, 1425 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2136 SdHoareTripleChecker+Valid, 6014 SdHoareTripleChecker+Invalid, 1447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:54,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2136 Valid, 6014 Invalid, 1447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1425 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:43:54,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59161 states. [2022-09-16 10:43:54,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59161 to 22058. [2022-09-16 10:43:54,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22058 states, 22014 states have (on average 2.8402380303443264) internal successors, (62525), 22057 states have internal predecessors, (62525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:54,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22058 states to 22058 states and 62525 transitions. [2022-09-16 10:43:54,718 INFO L78 Accepts]: Start accepts. Automaton has 22058 states and 62525 transitions. Word has length 86 [2022-09-16 10:43:54,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:54,718 INFO L495 AbstractCegarLoop]: Abstraction has 22058 states and 62525 transitions. [2022-09-16 10:43:54,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:54,718 INFO L276 IsEmpty]: Start isEmpty. Operand 22058 states and 62525 transitions. [2022-09-16 10:43:54,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:43:54,722 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:54,722 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:54,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-09-16 10:43:54,722 INFO L420 AbstractCegarLoop]: === Iteration 105 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:54,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:54,723 INFO L85 PathProgramCache]: Analyzing trace with hash 545067556, now seen corresponding path program 102 times [2022-09-16 10:43:54,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:54,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271863399] [2022-09-16 10:43:54,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:54,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:54,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:55,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:55,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:55,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271863399] [2022-09-16 10:43:55,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271863399] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:55,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:55,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:43:55,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403066200] [2022-09-16 10:43:55,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:55,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:43:55,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:55,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:43:55,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:43:55,293 INFO L87 Difference]: Start difference. First operand 22058 states and 62525 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:58,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:58,248 INFO L93 Difference]: Finished difference Result 59573 states and 166383 transitions. [2022-09-16 10:43:58,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:43:58,249 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:43:58,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:58,384 INFO L225 Difference]: With dead ends: 59573 [2022-09-16 10:43:58,385 INFO L226 Difference]: Without dead ends: 59573 [2022-09-16 10:43:58,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 488 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:43:58,385 INFO L413 NwaCegarLoop]: 623 mSDtfsCounter, 2163 mSDsluCounter, 5407 mSDsCounter, 0 mSdLazyCounter, 1374 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2163 SdHoareTripleChecker+Valid, 5996 SdHoareTripleChecker+Invalid, 1386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:58,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2163 Valid, 5996 Invalid, 1386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1374 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:43:58,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59573 states. [2022-09-16 10:43:58,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59573 to 21968. [2022-09-16 10:43:58,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21968 states, 21924 states have (on average 2.839673417259624) internal successors, (62257), 21967 states have internal predecessors, (62257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:59,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21968 states to 21968 states and 62257 transitions. [2022-09-16 10:43:59,032 INFO L78 Accepts]: Start accepts. Automaton has 21968 states and 62257 transitions. Word has length 86 [2022-09-16 10:43:59,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:59,032 INFO L495 AbstractCegarLoop]: Abstraction has 21968 states and 62257 transitions. [2022-09-16 10:43:59,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:59,032 INFO L276 IsEmpty]: Start isEmpty. Operand 21968 states and 62257 transitions. [2022-09-16 10:43:59,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:43:59,036 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:59,036 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:59,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-09-16 10:43:59,036 INFO L420 AbstractCegarLoop]: === Iteration 106 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:59,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:59,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1882125570, now seen corresponding path program 103 times [2022-09-16 10:43:59,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:59,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891253726] [2022-09-16 10:43:59,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:59,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:59,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:59,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:59,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891253726] [2022-09-16 10:43:59,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891253726] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:59,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:59,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:43:59,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577598699] [2022-09-16 10:43:59,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:59,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:43:59,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:59,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:43:59,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:43:59,605 INFO L87 Difference]: Start difference. First operand 21968 states and 62257 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:02,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:02,582 INFO L93 Difference]: Finished difference Result 60965 states and 170523 transitions. [2022-09-16 10:44:02,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:44:02,582 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:44:02,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:02,710 INFO L225 Difference]: With dead ends: 60965 [2022-09-16 10:44:02,711 INFO L226 Difference]: Without dead ends: 60965 [2022-09-16 10:44:02,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:44:02,711 INFO L413 NwaCegarLoop]: 622 mSDtfsCounter, 2116 mSDsluCounter, 5471 mSDsCounter, 0 mSdLazyCounter, 1388 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2116 SdHoareTripleChecker+Valid, 6065 SdHoareTripleChecker+Invalid, 1400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:02,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2116 Valid, 6065 Invalid, 1400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1388 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:44:02,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60965 states. [2022-09-16 10:44:03,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60965 to 21923. [2022-09-16 10:44:03,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21923 states, 21879 states have (on average 2.8393893688011334) internal successors, (62123), 21922 states have internal predecessors, (62123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:03,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21923 states to 21923 states and 62123 transitions. [2022-09-16 10:44:03,366 INFO L78 Accepts]: Start accepts. Automaton has 21923 states and 62123 transitions. Word has length 86 [2022-09-16 10:44:03,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:03,366 INFO L495 AbstractCegarLoop]: Abstraction has 21923 states and 62123 transitions. [2022-09-16 10:44:03,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:03,367 INFO L276 IsEmpty]: Start isEmpty. Operand 21923 states and 62123 transitions. [2022-09-16 10:44:03,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:44:03,370 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:03,370 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:03,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-09-16 10:44:03,371 INFO L420 AbstractCegarLoop]: === Iteration 107 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:44:03,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:03,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1215494584, now seen corresponding path program 104 times [2022-09-16 10:44:03,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:03,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967830401] [2022-09-16 10:44:03,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:03,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:03,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:03,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:03,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967830401] [2022-09-16 10:44:03,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967830401] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:03,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:03,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:44:03,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192796020] [2022-09-16 10:44:03,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:03,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:44:03,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:03,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:44:03,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:44:03,809 INFO L87 Difference]: Start difference. First operand 21923 states and 62123 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:06,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:06,922 INFO L93 Difference]: Finished difference Result 48289 states and 135412 transitions. [2022-09-16 10:44:06,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:44:06,923 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:44:06,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:07,023 INFO L225 Difference]: With dead ends: 48289 [2022-09-16 10:44:07,023 INFO L226 Difference]: Without dead ends: 48289 [2022-09-16 10:44:07,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 486 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:44:07,023 INFO L413 NwaCegarLoop]: 610 mSDtfsCounter, 1901 mSDsluCounter, 5689 mSDsCounter, 0 mSdLazyCounter, 1464 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1901 SdHoareTripleChecker+Valid, 6277 SdHoareTripleChecker+Invalid, 1480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:07,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1901 Valid, 6277 Invalid, 1480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1464 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:44:07,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48289 states. [2022-09-16 10:44:07,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48289 to 21743. [2022-09-16 10:44:07,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21743 states, 21699 states have (on average 2.8382413936126087) internal successors, (61587), 21742 states have internal predecessors, (61587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:07,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21743 states to 21743 states and 61587 transitions. [2022-09-16 10:44:07,718 INFO L78 Accepts]: Start accepts. Automaton has 21743 states and 61587 transitions. Word has length 86 [2022-09-16 10:44:07,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:07,718 INFO L495 AbstractCegarLoop]: Abstraction has 21743 states and 61587 transitions. [2022-09-16 10:44:07,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:07,718 INFO L276 IsEmpty]: Start isEmpty. Operand 21743 states and 61587 transitions. [2022-09-16 10:44:07,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:44:07,723 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:07,724 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:07,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-09-16 10:44:07,724 INFO L420 AbstractCegarLoop]: === Iteration 108 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:44:07,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:07,725 INFO L85 PathProgramCache]: Analyzing trace with hash -639355322, now seen corresponding path program 105 times [2022-09-16 10:44:07,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:07,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212871799] [2022-09-16 10:44:07,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:07,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:08,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:08,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:08,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212871799] [2022-09-16 10:44:08,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212871799] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:08,136 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:08,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:44:08,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409741760] [2022-09-16 10:44:08,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:08,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:44:08,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:08,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:44:08,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:44:08,137 INFO L87 Difference]: Start difference. First operand 21743 states and 61587 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:11,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:11,255 INFO L93 Difference]: Finished difference Result 76546 states and 215206 transitions. [2022-09-16 10:44:11,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:44:11,256 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:44:11,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:11,433 INFO L225 Difference]: With dead ends: 76546 [2022-09-16 10:44:11,433 INFO L226 Difference]: Without dead ends: 76546 [2022-09-16 10:44:11,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:44:11,434 INFO L413 NwaCegarLoop]: 623 mSDtfsCounter, 2095 mSDsluCounter, 5894 mSDsCounter, 0 mSdLazyCounter, 1446 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2095 SdHoareTripleChecker+Valid, 6470 SdHoareTripleChecker+Invalid, 1458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:11,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2095 Valid, 6470 Invalid, 1458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1446 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:44:11,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76546 states. [2022-09-16 10:44:12,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76546 to 22148. [2022-09-16 10:44:12,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22148 states, 22104 states have (on average 2.840798045602606) internal successors, (62793), 22147 states have internal predecessors, (62793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:12,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22148 states to 22148 states and 62793 transitions. [2022-09-16 10:44:12,353 INFO L78 Accepts]: Start accepts. Automaton has 22148 states and 62793 transitions. Word has length 86 [2022-09-16 10:44:12,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:12,353 INFO L495 AbstractCegarLoop]: Abstraction has 22148 states and 62793 transitions. [2022-09-16 10:44:12,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:12,353 INFO L276 IsEmpty]: Start isEmpty. Operand 22148 states and 62793 transitions. [2022-09-16 10:44:12,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:44:12,357 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:12,357 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:12,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2022-09-16 10:44:12,357 INFO L420 AbstractCegarLoop]: === Iteration 109 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:44:12,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:12,358 INFO L85 PathProgramCache]: Analyzing trace with hash -64310168, now seen corresponding path program 106 times [2022-09-16 10:44:12,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:12,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153342772] [2022-09-16 10:44:12,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:12,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:12,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:12,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:12,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153342772] [2022-09-16 10:44:12,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153342772] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:12,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:12,784 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:44:12,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356234032] [2022-09-16 10:44:12,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:12,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:44:12,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:12,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:44:12,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:44:12,784 INFO L87 Difference]: Start difference. First operand 22148 states and 62793 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:16,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:16,073 INFO L93 Difference]: Finished difference Result 72475 states and 202123 transitions. [2022-09-16 10:44:16,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:44:16,073 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:44:16,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:16,251 INFO L225 Difference]: With dead ends: 72475 [2022-09-16 10:44:16,251 INFO L226 Difference]: Without dead ends: 72475 [2022-09-16 10:44:16,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:44:16,252 INFO L413 NwaCegarLoop]: 625 mSDtfsCounter, 2089 mSDsluCounter, 5904 mSDsCounter, 0 mSdLazyCounter, 1514 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2089 SdHoareTripleChecker+Valid, 6473 SdHoareTripleChecker+Invalid, 1531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:16,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2089 Valid, 6473 Invalid, 1531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1514 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:44:16,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72475 states. [2022-09-16 10:44:16,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72475 to 22103. [2022-09-16 10:44:16,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22103 states, 22059 states have (on average 2.8405186091844596) internal successors, (62659), 22102 states have internal predecessors, (62659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:17,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22103 states to 22103 states and 62659 transitions. [2022-09-16 10:44:17,040 INFO L78 Accepts]: Start accepts. Automaton has 22103 states and 62659 transitions. Word has length 86 [2022-09-16 10:44:17,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:17,040 INFO L495 AbstractCegarLoop]: Abstraction has 22103 states and 62659 transitions. [2022-09-16 10:44:17,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:17,041 INFO L276 IsEmpty]: Start isEmpty. Operand 22103 states and 62659 transitions. [2022-09-16 10:44:17,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:44:17,044 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:17,044 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:17,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2022-09-16 10:44:17,045 INFO L420 AbstractCegarLoop]: === Iteration 110 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:44:17,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:17,045 INFO L85 PathProgramCache]: Analyzing trace with hash -644606874, now seen corresponding path program 107 times [2022-09-16 10:44:17,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:17,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842977681] [2022-09-16 10:44:17,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:17,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:17,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:17,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:17,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842977681] [2022-09-16 10:44:17,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842977681] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:17,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:17,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:44:17,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372320847] [2022-09-16 10:44:17,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:17,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:44:17,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:17,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:44:17,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:44:17,463 INFO L87 Difference]: Start difference. First operand 22103 states and 62659 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:20,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:20,541 INFO L93 Difference]: Finished difference Result 63640 states and 177846 transitions. [2022-09-16 10:44:20,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:44:20,541 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:44:20,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:20,841 INFO L225 Difference]: With dead ends: 63640 [2022-09-16 10:44:20,841 INFO L226 Difference]: Without dead ends: 63640 [2022-09-16 10:44:20,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 488 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:44:20,841 INFO L413 NwaCegarLoop]: 622 mSDtfsCounter, 1926 mSDsluCounter, 5914 mSDsCounter, 0 mSdLazyCounter, 1447 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1926 SdHoareTripleChecker+Valid, 6495 SdHoareTripleChecker+Invalid, 1460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:20,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1926 Valid, 6495 Invalid, 1460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1447 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:44:20,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63640 states. [2022-09-16 10:44:21,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63640 to 22013. [2022-09-16 10:44:21,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22013 states, 21969 states have (on average 2.8399563020619962) internal successors, (62391), 22012 states have internal predecessors, (62391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:21,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22013 states to 22013 states and 62391 transitions. [2022-09-16 10:44:21,561 INFO L78 Accepts]: Start accepts. Automaton has 22013 states and 62391 transitions. Word has length 86 [2022-09-16 10:44:21,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:21,561 INFO L495 AbstractCegarLoop]: Abstraction has 22013 states and 62391 transitions. [2022-09-16 10:44:21,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:21,561 INFO L276 IsEmpty]: Start isEmpty. Operand 22013 states and 62391 transitions. [2022-09-16 10:44:21,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:44:21,565 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:21,565 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:21,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2022-09-16 10:44:21,565 INFO L420 AbstractCegarLoop]: === Iteration 111 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:44:21,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:21,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1325220888, now seen corresponding path program 108 times [2022-09-16 10:44:21,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:21,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381013569] [2022-09-16 10:44:21,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:21,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:21,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:22,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:22,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:22,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381013569] [2022-09-16 10:44:22,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381013569] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:22,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:22,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:44:22,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848920368] [2022-09-16 10:44:22,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:22,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:44:22,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:22,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:44:22,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:44:22,016 INFO L87 Difference]: Start difference. First operand 22013 states and 62391 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:25,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:25,066 INFO L93 Difference]: Finished difference Result 62896 states and 175732 transitions. [2022-09-16 10:44:25,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:44:25,066 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:44:25,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:25,223 INFO L225 Difference]: With dead ends: 62896 [2022-09-16 10:44:25,223 INFO L226 Difference]: Without dead ends: 62896 [2022-09-16 10:44:25,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:44:25,223 INFO L413 NwaCegarLoop]: 641 mSDtfsCounter, 1961 mSDsluCounter, 5583 mSDsCounter, 0 mSdLazyCounter, 1309 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1961 SdHoareTripleChecker+Valid, 6175 SdHoareTripleChecker+Invalid, 1320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:25,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1961 Valid, 6175 Invalid, 1320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1309 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:44:25,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62896 states. [2022-09-16 10:44:25,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62896 to 22103. [2022-09-16 10:44:25,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22103 states, 22059 states have (on average 2.8405186091844596) internal successors, (62659), 22102 states have internal predecessors, (62659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:25,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22103 states to 22103 states and 62659 transitions. [2022-09-16 10:44:25,993 INFO L78 Accepts]: Start accepts. Automaton has 22103 states and 62659 transitions. Word has length 86 [2022-09-16 10:44:25,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:25,993 INFO L495 AbstractCegarLoop]: Abstraction has 22103 states and 62659 transitions. [2022-09-16 10:44:25,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:25,993 INFO L276 IsEmpty]: Start isEmpty. Operand 22103 states and 62659 transitions. [2022-09-16 10:44:25,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:44:25,997 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:25,997 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:25,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2022-09-16 10:44:25,997 INFO L420 AbstractCegarLoop]: === Iteration 112 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:44:25,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:25,998 INFO L85 PathProgramCache]: Analyzing trace with hash -750175734, now seen corresponding path program 109 times [2022-09-16 10:44:25,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:25,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287646393] [2022-09-16 10:44:25,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:25,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:26,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:26,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:26,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287646393] [2022-09-16 10:44:26,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287646393] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:26,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:26,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:44:26,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973968343] [2022-09-16 10:44:26,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:26,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:44:26,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:26,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:44:26,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:44:26,406 INFO L87 Difference]: Start difference. First operand 22103 states and 62659 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:29,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:29,640 INFO L93 Difference]: Finished difference Result 65124 states and 180851 transitions. [2022-09-16 10:44:29,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:44:29,640 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:44:29,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:29,811 INFO L225 Difference]: With dead ends: 65124 [2022-09-16 10:44:29,811 INFO L226 Difference]: Without dead ends: 65124 [2022-09-16 10:44:29,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:44:29,811 INFO L413 NwaCegarLoop]: 647 mSDtfsCounter, 2185 mSDsluCounter, 5561 mSDsCounter, 0 mSdLazyCounter, 1347 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2185 SdHoareTripleChecker+Valid, 6151 SdHoareTripleChecker+Invalid, 1365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:29,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2185 Valid, 6151 Invalid, 1365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1347 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:44:29,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65124 states. [2022-09-16 10:44:30,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65124 to 22058. [2022-09-16 10:44:30,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22058 states, 22014 states have (on average 2.8402380303443264) internal successors, (62525), 22057 states have internal predecessors, (62525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:30,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22058 states to 22058 states and 62525 transitions. [2022-09-16 10:44:30,573 INFO L78 Accepts]: Start accepts. Automaton has 22058 states and 62525 transitions. Word has length 86 [2022-09-16 10:44:30,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:30,573 INFO L495 AbstractCegarLoop]: Abstraction has 22058 states and 62525 transitions. [2022-09-16 10:44:30,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:30,573 INFO L276 IsEmpty]: Start isEmpty. Operand 22058 states and 62525 transitions. [2022-09-16 10:44:30,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:44:30,577 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:30,577 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:30,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2022-09-16 10:44:30,578 INFO L420 AbstractCegarLoop]: === Iteration 113 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:44:30,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:30,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1818009562, now seen corresponding path program 110 times [2022-09-16 10:44:30,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:30,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779806428] [2022-09-16 10:44:30,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:30,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:30,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:31,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:31,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:31,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779806428] [2022-09-16 10:44:31,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779806428] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:31,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:31,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:44:31,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918801878] [2022-09-16 10:44:31,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:31,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:44:31,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:31,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:44:31,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:44:31,003 INFO L87 Difference]: Start difference. First operand 22058 states and 62525 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:34,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:34,138 INFO L93 Difference]: Finished difference Result 63227 states and 175816 transitions. [2022-09-16 10:44:34,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:44:34,138 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:44:34,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:34,291 INFO L225 Difference]: With dead ends: 63227 [2022-09-16 10:44:34,291 INFO L226 Difference]: Without dead ends: 63227 [2022-09-16 10:44:34,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:44:34,291 INFO L413 NwaCegarLoop]: 639 mSDtfsCounter, 2326 mSDsluCounter, 5921 mSDsCounter, 0 mSdLazyCounter, 1447 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2326 SdHoareTripleChecker+Valid, 6497 SdHoareTripleChecker+Invalid, 1465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:34,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2326 Valid, 6497 Invalid, 1465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1447 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:44:34,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63227 states. [2022-09-16 10:44:35,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63227 to 22103. [2022-09-16 10:44:35,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22103 states, 22059 states have (on average 2.8405186091844596) internal successors, (62659), 22102 states have internal predecessors, (62659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:35,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22103 states to 22103 states and 62659 transitions. [2022-09-16 10:44:35,097 INFO L78 Accepts]: Start accepts. Automaton has 22103 states and 62659 transitions. Word has length 86 [2022-09-16 10:44:35,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:35,097 INFO L495 AbstractCegarLoop]: Abstraction has 22103 states and 62659 transitions. [2022-09-16 10:44:35,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:35,098 INFO L276 IsEmpty]: Start isEmpty. Operand 22103 states and 62659 transitions. [2022-09-16 10:44:35,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:44:35,102 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:35,102 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:35,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2022-09-16 10:44:35,102 INFO L420 AbstractCegarLoop]: === Iteration 114 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:44:35,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:35,102 INFO L85 PathProgramCache]: Analyzing trace with hash 369353260, now seen corresponding path program 111 times [2022-09-16 10:44:35,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:35,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033535584] [2022-09-16 10:44:35,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:35,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:35,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:35,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:35,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033535584] [2022-09-16 10:44:35,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033535584] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:35,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:35,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-09-16 10:44:35,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508400538] [2022-09-16 10:44:35,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:35,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:44:35,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:35,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:44:35,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:44:35,504 INFO L87 Difference]: Start difference. First operand 22103 states and 62659 transitions. Second operand has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:38,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:38,774 INFO L93 Difference]: Finished difference Result 54058 states and 150921 transitions. [2022-09-16 10:44:38,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:44:38,775 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:44:38,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:38,903 INFO L225 Difference]: With dead ends: 54058 [2022-09-16 10:44:38,903 INFO L226 Difference]: Without dead ends: 54058 [2022-09-16 10:44:38,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=654, Invalid=2208, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:44:38,904 INFO L413 NwaCegarLoop]: 634 mSDtfsCounter, 2160 mSDsluCounter, 6517 mSDsCounter, 0 mSdLazyCounter, 1505 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2160 SdHoareTripleChecker+Valid, 7086 SdHoareTripleChecker+Invalid, 1527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:38,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2160 Valid, 7086 Invalid, 1527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1505 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:44:38,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54058 states. [2022-09-16 10:44:39,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54058 to 21923. [2022-09-16 10:44:39,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21923 states, 21879 states have (on average 2.8393893688011334) internal successors, (62123), 21922 states have internal predecessors, (62123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:39,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21923 states to 21923 states and 62123 transitions. [2022-09-16 10:44:39,444 INFO L78 Accepts]: Start accepts. Automaton has 21923 states and 62123 transitions. Word has length 86 [2022-09-16 10:44:39,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:39,445 INFO L495 AbstractCegarLoop]: Abstraction has 21923 states and 62123 transitions. [2022-09-16 10:44:39,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:39,445 INFO L276 IsEmpty]: Start isEmpty. Operand 21923 states and 62123 transitions. [2022-09-16 10:44:39,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:44:39,449 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:39,449 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:39,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2022-09-16 10:44:39,449 INFO L420 AbstractCegarLoop]: === Iteration 115 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:44:39,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:39,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1402963272, now seen corresponding path program 112 times [2022-09-16 10:44:39,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:39,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118828480] [2022-09-16 10:44:39,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:39,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:40,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:40,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:40,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118828480] [2022-09-16 10:44:40,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118828480] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:40,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:40,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:44:40,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732763602] [2022-09-16 10:44:40,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:40,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:44:40,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:40,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:44:40,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:44:40,004 INFO L87 Difference]: Start difference. First operand 21923 states and 62123 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:43,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:43,062 INFO L93 Difference]: Finished difference Result 59867 states and 167843 transitions. [2022-09-16 10:44:43,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:44:43,062 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:44:43,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:43,207 INFO L225 Difference]: With dead ends: 59867 [2022-09-16 10:44:43,207 INFO L226 Difference]: Without dead ends: 59867 [2022-09-16 10:44:43,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:44:43,207 INFO L413 NwaCegarLoop]: 633 mSDtfsCounter, 1944 mSDsluCounter, 5543 mSDsCounter, 0 mSdLazyCounter, 1374 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1944 SdHoareTripleChecker+Valid, 6135 SdHoareTripleChecker+Invalid, 1385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:43,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1944 Valid, 6135 Invalid, 1385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1374 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:44:43,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59867 states. [2022-09-16 10:44:43,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59867 to 22103. [2022-09-16 10:44:43,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22103 states, 22059 states have (on average 2.8405186091844596) internal successors, (62659), 22102 states have internal predecessors, (62659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:43,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22103 states to 22103 states and 62659 transitions. [2022-09-16 10:44:43,916 INFO L78 Accepts]: Start accepts. Automaton has 22103 states and 62659 transitions. Word has length 86 [2022-09-16 10:44:43,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:43,916 INFO L495 AbstractCegarLoop]: Abstraction has 22103 states and 62659 transitions. [2022-09-16 10:44:43,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:43,916 INFO L276 IsEmpty]: Start isEmpty. Operand 22103 states and 62659 transitions. [2022-09-16 10:44:43,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:44:43,920 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:43,920 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:43,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2022-09-16 10:44:43,920 INFO L420 AbstractCegarLoop]: === Iteration 116 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:44:43,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:43,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1978008426, now seen corresponding path program 113 times [2022-09-16 10:44:43,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:43,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794859736] [2022-09-16 10:44:43,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:43,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:44,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:44,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:44,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794859736] [2022-09-16 10:44:44,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794859736] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:44,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:44,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:44:44,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669407321] [2022-09-16 10:44:44,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:44,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:44:44,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:44,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:44:44,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:44:44,314 INFO L87 Difference]: Start difference. First operand 22103 states and 62659 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:47,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:47,386 INFO L93 Difference]: Finished difference Result 55796 states and 154760 transitions. [2022-09-16 10:44:47,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:44:47,386 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:44:47,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:47,525 INFO L225 Difference]: With dead ends: 55796 [2022-09-16 10:44:47,525 INFO L226 Difference]: Without dead ends: 55796 [2022-09-16 10:44:47,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:44:47,526 INFO L413 NwaCegarLoop]: 635 mSDtfsCounter, 1946 mSDsluCounter, 5501 mSDsCounter, 0 mSdLazyCounter, 1410 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1946 SdHoareTripleChecker+Valid, 6087 SdHoareTripleChecker+Invalid, 1427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:47,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1946 Valid, 6087 Invalid, 1427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1410 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:44:47,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55796 states. [2022-09-16 10:44:48,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55796 to 22058. [2022-09-16 10:44:48,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22058 states, 22014 states have (on average 2.8402380303443264) internal successors, (62525), 22057 states have internal predecessors, (62525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:48,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22058 states to 22058 states and 62525 transitions. [2022-09-16 10:44:48,271 INFO L78 Accepts]: Start accepts. Automaton has 22058 states and 62525 transitions. Word has length 86 [2022-09-16 10:44:48,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:48,271 INFO L495 AbstractCegarLoop]: Abstraction has 22058 states and 62525 transitions. [2022-09-16 10:44:48,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:48,271 INFO L276 IsEmpty]: Start isEmpty. Operand 22058 states and 62525 transitions. [2022-09-16 10:44:48,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:44:48,275 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:48,275 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:48,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2022-09-16 10:44:48,275 INFO L420 AbstractCegarLoop]: === Iteration 117 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:44:48,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:48,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1397711720, now seen corresponding path program 114 times [2022-09-16 10:44:48,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:48,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837434430] [2022-09-16 10:44:48,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:48,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:48,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:48,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:48,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837434430] [2022-09-16 10:44:48,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837434430] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:48,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:48,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:44:48,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125429151] [2022-09-16 10:44:48,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:48,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:44:48,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:48,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:44:48,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:44:48,797 INFO L87 Difference]: Start difference. First operand 22058 states and 62525 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:51,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:51,907 INFO L93 Difference]: Finished difference Result 56208 states and 156471 transitions. [2022-09-16 10:44:51,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:44:51,907 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:44:51,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:52,047 INFO L225 Difference]: With dead ends: 56208 [2022-09-16 10:44:52,048 INFO L226 Difference]: Without dead ends: 56208 [2022-09-16 10:44:52,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 488 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:44:52,048 INFO L413 NwaCegarLoop]: 627 mSDtfsCounter, 1828 mSDsluCounter, 5908 mSDsCounter, 0 mSdLazyCounter, 1462 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1828 SdHoareTripleChecker+Valid, 6496 SdHoareTripleChecker+Invalid, 1471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:52,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1828 Valid, 6496 Invalid, 1471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1462 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:44:52,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56208 states. [2022-09-16 10:44:52,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56208 to 21968. [2022-09-16 10:44:52,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21968 states, 21924 states have (on average 2.839673417259624) internal successors, (62257), 21967 states have internal predecessors, (62257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:52,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21968 states to 21968 states and 62257 transitions. [2022-09-16 10:44:52,808 INFO L78 Accepts]: Start accepts. Automaton has 21968 states and 62257 transitions. Word has length 86 [2022-09-16 10:44:52,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:52,808 INFO L495 AbstractCegarLoop]: Abstraction has 21968 states and 62257 transitions. [2022-09-16 10:44:52,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:52,808 INFO L276 IsEmpty]: Start isEmpty. Operand 21968 states and 62257 transitions. [2022-09-16 10:44:52,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:44:52,812 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:52,813 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:52,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2022-09-16 10:44:52,813 INFO L420 AbstractCegarLoop]: === Iteration 118 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:44:52,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:52,813 INFO L85 PathProgramCache]: Analyzing trace with hash -1560197562, now seen corresponding path program 115 times [2022-09-16 10:44:52,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:52,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233503663] [2022-09-16 10:44:52,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:52,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:53,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:53,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:53,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233503663] [2022-09-16 10:44:53,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233503663] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:53,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:53,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:44:53,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489929663] [2022-09-16 10:44:53,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:53,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:44:53,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:53,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:44:53,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:44:53,228 INFO L87 Difference]: Start difference. First operand 21968 states and 62257 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:56,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:44:56,180 INFO L93 Difference]: Finished difference Result 45109 states and 126001 transitions. [2022-09-16 10:44:56,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:44:56,180 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:44:56,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:44:56,275 INFO L225 Difference]: With dead ends: 45109 [2022-09-16 10:44:56,275 INFO L226 Difference]: Without dead ends: 45109 [2022-09-16 10:44:56,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:44:56,275 INFO L413 NwaCegarLoop]: 617 mSDtfsCounter, 2114 mSDsluCounter, 5429 mSDsCounter, 0 mSdLazyCounter, 1372 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2114 SdHoareTripleChecker+Valid, 6016 SdHoareTripleChecker+Invalid, 1390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:44:56,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2114 Valid, 6016 Invalid, 1390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1372 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:44:56,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45109 states. [2022-09-16 10:44:56,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45109 to 21878. [2022-09-16 10:44:56,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21878 states, 21834 states have (on average 2.8391041494916185) internal successors, (61989), 21877 states have internal predecessors, (61989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:56,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21878 states to 21878 states and 61989 transitions. [2022-09-16 10:44:56,875 INFO L78 Accepts]: Start accepts. Automaton has 21878 states and 61989 transitions. Word has length 86 [2022-09-16 10:44:56,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:44:56,876 INFO L495 AbstractCegarLoop]: Abstraction has 21878 states and 61989 transitions. [2022-09-16 10:44:56,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:44:56,876 INFO L276 IsEmpty]: Start isEmpty. Operand 21878 states and 61989 transitions. [2022-09-16 10:44:56,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:44:56,879 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:44:56,879 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:44:56,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2022-09-16 10:44:56,880 INFO L420 AbstractCegarLoop]: === Iteration 119 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:44:56,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:44:56,880 INFO L85 PathProgramCache]: Analyzing trace with hash 261122086, now seen corresponding path program 116 times [2022-09-16 10:44:56,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:44:56,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913963951] [2022-09-16 10:44:56,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:44:56,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:44:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:44:57,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:44:57,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:44:57,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913963951] [2022-09-16 10:44:57,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913963951] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:44:57,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:44:57,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:44:57,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873058982] [2022-09-16 10:44:57,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:44:57,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:44:57,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:44:57,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:44:57,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:44:57,287 INFO L87 Difference]: Start difference. First operand 21878 states and 61989 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:00,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:45:00,401 INFO L93 Difference]: Finished difference Result 73832 states and 206513 transitions. [2022-09-16 10:45:00,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:45:00,402 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:45:00,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:45:00,744 INFO L225 Difference]: With dead ends: 73832 [2022-09-16 10:45:00,744 INFO L226 Difference]: Without dead ends: 73832 [2022-09-16 10:45:00,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:45:00,745 INFO L413 NwaCegarLoop]: 640 mSDtfsCounter, 2188 mSDsluCounter, 6063 mSDsCounter, 0 mSdLazyCounter, 1490 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2188 SdHoareTripleChecker+Valid, 6647 SdHoareTripleChecker+Invalid, 1503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:45:00,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2188 Valid, 6647 Invalid, 1503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1490 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:45:00,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73832 states. [2022-09-16 10:45:01,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73832 to 22283. [2022-09-16 10:45:01,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22283 states, 22239 states have (on average 2.8416295696748954) internal successors, (63195), 22282 states have internal predecessors, (63195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:01,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22283 states to 22283 states and 63195 transitions. [2022-09-16 10:45:01,447 INFO L78 Accepts]: Start accepts. Automaton has 22283 states and 63195 transitions. Word has length 86 [2022-09-16 10:45:01,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:45:01,447 INFO L495 AbstractCegarLoop]: Abstraction has 22283 states and 63195 transitions. [2022-09-16 10:45:01,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:01,447 INFO L276 IsEmpty]: Start isEmpty. Operand 22283 states and 63195 transitions. [2022-09-16 10:45:01,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:45:01,451 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:45:01,451 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:45:01,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2022-09-16 10:45:01,452 INFO L420 AbstractCegarLoop]: === Iteration 120 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:45:01,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:45:01,452 INFO L85 PathProgramCache]: Analyzing trace with hash 836167240, now seen corresponding path program 117 times [2022-09-16 10:45:01,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:45:01,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143302890] [2022-09-16 10:45:01,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:45:01,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:45:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:45:02,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:45:02,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:45:02,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143302890] [2022-09-16 10:45:02,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143302890] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:45:02,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:45:02,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:45:02,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001956508] [2022-09-16 10:45:02,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:45:02,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:45:02,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:45:02,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:45:02,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:45:02,044 INFO L87 Difference]: Start difference. First operand 22283 states and 63195 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:05,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:45:05,109 INFO L93 Difference]: Finished difference Result 69761 states and 193430 transitions. [2022-09-16 10:45:05,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:45:05,109 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:45:05,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:45:05,283 INFO L225 Difference]: With dead ends: 69761 [2022-09-16 10:45:05,283 INFO L226 Difference]: Without dead ends: 69761 [2022-09-16 10:45:05,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:45:05,283 INFO L413 NwaCegarLoop]: 642 mSDtfsCounter, 2193 mSDsluCounter, 5586 mSDsCounter, 0 mSdLazyCounter, 1409 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2193 SdHoareTripleChecker+Valid, 6169 SdHoareTripleChecker+Invalid, 1428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:45:05,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2193 Valid, 6169 Invalid, 1428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1409 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:45:05,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69761 states. [2022-09-16 10:45:05,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69761 to 22238. [2022-09-16 10:45:06,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22238 states, 22194 states have (on average 2.8413535189690906) internal successors, (63061), 22237 states have internal predecessors, (63061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:06,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22238 states to 22238 states and 63061 transitions. [2022-09-16 10:45:06,072 INFO L78 Accepts]: Start accepts. Automaton has 22238 states and 63061 transitions. Word has length 86 [2022-09-16 10:45:06,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:45:06,072 INFO L495 AbstractCegarLoop]: Abstraction has 22238 states and 63061 transitions. [2022-09-16 10:45:06,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:06,073 INFO L276 IsEmpty]: Start isEmpty. Operand 22238 states and 63061 transitions. [2022-09-16 10:45:06,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:45:06,077 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:45:06,077 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:45:06,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2022-09-16 10:45:06,077 INFO L420 AbstractCegarLoop]: === Iteration 121 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:45:06,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:45:06,078 INFO L85 PathProgramCache]: Analyzing trace with hash 255870534, now seen corresponding path program 118 times [2022-09-16 10:45:06,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:45:06,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328128542] [2022-09-16 10:45:06,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:45:06,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:45:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:45:06,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:45:06,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:45:06,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328128542] [2022-09-16 10:45:06,488 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328128542] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:45:06,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:45:06,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:45:06,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008683248] [2022-09-16 10:45:06,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:45:06,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:45:06,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:45:06,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:45:06,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:45:06,489 INFO L87 Difference]: Start difference. First operand 22238 states and 63061 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:09,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:45:09,585 INFO L93 Difference]: Finished difference Result 60926 states and 169153 transitions. [2022-09-16 10:45:09,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:45:09,586 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:45:09,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:45:09,745 INFO L225 Difference]: With dead ends: 60926 [2022-09-16 10:45:09,746 INFO L226 Difference]: Without dead ends: 60926 [2022-09-16 10:45:09,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 488 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:45:09,746 INFO L413 NwaCegarLoop]: 639 mSDtfsCounter, 1893 mSDsluCounter, 5653 mSDsCounter, 0 mSdLazyCounter, 1375 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1893 SdHoareTripleChecker+Valid, 6246 SdHoareTripleChecker+Invalid, 1388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:45:09,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1893 Valid, 6246 Invalid, 1388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1375 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:45:09,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60926 states. [2022-09-16 10:45:10,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60926 to 22148. [2022-09-16 10:45:10,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22148 states, 22104 states have (on average 2.840798045602606) internal successors, (62793), 22147 states have internal predecessors, (62793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:10,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22148 states to 22148 states and 62793 transitions. [2022-09-16 10:45:10,546 INFO L78 Accepts]: Start accepts. Automaton has 22148 states and 62793 transitions. Word has length 86 [2022-09-16 10:45:10,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:45:10,546 INFO L495 AbstractCegarLoop]: Abstraction has 22148 states and 62793 transitions. [2022-09-16 10:45:10,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:10,546 INFO L276 IsEmpty]: Start isEmpty. Operand 22148 states and 62793 transitions. [2022-09-16 10:45:10,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:45:10,551 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:45:10,551 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:45:10,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2022-09-16 10:45:10,551 INFO L420 AbstractCegarLoop]: === Iteration 122 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:45:10,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:45:10,551 INFO L85 PathProgramCache]: Analyzing trace with hash -424743480, now seen corresponding path program 119 times [2022-09-16 10:45:10,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:45:10,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100428381] [2022-09-16 10:45:10,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:45:10,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:45:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:45:11,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:45:11,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:45:11,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100428381] [2022-09-16 10:45:11,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100428381] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:45:11,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:45:11,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:45:11,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487847810] [2022-09-16 10:45:11,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:45:11,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:45:11,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:45:11,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:45:11,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:45:11,154 INFO L87 Difference]: Start difference. First operand 22148 states and 62793 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:14,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:45:14,301 INFO L93 Difference]: Finished difference Result 72364 states and 200538 transitions. [2022-09-16 10:45:14,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:45:14,301 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:45:14,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:45:14,485 INFO L225 Difference]: With dead ends: 72364 [2022-09-16 10:45:14,486 INFO L226 Difference]: Without dead ends: 72364 [2022-09-16 10:45:14,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:45:14,486 INFO L413 NwaCegarLoop]: 658 mSDtfsCounter, 1967 mSDsluCounter, 6118 mSDsCounter, 0 mSdLazyCounter, 1459 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1967 SdHoareTripleChecker+Valid, 6712 SdHoareTripleChecker+Invalid, 1470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:45:14,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1967 Valid, 6712 Invalid, 1470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1459 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:45:14,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72364 states. [2022-09-16 10:45:15,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72364 to 22238. [2022-09-16 10:45:15,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22238 states, 22194 states have (on average 2.8413535189690906) internal successors, (63061), 22237 states have internal predecessors, (63061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:15,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22238 states to 22238 states and 63061 transitions. [2022-09-16 10:45:15,309 INFO L78 Accepts]: Start accepts. Automaton has 22238 states and 63061 transitions. Word has length 86 [2022-09-16 10:45:15,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:45:15,309 INFO L495 AbstractCegarLoop]: Abstraction has 22238 states and 63061 transitions. [2022-09-16 10:45:15,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:15,309 INFO L276 IsEmpty]: Start isEmpty. Operand 22238 states and 63061 transitions. [2022-09-16 10:45:15,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:45:15,313 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:45:15,313 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:45:15,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2022-09-16 10:45:15,313 INFO L420 AbstractCegarLoop]: === Iteration 123 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:45:15,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:45:15,314 INFO L85 PathProgramCache]: Analyzing trace with hash 150301674, now seen corresponding path program 120 times [2022-09-16 10:45:15,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:45:15,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217376528] [2022-09-16 10:45:15,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:45:15,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:45:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:45:15,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:45:15,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:45:15,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217376528] [2022-09-16 10:45:15,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217376528] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:45:15,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:45:15,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:45:15,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798779294] [2022-09-16 10:45:15,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:45:15,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:45:15,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:45:15,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:45:15,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:45:15,717 INFO L87 Difference]: Start difference. First operand 22238 states and 63061 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:18,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:45:18,886 INFO L93 Difference]: Finished difference Result 74592 states and 205657 transitions. [2022-09-16 10:45:18,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:45:18,887 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:45:18,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:45:19,246 INFO L225 Difference]: With dead ends: 74592 [2022-09-16 10:45:19,246 INFO L226 Difference]: Without dead ends: 74592 [2022-09-16 10:45:19,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:45:19,246 INFO L413 NwaCegarLoop]: 664 mSDtfsCounter, 2209 mSDsluCounter, 5670 mSDsCounter, 0 mSdLazyCounter, 1374 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2209 SdHoareTripleChecker+Valid, 6268 SdHoareTripleChecker+Invalid, 1391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:45:19,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2209 Valid, 6268 Invalid, 1391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1374 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:45:19,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74592 states. [2022-09-16 10:45:19,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74592 to 22193. [2022-09-16 10:45:19,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22193 states, 22149 states have (on average 2.8410763465619215) internal successors, (62927), 22192 states have internal predecessors, (62927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:19,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22193 states to 22193 states and 62927 transitions. [2022-09-16 10:45:19,995 INFO L78 Accepts]: Start accepts. Automaton has 22193 states and 62927 transitions. Word has length 86 [2022-09-16 10:45:19,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:45:19,995 INFO L495 AbstractCegarLoop]: Abstraction has 22193 states and 62927 transitions. [2022-09-16 10:45:19,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:19,995 INFO L276 IsEmpty]: Start isEmpty. Operand 22193 states and 62927 transitions. [2022-09-16 10:45:19,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:45:19,999 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:45:19,999 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:45:19,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2022-09-16 10:45:19,999 INFO L420 AbstractCegarLoop]: === Iteration 124 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:45:20,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:45:20,000 INFO L85 PathProgramCache]: Analyzing trace with hash -917532154, now seen corresponding path program 121 times [2022-09-16 10:45:20,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:45:20,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579501712] [2022-09-16 10:45:20,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:45:20,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:45:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:45:20,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:45:20,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:45:20,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579501712] [2022-09-16 10:45:20,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579501712] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:45:20,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:45:20,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:45:20,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188042829] [2022-09-16 10:45:20,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:45:20,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:45:20,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:45:20,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:45:20,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:45:20,381 INFO L87 Difference]: Start difference. First operand 22193 states and 62927 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:23,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:45:23,486 INFO L93 Difference]: Finished difference Result 72695 states and 200622 transitions. [2022-09-16 10:45:23,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:45:23,486 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:45:23,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:45:23,673 INFO L225 Difference]: With dead ends: 72695 [2022-09-16 10:45:23,674 INFO L226 Difference]: Without dead ends: 72695 [2022-09-16 10:45:23,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:45:23,674 INFO L413 NwaCegarLoop]: 656 mSDtfsCounter, 2020 mSDsluCounter, 6109 mSDsCounter, 0 mSdLazyCounter, 1479 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2020 SdHoareTripleChecker+Valid, 6692 SdHoareTripleChecker+Invalid, 1494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:45:23,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2020 Valid, 6692 Invalid, 1494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1479 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:45:23,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72695 states. [2022-09-16 10:45:24,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72695 to 22238. [2022-09-16 10:45:24,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22238 states, 22194 states have (on average 2.8413535189690906) internal successors, (63061), 22237 states have internal predecessors, (63061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:24,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22238 states to 22238 states and 63061 transitions. [2022-09-16 10:45:24,527 INFO L78 Accepts]: Start accepts. Automaton has 22238 states and 63061 transitions. Word has length 86 [2022-09-16 10:45:24,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:45:24,527 INFO L495 AbstractCegarLoop]: Abstraction has 22238 states and 63061 transitions. [2022-09-16 10:45:24,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:24,527 INFO L276 IsEmpty]: Start isEmpty. Operand 22238 states and 63061 transitions. [2022-09-16 10:45:24,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:45:24,531 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:45:24,531 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:45:24,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2022-09-16 10:45:24,531 INFO L420 AbstractCegarLoop]: === Iteration 125 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:45:24,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:45:24,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1269830668, now seen corresponding path program 122 times [2022-09-16 10:45:24,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:45:24,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713005482] [2022-09-16 10:45:24,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:45:24,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:45:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:45:24,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:45:24,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:45:24,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713005482] [2022-09-16 10:45:24,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713005482] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:45:24,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:45:24,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-09-16 10:45:24,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209751620] [2022-09-16 10:45:24,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:45:24,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:45:24,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:45:24,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:45:24,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:45:24,929 INFO L87 Difference]: Start difference. First operand 22238 states and 63061 transitions. Second operand has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:28,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:45:28,209 INFO L93 Difference]: Finished difference Result 62546 states and 173298 transitions. [2022-09-16 10:45:28,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:45:28,210 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:45:28,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:45:28,352 INFO L225 Difference]: With dead ends: 62546 [2022-09-16 10:45:28,353 INFO L226 Difference]: Without dead ends: 62546 [2022-09-16 10:45:28,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=654, Invalid=2208, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:45:28,353 INFO L413 NwaCegarLoop]: 648 mSDtfsCounter, 2067 mSDsluCounter, 6658 mSDsCounter, 0 mSdLazyCounter, 1510 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2067 SdHoareTripleChecker+Valid, 7230 SdHoareTripleChecker+Invalid, 1528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:45:28,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2067 Valid, 7230 Invalid, 1528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1510 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-09-16 10:45:28,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62546 states. [2022-09-16 10:45:28,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62546 to 22058. [2022-09-16 10:45:29,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22058 states, 22014 states have (on average 2.8402380303443264) internal successors, (62525), 22057 states have internal predecessors, (62525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:29,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22058 states to 22058 states and 62525 transitions. [2022-09-16 10:45:29,066 INFO L78 Accepts]: Start accepts. Automaton has 22058 states and 62525 transitions. Word has length 86 [2022-09-16 10:45:29,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:45:29,066 INFO L495 AbstractCegarLoop]: Abstraction has 22058 states and 62525 transitions. [2022-09-16 10:45:29,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:29,066 INFO L276 IsEmpty]: Start isEmpty. Operand 22058 states and 62525 transitions. [2022-09-16 10:45:29,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:45:29,070 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:45:29,070 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:45:29,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2022-09-16 10:45:29,070 INFO L420 AbstractCegarLoop]: === Iteration 126 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:45:29,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:45:29,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1291808806, now seen corresponding path program 123 times [2022-09-16 10:45:29,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:45:29,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624563887] [2022-09-16 10:45:29,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:45:29,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:45:29,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:45:29,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:45:29,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:45:29,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624563887] [2022-09-16 10:45:29,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624563887] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:45:29,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:45:29,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:45:29,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613447672] [2022-09-16 10:45:29,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:45:29,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:45:29,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:45:29,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:45:29,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:45:29,462 INFO L87 Difference]: Start difference. First operand 22058 states and 62525 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:32,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:45:32,492 INFO L93 Difference]: Finished difference Result 57592 states and 160263 transitions. [2022-09-16 10:45:32,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:45:32,493 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:45:32,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:45:32,644 INFO L225 Difference]: With dead ends: 57592 [2022-09-16 10:45:32,645 INFO L226 Difference]: Without dead ends: 57592 [2022-09-16 10:45:32,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:45:32,645 INFO L413 NwaCegarLoop]: 643 mSDtfsCounter, 1915 mSDsluCounter, 6075 mSDsCounter, 0 mSdLazyCounter, 1436 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1915 SdHoareTripleChecker+Valid, 6661 SdHoareTripleChecker+Invalid, 1449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:45:32,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1915 Valid, 6661 Invalid, 1449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1436 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:45:32,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57592 states. [2022-09-16 10:45:33,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57592 to 22238. [2022-09-16 10:45:33,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22238 states, 22194 states have (on average 2.8413535189690906) internal successors, (63061), 22237 states have internal predecessors, (63061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:33,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22238 states to 22238 states and 63061 transitions. [2022-09-16 10:45:33,323 INFO L78 Accepts]: Start accepts. Automaton has 22238 states and 63061 transitions. Word has length 86 [2022-09-16 10:45:33,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:45:33,323 INFO L495 AbstractCegarLoop]: Abstraction has 22238 states and 63061 transitions. [2022-09-16 10:45:33,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:33,323 INFO L276 IsEmpty]: Start isEmpty. Operand 22238 states and 63061 transitions. [2022-09-16 10:45:33,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:45:33,327 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:45:33,327 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:45:33,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2022-09-16 10:45:33,328 INFO L420 AbstractCegarLoop]: === Iteration 127 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:45:33,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:45:33,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1866853960, now seen corresponding path program 124 times [2022-09-16 10:45:33,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:45:33,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878784395] [2022-09-16 10:45:33,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:45:33,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:45:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:45:33,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:45:33,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:45:33,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878784395] [2022-09-16 10:45:33,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878784395] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:45:33,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:45:33,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:45:33,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488347935] [2022-09-16 10:45:33,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:45:33,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:45:33,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:45:33,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:45:33,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:45:33,708 INFO L87 Difference]: Start difference. First operand 22238 states and 63061 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:36,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:45:36,850 INFO L93 Difference]: Finished difference Result 59820 states and 165382 transitions. [2022-09-16 10:45:36,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:45:36,850 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:45:36,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:45:37,001 INFO L225 Difference]: With dead ends: 59820 [2022-09-16 10:45:37,001 INFO L226 Difference]: Without dead ends: 59820 [2022-09-16 10:45:37,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:45:37,002 INFO L413 NwaCegarLoop]: 649 mSDtfsCounter, 2150 mSDsluCounter, 5575 mSDsCounter, 0 mSdLazyCounter, 1349 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2150 SdHoareTripleChecker+Valid, 6164 SdHoareTripleChecker+Invalid, 1366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:45:37,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2150 Valid, 6164 Invalid, 1366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1349 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:45:37,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59820 states. [2022-09-16 10:45:37,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59820 to 22193. [2022-09-16 10:45:37,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22193 states, 22149 states have (on average 2.8410763465619215) internal successors, (62927), 22192 states have internal predecessors, (62927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:37,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22193 states to 22193 states and 62927 transitions. [2022-09-16 10:45:37,780 INFO L78 Accepts]: Start accepts. Automaton has 22193 states and 62927 transitions. Word has length 86 [2022-09-16 10:45:37,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:45:37,780 INFO L495 AbstractCegarLoop]: Abstraction has 22193 states and 62927 transitions. [2022-09-16 10:45:37,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:37,780 INFO L276 IsEmpty]: Start isEmpty. Operand 22193 states and 62927 transitions. [2022-09-16 10:45:37,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:45:37,785 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:45:37,785 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:45:37,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2022-09-16 10:45:37,785 INFO L420 AbstractCegarLoop]: === Iteration 128 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:45:37,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:45:37,786 INFO L85 PathProgramCache]: Analyzing trace with hash 799020132, now seen corresponding path program 125 times [2022-09-16 10:45:37,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:45:37,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736178336] [2022-09-16 10:45:37,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:45:37,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:45:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:45:38,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:45:38,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:45:38,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736178336] [2022-09-16 10:45:38,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736178336] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:45:38,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:45:38,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:45:38,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882797926] [2022-09-16 10:45:38,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:45:38,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:45:38,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:45:38,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:45:38,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:45:38,186 INFO L87 Difference]: Start difference. First operand 22193 states and 62927 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:41,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:45:41,547 INFO L93 Difference]: Finished difference Result 70613 states and 194577 transitions. [2022-09-16 10:45:41,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:45:41,548 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:45:41,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:45:41,728 INFO L225 Difference]: With dead ends: 70613 [2022-09-16 10:45:41,728 INFO L226 Difference]: Without dead ends: 70613 [2022-09-16 10:45:41,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:45:41,729 INFO L413 NwaCegarLoop]: 656 mSDtfsCounter, 2184 mSDsluCounter, 6166 mSDsCounter, 0 mSdLazyCounter, 1481 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2184 SdHoareTripleChecker+Valid, 6749 SdHoareTripleChecker+Invalid, 1499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:45:41,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2184 Valid, 6749 Invalid, 1499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1481 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-09-16 10:45:41,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70613 states. [2022-09-16 10:45:42,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70613 to 22238. [2022-09-16 10:45:42,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22238 states, 22194 states have (on average 2.8413535189690906) internal successors, (63061), 22237 states have internal predecessors, (63061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:42,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22238 states to 22238 states and 63061 transitions. [2022-09-16 10:45:42,579 INFO L78 Accepts]: Start accepts. Automaton has 22238 states and 63061 transitions. Word has length 86 [2022-09-16 10:45:42,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:45:42,579 INFO L495 AbstractCegarLoop]: Abstraction has 22238 states and 63061 transitions. [2022-09-16 10:45:42,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:42,579 INFO L276 IsEmpty]: Start isEmpty. Operand 22238 states and 63061 transitions. [2022-09-16 10:45:42,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:45:42,583 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:45:42,583 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:45:42,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2022-09-16 10:45:42,583 INFO L420 AbstractCegarLoop]: === Iteration 129 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:45:42,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:45:42,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1308584342, now seen corresponding path program 126 times [2022-09-16 10:45:42,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:45:42,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920357623] [2022-09-16 10:45:42,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:45:42,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:45:42,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:45:42,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:45:42,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:45:42,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920357623] [2022-09-16 10:45:42,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920357623] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:45:42,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:45:42,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-09-16 10:45:42,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995172742] [2022-09-16 10:45:42,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:45:42,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:45:42,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:45:42,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:45:42,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:45:42,985 INFO L87 Difference]: Start difference. First operand 22238 states and 63061 transitions. Second operand has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:46,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:45:46,149 INFO L93 Difference]: Finished difference Result 60464 states and 167253 transitions. [2022-09-16 10:45:46,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:45:46,150 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:45:46,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:45:46,293 INFO L225 Difference]: With dead ends: 60464 [2022-09-16 10:45:46,293 INFO L226 Difference]: Without dead ends: 60464 [2022-09-16 10:45:46,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=654, Invalid=2208, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:45:46,294 INFO L413 NwaCegarLoop]: 648 mSDtfsCounter, 1897 mSDsluCounter, 6713 mSDsCounter, 0 mSdLazyCounter, 1512 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1897 SdHoareTripleChecker+Valid, 7285 SdHoareTripleChecker+Invalid, 1525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:45:46,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1897 Valid, 7285 Invalid, 1525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1512 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:45:46,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60464 states. [2022-09-16 10:45:46,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60464 to 22148. [2022-09-16 10:45:47,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22148 states, 22104 states have (on average 2.840798045602606) internal successors, (62793), 22147 states have internal predecessors, (62793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:47,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22148 states to 22148 states and 62793 transitions. [2022-09-16 10:45:47,072 INFO L78 Accepts]: Start accepts. Automaton has 22148 states and 62793 transitions. Word has length 86 [2022-09-16 10:45:47,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:45:47,072 INFO L495 AbstractCegarLoop]: Abstraction has 22148 states and 62793 transitions. [2022-09-16 10:45:47,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:47,072 INFO L276 IsEmpty]: Start isEmpty. Operand 22148 states and 62793 transitions. [2022-09-16 10:45:47,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:45:47,076 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:45:47,076 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:45:47,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2022-09-16 10:45:47,076 INFO L420 AbstractCegarLoop]: === Iteration 130 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:45:47,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:45:47,077 INFO L85 PathProgramCache]: Analyzing trace with hash 455471978, now seen corresponding path program 127 times [2022-09-16 10:45:47,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:45:47,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564369979] [2022-09-16 10:45:47,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:45:47,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:45:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:45:47,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:45:47,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:45:47,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564369979] [2022-09-16 10:45:47,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564369979] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:45:47,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:45:47,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:45:47,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052512593] [2022-09-16 10:45:47,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:45:47,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:45:47,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:45:47,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:45:47,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:45:47,476 INFO L87 Difference]: Start difference. First operand 22148 states and 62793 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:50,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:45:50,628 INFO L93 Difference]: Finished difference Result 57878 states and 160213 transitions. [2022-09-16 10:45:50,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:45:50,629 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:45:50,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:45:50,785 INFO L225 Difference]: With dead ends: 57878 [2022-09-16 10:45:50,785 INFO L226 Difference]: Without dead ends: 57878 [2022-09-16 10:45:50,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:45:50,786 INFO L413 NwaCegarLoop]: 638 mSDtfsCounter, 2147 mSDsluCounter, 6024 mSDsCounter, 0 mSdLazyCounter, 1486 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2147 SdHoareTripleChecker+Valid, 6595 SdHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:45:50,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2147 Valid, 6595 Invalid, 1505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1486 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:45:51,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57878 states. [2022-09-16 10:45:51,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57878 to 22283. [2022-09-16 10:45:51,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22283 states, 22239 states have (on average 2.8416295696748954) internal successors, (63195), 22282 states have internal predecessors, (63195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:51,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22283 states to 22283 states and 63195 transitions. [2022-09-16 10:45:51,556 INFO L78 Accepts]: Start accepts. Automaton has 22283 states and 63195 transitions. Word has length 86 [2022-09-16 10:45:51,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:45:51,556 INFO L495 AbstractCegarLoop]: Abstraction has 22283 states and 63195 transitions. [2022-09-16 10:45:51,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:51,556 INFO L276 IsEmpty]: Start isEmpty. Operand 22283 states and 63195 transitions. [2022-09-16 10:45:51,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:45:51,560 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:45:51,560 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:45:51,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2022-09-16 10:45:51,561 INFO L420 AbstractCegarLoop]: === Iteration 131 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:45:51,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:45:51,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1652132496, now seen corresponding path program 128 times [2022-09-16 10:45:51,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:45:51,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058790473] [2022-09-16 10:45:51,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:45:51,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:45:51,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:45:52,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:45:52,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:45:52,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058790473] [2022-09-16 10:45:52,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058790473] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:45:52,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:45:52,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-09-16 10:45:52,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141963989] [2022-09-16 10:45:52,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:45:52,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:45:52,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:45:52,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:45:52,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:45:52,126 INFO L87 Difference]: Start difference. First operand 22283 states and 63195 transitions. Second operand has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:55,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:45:55,195 INFO L93 Difference]: Finished difference Result 57861 states and 160145 transitions. [2022-09-16 10:45:55,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:45:55,196 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:45:55,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:45:55,346 INFO L225 Difference]: With dead ends: 57861 [2022-09-16 10:45:55,347 INFO L226 Difference]: Without dead ends: 57861 [2022-09-16 10:45:55,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=654, Invalid=2208, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:45:55,347 INFO L413 NwaCegarLoop]: 643 mSDtfsCounter, 2153 mSDsluCounter, 6090 mSDsCounter, 0 mSdLazyCounter, 1417 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2153 SdHoareTripleChecker+Valid, 6664 SdHoareTripleChecker+Invalid, 1430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:45:55,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2153 Valid, 6664 Invalid, 1430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1417 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:45:55,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57861 states. [2022-09-16 10:45:55,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57861 to 22238. [2022-09-16 10:45:56,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22238 states, 22194 states have (on average 2.8413535189690906) internal successors, (63061), 22237 states have internal predecessors, (63061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:56,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22238 states to 22238 states and 63061 transitions. [2022-09-16 10:45:56,053 INFO L78 Accepts]: Start accepts. Automaton has 22238 states and 63061 transitions. Word has length 86 [2022-09-16 10:45:56,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:45:56,053 INFO L495 AbstractCegarLoop]: Abstraction has 22238 states and 63061 transitions. [2022-09-16 10:45:56,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:56,054 INFO L276 IsEmpty]: Start isEmpty. Operand 22238 states and 63061 transitions. [2022-09-16 10:45:56,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:45:56,058 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:45:56,058 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:45:56,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2022-09-16 10:45:56,058 INFO L420 AbstractCegarLoop]: === Iteration 132 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:45:56,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:45:56,058 INFO L85 PathProgramCache]: Analyzing trace with hash 597676070, now seen corresponding path program 129 times [2022-09-16 10:45:56,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:45:56,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218039186] [2022-09-16 10:45:56,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:45:56,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:45:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:45:56,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:45:56,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:45:56,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218039186] [2022-09-16 10:45:56,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218039186] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:45:56,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:45:56,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-09-16 10:45:56,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772327767] [2022-09-16 10:45:56,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:45:56,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:45:56,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:45:56,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:45:56,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:45:56,455 INFO L87 Difference]: Start difference. First operand 22238 states and 63061 transitions. Second operand has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:45:59,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:45:59,632 INFO L93 Difference]: Finished difference Result 47549 states and 132398 transitions. [2022-09-16 10:45:59,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:45:59,632 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:45:59,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:45:59,741 INFO L225 Difference]: With dead ends: 47549 [2022-09-16 10:45:59,741 INFO L226 Difference]: Without dead ends: 47549 [2022-09-16 10:45:59,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=656, Invalid=2206, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:45:59,742 INFO L413 NwaCegarLoop]: 634 mSDtfsCounter, 1801 mSDsluCounter, 6534 mSDsCounter, 0 mSdLazyCounter, 1495 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1801 SdHoareTripleChecker+Valid, 7098 SdHoareTripleChecker+Invalid, 1512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:45:59,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1801 Valid, 7098 Invalid, 1512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1495 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:45:59,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47549 states. [2022-09-16 10:46:00,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47549 to 21788. [2022-09-16 10:46:00,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21788 states, 21744 states have (on average 2.8385301692420897) internal successors, (61721), 21787 states have internal predecessors, (61721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:00,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21788 states to 21788 states and 61721 transitions. [2022-09-16 10:46:00,386 INFO L78 Accepts]: Start accepts. Automaton has 21788 states and 61721 transitions. Word has length 86 [2022-09-16 10:46:00,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:46:00,387 INFO L495 AbstractCegarLoop]: Abstraction has 21788 states and 61721 transitions. [2022-09-16 10:46:00,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:00,387 INFO L276 IsEmpty]: Start isEmpty. Operand 21788 states and 61721 transitions. [2022-09-16 10:46:00,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:46:00,390 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:46:00,390 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:46:00,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2022-09-16 10:46:00,391 INFO L420 AbstractCegarLoop]: === Iteration 133 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:46:00,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:46:00,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1841548284, now seen corresponding path program 130 times [2022-09-16 10:46:00,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:46:00,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424780936] [2022-09-16 10:46:00,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:46:00,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:46:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:46:00,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:46:00,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:46:00,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424780936] [2022-09-16 10:46:00,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424780936] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:46:00,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:46:00,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:46:00,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019410252] [2022-09-16 10:46:00,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:46:00,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:46:00,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:46:00,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:46:00,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:46:00,802 INFO L87 Difference]: Start difference. First operand 21788 states and 61721 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:03,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:46:03,891 INFO L93 Difference]: Finished difference Result 54641 states and 153374 transitions. [2022-09-16 10:46:03,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:46:03,892 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:46:03,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:46:04,168 INFO L225 Difference]: With dead ends: 54641 [2022-09-16 10:46:04,168 INFO L226 Difference]: Without dead ends: 54641 [2022-09-16 10:46:04,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:46:04,168 INFO L413 NwaCegarLoop]: 624 mSDtfsCounter, 2150 mSDsluCounter, 5874 mSDsCounter, 0 mSdLazyCounter, 1437 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2150 SdHoareTripleChecker+Valid, 6451 SdHoareTripleChecker+Invalid, 1450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:46:04,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2150 Valid, 6451 Invalid, 1450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1437 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:46:04,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54641 states. [2022-09-16 10:46:04,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54641 to 22283. [2022-09-16 10:46:04,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22283 states, 22239 states have (on average 2.8416295696748954) internal successors, (63195), 22282 states have internal predecessors, (63195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:04,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22283 states to 22283 states and 63195 transitions. [2022-09-16 10:46:04,894 INFO L78 Accepts]: Start accepts. Automaton has 22283 states and 63195 transitions. Word has length 86 [2022-09-16 10:46:04,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:46:04,894 INFO L495 AbstractCegarLoop]: Abstraction has 22283 states and 63195 transitions. [2022-09-16 10:46:04,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:04,894 INFO L276 IsEmpty]: Start isEmpty. Operand 22283 states and 63195 transitions. [2022-09-16 10:46:04,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:46:04,898 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:46:04,898 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:46:04,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2022-09-16 10:46:04,898 INFO L420 AbstractCegarLoop]: === Iteration 134 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:46:04,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:46:04,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1266503130, now seen corresponding path program 131 times [2022-09-16 10:46:04,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:46:04,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827248757] [2022-09-16 10:46:04,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:46:04,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:46:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:46:05,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:46:05,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:46:05,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827248757] [2022-09-16 10:46:05,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827248757] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:46:05,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:46:05,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:46:05,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652173256] [2022-09-16 10:46:05,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:46:05,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:46:05,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:46:05,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:46:05,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:46:05,305 INFO L87 Difference]: Start difference. First operand 22283 states and 63195 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:08,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:46:08,355 INFO L93 Difference]: Finished difference Result 50570 states and 140291 transitions. [2022-09-16 10:46:08,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:46:08,356 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:46:08,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:46:08,492 INFO L225 Difference]: With dead ends: 50570 [2022-09-16 10:46:08,492 INFO L226 Difference]: Without dead ends: 50570 [2022-09-16 10:46:08,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:46:08,492 INFO L413 NwaCegarLoop]: 626 mSDtfsCounter, 1987 mSDsluCounter, 5380 mSDsCounter, 0 mSdLazyCounter, 1358 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1987 SdHoareTripleChecker+Valid, 5955 SdHoareTripleChecker+Invalid, 1375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:46:08,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1987 Valid, 5955 Invalid, 1375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1358 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:46:08,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50570 states. [2022-09-16 10:46:09,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50570 to 22238. [2022-09-16 10:46:09,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22238 states, 22194 states have (on average 2.8413535189690906) internal successors, (63061), 22237 states have internal predecessors, (63061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:09,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22238 states to 22238 states and 63061 transitions. [2022-09-16 10:46:09,199 INFO L78 Accepts]: Start accepts. Automaton has 22238 states and 63061 transitions. Word has length 86 [2022-09-16 10:46:09,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:46:09,200 INFO L495 AbstractCegarLoop]: Abstraction has 22238 states and 63061 transitions. [2022-09-16 10:46:09,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:09,200 INFO L276 IsEmpty]: Start isEmpty. Operand 22238 states and 63061 transitions. [2022-09-16 10:46:09,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:46:09,204 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:46:09,204 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:46:09,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2022-09-16 10:46:09,204 INFO L420 AbstractCegarLoop]: === Iteration 135 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:46:09,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:46:09,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1846799836, now seen corresponding path program 132 times [2022-09-16 10:46:09,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:46:09,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587003692] [2022-09-16 10:46:09,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:46:09,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:46:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:46:09,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:46:09,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:46:09,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587003692] [2022-09-16 10:46:09,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587003692] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:46:09,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:46:09,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:46:09,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438552383] [2022-09-16 10:46:09,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:46:09,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:46:09,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:46:09,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:46:09,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:46:09,766 INFO L87 Difference]: Start difference. First operand 22238 states and 63061 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:12,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:46:12,848 INFO L93 Difference]: Finished difference Result 41735 states and 116014 transitions. [2022-09-16 10:46:12,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:46:12,849 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:46:12,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:46:12,939 INFO L225 Difference]: With dead ends: 41735 [2022-09-16 10:46:12,939 INFO L226 Difference]: Without dead ends: 41735 [2022-09-16 10:46:12,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 488 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:46:12,940 INFO L413 NwaCegarLoop]: 623 mSDtfsCounter, 1846 mSDsluCounter, 5443 mSDsCounter, 0 mSdLazyCounter, 1329 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1846 SdHoareTripleChecker+Valid, 6028 SdHoareTripleChecker+Invalid, 1344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:46:12,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1846 Valid, 6028 Invalid, 1344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1329 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:46:13,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41735 states. [2022-09-16 10:46:13,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41735 to 22148. [2022-09-16 10:46:13,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22148 states, 22104 states have (on average 2.840798045602606) internal successors, (62793), 22147 states have internal predecessors, (62793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:13,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22148 states to 22148 states and 62793 transitions. [2022-09-16 10:46:13,515 INFO L78 Accepts]: Start accepts. Automaton has 22148 states and 62793 transitions. Word has length 86 [2022-09-16 10:46:13,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:46:13,515 INFO L495 AbstractCegarLoop]: Abstraction has 22148 states and 62793 transitions. [2022-09-16 10:46:13,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:13,515 INFO L276 IsEmpty]: Start isEmpty. Operand 22148 states and 62793 transitions. [2022-09-16 10:46:13,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:46:13,519 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:46:13,519 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:46:13,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2022-09-16 10:46:13,519 INFO L420 AbstractCegarLoop]: === Iteration 136 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:46:13,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:46:13,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1767553446, now seen corresponding path program 133 times [2022-09-16 10:46:13,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:46:13,520 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901403012] [2022-09-16 10:46:13,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:46:13,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:46:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:46:13,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:46:13,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:46:13,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901403012] [2022-09-16 10:46:13,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901403012] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:46:13,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:46:13,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:46:13,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550177316] [2022-09-16 10:46:13,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:46:13,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:46:13,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:46:13,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:46:13,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:46:13,991 INFO L87 Difference]: Start difference. First operand 22148 states and 62793 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:17,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:46:17,178 INFO L93 Difference]: Finished difference Result 53173 states and 147399 transitions. [2022-09-16 10:46:17,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:46:17,178 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:46:17,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:46:17,339 INFO L225 Difference]: With dead ends: 53173 [2022-09-16 10:46:17,339 INFO L226 Difference]: Without dead ends: 53173 [2022-09-16 10:46:17,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:46:17,340 INFO L413 NwaCegarLoop]: 642 mSDtfsCounter, 1923 mSDsluCounter, 5594 mSDsCounter, 0 mSdLazyCounter, 1307 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1923 SdHoareTripleChecker+Valid, 6186 SdHoareTripleChecker+Invalid, 1318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:46:17,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1923 Valid, 6186 Invalid, 1318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1307 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:46:17,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53173 states. [2022-09-16 10:46:17,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53173 to 22238. [2022-09-16 10:46:17,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22238 states, 22194 states have (on average 2.8413535189690906) internal successors, (63061), 22237 states have internal predecessors, (63061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:18,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22238 states to 22238 states and 63061 transitions. [2022-09-16 10:46:18,182 INFO L78 Accepts]: Start accepts. Automaton has 22238 states and 63061 transitions. Word has length 86 [2022-09-16 10:46:18,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:46:18,182 INFO L495 AbstractCegarLoop]: Abstraction has 22238 states and 63061 transitions. [2022-09-16 10:46:18,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:18,182 INFO L276 IsEmpty]: Start isEmpty. Operand 22238 states and 63061 transitions. [2022-09-16 10:46:18,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:46:18,186 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:46:18,186 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:46:18,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2022-09-16 10:46:18,186 INFO L420 AbstractCegarLoop]: === Iteration 137 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:46:18,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:46:18,187 INFO L85 PathProgramCache]: Analyzing trace with hash -1952368696, now seen corresponding path program 134 times [2022-09-16 10:46:18,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:46:18,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329016581] [2022-09-16 10:46:18,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:46:18,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:46:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:46:18,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:46:18,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:46:18,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329016581] [2022-09-16 10:46:18,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329016581] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:46:18,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:46:18,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:46:18,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550259121] [2022-09-16 10:46:18,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:46:18,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:46:18,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:46:18,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:46:18,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:46:18,580 INFO L87 Difference]: Start difference. First operand 22238 states and 63061 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:21,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:46:21,916 INFO L93 Difference]: Finished difference Result 55401 states and 152518 transitions. [2022-09-16 10:46:21,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:46:21,917 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:46:21,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:46:22,068 INFO L225 Difference]: With dead ends: 55401 [2022-09-16 10:46:22,068 INFO L226 Difference]: Without dead ends: 55401 [2022-09-16 10:46:22,068 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:46:22,069 INFO L413 NwaCegarLoop]: 648 mSDtfsCounter, 1954 mSDsluCounter, 6054 mSDsCounter, 0 mSdLazyCounter, 1493 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1954 SdHoareTripleChecker+Valid, 6638 SdHoareTripleChecker+Invalid, 1508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:46:22,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1954 Valid, 6638 Invalid, 1508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1493 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-09-16 10:46:22,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55401 states. [2022-09-16 10:46:22,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55401 to 22193. [2022-09-16 10:46:22,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22193 states, 22149 states have (on average 2.8410763465619215) internal successors, (62927), 22192 states have internal predecessors, (62927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:22,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22193 states to 22193 states and 62927 transitions. [2022-09-16 10:46:22,809 INFO L78 Accepts]: Start accepts. Automaton has 22193 states and 62927 transitions. Word has length 86 [2022-09-16 10:46:22,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:46:22,809 INFO L495 AbstractCegarLoop]: Abstraction has 22193 states and 62927 transitions. [2022-09-16 10:46:22,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:22,809 INFO L276 IsEmpty]: Start isEmpty. Operand 22193 states and 62927 transitions. [2022-09-16 10:46:22,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:46:22,813 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:46:22,813 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:46:22,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2022-09-16 10:46:22,813 INFO L420 AbstractCegarLoop]: === Iteration 138 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:46:22,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:46:22,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1274764772, now seen corresponding path program 135 times [2022-09-16 10:46:22,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:46:22,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981810967] [2022-09-16 10:46:22,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:46:22,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:46:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:46:23,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:46:23,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:46:23,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981810967] [2022-09-16 10:46:23,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981810967] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:46:23,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:46:23,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:46:23,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306351114] [2022-09-16 10:46:23,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:46:23,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:46:23,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:46:23,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:46:23,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:46:23,530 INFO L87 Difference]: Start difference. First operand 22193 states and 62927 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:26,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:46:26,653 INFO L93 Difference]: Finished difference Result 53504 states and 147483 transitions. [2022-09-16 10:46:26,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:46:26,654 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:46:26,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:46:26,788 INFO L225 Difference]: With dead ends: 53504 [2022-09-16 10:46:26,788 INFO L226 Difference]: Without dead ends: 53504 [2022-09-16 10:46:26,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:46:26,789 INFO L413 NwaCegarLoop]: 640 mSDtfsCounter, 2157 mSDsluCounter, 5511 mSDsCounter, 0 mSdLazyCounter, 1309 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2157 SdHoareTripleChecker+Valid, 6093 SdHoareTripleChecker+Invalid, 1326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:46:26,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2157 Valid, 6093 Invalid, 1326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1309 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:46:26,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53504 states. [2022-09-16 10:46:27,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53504 to 22238. [2022-09-16 10:46:27,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22238 states, 22194 states have (on average 2.8413535189690906) internal successors, (63061), 22237 states have internal predecessors, (63061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:27,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22238 states to 22238 states and 63061 transitions. [2022-09-16 10:46:27,470 INFO L78 Accepts]: Start accepts. Automaton has 22238 states and 63061 transitions. Word has length 86 [2022-09-16 10:46:27,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:46:27,470 INFO L495 AbstractCegarLoop]: Abstraction has 22238 states and 63061 transitions. [2022-09-16 10:46:27,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:27,470 INFO L276 IsEmpty]: Start isEmpty. Operand 22238 states and 63061 transitions. [2022-09-16 10:46:27,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:46:27,475 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:46:27,475 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:46:27,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2022-09-16 10:46:27,475 INFO L420 AbstractCegarLoop]: === Iteration 139 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:46:27,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:46:27,475 INFO L85 PathProgramCache]: Analyzing trace with hash -832839702, now seen corresponding path program 136 times [2022-09-16 10:46:27,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:46:27,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84382884] [2022-09-16 10:46:27,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:46:27,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:46:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:46:27,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:46:27,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:46:27,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84382884] [2022-09-16 10:46:27,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84382884] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:46:27,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:46:27,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-09-16 10:46:27,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651469224] [2022-09-16 10:46:27,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:46:27,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:46:27,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:46:27,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:46:27,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:46:27,970 INFO L87 Difference]: Start difference. First operand 22238 states and 63061 transitions. Second operand has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:31,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:46:31,172 INFO L93 Difference]: Finished difference Result 43355 states and 120159 transitions. [2022-09-16 10:46:31,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:46:31,173 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:46:31,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:46:31,387 INFO L225 Difference]: With dead ends: 43355 [2022-09-16 10:46:31,387 INFO L226 Difference]: Without dead ends: 43355 [2022-09-16 10:46:31,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=654, Invalid=2208, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:46:31,387 INFO L413 NwaCegarLoop]: 632 mSDtfsCounter, 1976 mSDsluCounter, 6581 mSDsCounter, 0 mSdLazyCounter, 1494 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1976 SdHoareTripleChecker+Valid, 7147 SdHoareTripleChecker+Invalid, 1511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:46:31,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1976 Valid, 7147 Invalid, 1511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1494 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:46:31,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43355 states. [2022-09-16 10:46:31,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43355 to 22058. [2022-09-16 10:46:31,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22058 states, 22014 states have (on average 2.8402380303443264) internal successors, (62525), 22057 states have internal predecessors, (62525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:31,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22058 states to 22058 states and 62525 transitions. [2022-09-16 10:46:31,897 INFO L78 Accepts]: Start accepts. Automaton has 22058 states and 62525 transitions. Word has length 86 [2022-09-16 10:46:31,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:46:31,897 INFO L495 AbstractCegarLoop]: Abstraction has 22058 states and 62525 transitions. [2022-09-16 10:46:31,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:31,897 INFO L276 IsEmpty]: Start isEmpty. Operand 22058 states and 62525 transitions. [2022-09-16 10:46:31,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:46:31,901 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:46:31,901 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:46:31,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2022-09-16 10:46:31,901 INFO L420 AbstractCegarLoop]: === Iteration 140 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:46:31,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:46:31,902 INFO L85 PathProgramCache]: Analyzing trace with hash -810861564, now seen corresponding path program 137 times [2022-09-16 10:46:31,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:46:31,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931272863] [2022-09-16 10:46:31,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:46:31,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:46:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:46:32,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:46:32,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:46:32,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931272863] [2022-09-16 10:46:32,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931272863] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:46:32,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:46:32,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:46:32,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971668511] [2022-09-16 10:46:32,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:46:32,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:46:32,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:46:32,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:46:32,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:46:32,458 INFO L87 Difference]: Start difference. First operand 22058 states and 62525 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:35,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:46:35,551 INFO L93 Difference]: Finished difference Result 55240 states and 153414 transitions. [2022-09-16 10:46:35,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:46:35,552 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:46:35,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:46:35,697 INFO L225 Difference]: With dead ends: 55240 [2022-09-16 10:46:35,697 INFO L226 Difference]: Without dead ends: 55240 [2022-09-16 10:46:35,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:46:35,698 INFO L413 NwaCegarLoop]: 643 mSDtfsCounter, 1915 mSDsluCounter, 6002 mSDsCounter, 0 mSdLazyCounter, 1425 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1915 SdHoareTripleChecker+Valid, 6588 SdHoareTripleChecker+Invalid, 1438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:46:35,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1915 Valid, 6588 Invalid, 1438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1425 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:46:35,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55240 states. [2022-09-16 10:46:36,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55240 to 22238. [2022-09-16 10:46:36,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22238 states, 22194 states have (on average 2.8413535189690906) internal successors, (63061), 22237 states have internal predecessors, (63061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:36,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22238 states to 22238 states and 63061 transitions. [2022-09-16 10:46:36,446 INFO L78 Accepts]: Start accepts. Automaton has 22238 states and 63061 transitions. Word has length 86 [2022-09-16 10:46:36,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:46:36,446 INFO L495 AbstractCegarLoop]: Abstraction has 22238 states and 63061 transitions. [2022-09-16 10:46:36,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:36,446 INFO L276 IsEmpty]: Start isEmpty. Operand 22238 states and 63061 transitions. [2022-09-16 10:46:36,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:46:36,451 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:46:36,451 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:46:36,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2022-09-16 10:46:36,451 INFO L420 AbstractCegarLoop]: === Iteration 141 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:46:36,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:46:36,451 INFO L85 PathProgramCache]: Analyzing trace with hash -235816410, now seen corresponding path program 138 times [2022-09-16 10:46:36,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:46:36,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278956802] [2022-09-16 10:46:36,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:46:36,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:46:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:46:36,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:46:36,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:46:36,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278956802] [2022-09-16 10:46:36,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278956802] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:46:36,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:46:36,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:46:36,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78295293] [2022-09-16 10:46:36,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:46:36,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:46:36,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:46:36,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:46:36,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:46:36,877 INFO L87 Difference]: Start difference. First operand 22238 states and 63061 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:40,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:46:40,141 INFO L93 Difference]: Finished difference Result 57468 states and 158533 transitions. [2022-09-16 10:46:40,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:46:40,141 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:46:40,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:46:40,322 INFO L225 Difference]: With dead ends: 57468 [2022-09-16 10:46:40,322 INFO L226 Difference]: Without dead ends: 57468 [2022-09-16 10:46:40,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:46:40,323 INFO L413 NwaCegarLoop]: 649 mSDtfsCounter, 2307 mSDsluCounter, 5985 mSDsCounter, 0 mSdLazyCounter, 1488 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2307 SdHoareTripleChecker+Valid, 6568 SdHoareTripleChecker+Invalid, 1506 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:46:40,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2307 Valid, 6568 Invalid, 1506 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1488 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-09-16 10:46:40,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57468 states. [2022-09-16 10:46:41,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57468 to 22193. [2022-09-16 10:46:41,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22193 states, 22149 states have (on average 2.8410763465619215) internal successors, (62927), 22192 states have internal predecessors, (62927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:41,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22193 states to 22193 states and 62927 transitions. [2022-09-16 10:46:41,115 INFO L78 Accepts]: Start accepts. Automaton has 22193 states and 62927 transitions. Word has length 86 [2022-09-16 10:46:41,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:46:41,116 INFO L495 AbstractCegarLoop]: Abstraction has 22193 states and 62927 transitions. [2022-09-16 10:46:41,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:41,116 INFO L276 IsEmpty]: Start isEmpty. Operand 22193 states and 62927 transitions. [2022-09-16 10:46:41,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:46:41,120 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:46:41,120 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:46:41,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2022-09-16 10:46:41,120 INFO L420 AbstractCegarLoop]: === Iteration 142 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:46:41,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:46:41,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1303650238, now seen corresponding path program 139 times [2022-09-16 10:46:41,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:46:41,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133454299] [2022-09-16 10:46:41,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:46:41,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:46:41,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:46:41,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:46:41,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:46:41,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133454299] [2022-09-16 10:46:41,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133454299] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:46:41,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:46:41,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:46:41,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86180293] [2022-09-16 10:46:41,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:46:41,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:46:41,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:46:41,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:46:41,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:46:41,534 INFO L87 Difference]: Start difference. First operand 22193 states and 62927 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:44,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:46:44,998 INFO L93 Difference]: Finished difference Result 68261 states and 187728 transitions. [2022-09-16 10:46:44,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:46:44,998 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:46:44,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:46:45,200 INFO L225 Difference]: With dead ends: 68261 [2022-09-16 10:46:45,200 INFO L226 Difference]: Without dead ends: 68261 [2022-09-16 10:46:45,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:46:45,201 INFO L413 NwaCegarLoop]: 656 mSDtfsCounter, 1998 mSDsluCounter, 6214 mSDsCounter, 0 mSdLazyCounter, 1488 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1998 SdHoareTripleChecker+Valid, 6797 SdHoareTripleChecker+Invalid, 1503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:46:45,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1998 Valid, 6797 Invalid, 1503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1488 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-09-16 10:46:45,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68261 states. [2022-09-16 10:46:45,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68261 to 22238. [2022-09-16 10:46:45,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22238 states, 22194 states have (on average 2.8413535189690906) internal successors, (63061), 22237 states have internal predecessors, (63061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:46,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22238 states to 22238 states and 63061 transitions. [2022-09-16 10:46:46,021 INFO L78 Accepts]: Start accepts. Automaton has 22238 states and 63061 transitions. Word has length 86 [2022-09-16 10:46:46,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:46:46,021 INFO L495 AbstractCegarLoop]: Abstraction has 22238 states and 63061 transitions. [2022-09-16 10:46:46,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:46,021 INFO L276 IsEmpty]: Start isEmpty. Operand 22238 states and 63061 transitions. [2022-09-16 10:46:46,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:46:46,025 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:46:46,025 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:46:46,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2022-09-16 10:46:46,026 INFO L420 AbstractCegarLoop]: === Iteration 143 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:46:46,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:46:46,026 INFO L85 PathProgramCache]: Analyzing trace with hash 883712584, now seen corresponding path program 140 times [2022-09-16 10:46:46,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:46:46,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374599427] [2022-09-16 10:46:46,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:46:46,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:46:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:46:46,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:46:46,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:46:46,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374599427] [2022-09-16 10:46:46,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374599427] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:46:46,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:46:46,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-09-16 10:46:46,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110007837] [2022-09-16 10:46:46,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:46:46,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:46:46,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:46:46,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:46:46,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:46:46,447 INFO L87 Difference]: Start difference. First operand 22238 states and 63061 transitions. Second operand has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:49,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:46:49,596 INFO L93 Difference]: Finished difference Result 58112 states and 160404 transitions. [2022-09-16 10:46:49,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:46:49,596 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:46:49,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:46:49,732 INFO L225 Difference]: With dead ends: 58112 [2022-09-16 10:46:49,732 INFO L226 Difference]: Without dead ends: 58112 [2022-09-16 10:46:49,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=654, Invalid=2208, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:46:49,733 INFO L413 NwaCegarLoop]: 648 mSDtfsCounter, 2085 mSDsluCounter, 6179 mSDsCounter, 0 mSdLazyCounter, 1393 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2085 SdHoareTripleChecker+Valid, 6757 SdHoareTripleChecker+Invalid, 1409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:46:49,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2085 Valid, 6757 Invalid, 1409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1393 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-09-16 10:46:49,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58112 states. [2022-09-16 10:46:50,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58112 to 22148. [2022-09-16 10:46:50,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22148 states, 22104 states have (on average 2.840798045602606) internal successors, (62793), 22147 states have internal predecessors, (62793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:50,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22148 states to 22148 states and 62793 transitions. [2022-09-16 10:46:50,498 INFO L78 Accepts]: Start accepts. Automaton has 22148 states and 62793 transitions. Word has length 86 [2022-09-16 10:46:50,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:46:50,499 INFO L495 AbstractCegarLoop]: Abstraction has 22148 states and 62793 transitions. [2022-09-16 10:46:50,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:50,499 INFO L276 IsEmpty]: Start isEmpty. Operand 22148 states and 62793 transitions. [2022-09-16 10:46:50,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:46:50,503 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:46:50,503 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:46:50,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2022-09-16 10:46:50,503 INFO L420 AbstractCegarLoop]: === Iteration 144 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:46:50,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:46:50,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1647198392, now seen corresponding path program 141 times [2022-09-16 10:46:50,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:46:50,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347549010] [2022-09-16 10:46:50,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:46:50,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:46:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:46:50,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:46:50,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:46:50,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347549010] [2022-09-16 10:46:50,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347549010] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:46:50,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:46:50,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:46:50,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966981428] [2022-09-16 10:46:50,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:46:50,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:46:50,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:46:50,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:46:50,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:46:50,980 INFO L87 Difference]: Start difference. First operand 22148 states and 62793 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:54,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:46:54,250 INFO L93 Difference]: Finished difference Result 55526 states and 153364 transitions. [2022-09-16 10:46:54,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:46:54,250 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:46:54,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:46:54,388 INFO L225 Difference]: With dead ends: 55526 [2022-09-16 10:46:54,389 INFO L226 Difference]: Without dead ends: 55526 [2022-09-16 10:46:54,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:46:54,389 INFO L413 NwaCegarLoop]: 638 mSDtfsCounter, 2114 mSDsluCounter, 6065 mSDsCounter, 0 mSdLazyCounter, 1494 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2114 SdHoareTripleChecker+Valid, 6636 SdHoareTripleChecker+Invalid, 1514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:46:54,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2114 Valid, 6636 Invalid, 1514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1494 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:46:54,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55526 states. [2022-09-16 10:46:54,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55526 to 22283. [2022-09-16 10:46:54,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22283 states, 22239 states have (on average 2.8416295696748954) internal successors, (63195), 22282 states have internal predecessors, (63195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:55,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22283 states to 22283 states and 63195 transitions. [2022-09-16 10:46:55,166 INFO L78 Accepts]: Start accepts. Automaton has 22283 states and 63195 transitions. Word has length 86 [2022-09-16 10:46:55,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:46:55,166 INFO L495 AbstractCegarLoop]: Abstraction has 22283 states and 63195 transitions. [2022-09-16 10:46:55,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:55,166 INFO L276 IsEmpty]: Start isEmpty. Operand 22283 states and 63195 transitions. [2022-09-16 10:46:55,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:46:55,170 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:46:55,170 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:46:55,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2022-09-16 10:46:55,170 INFO L420 AbstractCegarLoop]: === Iteration 145 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:46:55,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:46:55,170 INFO L85 PathProgramCache]: Analyzing trace with hash 540164430, now seen corresponding path program 142 times [2022-09-16 10:46:55,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:46:55,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530107810] [2022-09-16 10:46:55,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:46:55,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:46:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:46:55,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:46:55,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:46:55,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530107810] [2022-09-16 10:46:55,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530107810] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:46:55,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:46:55,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-09-16 10:46:55,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67184546] [2022-09-16 10:46:55,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:46:55,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:46:55,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:46:55,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:46:55,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:46:55,572 INFO L87 Difference]: Start difference. First operand 22283 states and 63195 transitions. Second operand has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:58,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:46:58,618 INFO L93 Difference]: Finished difference Result 55509 states and 153296 transitions. [2022-09-16 10:46:58,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:46:58,619 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:46:58,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:46:58,760 INFO L225 Difference]: With dead ends: 55509 [2022-09-16 10:46:58,760 INFO L226 Difference]: Without dead ends: 55509 [2022-09-16 10:46:58,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=654, Invalid=2208, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:46:58,760 INFO L413 NwaCegarLoop]: 643 mSDtfsCounter, 2300 mSDsluCounter, 6014 mSDsCounter, 0 mSdLazyCounter, 1408 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2300 SdHoareTripleChecker+Valid, 6588 SdHoareTripleChecker+Invalid, 1422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:46:58,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2300 Valid, 6588 Invalid, 1422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1408 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:46:58,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55509 states. [2022-09-16 10:46:59,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55509 to 22238. [2022-09-16 10:46:59,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22238 states, 22194 states have (on average 2.8413535189690906) internal successors, (63061), 22237 states have internal predecessors, (63061), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:59,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22238 states to 22238 states and 63061 transitions. [2022-09-16 10:46:59,472 INFO L78 Accepts]: Start accepts. Automaton has 22238 states and 63061 transitions. Word has length 86 [2022-09-16 10:46:59,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:46:59,472 INFO L495 AbstractCegarLoop]: Abstraction has 22238 states and 63061 transitions. [2022-09-16 10:46:59,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:46:59,472 INFO L276 IsEmpty]: Start isEmpty. Operand 22238 states and 63061 transitions. [2022-09-16 10:46:59,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:46:59,476 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:46:59,477 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:46:59,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2022-09-16 10:46:59,477 INFO L420 AbstractCegarLoop]: === Iteration 146 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:46:59,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:46:59,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1504994300, now seen corresponding path program 143 times [2022-09-16 10:46:59,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:46:59,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618837230] [2022-09-16 10:46:59,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:46:59,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:46:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:47:00,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:47:00,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:47:00,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618837230] [2022-09-16 10:47:00,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618837230] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:47:00,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:47:00,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-09-16 10:47:00,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274421026] [2022-09-16 10:47:00,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:47:00,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:47:00,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:47:00,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:47:00,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:47:00,022 INFO L87 Difference]: Start difference. First operand 22238 states and 63061 transitions. Second operand has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:03,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:47:03,007 INFO L93 Difference]: Finished difference Result 45197 states and 125549 transitions. [2022-09-16 10:47:03,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:47:03,008 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:47:03,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:47:03,100 INFO L225 Difference]: With dead ends: 45197 [2022-09-16 10:47:03,100 INFO L226 Difference]: Without dead ends: 45197 [2022-09-16 10:47:03,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=656, Invalid=2206, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:47:03,101 INFO L413 NwaCegarLoop]: 632 mSDtfsCounter, 2135 mSDsluCounter, 6412 mSDsCounter, 0 mSdLazyCounter, 1487 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2135 SdHoareTripleChecker+Valid, 6974 SdHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:47:03,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2135 Valid, 6974 Invalid, 1505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1487 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:47:03,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45197 states. [2022-09-16 10:47:03,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45197 to 21878. [2022-09-16 10:47:03,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21878 states, 21834 states have (on average 2.8391041494916185) internal successors, (61989), 21877 states have internal predecessors, (61989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:03,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21878 states to 21878 states and 61989 transitions. [2022-09-16 10:47:03,731 INFO L78 Accepts]: Start accepts. Automaton has 21878 states and 61989 transitions. Word has length 86 [2022-09-16 10:47:03,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:47:03,731 INFO L495 AbstractCegarLoop]: Abstraction has 21878 states and 61989 transitions. [2022-09-16 10:47:03,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:03,731 INFO L276 IsEmpty]: Start isEmpty. Operand 21878 states and 61989 transitions. [2022-09-16 10:47:03,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:47:03,735 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:47:03,735 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:47:03,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2022-09-16 10:47:03,735 INFO L420 AbstractCegarLoop]: === Iteration 147 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:47:03,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:47:03,735 INFO L85 PathProgramCache]: Analyzing trace with hash -125742076, now seen corresponding path program 144 times [2022-09-16 10:47:03,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:47:03,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187451858] [2022-09-16 10:47:03,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:47:03,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:47:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:47:04,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:47:04,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:47:04,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187451858] [2022-09-16 10:47:04,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187451858] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:47:04,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:47:04,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:47:04,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811728458] [2022-09-16 10:47:04,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:47:04,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:47:04,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:47:04,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:47:04,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:47:04,143 INFO L87 Difference]: Start difference. First operand 21878 states and 61989 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:07,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:47:07,188 INFO L93 Difference]: Finished difference Result 38221 states and 106588 transitions. [2022-09-16 10:47:07,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:47:07,188 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:47:07,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:47:07,267 INFO L225 Difference]: With dead ends: 38221 [2022-09-16 10:47:07,267 INFO L226 Difference]: Without dead ends: 38221 [2022-09-16 10:47:07,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:47:07,268 INFO L413 NwaCegarLoop]: 626 mSDtfsCounter, 2006 mSDsluCounter, 6014 mSDsCounter, 0 mSdLazyCounter, 1401 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2006 SdHoareTripleChecker+Valid, 6591 SdHoareTripleChecker+Invalid, 1419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:47:07,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2006 Valid, 6591 Invalid, 1419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1401 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:47:07,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38221 states. [2022-09-16 10:47:07,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38221 to 22103. [2022-09-16 10:47:07,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22103 states, 22059 states have (on average 2.8405186091844596) internal successors, (62659), 22102 states have internal predecessors, (62659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:07,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22103 states to 22103 states and 62659 transitions. [2022-09-16 10:47:07,842 INFO L78 Accepts]: Start accepts. Automaton has 22103 states and 62659 transitions. Word has length 86 [2022-09-16 10:47:07,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:47:07,842 INFO L495 AbstractCegarLoop]: Abstraction has 22103 states and 62659 transitions. [2022-09-16 10:47:07,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:07,843 INFO L276 IsEmpty]: Start isEmpty. Operand 22103 states and 62659 transitions. [2022-09-16 10:47:07,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:47:07,847 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:47:07,847 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:47:07,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2022-09-16 10:47:07,847 INFO L420 AbstractCegarLoop]: === Iteration 148 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:47:07,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:47:07,847 INFO L85 PathProgramCache]: Analyzing trace with hash 449303078, now seen corresponding path program 145 times [2022-09-16 10:47:07,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:47:07,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634255421] [2022-09-16 10:47:07,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:47:07,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:47:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:47:08,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:47:08,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:47:08,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634255421] [2022-09-16 10:47:08,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634255421] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:47:08,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:47:08,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:47:08,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117843600] [2022-09-16 10:47:08,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:47:08,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:47:08,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:47:08,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:47:08,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:47:08,257 INFO L87 Difference]: Start difference. First operand 22103 states and 62659 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:11,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:47:11,297 INFO L93 Difference]: Finished difference Result 40449 states and 111707 transitions. [2022-09-16 10:47:11,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:47:11,297 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:47:11,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:47:11,391 INFO L225 Difference]: With dead ends: 40449 [2022-09-16 10:47:11,391 INFO L226 Difference]: Without dead ends: 40449 [2022-09-16 10:47:11,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:47:11,392 INFO L413 NwaCegarLoop]: 632 mSDtfsCounter, 1893 mSDsluCounter, 5901 mSDsCounter, 0 mSdLazyCounter, 1450 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1893 SdHoareTripleChecker+Valid, 6475 SdHoareTripleChecker+Invalid, 1465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:47:11,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1893 Valid, 6475 Invalid, 1465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1450 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:47:11,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40449 states. [2022-09-16 10:47:11,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40449 to 22058. [2022-09-16 10:47:11,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22058 states, 22014 states have (on average 2.8402380303443264) internal successors, (62525), 22057 states have internal predecessors, (62525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:11,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22058 states to 22058 states and 62525 transitions. [2022-09-16 10:47:11,998 INFO L78 Accepts]: Start accepts. Automaton has 22058 states and 62525 transitions. Word has length 86 [2022-09-16 10:47:11,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:47:11,998 INFO L495 AbstractCegarLoop]: Abstraction has 22058 states and 62525 transitions. [2022-09-16 10:47:11,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:11,998 INFO L276 IsEmpty]: Start isEmpty. Operand 22058 states and 62525 transitions. [2022-09-16 10:47:12,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:47:12,002 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:47:12,002 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:47:12,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2022-09-16 10:47:12,003 INFO L420 AbstractCegarLoop]: === Iteration 149 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:47:12,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:47:12,003 INFO L85 PathProgramCache]: Analyzing trace with hash -618530750, now seen corresponding path program 146 times [2022-09-16 10:47:12,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:47:12,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309772502] [2022-09-16 10:47:12,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:47:12,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:47:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:47:12,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:47:12,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:47:12,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309772502] [2022-09-16 10:47:12,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309772502] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:47:12,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:47:12,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:47:12,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925317106] [2022-09-16 10:47:12,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:47:12,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:47:12,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:47:12,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:47:12,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:47:12,396 INFO L87 Difference]: Start difference. First operand 22058 states and 62525 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:15,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:47:15,502 INFO L93 Difference]: Finished difference Result 51242 states and 140902 transitions. [2022-09-16 10:47:15,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:47:15,502 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:47:15,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:47:15,633 INFO L225 Difference]: With dead ends: 51242 [2022-09-16 10:47:15,633 INFO L226 Difference]: Without dead ends: 51242 [2022-09-16 10:47:15,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:47:15,634 INFO L413 NwaCegarLoop]: 639 mSDtfsCounter, 1952 mSDsluCounter, 6059 mSDsCounter, 0 mSdLazyCounter, 1445 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1952 SdHoareTripleChecker+Valid, 6633 SdHoareTripleChecker+Invalid, 1460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:47:15,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1952 Valid, 6633 Invalid, 1460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1445 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:47:15,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51242 states. [2022-09-16 10:47:16,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51242 to 22103. [2022-09-16 10:47:16,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22103 states, 22059 states have (on average 2.8405186091844596) internal successors, (62659), 22102 states have internal predecessors, (62659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:16,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22103 states to 22103 states and 62659 transitions. [2022-09-16 10:47:16,339 INFO L78 Accepts]: Start accepts. Automaton has 22103 states and 62659 transitions. Word has length 86 [2022-09-16 10:47:16,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:47:16,339 INFO L495 AbstractCegarLoop]: Abstraction has 22103 states and 62659 transitions. [2022-09-16 10:47:16,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:16,339 INFO L276 IsEmpty]: Start isEmpty. Operand 22103 states and 62659 transitions. [2022-09-16 10:47:16,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:47:16,343 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:47:16,343 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:47:16,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2022-09-16 10:47:16,343 INFO L420 AbstractCegarLoop]: === Iteration 150 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:47:16,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:47:16,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1568832072, now seen corresponding path program 147 times [2022-09-16 10:47:16,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:47:16,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687207459] [2022-09-16 10:47:16,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:47:16,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:47:16,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:47:16,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:47:16,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:47:16,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687207459] [2022-09-16 10:47:16,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687207459] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:47:16,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:47:16,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-09-16 10:47:16,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898904491] [2022-09-16 10:47:16,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:47:16,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:47:16,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:47:16,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:47:16,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:47:16,910 INFO L87 Difference]: Start difference. First operand 22103 states and 62659 transitions. Second operand has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:19,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:47:19,876 INFO L93 Difference]: Finished difference Result 41093 states and 113578 transitions. [2022-09-16 10:47:19,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:47:19,876 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:47:19,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:47:19,967 INFO L225 Difference]: With dead ends: 41093 [2022-09-16 10:47:19,967 INFO L226 Difference]: Without dead ends: 41093 [2022-09-16 10:47:19,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=654, Invalid=2208, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:47:19,968 INFO L413 NwaCegarLoop]: 631 mSDtfsCounter, 2066 mSDsluCounter, 6013 mSDsCounter, 0 mSdLazyCounter, 1358 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2066 SdHoareTripleChecker+Valid, 6583 SdHoareTripleChecker+Invalid, 1374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:47:19,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2066 Valid, 6583 Invalid, 1374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1358 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:47:20,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41093 states. [2022-09-16 10:47:20,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41093 to 22013. [2022-09-16 10:47:20,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22013 states, 21969 states have (on average 2.8399563020619962) internal successors, (62391), 22012 states have internal predecessors, (62391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:20,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22013 states to 22013 states and 62391 transitions. [2022-09-16 10:47:20,476 INFO L78 Accepts]: Start accepts. Automaton has 22013 states and 62391 transitions. Word has length 86 [2022-09-16 10:47:20,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:47:20,476 INFO L495 AbstractCegarLoop]: Abstraction has 22013 states and 62391 transitions. [2022-09-16 10:47:20,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:20,476 INFO L276 IsEmpty]: Start isEmpty. Operand 22013 states and 62391 transitions. [2022-09-16 10:47:20,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:47:20,480 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:47:20,480 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:47:20,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2022-09-16 10:47:20,480 INFO L420 AbstractCegarLoop]: === Iteration 151 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:47:20,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:47:20,480 INFO L85 PathProgramCache]: Analyzing trace with hash -962078904, now seen corresponding path program 148 times [2022-09-16 10:47:20,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:47:20,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336660123] [2022-09-16 10:47:20,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:47:20,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:47:20,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:47:20,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:47:20,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:47:20,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336660123] [2022-09-16 10:47:20,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336660123] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:47:20,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:47:20,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:47:20,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045919280] [2022-09-16 10:47:20,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:47:20,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:47:20,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:47:20,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:47:20,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:47:20,950 INFO L87 Difference]: Start difference. First operand 22013 states and 62391 transitions. Second operand has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:24,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:47:24,040 INFO L93 Difference]: Finished difference Result 53174 states and 146515 transitions. [2022-09-16 10:47:24,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:47:24,040 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:47:24,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:47:24,170 INFO L225 Difference]: With dead ends: 53174 [2022-09-16 10:47:24,170 INFO L226 Difference]: Without dead ends: 53174 [2022-09-16 10:47:24,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:47:24,170 INFO L413 NwaCegarLoop]: 637 mSDtfsCounter, 1965 mSDsluCounter, 6001 mSDsCounter, 0 mSdLazyCounter, 1473 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1965 SdHoareTripleChecker+Valid, 6571 SdHoareTripleChecker+Invalid, 1490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:47:24,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1965 Valid, 6571 Invalid, 1490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1473 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:47:24,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53174 states. [2022-09-16 10:47:24,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53174 to 22148. [2022-09-16 10:47:24,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22148 states, 22104 states have (on average 2.840798045602606) internal successors, (62793), 22147 states have internal predecessors, (62793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:24,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22148 states to 22148 states and 62793 transitions. [2022-09-16 10:47:24,751 INFO L78 Accepts]: Start accepts. Automaton has 22148 states and 62793 transitions. Word has length 86 [2022-09-16 10:47:24,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:47:24,751 INFO L495 AbstractCegarLoop]: Abstraction has 22148 states and 62793 transitions. [2022-09-16 10:47:24,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 3.909090909090909) internal successors, (86), 22 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:24,751 INFO L276 IsEmpty]: Start isEmpty. Operand 22148 states and 62793 transitions. [2022-09-16 10:47:24,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:47:24,755 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:47:24,755 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:47:24,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2022-09-16 10:47:24,755 INFO L420 AbstractCegarLoop]: === Iteration 152 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:47:24,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:47:24,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1225283918, now seen corresponding path program 149 times [2022-09-16 10:47:24,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:47:24,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028974232] [2022-09-16 10:47:24,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:47:24,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:47:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:47:25,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:47:25,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:47:25,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028974232] [2022-09-16 10:47:25,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028974232] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:47:25,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:47:25,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-09-16 10:47:25,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442882080] [2022-09-16 10:47:25,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:47:25,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:47:25,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:47:25,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:47:25,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:47:25,312 INFO L87 Difference]: Start difference. First operand 22148 states and 62793 transitions. Second operand has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:28,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:47:28,358 INFO L93 Difference]: Finished difference Result 53157 states and 146447 transitions. [2022-09-16 10:47:28,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:47:28,358 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-09-16 10:47:28,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:47:28,492 INFO L225 Difference]: With dead ends: 53157 [2022-09-16 10:47:28,492 INFO L226 Difference]: Without dead ends: 53157 [2022-09-16 10:47:28,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=654, Invalid=2208, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:47:28,493 INFO L413 NwaCegarLoop]: 642 mSDtfsCounter, 1987 mSDsluCounter, 6065 mSDsCounter, 0 mSdLazyCounter, 1409 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1987 SdHoareTripleChecker+Valid, 6638 SdHoareTripleChecker+Invalid, 1420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:47:28,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1987 Valid, 6638 Invalid, 1420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1409 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:47:28,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53157 states. [2022-09-16 10:47:29,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53157 to 22103. [2022-09-16 10:47:29,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22103 states, 22059 states have (on average 2.8405186091844596) internal successors, (62659), 22102 states have internal predecessors, (62659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:29,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22103 states to 22103 states and 62659 transitions. [2022-09-16 10:47:29,104 INFO L78 Accepts]: Start accepts. Automaton has 22103 states and 62659 transitions. Word has length 86 [2022-09-16 10:47:29,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:47:29,104 INFO L495 AbstractCegarLoop]: Abstraction has 22103 states and 62659 transitions. [2022-09-16 10:47:29,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.739130434782609) internal successors, (86), 23 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:47:29,105 INFO L276 IsEmpty]: Start isEmpty. Operand 22103 states and 62659 transitions. [2022-09-16 10:47:29,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-09-16 10:47:29,109 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:47:29,109 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:47:29,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2022-09-16 10:47:29,109 INFO L420 AbstractCegarLoop]: === Iteration 153 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:47:29,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:47:29,109 INFO L85 PathProgramCache]: Analyzing trace with hash -819874812, now seen corresponding path program 150 times [2022-09-16 10:47:29,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:47:29,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067050145] [2022-09-16 10:47:29,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:47:29,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:47:29,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-09-16 10:47:29,411 WARN L249 SmtUtils]: Removed 2 from assertion stack [2022-09-16 10:47:29,413 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-09-16 10:47:29,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2022-09-16 10:47:29,414 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 87 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 0ms.. [2022-09-16 10:47:29,416 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2022-09-16 10:47:29,416 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 8 remaining) [2022-09-16 10:47:29,416 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-09-16 10:47:29,416 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-09-16 10:47:29,416 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-09-16 10:47:29,416 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-09-16 10:47:29,416 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-09-16 10:47:29,419 INFO L444 BasicCegarLoop]: Path program histogram: [150, 1, 1, 1] [2022-09-16 10:47:29,422 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:47:29,422 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:47:29,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:47:29 BasicIcfg [2022-09-16 10:47:29,424 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:47:29,424 INFO L158 Benchmark]: Toolchain (without parser) took 682240.93ms. Allocated memory was 188.7MB in the beginning and 7.2GB in the end (delta: 7.0GB). Free memory was 128.4MB in the beginning and 4.8GB in the end (delta: -4.6GB). Peak memory consumption was 2.8GB. Max. memory is 8.0GB. [2022-09-16 10:47:29,424 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 188.7MB. Free memory is still 148.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:47:29,424 INFO L158 Benchmark]: CACSL2BoogieTranslator took 942.71ms. Allocated memory is still 188.7MB. Free memory was 128.0MB in the beginning and 117.8MB in the end (delta: 10.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-09-16 10:47:29,425 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.99ms. Allocated memory is still 188.7MB. Free memory was 117.6MB in the beginning and 114.3MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:47:29,425 INFO L158 Benchmark]: Boogie Preprocessor took 35.37ms. Allocated memory is still 188.7MB. Free memory was 114.3MB in the beginning and 111.8MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:47:29,426 INFO L158 Benchmark]: RCFGBuilder took 647.63ms. Allocated memory is still 188.7MB. Free memory was 111.8MB in the beginning and 149.8MB in the end (delta: -38.0MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-09-16 10:47:29,426 INFO L158 Benchmark]: TraceAbstraction took 680556.56ms. Allocated memory was 188.7MB in the beginning and 7.2GB in the end (delta: 7.0GB). Free memory was 149.2MB in the beginning and 4.8GB in the end (delta: -4.6GB). Peak memory consumption was 2.8GB. Max. memory is 8.0GB. [2022-09-16 10:47:29,426 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 188.7MB. Free memory is still 148.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 942.71ms. Allocated memory is still 188.7MB. Free memory was 128.0MB in the beginning and 117.8MB in the end (delta: 10.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.99ms. Allocated memory is still 188.7MB. Free memory was 117.6MB in the beginning and 114.3MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.37ms. Allocated memory is still 188.7MB. Free memory was 114.3MB in the beginning and 111.8MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 647.63ms. Allocated memory is still 188.7MB. Free memory was 111.8MB in the beginning and 149.8MB in the end (delta: -38.0MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 680556.56ms. Allocated memory was 188.7MB in the beginning and 7.2GB in the end (delta: 7.0GB). Free memory was 149.2MB in the beginning and 4.8GB in the end (delta: -4.6GB). Peak memory consumption was 2.8GB. 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 - TimeoutResultAtElement [Line: 1712]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while NwaCegarLoop was analyzing trace of length 87 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 0ms.. - TimeoutResultAtElement [Line: 1726]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while NwaCegarLoop was analyzing trace of length 87 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 0ms.. - TimeoutResultAtElement [Line: 1727]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while NwaCegarLoop was analyzing trace of length 87 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 0ms.. - TimeoutResultAtElement [Line: 1712]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while NwaCegarLoop was analyzing trace of length 87 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 0ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 210 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 680.4s, OverallIterations: 153, TraceHistogramMax: 1, PathProgramHistogramMax: 150, EmptinessCheckTime: 0.8s, AutomataDifference: 493.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 313244 SdHoareTripleChecker+Valid, 126.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 313244 mSDsluCounter, 968195 SdHoareTripleChecker+Invalid, 106.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 880192 mSDsCounter, 2499 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 213305 IncrementalHoareTripleChecker+Invalid, 215804 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2499 mSolverCounterUnsat, 95534 mSDtfsCounter, 213305 mSolverCounterSat, 2.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8603 GetRequests, 882 SyntacticMatches, 0 SemanticMatches, 7721 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74148 ImplicationChecksByTransitivity, 322.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22328occurred in iteration=78, InterpolantAutomatonStates: 5126, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 111.6s AutomataMinimizationTime, 152 MinimizatonAttempts, 5769307 StatesRemovedByMinimization, 152 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 69.0s InterpolantComputationTime, 13041 NumberOfCodeBlocks, 13041 NumberOfCodeBlocksAsserted, 152 NumberOfCheckSat, 12889 ConstructedInterpolants, 0 QuantifiedInterpolants, 106296 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 152 InterpolantComputations, 152 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown