/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-3_1-container_of-global.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:36:07,099 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-09-16 10:36:07,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:36:07,155 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:36:07,156 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:36:07,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:36:07,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:36:07,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:36:07,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:36:07,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:36:07,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:36:07,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:36:07,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:36:07,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:36:07,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-16 10:36:07,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-16 10:36:07,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-16 10:36:07,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-16 10:36:07,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-16 10:36:07,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-09-16 10:36:07,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:36:07,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:36:07,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:36:07,190 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 10:36:07,228 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:36:07,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:36:07,229 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:36:07,229 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:36:07,230 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:36:07,230 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:36:07,230 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:36:07,231 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:36:07,231 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:36:07,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:36:07,232 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:36:07,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:36:07,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:36:07,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:36:07,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:36:07,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:36:07,232 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:36:07,232 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:36:07,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:36:07,233 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:36:07,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:36:07,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:36:07,233 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:36:07,233 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:36:07,233 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:36:07,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:36:07,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:36:07,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:36:07,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:36:07,234 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:36:07,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:36:07,234 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:36:07,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:36:07,235 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:36:07,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:36:07,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:36:07,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:36:07,503 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:36:07,504 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:36:07,505 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2022-09-16 10:36:07,558 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e27014b43/fcb1bea1bfed41748e50f5f6bffb8fe1/FLAGe0ed1dbbe [2022-09-16 10:36:08,163 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:36:08,164 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2022-09-16 10:36:08,192 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e27014b43/fcb1bea1bfed41748e50f5f6bffb8fe1/FLAGe0ed1dbbe [2022-09-16 10:36:08,564 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e27014b43/fcb1bea1bfed41748e50f5f6bffb8fe1 [2022-09-16 10:36:08,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:36:08,567 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:36:08,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:36:08,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:36:08,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:36:08,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:36:08" (1/1) ... [2022-09-16 10:36:08,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3143e166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:08, skipping insertion in model container [2022-09-16 10:36:08,578 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:36:08" (1/1) ... [2022-09-16 10:36:08,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:36:08,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:36:09,181 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-3_1-container_of-global.i[76084,76097] [2022-09-16 10:36:09,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:36:09,224 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:36:09,292 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-3_1-container_of-global.i[76084,76097] [2022-09-16 10:36:09,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:36:09,404 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:36:09,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:09 WrapperNode [2022-09-16 10:36:09,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:36:09,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:36:09,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:36:09,407 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:36:09,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:09" (1/1) ... [2022-09-16 10:36:09,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:09" (1/1) ... [2022-09-16 10:36:09,495 INFO L138 Inliner]: procedures = 482, calls = 46, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 134 [2022-09-16 10:36:09,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:36:09,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:36:09,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:36:09,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:36:09,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:09" (1/1) ... [2022-09-16 10:36:09,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:09" (1/1) ... [2022-09-16 10:36:09,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:09" (1/1) ... [2022-09-16 10:36:09,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:09" (1/1) ... [2022-09-16 10:36:09,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:09" (1/1) ... [2022-09-16 10:36:09,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:09" (1/1) ... [2022-09-16 10:36:09,545 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:09" (1/1) ... [2022-09-16 10:36:09,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:36:09,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:36:09,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:36:09,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:36:09,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:09" (1/1) ... [2022-09-16 10:36:09,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:36:09,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:36:09,588 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 10:36:09,589 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 10:36:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:36:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-16 10:36:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-09-16 10:36:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:36:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-09-16 10:36:09,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:36:09,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:36:09,637 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2022-09-16 10:36:09,638 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2022-09-16 10:36:09,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:36:09,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:36:09,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:36:09,640 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 10:36:10,009 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:36:10,010 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:36:10,275 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:36:10,289 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:36:10,289 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:36:10,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:36:10 BoogieIcfgContainer [2022-09-16 10:36:10,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:36:10,293 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:36:10,293 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:36:10,299 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:36:10,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:36:08" (1/3) ... [2022-09-16 10:36:10,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332d8bca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:36:10, skipping insertion in model container [2022-09-16 10:36:10,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:36:09" (2/3) ... [2022-09-16 10:36:10,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@332d8bca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:36:10, skipping insertion in model container [2022-09-16 10:36:10,301 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:36:10" (3/3) ... [2022-09-16 10:36:10,302 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2022-09-16 10:36:10,311 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:36:10,320 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:36:10,320 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-09-16 10:36:10,320 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:36:10,416 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-09-16 10:36:10,465 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 194 places, 196 transitions, 408 flow [2022-09-16 10:36:10,986 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 13771 states, 13755 states have (on average 2.8788077062886224) internal successors, (39598), 13770 states have internal predecessors, (39598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:11,001 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:36:11,006 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;@605e9fac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:36:11,007 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-09-16 10:36:11,059 INFO L276 IsEmpty]: Start isEmpty. Operand has 13771 states, 13755 states have (on average 2.8788077062886224) internal successors, (39598), 13770 states have internal predecessors, (39598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:11,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-09-16 10:36:11,070 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:11,070 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] [2022-09-16 10:36:11,071 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 10:36:11,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:11,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1897204562, now seen corresponding path program 1 times [2022-09-16 10:36:11,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:11,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128868670] [2022-09-16 10:36:11,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:11,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:12,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:12,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:12,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128868670] [2022-09-16 10:36:12,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128868670] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:12,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:12,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-09-16 10:36:12,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753868061] [2022-09-16 10:36:12,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:12,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-09-16 10:36:12,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:12,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-09-16 10:36:12,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-09-16 10:36:12,130 INFO L87 Difference]: Start difference. First operand has 13771 states, 13755 states have (on average 2.8788077062886224) internal successors, (39598), 13770 states have internal predecessors, (39598), 0 states have call successors, (0), 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 15 states, 14 states have (on average 5.142857142857143) internal successors, (72), 15 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 10:36:13,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:13,044 INFO L93 Difference]: Finished difference Result 15887 states and 44940 transitions. [2022-09-16 10:36:13,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:36:13,047 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.142857142857143) internal successors, (72), 15 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 10:36:13,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:13,175 INFO L225 Difference]: With dead ends: 15887 [2022-09-16 10:36:13,175 INFO L226 Difference]: Without dead ends: 15345 [2022-09-16 10:36:13,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=183, Invalid=519, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:36:13,180 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 876 mSDsluCounter, 1236 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 876 SdHoareTripleChecker+Valid, 1403 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:13,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [876 Valid, 1403 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:36:13,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15345 states. [2022-09-16 10:36:13,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15345 to 14263. [2022-09-16 10:36:13,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14263 states, 14231 states have (on average 2.843791722296395) internal successors, (40470), 14262 states have internal predecessors, (40470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:13,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14263 states to 14263 states and 40470 transitions. [2022-09-16 10:36:13,886 INFO L78 Accepts]: Start accepts. Automaton has 14263 states and 40470 transitions. Word has length 72 [2022-09-16 10:36:13,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:13,888 INFO L495 AbstractCegarLoop]: Abstraction has 14263 states and 40470 transitions. [2022-09-16 10:36:13,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.142857142857143) internal successors, (72), 15 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 10:36:13,889 INFO L276 IsEmpty]: Start isEmpty. Operand 14263 states and 40470 transitions. [2022-09-16 10:36:13,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-09-16 10:36:13,898 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:13,898 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] [2022-09-16 10:36:13,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:36:13,899 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 10:36:13,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:13,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1181263551, now seen corresponding path program 1 times [2022-09-16 10:36:13,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:13,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474025375] [2022-09-16 10:36:13,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:13,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:14,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:14,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:14,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474025375] [2022-09-16 10:36:14,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474025375] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:14,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:14,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-09-16 10:36:14,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596295683] [2022-09-16 10:36:14,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:14,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-09-16 10:36:14,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:14,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-09-16 10:36:14,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2022-09-16 10:36:14,802 INFO L87 Difference]: Start difference. First operand 14263 states and 40470 transitions. Second operand has 21 states, 20 states have (on average 3.85) internal successors, (77), 21 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 10:36:15,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:15,990 INFO L93 Difference]: Finished difference Result 16163 states and 45662 transitions. [2022-09-16 10:36:15,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-09-16 10:36:15,991 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 3.85) internal successors, (77), 21 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 10:36:15,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:16,073 INFO L225 Difference]: With dead ends: 16163 [2022-09-16 10:36:16,073 INFO L226 Difference]: Without dead ends: 15623 [2022-09-16 10:36:16,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=285, Invalid=905, Unknown=0, NotChecked=0, Total=1190 [2022-09-16 10:36:16,079 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 1441 mSDsluCounter, 1819 mSDsCounter, 0 mSdLazyCounter, 703 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1441 SdHoareTripleChecker+Valid, 2000 SdHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:16,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1441 Valid, 2000 Invalid, 800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 703 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:36:16,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15623 states. [2022-09-16 10:36:16,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15623 to 13727. [2022-09-16 10:36:16,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13727 states, 13695 states have (on average 2.8379700620664474) internal successors, (38866), 13726 states have internal predecessors, (38866), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:16,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13727 states to 13727 states and 38866 transitions. [2022-09-16 10:36:16,598 INFO L78 Accepts]: Start accepts. Automaton has 13727 states and 38866 transitions. Word has length 77 [2022-09-16 10:36:16,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:16,603 INFO L495 AbstractCegarLoop]: Abstraction has 13727 states and 38866 transitions. [2022-09-16 10:36:16,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 3.85) internal successors, (77), 21 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 10:36:16,608 INFO L276 IsEmpty]: Start isEmpty. Operand 13727 states and 38866 transitions. [2022-09-16 10:36:16,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-09-16 10:36:16,610 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:16,610 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:16,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:36:16,611 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 10:36:16,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:16,615 INFO L85 PathProgramCache]: Analyzing trace with hash 753738509, now seen corresponding path program 1 times [2022-09-16 10:36:16,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:16,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610835792] [2022-09-16 10:36:16,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:16,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:17,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:17,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:17,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610835792] [2022-09-16 10:36:17,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610835792] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:17,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:17,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-09-16 10:36:17,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397831272] [2022-09-16 10:36:17,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:17,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-09-16 10:36:17,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:17,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-09-16 10:36:17,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=357, Unknown=0, NotChecked=0, Total=420 [2022-09-16 10:36:17,278 INFO L87 Difference]: Start difference. First operand 13727 states and 38866 transitions. Second operand has 21 states, 20 states have (on average 3.9) internal successors, (78), 21 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 10:36:18,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:18,297 INFO L93 Difference]: Finished difference Result 15639 states and 44077 transitions. [2022-09-16 10:36:18,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-09-16 10:36:18,298 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 3.9) internal successors, (78), 21 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 10:36:18,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:18,353 INFO L225 Difference]: With dead ends: 15639 [2022-09-16 10:36:18,353 INFO L226 Difference]: Without dead ends: 15089 [2022-09-16 10:36:18,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=286, Invalid=904, Unknown=0, NotChecked=0, Total=1190 [2022-09-16 10:36:18,361 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 1063 mSDsluCounter, 1853 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1063 SdHoareTripleChecker+Valid, 2032 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:18,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1063 Valid, 2032 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:36:18,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15089 states. [2022-09-16 10:36:18,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15089 to 14275. [2022-09-16 10:36:18,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14275 states, 14243 states have (on average 2.836200238713754) internal successors, (40396), 14274 states have internal predecessors, (40396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:18,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14275 states to 14275 states and 40396 transitions. [2022-09-16 10:36:18,871 INFO L78 Accepts]: Start accepts. Automaton has 14275 states and 40396 transitions. Word has length 78 [2022-09-16 10:36:18,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:18,873 INFO L495 AbstractCegarLoop]: Abstraction has 14275 states and 40396 transitions. [2022-09-16 10:36:18,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 3.9) internal successors, (78), 21 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 10:36:18,874 INFO L276 IsEmpty]: Start isEmpty. Operand 14275 states and 40396 transitions. [2022-09-16 10:36:18,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-09-16 10:36:18,880 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:18,880 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:18,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:36:18,880 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 10:36:18,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:18,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1688993202, now seen corresponding path program 1 times [2022-09-16 10:36:18,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:18,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148251059] [2022-09-16 10:36:18,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:18,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:18,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:19,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:19,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:19,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148251059] [2022-09-16 10:36:19,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148251059] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:19,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:19,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-09-16 10:36:19,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387431542] [2022-09-16 10:36:19,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:19,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-09-16 10:36:19,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:19,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-09-16 10:36:19,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2022-09-16 10:36:19,545 INFO L87 Difference]: Start difference. First operand 14275 states and 40396 transitions. Second operand has 21 states, 20 states have (on average 4.25) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:21,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:21,163 INFO L93 Difference]: Finished difference Result 17636 states and 49776 transitions. [2022-09-16 10:36:21,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-09-16 10:36:21,164 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 4.25) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-09-16 10:36:21,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:21,224 INFO L225 Difference]: With dead ends: 17636 [2022-09-16 10:36:21,224 INFO L226 Difference]: Without dead ends: 16906 [2022-09-16 10:36:21,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=354, Invalid=1052, Unknown=0, NotChecked=0, Total=1406 [2022-09-16 10:36:21,226 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 1585 mSDsluCounter, 1571 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1585 SdHoareTripleChecker+Valid, 1797 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:21,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1585 Valid, 1797 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 724 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:36:21,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16906 states. [2022-09-16 10:36:21,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16906 to 15016. [2022-09-16 10:36:21,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15016 states, 14984 states have (on average 2.840496529631607) internal successors, (42562), 15015 states have internal predecessors, (42562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:21,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15016 states to 15016 states and 42562 transitions. [2022-09-16 10:36:21,717 INFO L78 Accepts]: Start accepts. Automaton has 15016 states and 42562 transitions. Word has length 85 [2022-09-16 10:36:21,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:21,718 INFO L495 AbstractCegarLoop]: Abstraction has 15016 states and 42562 transitions. [2022-09-16 10:36:21,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 4.25) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:21,719 INFO L276 IsEmpty]: Start isEmpty. Operand 15016 states and 42562 transitions. [2022-09-16 10:36:21,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-09-16 10:36:21,727 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:21,727 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:21,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:36:21,728 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 10:36:21,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:21,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1688992658, now seen corresponding path program 1 times [2022-09-16 10:36:21,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:21,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915720591] [2022-09-16 10:36:21,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:21,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:22,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:22,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:22,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915720591] [2022-09-16 10:36:22,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915720591] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:22,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:22,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-09-16 10:36:22,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361448423] [2022-09-16 10:36:22,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:22,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-09-16 10:36:22,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:22,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-09-16 10:36:22,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=479, Unknown=0, NotChecked=0, Total=552 [2022-09-16 10:36:22,366 INFO L87 Difference]: Start difference. First operand 15016 states and 42562 transitions. Second operand has 24 states, 23 states have (on average 3.6956521739130435) internal successors, (85), 24 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:24,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:24,159 INFO L93 Difference]: Finished difference Result 17000 states and 47924 transitions. [2022-09-16 10:36:24,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-09-16 10:36:24,160 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 3.6956521739130435) internal successors, (85), 24 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-09-16 10:36:24,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:24,207 INFO L225 Difference]: With dead ends: 17000 [2022-09-16 10:36:24,207 INFO L226 Difference]: Without dead ends: 16280 [2022-09-16 10:36:24,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 355 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=453, Invalid=1439, Unknown=0, NotChecked=0, Total=1892 [2022-09-16 10:36:24,208 INFO L413 NwaCegarLoop]: 276 mSDtfsCounter, 1755 mSDsluCounter, 2272 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1755 SdHoareTripleChecker+Valid, 2513 SdHoareTripleChecker+Invalid, 1169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:24,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1755 Valid, 2513 Invalid, 1169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:36:24,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16280 states. [2022-09-16 10:36:24,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16280 to 15168. [2022-09-16 10:36:24,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15168 states, 15136 states have (on average 2.8383324524312896) internal successors, (42961), 15167 states have internal predecessors, (42961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:24,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15168 states to 15168 states and 42961 transitions. [2022-09-16 10:36:24,621 INFO L78 Accepts]: Start accepts. Automaton has 15168 states and 42961 transitions. Word has length 85 [2022-09-16 10:36:24,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:24,621 INFO L495 AbstractCegarLoop]: Abstraction has 15168 states and 42961 transitions. [2022-09-16 10:36:24,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 3.6956521739130435) internal successors, (85), 24 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:24,621 INFO L276 IsEmpty]: Start isEmpty. Operand 15168 states and 42961 transitions. [2022-09-16 10:36:24,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-09-16 10:36:24,632 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:24,632 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] [2022-09-16 10:36:24,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-09-16 10:36:24,633 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 10:36:24,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:24,633 INFO L85 PathProgramCache]: Analyzing trace with hash -332729038, now seen corresponding path program 2 times [2022-09-16 10:36:24,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:24,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795681221] [2022-09-16 10:36:24,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:24,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:25,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:25,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:25,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795681221] [2022-09-16 10:36:25,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795681221] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:25,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:25,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-09-16 10:36:25,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337607974] [2022-09-16 10:36:25,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:25,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-09-16 10:36:25,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:25,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-09-16 10:36:25,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=482, Unknown=0, NotChecked=0, Total=552 [2022-09-16 10:36:25,265 INFO L87 Difference]: Start difference. First operand 15168 states and 42961 transitions. Second operand has 24 states, 23 states have (on average 3.6956521739130435) internal successors, (85), 24 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:27,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:27,123 INFO L93 Difference]: Finished difference Result 19773 states and 55955 transitions. [2022-09-16 10:36:27,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-09-16 10:36:27,123 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 3.6956521739130435) internal successors, (85), 24 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-09-16 10:36:27,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:27,181 INFO L225 Difference]: With dead ends: 19773 [2022-09-16 10:36:27,181 INFO L226 Difference]: Without dead ends: 19043 [2022-09-16 10:36:27,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 372 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=503, Invalid=1567, Unknown=0, NotChecked=0, Total=2070 [2022-09-16 10:36:27,183 INFO L413 NwaCegarLoop]: 280 mSDtfsCounter, 1695 mSDsluCounter, 2491 mSDsCounter, 0 mSdLazyCounter, 1118 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1695 SdHoareTripleChecker+Valid, 2741 SdHoareTripleChecker+Invalid, 1227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 1118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:27,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1695 Valid, 2741 Invalid, 1227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 1118 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:36:27,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19043 states. [2022-09-16 10:36:27,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19043 to 15643. [2022-09-16 10:36:27,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15643 states, 15611 states have (on average 2.843251553391839) internal successors, (44386), 15642 states have internal predecessors, (44386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:27,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15643 states to 15643 states and 44386 transitions. [2022-09-16 10:36:27,622 INFO L78 Accepts]: Start accepts. Automaton has 15643 states and 44386 transitions. Word has length 85 [2022-09-16 10:36:27,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:27,622 INFO L495 AbstractCegarLoop]: Abstraction has 15643 states and 44386 transitions. [2022-09-16 10:36:27,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 3.6956521739130435) internal successors, (85), 24 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:27,622 INFO L276 IsEmpty]: Start isEmpty. Operand 15643 states and 44386 transitions. [2022-09-16 10:36:27,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-09-16 10:36:27,626 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:27,626 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:27,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-09-16 10:36:27,627 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 10:36:27,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:27,627 INFO L85 PathProgramCache]: Analyzing trace with hash -332729582, now seen corresponding path program 2 times [2022-09-16 10:36:27,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:27,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770684071] [2022-09-16 10:36:27,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:27,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:28,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:28,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:28,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770684071] [2022-09-16 10:36:28,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770684071] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:28,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:28,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-09-16 10:36:28,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71230350] [2022-09-16 10:36:28,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:28,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-09-16 10:36:28,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:28,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-09-16 10:36:28,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=481, Unknown=0, NotChecked=0, Total=552 [2022-09-16 10:36:28,185 INFO L87 Difference]: Start difference. First operand 15643 states and 44386 transitions. Second operand has 24 states, 23 states have (on average 3.6956521739130435) internal successors, (85), 24 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:29,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:29,923 INFO L93 Difference]: Finished difference Result 20523 states and 58235 transitions. [2022-09-16 10:36:29,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-09-16 10:36:29,924 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 3.6956521739130435) internal successors, (85), 24 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-09-16 10:36:29,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:29,966 INFO L225 Difference]: With dead ends: 20523 [2022-09-16 10:36:29,967 INFO L226 Difference]: Without dead ends: 19803 [2022-09-16 10:36:29,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=501, Invalid=1569, Unknown=0, NotChecked=0, Total=2070 [2022-09-16 10:36:29,968 INFO L413 NwaCegarLoop]: 336 mSDtfsCounter, 1486 mSDsluCounter, 2724 mSDsCounter, 0 mSdLazyCounter, 1204 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1486 SdHoareTripleChecker+Valid, 3017 SdHoareTripleChecker+Invalid, 1304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:29,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1486 Valid, 3017 Invalid, 1304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1204 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:36:30,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19803 states. [2022-09-16 10:36:30,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19803 to 15187. [2022-09-16 10:36:30,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15187 states, 15155 states have (on average 2.838535136918509) internal successors, (43018), 15186 states have internal predecessors, (43018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:30,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15187 states to 15187 states and 43018 transitions. [2022-09-16 10:36:30,342 INFO L78 Accepts]: Start accepts. Automaton has 15187 states and 43018 transitions. Word has length 85 [2022-09-16 10:36:30,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:30,342 INFO L495 AbstractCegarLoop]: Abstraction has 15187 states and 43018 transitions. [2022-09-16 10:36:30,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 3.6956521739130435) internal successors, (85), 24 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:30,342 INFO L276 IsEmpty]: Start isEmpty. Operand 15187 states and 43018 transitions. [2022-09-16 10:36:30,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-09-16 10:36:30,347 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:30,347 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:30,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-09-16 10:36:30,347 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 10:36:30,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:30,348 INFO L85 PathProgramCache]: Analyzing trace with hash 313801552, now seen corresponding path program 3 times [2022-09-16 10:36:30,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:30,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476358008] [2022-09-16 10:36:30,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:30,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:30,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:30,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:30,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476358008] [2022-09-16 10:36:30,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476358008] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:30,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:30,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-09-16 10:36:30,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753224907] [2022-09-16 10:36:30,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:30,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-09-16 10:36:30,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:30,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-09-16 10:36:30,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2022-09-16 10:36:30,763 INFO L87 Difference]: Start difference. First operand 15187 states and 43018 transitions. Second operand has 21 states, 20 states have (on average 4.25) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:32,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:32,040 INFO L93 Difference]: Finished difference Result 18728 states and 52877 transitions. [2022-09-16 10:36:32,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-09-16 10:36:32,041 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 4.25) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-09-16 10:36:32,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:32,078 INFO L225 Difference]: With dead ends: 18728 [2022-09-16 10:36:32,078 INFO L226 Difference]: Without dead ends: 17998 [2022-09-16 10:36:32,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=329, Invalid=1003, Unknown=0, NotChecked=0, Total=1332 [2022-09-16 10:36:32,079 INFO L413 NwaCegarLoop]: 262 mSDtfsCounter, 1404 mSDsluCounter, 1782 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1404 SdHoareTripleChecker+Valid, 2023 SdHoareTripleChecker+Invalid, 914 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:32,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1404 Valid, 2023 Invalid, 914 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 826 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:36:32,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17998 states. [2022-09-16 10:36:32,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17998 to 15643. [2022-09-16 10:36:32,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15643 states, 15611 states have (on average 2.843251553391839) internal successors, (44386), 15642 states have internal predecessors, (44386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:32,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15643 states to 15643 states and 44386 transitions. [2022-09-16 10:36:32,478 INFO L78 Accepts]: Start accepts. Automaton has 15643 states and 44386 transitions. Word has length 85 [2022-09-16 10:36:32,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:32,478 INFO L495 AbstractCegarLoop]: Abstraction has 15643 states and 44386 transitions. [2022-09-16 10:36:32,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 4.25) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:32,479 INFO L276 IsEmpty]: Start isEmpty. Operand 15643 states and 44386 transitions. [2022-09-16 10:36:32,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-09-16 10:36:32,482 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:32,483 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:32,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-09-16 10:36:32,483 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 10:36:32,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:32,484 INFO L85 PathProgramCache]: Analyzing trace with hash 313801008, now seen corresponding path program 3 times [2022-09-16 10:36:32,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:32,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587767631] [2022-09-16 10:36:32,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:32,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:32,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:32,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:32,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:32,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587767631] [2022-09-16 10:36:32,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587767631] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:32,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:32,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-09-16 10:36:32,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334571559] [2022-09-16 10:36:32,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:32,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-09-16 10:36:32,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:32,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-09-16 10:36:32,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2022-09-16 10:36:32,945 INFO L87 Difference]: Start difference. First operand 15643 states and 44386 transitions. Second operand has 21 states, 20 states have (on average 4.25) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:34,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:34,748 INFO L93 Difference]: Finished difference Result 20067 states and 56867 transitions. [2022-09-16 10:36:34,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:36:34,748 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 4.25) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-09-16 10:36:34,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:34,789 INFO L225 Difference]: With dead ends: 20067 [2022-09-16 10:36:34,790 INFO L226 Difference]: Without dead ends: 19347 [2022-09-16 10:36:34,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=451, Invalid=1271, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:36:34,791 INFO L413 NwaCegarLoop]: 339 mSDtfsCounter, 1471 mSDsluCounter, 2960 mSDsCounter, 0 mSdLazyCounter, 1329 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1471 SdHoareTripleChecker+Valid, 3258 SdHoareTripleChecker+Invalid, 1428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:34,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1471 Valid, 3258 Invalid, 1428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1329 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:36:34,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19347 states. [2022-09-16 10:36:35,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19347 to 15320. [2022-09-16 10:36:35,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15320 states, 15288 states have (on average 2.839939822082679) internal successors, (43417), 15319 states have internal predecessors, (43417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:35,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15320 states to 15320 states and 43417 transitions. [2022-09-16 10:36:35,125 INFO L78 Accepts]: Start accepts. Automaton has 15320 states and 43417 transitions. Word has length 85 [2022-09-16 10:36:35,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:35,125 INFO L495 AbstractCegarLoop]: Abstraction has 15320 states and 43417 transitions. [2022-09-16 10:36:35,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 4.25) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:35,125 INFO L276 IsEmpty]: Start isEmpty. Operand 15320 states and 43417 transitions. [2022-09-16 10:36:35,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-09-16 10:36:35,129 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:35,129 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:35,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-09-16 10:36:35,129 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 10:36:35,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:35,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1561509396, now seen corresponding path program 4 times [2022-09-16 10:36:35,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:35,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991841934] [2022-09-16 10:36:35,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:35,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:35,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:35,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:35,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991841934] [2022-09-16 10:36:35,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991841934] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:35,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:35,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-09-16 10:36:35,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950986854] [2022-09-16 10:36:35,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:35,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-09-16 10:36:35,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:35,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-09-16 10:36:35,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2022-09-16 10:36:35,591 INFO L87 Difference]: Start difference. First operand 15320 states and 43417 transitions. Second operand has 21 states, 20 states have (on average 4.25) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:37,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:37,269 INFO L93 Difference]: Finished difference Result 18695 states and 52761 transitions. [2022-09-16 10:36:37,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:36:37,270 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 4.25) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-09-16 10:36:37,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:37,305 INFO L225 Difference]: With dead ends: 18695 [2022-09-16 10:36:37,305 INFO L226 Difference]: Without dead ends: 17965 [2022-09-16 10:36:37,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=451, Invalid=1271, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:36:37,307 INFO L413 NwaCegarLoop]: 293 mSDtfsCounter, 1756 mSDsluCounter, 2627 mSDsCounter, 0 mSdLazyCounter, 1182 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1756 SdHoareTripleChecker+Valid, 2891 SdHoareTripleChecker+Invalid, 1287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 1182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:37,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1756 Valid, 2891 Invalid, 1287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 1182 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:36:37,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17965 states. [2022-09-16 10:36:37,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17965 to 15643. [2022-09-16 10:36:37,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15643 states, 15611 states have (on average 2.843251553391839) internal successors, (44386), 15642 states have internal predecessors, (44386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:37,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15643 states to 15643 states and 44386 transitions. [2022-09-16 10:36:37,623 INFO L78 Accepts]: Start accepts. Automaton has 15643 states and 44386 transitions. Word has length 85 [2022-09-16 10:36:37,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:37,624 INFO L495 AbstractCegarLoop]: Abstraction has 15643 states and 44386 transitions. [2022-09-16 10:36:37,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 4.25) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:37,624 INFO L276 IsEmpty]: Start isEmpty. Operand 15643 states and 44386 transitions. [2022-09-16 10:36:37,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-09-16 10:36:37,628 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:37,628 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] [2022-09-16 10:36:37,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-09-16 10:36:37,628 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 10:36:37,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:37,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1561508852, now seen corresponding path program 4 times [2022-09-16 10:36:37,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:37,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680613057] [2022-09-16 10:36:37,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:37,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:38,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:38,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:38,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680613057] [2022-09-16 10:36:38,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680613057] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:38,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:38,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-09-16 10:36:38,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123089971] [2022-09-16 10:36:38,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:38,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-09-16 10:36:38,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:38,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-09-16 10:36:38,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2022-09-16 10:36:38,032 INFO L87 Difference]: Start difference. First operand 15643 states and 44386 transitions. Second operand has 21 states, 20 states have (on average 4.25) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:38,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:38,980 INFO L93 Difference]: Finished difference Result 18300 states and 51646 transitions. [2022-09-16 10:36:38,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-09-16 10:36:38,981 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 4.25) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-09-16 10:36:38,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:39,017 INFO L225 Difference]: With dead ends: 18300 [2022-09-16 10:36:39,018 INFO L226 Difference]: Without dead ends: 17580 [2022-09-16 10:36:39,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=331, Invalid=1001, Unknown=0, NotChecked=0, Total=1332 [2022-09-16 10:36:39,019 INFO L413 NwaCegarLoop]: 254 mSDtfsCounter, 1359 mSDsluCounter, 1582 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1359 SdHoareTripleChecker+Valid, 1822 SdHoareTripleChecker+Invalid, 799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:39,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1359 Valid, 1822 Invalid, 799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:36:39,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17580 states. [2022-09-16 10:36:39,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17580 to 15187. [2022-09-16 10:36:39,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15187 states, 15155 states have (on average 2.838535136918509) internal successors, (43018), 15186 states have internal predecessors, (43018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:39,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15187 states to 15187 states and 43018 transitions. [2022-09-16 10:36:39,310 INFO L78 Accepts]: Start accepts. Automaton has 15187 states and 43018 transitions. Word has length 85 [2022-09-16 10:36:39,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:39,310 INFO L495 AbstractCegarLoop]: Abstraction has 15187 states and 43018 transitions. [2022-09-16 10:36:39,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 4.25) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:39,311 INFO L276 IsEmpty]: Start isEmpty. Operand 15187 states and 43018 transitions. [2022-09-16 10:36:39,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-09-16 10:36:39,313 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:39,313 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] [2022-09-16 10:36:39,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-09-16 10:36:39,314 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 10:36:39,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:39,314 INFO L85 PathProgramCache]: Analyzing trace with hash -2086927310, now seen corresponding path program 5 times [2022-09-16 10:36:39,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:39,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343275173] [2022-09-16 10:36:39,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:39,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:39,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:39,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:39,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343275173] [2022-09-16 10:36:39,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343275173] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:39,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:39,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-09-16 10:36:39,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140612445] [2022-09-16 10:36:39,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:39,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-09-16 10:36:39,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:39,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-09-16 10:36:39,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2022-09-16 10:36:39,728 INFO L87 Difference]: Start difference. First operand 15187 states and 43018 transitions. Second operand has 21 states, 20 states have (on average 4.25) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:41,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:41,415 INFO L93 Difference]: Finished difference Result 19151 states and 54129 transitions. [2022-09-16 10:36:41,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-09-16 10:36:41,416 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 4.25) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-09-16 10:36:41,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:41,456 INFO L225 Difference]: With dead ends: 19151 [2022-09-16 10:36:41,456 INFO L226 Difference]: Without dead ends: 18421 [2022-09-16 10:36:41,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=427, Invalid=1213, Unknown=0, NotChecked=0, Total=1640 [2022-09-16 10:36:41,458 INFO L413 NwaCegarLoop]: 296 mSDtfsCounter, 1483 mSDsluCounter, 2548 mSDsCounter, 0 mSdLazyCounter, 1154 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1483 SdHoareTripleChecker+Valid, 2817 SdHoareTripleChecker+Invalid, 1245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:41,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1483 Valid, 2817 Invalid, 1245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1154 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:36:41,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18421 states. [2022-09-16 10:36:41,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18421 to 15643. [2022-09-16 10:36:41,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15643 states, 15611 states have (on average 2.843251553391839) internal successors, (44386), 15642 states have internal predecessors, (44386), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:41,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15643 states to 15643 states and 44386 transitions. [2022-09-16 10:36:41,802 INFO L78 Accepts]: Start accepts. Automaton has 15643 states and 44386 transitions. Word has length 85 [2022-09-16 10:36:41,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:41,803 INFO L495 AbstractCegarLoop]: Abstraction has 15643 states and 44386 transitions. [2022-09-16 10:36:41,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 4.25) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:41,803 INFO L276 IsEmpty]: Start isEmpty. Operand 15643 states and 44386 transitions. [2022-09-16 10:36:41,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-09-16 10:36:41,806 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:41,806 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:41,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-09-16 10:36:41,806 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 10:36:41,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:41,807 INFO L85 PathProgramCache]: Analyzing trace with hash -2086927854, now seen corresponding path program 5 times [2022-09-16 10:36:41,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:41,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879274839] [2022-09-16 10:36:41,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:41,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:41,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:42,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:42,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:42,301 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879274839] [2022-09-16 10:36:42,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879274839] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:42,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:42,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-09-16 10:36:42,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122160528] [2022-09-16 10:36:42,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:42,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-09-16 10:36:42,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:42,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-09-16 10:36:42,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=481, Unknown=0, NotChecked=0, Total=552 [2022-09-16 10:36:42,302 INFO L87 Difference]: Start difference. First operand 15643 states and 44386 transitions. Second operand has 24 states, 23 states have (on average 3.6956521739130435) internal successors, (85), 24 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:43,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:43,954 INFO L93 Difference]: Finished difference Result 19117 states and 54040 transitions. [2022-09-16 10:36:43,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-09-16 10:36:43,955 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 3.6956521739130435) internal successors, (85), 24 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-09-16 10:36:43,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:44,006 INFO L225 Difference]: With dead ends: 19117 [2022-09-16 10:36:44,006 INFO L226 Difference]: Without dead ends: 18397 [2022-09-16 10:36:44,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 384 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=505, Invalid=1565, Unknown=0, NotChecked=0, Total=2070 [2022-09-16 10:36:44,008 INFO L413 NwaCegarLoop]: 289 mSDtfsCounter, 1399 mSDsluCounter, 2498 mSDsCounter, 0 mSdLazyCounter, 1117 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1399 SdHoareTripleChecker+Valid, 2767 SdHoareTripleChecker+Invalid, 1209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 1117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:44,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1399 Valid, 2767 Invalid, 1209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 1117 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:36:44,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18397 states. [2022-09-16 10:36:44,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18397 to 15168. [2022-09-16 10:36:44,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15168 states, 15136 states have (on average 2.8383324524312896) internal successors, (42961), 15167 states have internal predecessors, (42961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:44,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15168 states to 15168 states and 42961 transitions. [2022-09-16 10:36:44,378 INFO L78 Accepts]: Start accepts. Automaton has 15168 states and 42961 transitions. Word has length 85 [2022-09-16 10:36:44,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:44,378 INFO L495 AbstractCegarLoop]: Abstraction has 15168 states and 42961 transitions. [2022-09-16 10:36:44,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 3.6956521739130435) internal successors, (85), 24 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:44,378 INFO L276 IsEmpty]: Start isEmpty. Operand 15168 states and 42961 transitions. [2022-09-16 10:36:44,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-09-16 10:36:44,381 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:44,381 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:44,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-09-16 10:36:44,381 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 10:36:44,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:44,381 INFO L85 PathProgramCache]: Analyzing trace with hash -830037610, now seen corresponding path program 6 times [2022-09-16 10:36:44,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:44,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852657679] [2022-09-16 10:36:44,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:44,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:44,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:44,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:44,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852657679] [2022-09-16 10:36:44,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852657679] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:44,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:44,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-09-16 10:36:44,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385442519] [2022-09-16 10:36:44,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:44,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-09-16 10:36:44,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:44,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-09-16 10:36:44,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2022-09-16 10:36:44,844 INFO L87 Difference]: Start difference. First operand 15168 states and 42961 transitions. Second operand has 21 states, 20 states have (on average 4.25) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:46,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:46,274 INFO L93 Difference]: Finished difference Result 16776 states and 47137 transitions. [2022-09-16 10:36:46,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-09-16 10:36:46,274 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 4.25) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-09-16 10:36:46,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:46,306 INFO L225 Difference]: With dead ends: 16776 [2022-09-16 10:36:46,306 INFO L226 Difference]: Without dead ends: 16046 [2022-09-16 10:36:46,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=379, Invalid=1103, Unknown=0, NotChecked=0, Total=1482 [2022-09-16 10:36:46,307 INFO L413 NwaCegarLoop]: 274 mSDtfsCounter, 1419 mSDsluCounter, 2327 mSDsCounter, 0 mSdLazyCounter, 1042 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1419 SdHoareTripleChecker+Valid, 2574 SdHoareTripleChecker+Invalid, 1133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1042 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:46,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1419 Valid, 2574 Invalid, 1133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1042 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:36:46,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16046 states. [2022-09-16 10:36:46,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16046 to 14332. [2022-09-16 10:36:46,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14332 states, 14304 states have (on average 2.8320749440715884) internal successors, (40510), 14331 states have internal predecessors, (40510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:46,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14332 states to 14332 states and 40510 transitions. [2022-09-16 10:36:46,577 INFO L78 Accepts]: Start accepts. Automaton has 14332 states and 40510 transitions. Word has length 85 [2022-09-16 10:36:46,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:46,577 INFO L495 AbstractCegarLoop]: Abstraction has 14332 states and 40510 transitions. [2022-09-16 10:36:46,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 4.25) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:46,577 INFO L276 IsEmpty]: Start isEmpty. Operand 14332 states and 40510 transitions. [2022-09-16 10:36:46,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-09-16 10:36:46,580 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:46,580 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] [2022-09-16 10:36:46,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-09-16 10:36:46,580 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 10:36:46,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:46,581 INFO L85 PathProgramCache]: Analyzing trace with hash -830038154, now seen corresponding path program 6 times [2022-09-16 10:36:46,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:46,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945118428] [2022-09-16 10:36:46,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:46,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:46,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:47,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:47,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:47,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945118428] [2022-09-16 10:36:47,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945118428] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:47,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:47,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-09-16 10:36:47,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443156833] [2022-09-16 10:36:47,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:47,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-09-16 10:36:47,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:47,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-09-16 10:36:47,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2022-09-16 10:36:47,014 INFO L87 Difference]: Start difference. First operand 14332 states and 40510 transitions. Second operand has 21 states, 20 states have (on average 4.25) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:48,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:48,138 INFO L93 Difference]: Finished difference Result 16258 states and 45657 transitions. [2022-09-16 10:36:48,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-09-16 10:36:48,138 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 4.25) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-09-16 10:36:48,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:48,168 INFO L225 Difference]: With dead ends: 16258 [2022-09-16 10:36:48,169 INFO L226 Difference]: Without dead ends: 15538 [2022-09-16 10:36:48,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=357, Invalid=1049, Unknown=0, NotChecked=0, Total=1406 [2022-09-16 10:36:48,170 INFO L413 NwaCegarLoop]: 241 mSDtfsCounter, 1466 mSDsluCounter, 2047 mSDsCounter, 0 mSdLazyCounter, 885 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1466 SdHoareTripleChecker+Valid, 2269 SdHoareTripleChecker+Invalid, 980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 885 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:48,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1466 Valid, 2269 Invalid, 980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 885 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:36:48,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15538 states. [2022-09-16 10:36:48,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15538 to 13363. [2022-09-16 10:36:48,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13363 states, 13335 states have (on average 2.8241469816272966) internal successors, (37660), 13362 states have internal predecessors, (37660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:48,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13363 states to 13363 states and 37660 transitions. [2022-09-16 10:36:48,401 INFO L78 Accepts]: Start accepts. Automaton has 13363 states and 37660 transitions. Word has length 85 [2022-09-16 10:36:48,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:48,402 INFO L495 AbstractCegarLoop]: Abstraction has 13363 states and 37660 transitions. [2022-09-16 10:36:48,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 4.25) internal successors, (85), 21 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:48,402 INFO L276 IsEmpty]: Start isEmpty. Operand 13363 states and 37660 transitions. [2022-09-16 10:36:48,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-09-16 10:36:48,405 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:48,406 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:48,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-09-16 10:36:48,406 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 10:36:48,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:48,406 INFO L85 PathProgramCache]: Analyzing trace with hash 252492373, now seen corresponding path program 1 times [2022-09-16 10:36:48,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:48,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086131370] [2022-09-16 10:36:48,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:48,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:49,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:49,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:49,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086131370] [2022-09-16 10:36:49,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086131370] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:49,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:49,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-09-16 10:36:49,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313818743] [2022-09-16 10:36:49,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:49,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-09-16 10:36:49,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:49,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-09-16 10:36:49,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=524, Unknown=0, NotChecked=0, Total=600 [2022-09-16 10:36:49,025 INFO L87 Difference]: Start difference. First operand 13363 states and 37660 transitions. Second operand has 25 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 25 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:51,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:51,301 INFO L93 Difference]: Finished difference Result 20707 states and 58388 transitions. [2022-09-16 10:36:51,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-09-16 10:36:51,302 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 25 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-09-16 10:36:51,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:51,360 INFO L225 Difference]: With dead ends: 20707 [2022-09-16 10:36:51,361 INFO L226 Difference]: Without dead ends: 20707 [2022-09-16 10:36:51,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 641 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=656, Invalid=2206, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:36:51,362 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 2106 mSDsluCounter, 2885 mSDsCounter, 0 mSdLazyCounter, 1305 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2106 SdHoareTripleChecker+Valid, 3232 SdHoareTripleChecker+Invalid, 1503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 1305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:51,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2106 Valid, 3232 Invalid, 1503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 1305 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:36:51,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20707 states. [2022-09-16 10:36:51,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20707 to 17550. [2022-09-16 10:36:51,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17550 states, 17522 states have (on average 2.8425408058440818) internal successors, (49807), 17549 states have internal predecessors, (49807), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:51,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17550 states to 17550 states and 49807 transitions. [2022-09-16 10:36:51,734 INFO L78 Accepts]: Start accepts. Automaton has 17550 states and 49807 transitions. Word has length 89 [2022-09-16 10:36:51,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:51,735 INFO L495 AbstractCegarLoop]: Abstraction has 17550 states and 49807 transitions. [2022-09-16 10:36:51,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 25 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:51,735 INFO L276 IsEmpty]: Start isEmpty. Operand 17550 states and 49807 transitions. [2022-09-16 10:36:51,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-09-16 10:36:51,739 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:51,739 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:51,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-09-16 10:36:51,739 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 10:36:51,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:51,740 INFO L85 PathProgramCache]: Analyzing trace with hash -250425291, now seen corresponding path program 1 times [2022-09-16 10:36:51,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:51,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105474112] [2022-09-16 10:36:51,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:51,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:52,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:52,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:52,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105474112] [2022-09-16 10:36:52,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105474112] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:52,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:52,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-09-16 10:36:52,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829046617] [2022-09-16 10:36:52,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:52,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:36:52,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:52,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:36:52,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:36:52,235 INFO L87 Difference]: Start difference. First operand 17550 states and 49807 transitions. Second operand has 22 states, 21 states have (on average 4.238095238095238) internal successors, (89), 22 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:54,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:54,235 INFO L93 Difference]: Finished difference Result 22889 states and 64670 transitions. [2022-09-16 10:36:54,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-09-16 10:36:54,235 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.238095238095238) internal successors, (89), 22 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-09-16 10:36:54,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:54,285 INFO L225 Difference]: With dead ends: 22889 [2022-09-16 10:36:54,285 INFO L226 Difference]: Without dead ends: 22889 [2022-09-16 10:36:54,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=513, Invalid=1649, Unknown=0, NotChecked=0, Total=2162 [2022-09-16 10:36:54,287 INFO L413 NwaCegarLoop]: 371 mSDtfsCounter, 1863 mSDsluCounter, 3344 mSDsCounter, 0 mSdLazyCounter, 1509 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1863 SdHoareTripleChecker+Valid, 3673 SdHoareTripleChecker+Invalid, 1682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 1509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:54,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1863 Valid, 3673 Invalid, 1682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 1509 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:36:54,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22889 states. [2022-09-16 10:36:54,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22889 to 20704. [2022-09-16 10:36:54,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20704 states, 20676 states have (on average 2.847455987618495) internal successors, (58874), 20703 states have internal predecessors, (58874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:54,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20704 states to 20704 states and 58874 transitions. [2022-09-16 10:36:54,742 INFO L78 Accepts]: Start accepts. Automaton has 20704 states and 58874 transitions. Word has length 89 [2022-09-16 10:36:54,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:54,742 INFO L495 AbstractCegarLoop]: Abstraction has 20704 states and 58874 transitions. [2022-09-16 10:36:54,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.238095238095238) internal successors, (89), 22 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:54,743 INFO L276 IsEmpty]: Start isEmpty. Operand 20704 states and 58874 transitions. [2022-09-16 10:36:54,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-09-16 10:36:54,747 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:54,747 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:54,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-09-16 10:36:54,747 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 10:36:54,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:54,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1049506057, now seen corresponding path program 2 times [2022-09-16 10:36:54,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:54,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436227228] [2022-09-16 10:36:54,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:54,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:55,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:55,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:55,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436227228] [2022-09-16 10:36:55,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436227228] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:55,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:55,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-09-16 10:36:55,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314244761] [2022-09-16 10:36:55,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:55,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:36:55,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:55,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:36:55,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:36:55,188 INFO L87 Difference]: Start difference. First operand 20704 states and 58874 transitions. Second operand has 22 states, 21 states have (on average 4.238095238095238) internal successors, (89), 22 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:58,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:36:58,209 INFO L93 Difference]: Finished difference Result 29824 states and 84834 transitions. [2022-09-16 10:36:58,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-09-16 10:36:58,210 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.238095238095238) internal successors, (89), 22 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-09-16 10:36:58,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:36:58,284 INFO L225 Difference]: With dead ends: 29824 [2022-09-16 10:36:58,284 INFO L226 Difference]: Without dead ends: 29824 [2022-09-16 10:36:58,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 739 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=849, Invalid=2573, Unknown=0, NotChecked=0, Total=3422 [2022-09-16 10:36:58,286 INFO L413 NwaCegarLoop]: 469 mSDtfsCounter, 1950 mSDsluCounter, 4040 mSDsCounter, 0 mSdLazyCounter, 1755 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1950 SdHoareTripleChecker+Valid, 4457 SdHoareTripleChecker+Invalid, 1937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 1755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:36:58,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1950 Valid, 4457 Invalid, 1937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 1755 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-09-16 10:36:58,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29824 states. [2022-09-16 10:36:58,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29824 to 22705. [2022-09-16 10:36:58,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22705 states, 22677 states have (on average 2.8564183974952595) internal successors, (64775), 22704 states have internal predecessors, (64775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:58,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22705 states to 22705 states and 64775 transitions. [2022-09-16 10:36:58,973 INFO L78 Accepts]: Start accepts. Automaton has 22705 states and 64775 transitions. Word has length 89 [2022-09-16 10:36:58,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:36:58,973 INFO L495 AbstractCegarLoop]: Abstraction has 22705 states and 64775 transitions. [2022-09-16 10:36:58,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.238095238095238) internal successors, (89), 22 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:36:58,973 INFO L276 IsEmpty]: Start isEmpty. Operand 22705 states and 64775 transitions. [2022-09-16 10:36:58,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-09-16 10:36:58,979 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:36:58,979 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:36:58,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-09-16 10:36:58,979 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 10:36:58,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:36:58,980 INFO L85 PathProgramCache]: Analyzing trace with hash -577132597, now seen corresponding path program 3 times [2022-09-16 10:36:58,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:36:58,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143815556] [2022-09-16 10:36:58,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:36:58,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:36:59,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:36:59,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:36:59,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:36:59,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143815556] [2022-09-16 10:36:59,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143815556] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:36:59,673 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:36:59,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-09-16 10:36:59,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324880400] [2022-09-16 10:36:59,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:36:59,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-09-16 10:36:59,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:36:59,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-09-16 10:36:59,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=523, Unknown=0, NotChecked=0, Total=600 [2022-09-16 10:36:59,675 INFO L87 Difference]: Start difference. First operand 22705 states and 64775 transitions. Second operand has 25 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 25 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:03,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:03,018 INFO L93 Difference]: Finished difference Result 26779 states and 75750 transitions. [2022-09-16 10:37:03,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-09-16 10:37:03,018 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 25 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-09-16 10:37:03,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:03,085 INFO L225 Difference]: With dead ends: 26779 [2022-09-16 10:37:03,085 INFO L226 Difference]: Without dead ends: 26779 [2022-09-16 10:37:03,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1183 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1043, Invalid=3649, Unknown=0, NotChecked=0, Total=4692 [2022-09-16 10:37:03,086 INFO L413 NwaCegarLoop]: 508 mSDtfsCounter, 3099 mSDsluCounter, 5147 mSDsCounter, 0 mSdLazyCounter, 2131 mSolverCounterSat, 301 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3099 SdHoareTripleChecker+Valid, 5581 SdHoareTripleChecker+Invalid, 2432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 301 IncrementalHoareTripleChecker+Valid, 2131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:03,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3099 Valid, 5581 Invalid, 2432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [301 Valid, 2131 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-09-16 10:37:03,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26779 states. [2022-09-16 10:37:03,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26779 to 19390. [2022-09-16 10:37:03,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19390 states, 19368 states have (on average 2.8303903345724906) internal successors, (54819), 19389 states have internal predecessors, (54819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:03,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19390 states to 19390 states and 54819 transitions. [2022-09-16 10:37:03,597 INFO L78 Accepts]: Start accepts. Automaton has 19390 states and 54819 transitions. Word has length 89 [2022-09-16 10:37:03,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:03,598 INFO L495 AbstractCegarLoop]: Abstraction has 19390 states and 54819 transitions. [2022-09-16 10:37:03,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 25 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:03,598 INFO L276 IsEmpty]: Start isEmpty. Operand 19390 states and 54819 transitions. [2022-09-16 10:37:03,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-09-16 10:37:03,603 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:03,603 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:03,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-09-16 10:37:03,603 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 10:37:03,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:03,603 INFO L85 PathProgramCache]: Analyzing trace with hash 423771183, now seen corresponding path program 4 times [2022-09-16 10:37:03,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:03,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321139468] [2022-09-16 10:37:03,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:03,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:03,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:03,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:03,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321139468] [2022-09-16 10:37:03,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321139468] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:03,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:03,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-09-16 10:37:03,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885432720] [2022-09-16 10:37:03,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:03,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-09-16 10:37:03,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:03,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-09-16 10:37:03,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2022-09-16 10:37:03,972 INFO L87 Difference]: Start difference. First operand 19390 states and 54819 transitions. Second operand has 19 states, 18 states have (on average 4.944444444444445) internal successors, (89), 19 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:06,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:06,680 INFO L93 Difference]: Finished difference Result 22297 states and 62573 transitions. [2022-09-16 10:37:06,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-09-16 10:37:06,680 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 4.944444444444445) internal successors, (89), 19 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-09-16 10:37:06,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:06,722 INFO L225 Difference]: With dead ends: 22297 [2022-09-16 10:37:06,722 INFO L226 Difference]: Without dead ends: 22297 [2022-09-16 10:37:06,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 772 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=840, Invalid=2352, Unknown=0, NotChecked=0, Total=3192 [2022-09-16 10:37:06,724 INFO L413 NwaCegarLoop]: 510 mSDtfsCounter, 3465 mSDsluCounter, 2518 mSDsCounter, 0 mSdLazyCounter, 1071 mSolverCounterSat, 354 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3465 SdHoareTripleChecker+Valid, 2994 SdHoareTripleChecker+Invalid, 1425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 354 IncrementalHoareTripleChecker+Valid, 1071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:06,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3465 Valid, 2994 Invalid, 1425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [354 Valid, 1071 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:37:06,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22297 states. [2022-09-16 10:37:06,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22297 to 18713. [2022-09-16 10:37:07,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18713 states, 18691 states have (on average 2.831683698036488) internal successors, (52927), 18712 states have internal predecessors, (52927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:07,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18713 states to 18713 states and 52927 transitions. [2022-09-16 10:37:07,194 INFO L78 Accepts]: Start accepts. Automaton has 18713 states and 52927 transitions. Word has length 89 [2022-09-16 10:37:07,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:07,195 INFO L495 AbstractCegarLoop]: Abstraction has 18713 states and 52927 transitions. [2022-09-16 10:37:07,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 4.944444444444445) internal successors, (89), 19 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:07,195 INFO L276 IsEmpty]: Start isEmpty. Operand 18713 states and 52927 transitions. [2022-09-16 10:37:07,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-09-16 10:37:07,204 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:07,204 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, 1, 1, 1] [2022-09-16 10:37:07,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-09-16 10:37:07,205 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 10:37:07,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:07,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1195635157, now seen corresponding path program 2 times [2022-09-16 10:37:07,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:07,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652499667] [2022-09-16 10:37:07,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:07,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:07,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:07,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:07,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652499667] [2022-09-16 10:37:07,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652499667] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:07,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:07,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-09-16 10:37:07,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686317438] [2022-09-16 10:37:07,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:07,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-09-16 10:37:07,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:07,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-09-16 10:37:07,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2022-09-16 10:37:07,840 INFO L87 Difference]: Start difference. First operand 18713 states and 52927 transitions. Second operand has 25 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 25 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:10,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:10,308 INFO L93 Difference]: Finished difference Result 30017 states and 85147 transitions. [2022-09-16 10:37:10,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-09-16 10:37:10,308 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 25 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-09-16 10:37:10,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:10,378 INFO L225 Difference]: With dead ends: 30017 [2022-09-16 10:37:10,378 INFO L226 Difference]: Without dead ends: 30017 [2022-09-16 10:37:10,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 593 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=658, Invalid=2204, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:37:10,379 INFO L413 NwaCegarLoop]: 458 mSDtfsCounter, 2110 mSDsluCounter, 3989 mSDsCounter, 0 mSdLazyCounter, 1761 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2110 SdHoareTripleChecker+Valid, 4404 SdHoareTripleChecker+Invalid, 1926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 1761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:10,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2110 Valid, 4404 Invalid, 1926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 1761 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-09-16 10:37:10,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30017 states. [2022-09-16 10:37:10,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30017 to 19112. [2022-09-16 10:37:10,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19112 states, 19090 states have (on average 2.8352016762702985) internal successors, (54124), 19111 states have internal predecessors, (54124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:10,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19112 states to 19112 states and 54124 transitions. [2022-09-16 10:37:10,869 INFO L78 Accepts]: Start accepts. Automaton has 19112 states and 54124 transitions. Word has length 89 [2022-09-16 10:37:10,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:10,869 INFO L495 AbstractCegarLoop]: Abstraction has 19112 states and 54124 transitions. [2022-09-16 10:37:10,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 25 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:10,869 INFO L276 IsEmpty]: Start isEmpty. Operand 19112 states and 54124 transitions. [2022-09-16 10:37:10,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-09-16 10:37:10,875 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:10,875 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:10,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-09-16 10:37:10,875 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 10:37:10,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:10,876 INFO L85 PathProgramCache]: Analyzing trace with hash 692717493, now seen corresponding path program 5 times [2022-09-16 10:37:10,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:10,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868192698] [2022-09-16 10:37:10,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:10,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:10,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:11,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:11,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:11,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868192698] [2022-09-16 10:37:11,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868192698] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:11,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:11,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-09-16 10:37:11,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630986023] [2022-09-16 10:37:11,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:11,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:37:11,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:11,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:37:11,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:37:11,315 INFO L87 Difference]: Start difference. First operand 19112 states and 54124 transitions. Second operand has 22 states, 21 states have (on average 4.238095238095238) internal successors, (89), 22 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:13,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:13,627 INFO L93 Difference]: Finished difference Result 29201 states and 82678 transitions. [2022-09-16 10:37:13,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-09-16 10:37:13,628 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.238095238095238) internal successors, (89), 22 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-09-16 10:37:13,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:13,701 INFO L225 Difference]: With dead ends: 29201 [2022-09-16 10:37:13,701 INFO L226 Difference]: Without dead ends: 29201 [2022-09-16 10:37:13,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 433 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=578, Invalid=1774, Unknown=0, NotChecked=0, Total=2352 [2022-09-16 10:37:13,702 INFO L413 NwaCegarLoop]: 406 mSDtfsCounter, 1619 mSDsluCounter, 3837 mSDsCounter, 0 mSdLazyCounter, 1722 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1619 SdHoareTripleChecker+Valid, 4201 SdHoareTripleChecker+Invalid, 1850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 1722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:13,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1619 Valid, 4201 Invalid, 1850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 1722 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:37:13,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29201 states. [2022-09-16 10:37:14,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29201 to 18732. [2022-09-16 10:37:14,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18732 states, 18710 states have (on average 2.831854623196152) internal successors, (52984), 18731 states have internal predecessors, (52984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:14,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18732 states to 18732 states and 52984 transitions. [2022-09-16 10:37:14,196 INFO L78 Accepts]: Start accepts. Automaton has 18732 states and 52984 transitions. Word has length 89 [2022-09-16 10:37:14,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:14,197 INFO L495 AbstractCegarLoop]: Abstraction has 18732 states and 52984 transitions. [2022-09-16 10:37:14,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.238095238095238) internal successors, (89), 22 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:14,197 INFO L276 IsEmpty]: Start isEmpty. Operand 18732 states and 52984 transitions. [2022-09-16 10:37:14,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-09-16 10:37:14,201 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:14,201 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:14,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-09-16 10:37:14,201 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 10:37:14,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:14,202 INFO L85 PathProgramCache]: Analyzing trace with hash -580847373, now seen corresponding path program 3 times [2022-09-16 10:37:14,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:14,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175360698] [2022-09-16 10:37:14,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:14,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:14,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:14,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:14,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175360698] [2022-09-16 10:37:14,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175360698] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:14,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:14,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-09-16 10:37:14,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532200847] [2022-09-16 10:37:14,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:14,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-09-16 10:37:14,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:14,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-09-16 10:37:14,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-09-16 10:37:14,725 INFO L87 Difference]: Start difference. First operand 18732 states and 52984 transitions. Second operand has 25 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 25 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:17,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:17,384 INFO L93 Difference]: Finished difference Result 31411 states and 89171 transitions. [2022-09-16 10:37:17,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-09-16 10:37:17,384 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 25 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-09-16 10:37:17,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:17,456 INFO L225 Difference]: With dead ends: 31411 [2022-09-16 10:37:17,457 INFO L226 Difference]: Without dead ends: 31411 [2022-09-16 10:37:17,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 612 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=685, Invalid=2285, Unknown=0, NotChecked=0, Total=2970 [2022-09-16 10:37:17,458 INFO L413 NwaCegarLoop]: 460 mSDtfsCounter, 2001 mSDsluCounter, 4188 mSDsCounter, 0 mSdLazyCounter, 1841 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2001 SdHoareTripleChecker+Valid, 4603 SdHoareTripleChecker+Invalid, 2008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 1841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:17,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2001 Valid, 4603 Invalid, 2008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 1841 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-09-16 10:37:17,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31411 states. [2022-09-16 10:37:17,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31411 to 19148. [2022-09-16 10:37:17,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19148 states, 19126 states have (on average 2.8356687232040154) internal successors, (54235), 19147 states have internal predecessors, (54235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:18,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19148 states to 19148 states and 54235 transitions. [2022-09-16 10:37:18,035 INFO L78 Accepts]: Start accepts. Automaton has 19148 states and 54235 transitions. Word has length 89 [2022-09-16 10:37:18,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:18,035 INFO L495 AbstractCegarLoop]: Abstraction has 19148 states and 54235 transitions. [2022-09-16 10:37:18,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 25 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:18,036 INFO L276 IsEmpty]: Start isEmpty. Operand 19148 states and 54235 transitions. [2022-09-16 10:37:18,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-09-16 10:37:18,041 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:18,041 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:18,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-09-16 10:37:18,041 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 10:37:18,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:18,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1083765037, now seen corresponding path program 6 times [2022-09-16 10:37:18,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:18,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361275400] [2022-09-16 10:37:18,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:18,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:18,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:18,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:18,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361275400] [2022-09-16 10:37:18,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361275400] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:18,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:18,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-09-16 10:37:18,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829051927] [2022-09-16 10:37:18,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:18,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-09-16 10:37:18,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:18,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-09-16 10:37:18,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2022-09-16 10:37:18,590 INFO L87 Difference]: Start difference. First operand 19148 states and 54235 transitions. Second operand has 25 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 25 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:21,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:21,003 INFO L93 Difference]: Finished difference Result 28064 states and 79403 transitions. [2022-09-16 10:37:21,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-09-16 10:37:21,003 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 25 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-09-16 10:37:21,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:21,076 INFO L225 Difference]: With dead ends: 28064 [2022-09-16 10:37:21,076 INFO L226 Difference]: Without dead ends: 28064 [2022-09-16 10:37:21,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 545 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=593, Invalid=2059, Unknown=0, NotChecked=0, Total=2652 [2022-09-16 10:37:21,078 INFO L413 NwaCegarLoop]: 386 mSDtfsCounter, 1633 mSDsluCounter, 4054 mSDsCounter, 0 mSdLazyCounter, 1762 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1633 SdHoareTripleChecker+Valid, 4392 SdHoareTripleChecker+Invalid, 1903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 1762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:21,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1633 Valid, 4392 Invalid, 1903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 1762 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-09-16 10:37:21,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28064 states. [2022-09-16 10:37:21,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28064 to 18844. [2022-09-16 10:37:21,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18844 states, 18822 states have (on average 2.8330145574327914) internal successors, (53323), 18843 states have internal predecessors, (53323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:21,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18844 states to 18844 states and 53323 transitions. [2022-09-16 10:37:21,672 INFO L78 Accepts]: Start accepts. Automaton has 18844 states and 53323 transitions. Word has length 89 [2022-09-16 10:37:21,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:21,673 INFO L495 AbstractCegarLoop]: Abstraction has 18844 states and 53323 transitions. [2022-09-16 10:37:21,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 25 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:21,673 INFO L276 IsEmpty]: Start isEmpty. Operand 18844 states and 53323 transitions. [2022-09-16 10:37:21,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-09-16 10:37:21,678 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:21,678 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:21,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-09-16 10:37:21,678 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 10:37:21,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:21,678 INFO L85 PathProgramCache]: Analyzing trace with hash -821280971, now seen corresponding path program 4 times [2022-09-16 10:37:21,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:21,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305634656] [2022-09-16 10:37:21,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:21,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:22,200 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 10:37:22,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:22,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305634656] [2022-09-16 10:37:22,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305634656] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:22,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:22,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-09-16 10:37:22,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731106844] [2022-09-16 10:37:22,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:22,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:37:22,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:22,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:37:22,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:37:22,202 INFO L87 Difference]: Start difference. First operand 18844 states and 53323 transitions. Second operand has 22 states, 21 states have (on average 4.238095238095238) internal successors, (89), 22 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:24,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:24,811 INFO L93 Difference]: Finished difference Result 37863 states and 107373 transitions. [2022-09-16 10:37:24,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-09-16 10:37:24,811 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.238095238095238) internal successors, (89), 22 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-09-16 10:37:24,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:24,912 INFO L225 Difference]: With dead ends: 37863 [2022-09-16 10:37:24,913 INFO L226 Difference]: Without dead ends: 37863 [2022-09-16 10:37:24,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 630 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=735, Invalid=2345, Unknown=0, NotChecked=0, Total=3080 [2022-09-16 10:37:24,913 INFO L413 NwaCegarLoop]: 490 mSDtfsCounter, 1656 mSDsluCounter, 4643 mSDsCounter, 0 mSdLazyCounter, 1898 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1656 SdHoareTripleChecker+Valid, 5088 SdHoareTripleChecker+Invalid, 2046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 1898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:24,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1656 Valid, 5088 Invalid, 2046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 1898 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-09-16 10:37:24,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37863 states. [2022-09-16 10:37:25,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37863 to 19580. [2022-09-16 10:37:25,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19580 states, 19558 states have (on average 2.835923918601084) internal successors, (55465), 19579 states have internal predecessors, (55465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:25,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19580 states to 19580 states and 55465 transitions. [2022-09-16 10:37:25,513 INFO L78 Accepts]: Start accepts. Automaton has 19580 states and 55465 transitions. Word has length 89 [2022-09-16 10:37:25,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:25,513 INFO L495 AbstractCegarLoop]: Abstraction has 19580 states and 55465 transitions. [2022-09-16 10:37:25,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.238095238095238) internal successors, (89), 22 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:25,513 INFO L276 IsEmpty]: Start isEmpty. Operand 19580 states and 55465 transitions. [2022-09-16 10:37:25,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-09-16 10:37:25,518 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:25,518 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:25,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-09-16 10:37:25,519 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 10:37:25,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:25,519 INFO L85 PathProgramCache]: Analyzing trace with hash -75990601, now seen corresponding path program 5 times [2022-09-16 10:37:25,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:25,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862381960] [2022-09-16 10:37:25,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:25,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:26,019 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 10:37:26,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:26,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862381960] [2022-09-16 10:37:26,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862381960] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:26,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:26,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-09-16 10:37:26,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901191396] [2022-09-16 10:37:26,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:26,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-09-16 10:37:26,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:26,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-09-16 10:37:26,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=526, Unknown=0, NotChecked=0, Total=600 [2022-09-16 10:37:26,021 INFO L87 Difference]: Start difference. First operand 19580 states and 55465 transitions. Second operand has 25 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 25 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:28,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:28,162 INFO L93 Difference]: Finished difference Result 26961 states and 76175 transitions. [2022-09-16 10:37:28,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-09-16 10:37:28,163 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 25 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-09-16 10:37:28,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:28,220 INFO L225 Difference]: With dead ends: 26961 [2022-09-16 10:37:28,220 INFO L226 Difference]: Without dead ends: 26961 [2022-09-16 10:37:28,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 561 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=595, Invalid=2057, Unknown=0, NotChecked=0, Total=2652 [2022-09-16 10:37:28,221 INFO L413 NwaCegarLoop]: 376 mSDtfsCounter, 1644 mSDsluCounter, 3387 mSDsCounter, 0 mSdLazyCounter, 1442 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1644 SdHoareTripleChecker+Valid, 3743 SdHoareTripleChecker+Invalid, 1573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 1442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:28,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1644 Valid, 3743 Invalid, 1573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 1442 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:37:28,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26961 states. [2022-09-16 10:37:28,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26961 to 19884. [2022-09-16 10:37:28,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19884 states, 19862 states have (on average 2.83843520290001) internal successors, (56377), 19883 states have internal predecessors, (56377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:28,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19884 states to 19884 states and 56377 transitions. [2022-09-16 10:37:28,686 INFO L78 Accepts]: Start accepts. Automaton has 19884 states and 56377 transitions. Word has length 89 [2022-09-16 10:37:28,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:28,687 INFO L495 AbstractCegarLoop]: Abstraction has 19884 states and 56377 transitions. [2022-09-16 10:37:28,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 25 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:28,687 INFO L276 IsEmpty]: Start isEmpty. Operand 19884 states and 56377 transitions. [2022-09-16 10:37:28,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-09-16 10:37:28,692 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:28,692 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:28,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-09-16 10:37:28,693 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 10:37:28,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:28,693 INFO L85 PathProgramCache]: Analyzing trace with hash -578908265, now seen corresponding path program 7 times [2022-09-16 10:37:28,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:28,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332354743] [2022-09-16 10:37:28,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:28,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:29,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:29,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:29,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332354743] [2022-09-16 10:37:29,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332354743] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:29,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:29,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-09-16 10:37:29,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237558923] [2022-09-16 10:37:29,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:29,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-09-16 10:37:29,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:29,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-09-16 10:37:29,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2022-09-16 10:37:29,285 INFO L87 Difference]: Start difference. First operand 19884 states and 56377 transitions. Second operand has 25 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 25 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:31,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:31,648 INFO L93 Difference]: Finished difference Result 29212 states and 82771 transitions. [2022-09-16 10:37:31,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-09-16 10:37:31,648 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 25 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-09-16 10:37:31,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:31,708 INFO L225 Difference]: With dead ends: 29212 [2022-09-16 10:37:31,708 INFO L226 Difference]: Without dead ends: 29212 [2022-09-16 10:37:31,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 602 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=687, Invalid=2283, Unknown=0, NotChecked=0, Total=2970 [2022-09-16 10:37:31,709 INFO L413 NwaCegarLoop]: 393 mSDtfsCounter, 1859 mSDsluCounter, 3516 mSDsCounter, 0 mSdLazyCounter, 1616 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1859 SdHoareTripleChecker+Valid, 3869 SdHoareTripleChecker+Invalid, 1774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 1616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:31,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1859 Valid, 3869 Invalid, 1774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 1616 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:37:31,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29212 states. [2022-09-16 10:37:32,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29212 to 19504. [2022-09-16 10:37:32,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19504 states, 19482 states have (on average 2.8352838517605994) internal successors, (55237), 19503 states have internal predecessors, (55237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:32,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19504 states to 19504 states and 55237 transitions. [2022-09-16 10:37:32,112 INFO L78 Accepts]: Start accepts. Automaton has 19504 states and 55237 transitions. Word has length 89 [2022-09-16 10:37:32,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:32,112 INFO L495 AbstractCegarLoop]: Abstraction has 19504 states and 55237 transitions. [2022-09-16 10:37:32,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 25 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:32,113 INFO L276 IsEmpty]: Start isEmpty. Operand 19504 states and 55237 transitions. [2022-09-16 10:37:32,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-09-16 10:37:32,117 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:32,117 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:32,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-09-16 10:37:32,118 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 10:37:32,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:32,118 INFO L85 PathProgramCache]: Analyzing trace with hash -1852473131, now seen corresponding path program 6 times [2022-09-16 10:37:32,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:32,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911563961] [2022-09-16 10:37:32,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:32,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:32,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:32,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:32,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911563961] [2022-09-16 10:37:32,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911563961] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:32,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:32,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-09-16 10:37:32,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047291355] [2022-09-16 10:37:32,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:32,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:37:32,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:32,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:37:32,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:37:32,627 INFO L87 Difference]: Start difference. First operand 19504 states and 55237 transitions. Second operand has 22 states, 21 states have (on average 4.238095238095238) internal successors, (89), 22 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:34,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:34,787 INFO L93 Difference]: Finished difference Result 28166 states and 79664 transitions. [2022-09-16 10:37:34,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-09-16 10:37:34,788 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.238095238095238) internal successors, (89), 22 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-09-16 10:37:34,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:34,849 INFO L225 Difference]: With dead ends: 28166 [2022-09-16 10:37:34,850 INFO L226 Difference]: Without dead ends: 28166 [2022-09-16 10:37:34,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 440 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=580, Invalid=1772, Unknown=0, NotChecked=0, Total=2352 [2022-09-16 10:37:34,850 INFO L413 NwaCegarLoop]: 415 mSDtfsCounter, 1671 mSDsluCounter, 3089 mSDsCounter, 0 mSdLazyCounter, 1403 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1671 SdHoareTripleChecker+Valid, 3488 SdHoareTripleChecker+Invalid, 1534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 1403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:34,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1671 Valid, 3488 Invalid, 1534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 1403 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:37:34,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28166 states. [2022-09-16 10:37:35,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28166 to 19884. [2022-09-16 10:37:35,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19884 states, 19862 states have (on average 2.83843520290001) internal successors, (56377), 19883 states have internal predecessors, (56377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:35,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19884 states to 19884 states and 56377 transitions. [2022-09-16 10:37:35,304 INFO L78 Accepts]: Start accepts. Automaton has 19884 states and 56377 transitions. Word has length 89 [2022-09-16 10:37:35,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:35,304 INFO L495 AbstractCegarLoop]: Abstraction has 19884 states and 56377 transitions. [2022-09-16 10:37:35,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.238095238095238) internal successors, (89), 22 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:35,367 INFO L276 IsEmpty]: Start isEmpty. Operand 19884 states and 56377 transitions. [2022-09-16 10:37:35,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-09-16 10:37:35,372 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:35,372 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:35,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-09-16 10:37:35,372 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 10:37:35,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:35,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1939576501, now seen corresponding path program 8 times [2022-09-16 10:37:35,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:35,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047178831] [2022-09-16 10:37:35,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:35,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:35,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:35,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:35,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047178831] [2022-09-16 10:37:35,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047178831] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:35,772 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:35,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-09-16 10:37:35,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433858777] [2022-09-16 10:37:35,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:35,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:37:35,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:35,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:37:35,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:37:35,773 INFO L87 Difference]: Start difference. First operand 19884 states and 56377 transitions. Second operand has 22 states, 21 states have (on average 4.238095238095238) internal successors, (89), 22 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:37,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:37,830 INFO L93 Difference]: Finished difference Result 29497 states and 83626 transitions. [2022-09-16 10:37:37,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-09-16 10:37:37,831 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.238095238095238) internal successors, (89), 22 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-09-16 10:37:37,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:37,893 INFO L225 Difference]: With dead ends: 29497 [2022-09-16 10:37:37,893 INFO L226 Difference]: Without dead ends: 29497 [2022-09-16 10:37:37,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 435 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=585, Invalid=1767, Unknown=0, NotChecked=0, Total=2352 [2022-09-16 10:37:37,894 INFO L413 NwaCegarLoop]: 397 mSDtfsCounter, 2053 mSDsluCounter, 2847 mSDsCounter, 0 mSdLazyCounter, 1348 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2053 SdHoareTripleChecker+Valid, 3211 SdHoareTripleChecker+Invalid, 1516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 1348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:37,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2053 Valid, 3211 Invalid, 1516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 1348 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:37:37,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29497 states. [2022-09-16 10:37:38,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29497 to 19580. [2022-09-16 10:37:38,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19580 states, 19558 states have (on average 2.835923918601084) internal successors, (55465), 19579 states have internal predecessors, (55465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:38,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19580 states to 19580 states and 55465 transitions. [2022-09-16 10:37:38,320 INFO L78 Accepts]: Start accepts. Automaton has 19580 states and 55465 transitions. Word has length 89 [2022-09-16 10:37:38,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:38,320 INFO L495 AbstractCegarLoop]: Abstraction has 19580 states and 55465 transitions. [2022-09-16 10:37:38,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.238095238095238) internal successors, (89), 22 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:38,320 INFO L276 IsEmpty]: Start isEmpty. Operand 19580 states and 55465 transitions. [2022-09-16 10:37:38,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-09-16 10:37:38,326 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:38,326 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:38,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-09-16 10:37:38,326 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 10:37:38,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:38,327 INFO L85 PathProgramCache]: Analyzing trace with hash -2092906729, now seen corresponding path program 7 times [2022-09-16 10:37:38,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:38,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800590855] [2022-09-16 10:37:38,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:38,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:38,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:38,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:38,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800590855] [2022-09-16 10:37:38,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800590855] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:38,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:38,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-09-16 10:37:38,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119446753] [2022-09-16 10:37:38,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:38,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:37:38,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:38,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:37:38,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:37:38,806 INFO L87 Difference]: Start difference. First operand 19580 states and 55465 transitions. Second operand has 22 states, 21 states have (on average 4.238095238095238) internal successors, (89), 22 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:41,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:41,481 INFO L93 Difference]: Finished difference Result 32495 states and 92271 transitions. [2022-09-16 10:37:41,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-09-16 10:37:41,482 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.238095238095238) internal successors, (89), 22 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-09-16 10:37:41,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:41,552 INFO L225 Difference]: With dead ends: 32495 [2022-09-16 10:37:41,552 INFO L226 Difference]: Without dead ends: 32495 [2022-09-16 10:37:41,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 584 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=741, Invalid=2229, Unknown=0, NotChecked=0, Total=2970 [2022-09-16 10:37:41,553 INFO L413 NwaCegarLoop]: 540 mSDtfsCounter, 1568 mSDsluCounter, 4781 mSDsCounter, 0 mSdLazyCounter, 2024 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1568 SdHoareTripleChecker+Valid, 5280 SdHoareTripleChecker+Invalid, 2142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 2024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:41,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1568 Valid, 5280 Invalid, 2142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 2024 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-09-16 10:37:41,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32495 states. [2022-09-16 10:37:41,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32495 to 19485. [2022-09-16 10:37:41,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19485 states, 19463 states have (on average 2.8351230539998973) internal successors, (55180), 19484 states have internal predecessors, (55180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:41,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19485 states to 19485 states and 55180 transitions. [2022-09-16 10:37:41,971 INFO L78 Accepts]: Start accepts. Automaton has 19485 states and 55180 transitions. Word has length 89 [2022-09-16 10:37:41,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:41,971 INFO L495 AbstractCegarLoop]: Abstraction has 19485 states and 55180 transitions. [2022-09-16 10:37:41,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.238095238095238) internal successors, (89), 22 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:41,972 INFO L276 IsEmpty]: Start isEmpty. Operand 19485 states and 55180 transitions. [2022-09-16 10:37:41,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-09-16 10:37:41,977 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:41,978 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:41,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-09-16 10:37:41,978 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 10:37:41,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:41,978 INFO L85 PathProgramCache]: Analyzing trace with hash 23776313, now seen corresponding path program 8 times [2022-09-16 10:37:41,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:41,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906617774] [2022-09-16 10:37:41,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:41,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:42,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:42,435 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 10:37:42,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:42,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906617774] [2022-09-16 10:37:42,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906617774] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:42,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:42,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-09-16 10:37:42,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416745854] [2022-09-16 10:37:42,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:42,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-09-16 10:37:42,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:42,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-09-16 10:37:42,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=526, Unknown=0, NotChecked=0, Total=600 [2022-09-16 10:37:42,437 INFO L87 Difference]: Start difference. First operand 19485 states and 55180 transitions. Second operand has 25 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 25 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:44,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:44,557 INFO L93 Difference]: Finished difference Result 26967 states and 76331 transitions. [2022-09-16 10:37:44,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-09-16 10:37:44,557 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 25 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-09-16 10:37:44,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:44,618 INFO L225 Difference]: With dead ends: 26967 [2022-09-16 10:37:44,618 INFO L226 Difference]: Without dead ends: 26967 [2022-09-16 10:37:44,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 576 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=585, Invalid=2067, Unknown=0, NotChecked=0, Total=2652 [2022-09-16 10:37:44,619 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 2020 mSDsluCounter, 3428 mSDsCounter, 0 mSdLazyCounter, 1468 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2020 SdHoareTripleChecker+Valid, 3770 SdHoareTripleChecker+Invalid, 1631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 1468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:44,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2020 Valid, 3770 Invalid, 1631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 1468 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:37:44,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26967 states. [2022-09-16 10:37:45,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26967 to 19293. [2022-09-16 10:37:45,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19293 states, 19271 states have (on average 2.834518187950807) internal successors, (54624), 19292 states have internal predecessors, (54624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:45,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19293 states to 19293 states and 54624 transitions. [2022-09-16 10:37:45,096 INFO L78 Accepts]: Start accepts. Automaton has 19293 states and 54624 transitions. Word has length 89 [2022-09-16 10:37:45,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:45,096 INFO L495 AbstractCegarLoop]: Abstraction has 19293 states and 54624 transitions. [2022-09-16 10:37:45,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 25 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:45,096 INFO L276 IsEmpty]: Start isEmpty. Operand 19293 states and 54624 transitions. [2022-09-16 10:37:45,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-09-16 10:37:45,101 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:45,101 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:45,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-09-16 10:37:45,101 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 10:37:45,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:45,102 INFO L85 PathProgramCache]: Analyzing trace with hash -479141351, now seen corresponding path program 9 times [2022-09-16 10:37:45,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:45,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690378161] [2022-09-16 10:37:45,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:45,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:45,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:45,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:45,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690378161] [2022-09-16 10:37:45,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690378161] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:45,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:45,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-09-16 10:37:45,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972921756] [2022-09-16 10:37:45,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:45,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:37:45,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:45,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:37:45,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:37:45,491 INFO L87 Difference]: Start difference. First operand 19293 states and 54624 transitions. Second operand has 22 states, 21 states have (on average 4.238095238095238) internal successors, (89), 22 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:47,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:47,499 INFO L93 Difference]: Finished difference Result 27768 states and 78632 transitions. [2022-09-16 10:37:47,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-09-16 10:37:47,500 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.238095238095238) internal successors, (89), 22 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-09-16 10:37:47,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:47,573 INFO L225 Difference]: With dead ends: 27768 [2022-09-16 10:37:47,573 INFO L226 Difference]: Without dead ends: 27768 [2022-09-16 10:37:47,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=589, Invalid=1763, Unknown=0, NotChecked=0, Total=2352 [2022-09-16 10:37:47,574 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 1699 mSDsluCounter, 2595 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1699 SdHoareTripleChecker+Valid, 2939 SdHoareTripleChecker+Invalid, 1373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:47,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1699 Valid, 2939 Invalid, 1373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 1226 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:37:47,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27768 states. [2022-09-16 10:37:47,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27768 to 18592. [2022-09-16 10:37:47,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18592 states, 18570 states have (on average 2.834518039849219) internal successors, (52637), 18591 states have internal predecessors, (52637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:47,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18592 states to 18592 states and 52637 transitions. [2022-09-16 10:37:47,968 INFO L78 Accepts]: Start accepts. Automaton has 18592 states and 52637 transitions. Word has length 89 [2022-09-16 10:37:47,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:47,968 INFO L495 AbstractCegarLoop]: Abstraction has 18592 states and 52637 transitions. [2022-09-16 10:37:47,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.238095238095238) internal successors, (89), 22 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:47,968 INFO L276 IsEmpty]: Start isEmpty. Operand 18592 states and 52637 transitions. [2022-09-16 10:37:47,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-09-16 10:37:47,972 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:47,972 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:47,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-09-16 10:37:47,972 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 10:37:47,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:47,973 INFO L85 PathProgramCache]: Analyzing trace with hash -216657285, now seen corresponding path program 9 times [2022-09-16 10:37:47,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:47,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021168925] [2022-09-16 10:37:47,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:47,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:48,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:48,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:48,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021168925] [2022-09-16 10:37:48,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021168925] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:48,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:48,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-09-16 10:37:48,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543814374] [2022-09-16 10:37:48,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:48,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:37:48,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:48,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:37:48,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:37:48,332 INFO L87 Difference]: Start difference. First operand 18592 states and 52637 transitions. Second operand has 22 states, 21 states have (on average 4.238095238095238) internal successors, (89), 22 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:51,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:51,234 INFO L93 Difference]: Finished difference Result 32782 states and 93279 transitions. [2022-09-16 10:37:51,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-09-16 10:37:51,235 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.238095238095238) internal successors, (89), 22 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-09-16 10:37:51,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:51,314 INFO L225 Difference]: With dead ends: 32782 [2022-09-16 10:37:51,314 INFO L226 Difference]: Without dead ends: 32782 [2022-09-16 10:37:51,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 731 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=856, Invalid=2566, Unknown=0, NotChecked=0, Total=3422 [2022-09-16 10:37:51,315 INFO L413 NwaCegarLoop]: 556 mSDtfsCounter, 1813 mSDsluCounter, 4472 mSDsCounter, 0 mSdLazyCounter, 1922 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1813 SdHoareTripleChecker+Valid, 4988 SdHoareTripleChecker+Invalid, 2066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 1922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:51,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1813 Valid, 4988 Invalid, 2066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 1922 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-09-16 10:37:51,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32782 states. [2022-09-16 10:37:51,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32782 to 18468. [2022-09-16 10:37:51,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18468 states, 18446 states have (on average 2.8331887672124036) internal successors, (52261), 18467 states have internal predecessors, (52261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:51,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18468 states to 18468 states and 52261 transitions. [2022-09-16 10:37:51,838 INFO L78 Accepts]: Start accepts. Automaton has 18468 states and 52261 transitions. Word has length 89 [2022-09-16 10:37:51,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:51,838 INFO L495 AbstractCegarLoop]: Abstraction has 18468 states and 52261 transitions. [2022-09-16 10:37:51,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.238095238095238) internal successors, (89), 22 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:51,839 INFO L276 IsEmpty]: Start isEmpty. Operand 18468 states and 52261 transitions. [2022-09-16 10:37:51,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-09-16 10:37:51,842 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:51,842 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:51,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-09-16 10:37:51,842 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 10:37:51,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:51,843 INFO L85 PathProgramCache]: Analyzing trace with hash 643437869, now seen corresponding path program 10 times [2022-09-16 10:37:51,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:51,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125755783] [2022-09-16 10:37:51,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:51,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:52,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:52,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:52,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125755783] [2022-09-16 10:37:52,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125755783] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:52,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:52,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-09-16 10:37:52,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727871100] [2022-09-16 10:37:52,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:52,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-09-16 10:37:52,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:52,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-09-16 10:37:52,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=522, Unknown=0, NotChecked=0, Total=600 [2022-09-16 10:37:52,290 INFO L87 Difference]: Start difference. First operand 18468 states and 52261 transitions. Second operand has 25 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 25 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:55,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:55,518 INFO L93 Difference]: Finished difference Result 34278 states and 96948 transitions. [2022-09-16 10:37:55,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-09-16 10:37:55,519 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 25 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-09-16 10:37:55,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:55,597 INFO L225 Difference]: With dead ends: 34278 [2022-09-16 10:37:55,598 INFO L226 Difference]: Without dead ends: 34278 [2022-09-16 10:37:55,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1168 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1054, Invalid=3638, Unknown=0, NotChecked=0, Total=4692 [2022-09-16 10:37:55,599 INFO L413 NwaCegarLoop]: 559 mSDtfsCounter, 2282 mSDsluCounter, 5326 mSDsCounter, 0 mSdLazyCounter, 2165 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2282 SdHoareTripleChecker+Valid, 5836 SdHoareTripleChecker+Invalid, 2388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 2165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:55,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2282 Valid, 5836 Invalid, 2388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 2165 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-09-16 10:37:55,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34278 states. [2022-09-16 10:37:55,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34278 to 15178. [2022-09-16 10:37:55,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15178 states, 15160 states have (on average 2.8095646437994723) internal successors, (42593), 15177 states have internal predecessors, (42593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:56,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15178 states to 15178 states and 42593 transitions. [2022-09-16 10:37:56,012 INFO L78 Accepts]: Start accepts. Automaton has 15178 states and 42593 transitions. Word has length 89 [2022-09-16 10:37:56,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:56,012 INFO L495 AbstractCegarLoop]: Abstraction has 15178 states and 42593 transitions. [2022-09-16 10:37:56,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.7083333333333335) internal successors, (89), 25 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:56,012 INFO L276 IsEmpty]: Start isEmpty. Operand 15178 states and 42593 transitions. [2022-09-16 10:37:56,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:37:56,015 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:56,015 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:56,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-09-16 10:37:56,016 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:56,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:56,016 INFO L85 PathProgramCache]: Analyzing trace with hash -762670580, now seen corresponding path program 1 times [2022-09-16 10:37:56,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:56,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289398250] [2022-09-16 10:37:56,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:56,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:56,135 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 10:37:56,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:56,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289398250] [2022-09-16 10:37:56,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289398250] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:56,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:56,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-09-16 10:37:56,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772312260] [2022-09-16 10:37:56,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:56,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-09-16 10:37:56,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:56,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-09-16 10:37:56,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-09-16 10:37:56,137 INFO L87 Difference]: Start difference. First operand 15178 states and 42593 transitions. Second operand has 9 states, 8 states have (on average 11.25) internal successors, (90), 9 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:56,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:56,813 INFO L93 Difference]: Finished difference Result 24209 states and 67475 transitions. [2022-09-16 10:37:56,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-09-16 10:37:56,814 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 9 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-09-16 10:37:56,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:56,871 INFO L225 Difference]: With dead ends: 24209 [2022-09-16 10:37:56,871 INFO L226 Difference]: Without dead ends: 22775 [2022-09-16 10:37:56,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2022-09-16 10:37:56,872 INFO L413 NwaCegarLoop]: 507 mSDtfsCounter, 611 mSDsluCounter, 1944 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 2432 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:56,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [611 Valid, 2432 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:37:56,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22775 states. [2022-09-16 10:37:57,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22775 to 17496. [2022-09-16 10:37:57,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17496 states, 17478 states have (on average 2.8170271198077583) internal successors, (49236), 17495 states have internal predecessors, (49236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:57,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17496 states to 17496 states and 49236 transitions. [2022-09-16 10:37:57,234 INFO L78 Accepts]: Start accepts. Automaton has 17496 states and 49236 transitions. Word has length 90 [2022-09-16 10:37:57,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:57,235 INFO L495 AbstractCegarLoop]: Abstraction has 17496 states and 49236 transitions. [2022-09-16 10:37:57,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 9 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:57,235 INFO L276 IsEmpty]: Start isEmpty. Operand 17496 states and 49236 transitions. [2022-09-16 10:37:57,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:37:57,239 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:57,239 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:57,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-09-16 10:37:57,239 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:57,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:57,240 INFO L85 PathProgramCache]: Analyzing trace with hash 826751037, now seen corresponding path program 1 times [2022-09-16 10:37:57,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:57,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682898239] [2022-09-16 10:37:57,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:57,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:57,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:57,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:57,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682898239] [2022-09-16 10:37:57,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682898239] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:57,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:57,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-09-16 10:37:57,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238788162] [2022-09-16 10:37:57,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:57,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-09-16 10:37:57,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:57,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-09-16 10:37:57,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-09-16 10:37:57,340 INFO L87 Difference]: Start difference. First operand 17496 states and 49236 transitions. Second operand has 9 states, 8 states have (on average 11.25) internal successors, (90), 9 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:57,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:37:57,844 INFO L93 Difference]: Finished difference Result 25671 states and 71092 transitions. [2022-09-16 10:37:57,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-09-16 10:37:57,845 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 9 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-09-16 10:37:57,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:37:57,896 INFO L225 Difference]: With dead ends: 25671 [2022-09-16 10:37:57,896 INFO L226 Difference]: Without dead ends: 24631 [2022-09-16 10:37:57,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2022-09-16 10:37:57,896 INFO L413 NwaCegarLoop]: 511 mSDtfsCounter, 645 mSDsluCounter, 2229 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 645 SdHoareTripleChecker+Valid, 2722 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:37:57,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [645 Valid, 2722 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:37:57,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24631 states. [2022-09-16 10:37:58,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24631 to 19464. [2022-09-16 10:37:58,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19464 states, 19446 states have (on average 2.8154376221330866) internal successors, (54749), 19463 states have internal predecessors, (54749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:58,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19464 states to 19464 states and 54749 transitions. [2022-09-16 10:37:58,354 INFO L78 Accepts]: Start accepts. Automaton has 19464 states and 54749 transitions. Word has length 90 [2022-09-16 10:37:58,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:37:58,355 INFO L495 AbstractCegarLoop]: Abstraction has 19464 states and 54749 transitions. [2022-09-16 10:37:58,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 9 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:37:58,355 INFO L276 IsEmpty]: Start isEmpty. Operand 19464 states and 54749 transitions. [2022-09-16 10:37:58,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:37:58,359 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:37:58,359 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:37:58,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-09-16 10:37:58,360 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:37:58,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:37:58,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1825051067, now seen corresponding path program 2 times [2022-09-16 10:37:58,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:37:58,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985792726] [2022-09-16 10:37:58,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:37:58,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:37:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:37:58,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:37:58,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:37:58,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985792726] [2022-09-16 10:37:58,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985792726] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:37:58,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:37:58,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-09-16 10:37:58,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576639586] [2022-09-16 10:37:58,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:37:58,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-09-16 10:37:58,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:37:58,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-09-16 10:37:58,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-09-16 10:37:58,820 INFO L87 Difference]: Start difference. First operand 19464 states and 54749 transitions. Second operand has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:00,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:00,908 INFO L93 Difference]: Finished difference Result 24593 states and 68281 transitions. [2022-09-16 10:38:00,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-09-16 10:38:00,908 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-09-16 10:38:00,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:00,953 INFO L225 Difference]: With dead ends: 24593 [2022-09-16 10:38:00,953 INFO L226 Difference]: Without dead ends: 23248 [2022-09-16 10:38:00,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 716 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=634, Invalid=2558, Unknown=0, NotChecked=0, Total=3192 [2022-09-16 10:38:00,954 INFO L413 NwaCegarLoop]: 364 mSDtfsCounter, 1866 mSDsluCounter, 3622 mSDsCounter, 0 mSdLazyCounter, 1453 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1866 SdHoareTripleChecker+Valid, 3930 SdHoareTripleChecker+Invalid, 1592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:00,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1866 Valid, 3930 Invalid, 1592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1453 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:38:00,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23248 states. [2022-09-16 10:38:01,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23248 to 19960. [2022-09-16 10:38:01,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19960 states, 19942 states have (on average 2.8127569952863305) internal successors, (56092), 19959 states have internal predecessors, (56092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:01,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19960 states to 19960 states and 56092 transitions. [2022-09-16 10:38:01,341 INFO L78 Accepts]: Start accepts. Automaton has 19960 states and 56092 transitions. Word has length 90 [2022-09-16 10:38:01,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:01,341 INFO L495 AbstractCegarLoop]: Abstraction has 19960 states and 56092 transitions. [2022-09-16 10:38:01,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:01,342 INFO L276 IsEmpty]: Start isEmpty. Operand 19960 states and 56092 transitions. [2022-09-16 10:38:01,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:38:01,346 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:01,346 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:01,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-09-16 10:38:01,347 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:01,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:01,347 INFO L85 PathProgramCache]: Analyzing trace with hash 77569707, now seen corresponding path program 3 times [2022-09-16 10:38:01,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:01,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728769676] [2022-09-16 10:38:01,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:01,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:01,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:01,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:01,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728769676] [2022-09-16 10:38:01,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728769676] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:01,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:01,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-09-16 10:38:01,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009069861] [2022-09-16 10:38:01,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:01,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-09-16 10:38:01,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:01,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-09-16 10:38:01,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-09-16 10:38:01,801 INFO L87 Difference]: Start difference. First operand 19960 states and 56092 transitions. Second operand has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:03,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:03,865 INFO L93 Difference]: Finished difference Result 24480 states and 67871 transitions. [2022-09-16 10:38:03,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-09-16 10:38:03,865 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-09-16 10:38:03,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:03,911 INFO L225 Difference]: With dead ends: 24480 [2022-09-16 10:38:03,911 INFO L226 Difference]: Without dead ends: 23260 [2022-09-16 10:38:03,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 676 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=623, Invalid=2457, Unknown=0, NotChecked=0, Total=3080 [2022-09-16 10:38:03,912 INFO L413 NwaCegarLoop]: 343 mSDtfsCounter, 1916 mSDsluCounter, 3101 mSDsCounter, 0 mSdLazyCounter, 1309 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1916 SdHoareTripleChecker+Valid, 3404 SdHoareTripleChecker+Invalid, 1452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 1309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:03,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1916 Valid, 3404 Invalid, 1452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 1309 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:38:03,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23260 states. [2022-09-16 10:38:04,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23260 to 20012. [2022-09-16 10:38:04,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20012 states, 19994 states have (on average 2.8128438531559468) internal successors, (56240), 20011 states have internal predecessors, (56240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:04,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20012 states to 20012 states and 56240 transitions. [2022-09-16 10:38:04,295 INFO L78 Accepts]: Start accepts. Automaton has 20012 states and 56240 transitions. Word has length 90 [2022-09-16 10:38:04,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:04,295 INFO L495 AbstractCegarLoop]: Abstraction has 20012 states and 56240 transitions. [2022-09-16 10:38:04,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:04,295 INFO L276 IsEmpty]: Start isEmpty. Operand 20012 states and 56240 transitions. [2022-09-16 10:38:04,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:38:04,300 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:04,300 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:04,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-09-16 10:38:04,300 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:04,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:04,301 INFO L85 PathProgramCache]: Analyzing trace with hash -711240857, now seen corresponding path program 4 times [2022-09-16 10:38:04,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:04,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762043487] [2022-09-16 10:38:04,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:04,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:04,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:04,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:04,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762043487] [2022-09-16 10:38:04,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762043487] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:04,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:04,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-09-16 10:38:04,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941773811] [2022-09-16 10:38:04,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:04,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:38:04,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:04,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:38:04,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:38:04,746 INFO L87 Difference]: Start difference. First operand 20012 states and 56240 transitions. Second operand has 22 states, 21 states have (on average 4.285714285714286) internal successors, (90), 22 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:06,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:06,549 INFO L93 Difference]: Finished difference Result 25118 states and 69607 transitions. [2022-09-16 10:38:06,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-09-16 10:38:06,549 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.285714285714286) internal successors, (90), 22 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-09-16 10:38:06,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:06,592 INFO L225 Difference]: With dead ends: 25118 [2022-09-16 10:38:06,593 INFO L226 Difference]: Without dead ends: 23398 [2022-09-16 10:38:06,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 618 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=615, Invalid=2247, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:38:06,594 INFO L413 NwaCegarLoop]: 397 mSDtfsCounter, 2484 mSDsluCounter, 2953 mSDsCounter, 0 mSdLazyCounter, 1200 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2484 SdHoareTripleChecker+Valid, 3300 SdHoareTripleChecker+Invalid, 1387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 1200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:06,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2484 Valid, 3300 Invalid, 1387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 1200 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:38:06,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23398 states. [2022-09-16 10:38:06,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23398 to 20320. [2022-09-16 10:38:06,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20320 states, 20302 states have (on average 2.8087380553640036) internal successors, (57023), 20319 states have internal predecessors, (57023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:06,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20320 states to 20320 states and 57023 transitions. [2022-09-16 10:38:06,973 INFO L78 Accepts]: Start accepts. Automaton has 20320 states and 57023 transitions. Word has length 90 [2022-09-16 10:38:06,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:06,973 INFO L495 AbstractCegarLoop]: Abstraction has 20320 states and 57023 transitions. [2022-09-16 10:38:06,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.285714285714286) internal successors, (90), 22 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:06,973 INFO L276 IsEmpty]: Start isEmpty. Operand 20320 states and 57023 transitions. [2022-09-16 10:38:06,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:38:06,977 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:06,978 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:06,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-09-16 10:38:06,978 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:06,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:06,978 INFO L85 PathProgramCache]: Analyzing trace with hash 206709333, now seen corresponding path program 5 times [2022-09-16 10:38:06,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:06,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79697087] [2022-09-16 10:38:06,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:06,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:07,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:07,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:07,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79697087] [2022-09-16 10:38:07,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79697087] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:07,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:07,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-09-16 10:38:07,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865264933] [2022-09-16 10:38:07,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:07,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-09-16 10:38:07,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:07,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-09-16 10:38:07,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-09-16 10:38:07,481 INFO L87 Difference]: Start difference. First operand 20320 states and 57023 transitions. Second operand has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:09,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:09,792 INFO L93 Difference]: Finished difference Result 26235 states and 72574 transitions. [2022-09-16 10:38:09,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-09-16 10:38:09,793 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-09-16 10:38:09,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:09,845 INFO L225 Difference]: With dead ends: 26235 [2022-09-16 10:38:09,845 INFO L226 Difference]: Without dead ends: 24890 [2022-09-16 10:38:09,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 754 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=657, Invalid=2649, Unknown=0, NotChecked=0, Total=3306 [2022-09-16 10:38:09,847 INFO L413 NwaCegarLoop]: 370 mSDtfsCounter, 1744 mSDsluCounter, 4521 mSDsCounter, 0 mSdLazyCounter, 1749 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1744 SdHoareTripleChecker+Valid, 4814 SdHoareTripleChecker+Invalid, 1870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 1749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:09,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1744 Valid, 4814 Invalid, 1870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 1749 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-09-16 10:38:09,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24890 states. [2022-09-16 10:38:10,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24890 to 20365. [2022-09-16 10:38:10,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20365 states, 20347 states have (on average 2.807883226028407) internal successors, (57132), 20364 states have internal predecessors, (57132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:10,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20365 states to 20365 states and 57132 transitions. [2022-09-16 10:38:10,233 INFO L78 Accepts]: Start accepts. Automaton has 20365 states and 57132 transitions. Word has length 90 [2022-09-16 10:38:10,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:10,233 INFO L495 AbstractCegarLoop]: Abstraction has 20365 states and 57132 transitions. [2022-09-16 10:38:10,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:10,234 INFO L276 IsEmpty]: Start isEmpty. Operand 20365 states and 57132 transitions. [2022-09-16 10:38:10,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:38:10,238 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:10,238 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:10,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-09-16 10:38:10,239 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:10,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:10,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1540772027, now seen corresponding path program 6 times [2022-09-16 10:38:10,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:10,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524172365] [2022-09-16 10:38:10,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:10,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:10,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:10,657 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 10:38:10,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:10,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524172365] [2022-09-16 10:38:10,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524172365] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:10,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:10,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-09-16 10:38:10,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128388764] [2022-09-16 10:38:10,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:10,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:38:10,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:10,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:38:10,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:38:10,659 INFO L87 Difference]: Start difference. First operand 20365 states and 57132 transitions. Second operand has 22 states, 21 states have (on average 4.285714285714286) internal successors, (90), 22 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:12,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:12,668 INFO L93 Difference]: Finished difference Result 24817 states and 68698 transitions. [2022-09-16 10:38:12,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-09-16 10:38:12,669 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.285714285714286) internal successors, (90), 22 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-09-16 10:38:12,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:12,714 INFO L225 Difference]: With dead ends: 24817 [2022-09-16 10:38:12,715 INFO L226 Difference]: Without dead ends: 23597 [2022-09-16 10:38:12,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 545 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=585, Invalid=2067, Unknown=0, NotChecked=0, Total=2652 [2022-09-16 10:38:12,715 INFO L413 NwaCegarLoop]: 368 mSDtfsCounter, 2022 mSDsluCounter, 3183 mSDsCounter, 0 mSdLazyCounter, 1326 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2022 SdHoareTripleChecker+Valid, 3509 SdHoareTripleChecker+Invalid, 1461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 1326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:12,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2022 Valid, 3509 Invalid, 1461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 1326 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:38:12,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23597 states. [2022-09-16 10:38:13,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23597 to 20230. [2022-09-16 10:38:13,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20230 states, 20212 states have (on average 2.807985355234514) internal successors, (56755), 20229 states have internal predecessors, (56755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:13,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20230 states to 20230 states and 56755 transitions. [2022-09-16 10:38:13,162 INFO L78 Accepts]: Start accepts. Automaton has 20230 states and 56755 transitions. Word has length 90 [2022-09-16 10:38:13,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:13,162 INFO L495 AbstractCegarLoop]: Abstraction has 20230 states and 56755 transitions. [2022-09-16 10:38:13,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.285714285714286) internal successors, (90), 22 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call 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 L276 IsEmpty]: Start isEmpty. Operand 20230 states and 56755 transitions. [2022-09-16 10:38:13,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:38:13,167 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:13,168 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:13,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-09-16 10:38:13,168 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:13,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:13,168 INFO L85 PathProgramCache]: Analyzing trace with hash 252005251, now seen corresponding path program 7 times [2022-09-16 10:38:13,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:13,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678680809] [2022-09-16 10:38:13,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:13,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:13,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:13,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:13,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678680809] [2022-09-16 10:38:13,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678680809] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:13,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:13,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-09-16 10:38:13,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987542642] [2022-09-16 10:38:13,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:13,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-09-16 10:38:13,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:13,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-09-16 10:38:13,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-09-16 10:38:13,371 INFO L87 Difference]: Start difference. First operand 20230 states and 56755 transitions. Second operand has 16 states, 15 states have (on average 6.0) internal successors, (90), 16 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:15,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:15,095 INFO L93 Difference]: Finished difference Result 23235 states and 64762 transitions. [2022-09-16 10:38:15,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-09-16 10:38:15,095 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.0) internal successors, (90), 16 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-09-16 10:38:15,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:15,143 INFO L225 Difference]: With dead ends: 23235 [2022-09-16 10:38:15,144 INFO L226 Difference]: Without dead ends: 21455 [2022-09-16 10:38:15,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=702, Invalid=1554, Unknown=0, NotChecked=0, Total=2256 [2022-09-16 10:38:15,144 INFO L413 NwaCegarLoop]: 447 mSDtfsCounter, 1506 mSDsluCounter, 2348 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1506 SdHoareTripleChecker+Valid, 2767 SdHoareTripleChecker+Invalid, 900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:15,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1506 Valid, 2767 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:38:15,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21455 states. [2022-09-16 10:38:15,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21455 to 19662. [2022-09-16 10:38:15,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19662 states, 19644 states have (on average 2.8075748320097738) internal successors, (55152), 19661 states have internal predecessors, (55152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:15,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19662 states to 19662 states and 55152 transitions. [2022-09-16 10:38:15,488 INFO L78 Accepts]: Start accepts. Automaton has 19662 states and 55152 transitions. Word has length 90 [2022-09-16 10:38:15,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:15,489 INFO L495 AbstractCegarLoop]: Abstraction has 19662 states and 55152 transitions. [2022-09-16 10:38:15,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.0) internal successors, (90), 16 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:15,489 INFO L276 IsEmpty]: Start isEmpty. Operand 19662 states and 55152 transitions. [2022-09-16 10:38:15,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:38:15,495 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:15,495 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:15,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-09-16 10:38:15,495 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:15,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:15,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1590015348, now seen corresponding path program 2 times [2022-09-16 10:38:15,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:15,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593404373] [2022-09-16 10:38:15,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:15,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:15,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:15,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:15,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:15,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593404373] [2022-09-16 10:38:15,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593404373] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:15,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:15,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-09-16 10:38:15,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869095671] [2022-09-16 10:38:15,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:15,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-09-16 10:38:15,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:15,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-09-16 10:38:15,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-09-16 10:38:15,588 INFO L87 Difference]: Start difference. First operand 19662 states and 55152 transitions. Second operand has 9 states, 8 states have (on average 11.25) internal successors, (90), 9 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:16,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:16,271 INFO L93 Difference]: Finished difference Result 41171 states and 113975 transitions. [2022-09-16 10:38:16,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 10:38:16,272 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 9 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-09-16 10:38:16,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:16,360 INFO L225 Difference]: With dead ends: 41171 [2022-09-16 10:38:16,360 INFO L226 Difference]: Without dead ends: 39737 [2022-09-16 10:38:16,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2022-09-16 10:38:16,361 INFO L413 NwaCegarLoop]: 520 mSDtfsCounter, 621 mSDsluCounter, 2053 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 621 SdHoareTripleChecker+Valid, 2553 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:16,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [621 Valid, 2553 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:38:16,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39737 states. [2022-09-16 10:38:16,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39737 to 20607. [2022-09-16 10:38:16,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20607 states, 20589 states have (on average 2.8140269075720044) internal successors, (57938), 20606 states have internal predecessors, (57938), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:16,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20607 states to 20607 states and 57938 transitions. [2022-09-16 10:38:16,868 INFO L78 Accepts]: Start accepts. Automaton has 20607 states and 57938 transitions. Word has length 90 [2022-09-16 10:38:16,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:16,868 INFO L495 AbstractCegarLoop]: Abstraction has 20607 states and 57938 transitions. [2022-09-16 10:38:16,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 9 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:16,868 INFO L276 IsEmpty]: Start isEmpty. Operand 20607 states and 57938 transitions. [2022-09-16 10:38:16,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:38:16,873 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:16,874 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:16,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-09-16 10:38:16,874 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:16,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:16,874 INFO L85 PathProgramCache]: Analyzing trace with hash -593731, now seen corresponding path program 8 times [2022-09-16 10:38:16,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:16,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524944047] [2022-09-16 10:38:16,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:16,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:16,984 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 10:38:16,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:16,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524944047] [2022-09-16 10:38:16,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524944047] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:16,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:16,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-09-16 10:38:16,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081166912] [2022-09-16 10:38:16,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:16,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-09-16 10:38:16,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:16,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-09-16 10:38:16,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-09-16 10:38:16,986 INFO L87 Difference]: Start difference. First operand 20607 states and 57938 transitions. Second operand has 9 states, 8 states have (on average 11.25) internal successors, (90), 9 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:17,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:17,698 INFO L93 Difference]: Finished difference Result 42633 states and 117592 transitions. [2022-09-16 10:38:17,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:38:17,699 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 9 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-09-16 10:38:17,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:17,802 INFO L225 Difference]: With dead ends: 42633 [2022-09-16 10:38:17,802 INFO L226 Difference]: Without dead ends: 41593 [2022-09-16 10:38:17,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=137, Invalid=283, Unknown=0, NotChecked=0, Total=420 [2022-09-16 10:38:17,803 INFO L413 NwaCegarLoop]: 524 mSDtfsCounter, 631 mSDsluCounter, 2068 mSDsCounter, 0 mSdLazyCounter, 337 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 631 SdHoareTripleChecker+Valid, 2573 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 337 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:17,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [631 Valid, 2573 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 337 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:38:17,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41593 states. [2022-09-16 10:38:18,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41593 to 19873. [2022-09-16 10:38:18,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19873 states, 19855 states have (on average 2.8094686476957946) internal successors, (55782), 19872 states have internal predecessors, (55782), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:18,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19873 states to 19873 states and 55782 transitions. [2022-09-16 10:38:18,312 INFO L78 Accepts]: Start accepts. Automaton has 19873 states and 55782 transitions. Word has length 90 [2022-09-16 10:38:18,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:18,312 INFO L495 AbstractCegarLoop]: Abstraction has 19873 states and 55782 transitions. [2022-09-16 10:38:18,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 9 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:18,312 INFO L276 IsEmpty]: Start isEmpty. Operand 19873 states and 55782 transitions. [2022-09-16 10:38:18,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:38:18,316 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:18,316 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:18,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-09-16 10:38:18,317 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:18,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:18,317 INFO L85 PathProgramCache]: Analyzing trace with hash -2006716579, now seen corresponding path program 9 times [2022-09-16 10:38:18,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:18,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475774343] [2022-09-16 10:38:18,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:18,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:18,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:18,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:18,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475774343] [2022-09-16 10:38:18,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475774343] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:18,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:18,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-09-16 10:38:18,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442711193] [2022-09-16 10:38:18,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:18,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-09-16 10:38:18,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:18,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-09-16 10:38:18,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2022-09-16 10:38:18,780 INFO L87 Difference]: Start difference. First operand 19873 states and 55782 transitions. Second operand has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:20,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:20,778 INFO L93 Difference]: Finished difference Result 25709 states and 71391 transitions. [2022-09-16 10:38:20,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-09-16 10:38:20,779 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-09-16 10:38:20,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:20,828 INFO L225 Difference]: With dead ends: 25709 [2022-09-16 10:38:20,828 INFO L226 Difference]: Without dead ends: 24364 [2022-09-16 10:38:20,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 658 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=612, Invalid=2468, Unknown=0, NotChecked=0, Total=3080 [2022-09-16 10:38:20,829 INFO L413 NwaCegarLoop]: 362 mSDtfsCounter, 1703 mSDsluCounter, 3890 mSDsCounter, 0 mSdLazyCounter, 1523 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1703 SdHoareTripleChecker+Valid, 4194 SdHoareTripleChecker+Invalid, 1631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:20,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1703 Valid, 4194 Invalid, 1631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 1523 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:38:20,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24364 states. [2022-09-16 10:38:21,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24364 to 19918. [2022-09-16 10:38:21,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19918 states, 19900 states have (on average 2.8085929648241206) internal successors, (55891), 19917 states have internal predecessors, (55891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:21,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19918 states to 19918 states and 55891 transitions. [2022-09-16 10:38:21,181 INFO L78 Accepts]: Start accepts. Automaton has 19918 states and 55891 transitions. Word has length 90 [2022-09-16 10:38:21,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:21,181 INFO L495 AbstractCegarLoop]: Abstraction has 19918 states and 55891 transitions. [2022-09-16 10:38:21,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:21,182 INFO L276 IsEmpty]: Start isEmpty. Operand 19918 states and 55891 transitions. [2022-09-16 10:38:21,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:38:21,188 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:21,188 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:21,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-09-16 10:38:21,188 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:21,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:21,188 INFO L85 PathProgramCache]: Analyzing trace with hash 540769357, now seen corresponding path program 10 times [2022-09-16 10:38:21,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:21,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002842113] [2022-09-16 10:38:21,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:21,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:21,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:21,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:21,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002842113] [2022-09-16 10:38:21,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002842113] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:21,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:21,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-09-16 10:38:21,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620788234] [2022-09-16 10:38:21,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:21,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:38:21,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:21,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:38:21,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:38:21,569 INFO L87 Difference]: Start difference. First operand 19918 states and 55891 transitions. Second operand has 22 states, 21 states have (on average 4.285714285714286) internal successors, (90), 22 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:23,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:23,454 INFO L93 Difference]: Finished difference Result 25724 states and 71427 transitions. [2022-09-16 10:38:23,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:38:23,455 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.285714285714286) internal successors, (90), 22 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-09-16 10:38:23,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:23,502 INFO L225 Difference]: With dead ends: 25724 [2022-09-16 10:38:23,502 INFO L226 Difference]: Without dead ends: 24504 [2022-09-16 10:38:23,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 464 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=534, Invalid=1916, Unknown=0, NotChecked=0, Total=2450 [2022-09-16 10:38:23,503 INFO L413 NwaCegarLoop]: 342 mSDtfsCounter, 1745 mSDsluCounter, 3784 mSDsCounter, 0 mSdLazyCounter, 1528 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1745 SdHoareTripleChecker+Valid, 4081 SdHoareTripleChecker+Invalid, 1628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:23,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1745 Valid, 4081 Invalid, 1628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1528 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:38:23,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24504 states. [2022-09-16 10:38:23,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24504 to 19707. [2022-09-16 10:38:23,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19707 states, 19689 states have (on average 2.8079638376758598) internal successors, (55286), 19706 states have internal predecessors, (55286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:23,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19707 states to 19707 states and 55286 transitions. [2022-09-16 10:38:23,874 INFO L78 Accepts]: Start accepts. Automaton has 19707 states and 55286 transitions. Word has length 90 [2022-09-16 10:38:23,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:23,874 INFO L495 AbstractCegarLoop]: Abstraction has 19707 states and 55286 transitions. [2022-09-16 10:38:23,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.285714285714286) internal successors, (90), 22 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:23,874 INFO L276 IsEmpty]: Start isEmpty. Operand 19707 states and 55286 transitions. [2022-09-16 10:38:23,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:38:23,879 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:23,879 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, 1, 1, 1, 1] [2022-09-16 10:38:23,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-09-16 10:38:23,879 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:23,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:23,879 INFO L85 PathProgramCache]: Analyzing trace with hash -826398930, now seen corresponding path program 3 times [2022-09-16 10:38:23,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:23,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311190501] [2022-09-16 10:38:23,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:23,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:23,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:23,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:23,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311190501] [2022-09-16 10:38:23,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311190501] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:23,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:23,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-09-16 10:38:23,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345780393] [2022-09-16 10:38:23,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:24,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-09-16 10:38:24,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:24,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-09-16 10:38:24,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-09-16 10:38:24,000 INFO L87 Difference]: Start difference. First operand 19707 states and 55286 transitions. Second operand has 9 states, 8 states have (on average 11.25) internal successors, (90), 9 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:24,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:24,608 INFO L93 Difference]: Finished difference Result 35022 states and 96749 transitions. [2022-09-16 10:38:24,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 10:38:24,609 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 9 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-09-16 10:38:24,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:24,693 INFO L225 Difference]: With dead ends: 35022 [2022-09-16 10:38:24,693 INFO L226 Difference]: Without dead ends: 33588 [2022-09-16 10:38:24,694 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2022-09-16 10:38:24,694 INFO L413 NwaCegarLoop]: 519 mSDtfsCounter, 612 mSDsluCounter, 2010 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 612 SdHoareTripleChecker+Valid, 2509 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:24,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [612 Valid, 2509 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:38:24,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33588 states. [2022-09-16 10:38:25,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33588 to 20749. [2022-09-16 10:38:25,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20749 states, 20731 states have (on average 2.815686652838744) internal successors, (58372), 20748 states have internal predecessors, (58372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:25,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20749 states to 20749 states and 58372 transitions. [2022-09-16 10:38:25,208 INFO L78 Accepts]: Start accepts. Automaton has 20749 states and 58372 transitions. Word has length 90 [2022-09-16 10:38:25,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:25,209 INFO L495 AbstractCegarLoop]: Abstraction has 20749 states and 58372 transitions. [2022-09-16 10:38:25,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 9 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:25,209 INFO L276 IsEmpty]: Start isEmpty. Operand 20749 states and 58372 transitions. [2022-09-16 10:38:25,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:38:25,215 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:25,215 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:25,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-09-16 10:38:25,215 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:25,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:25,216 INFO L85 PathProgramCache]: Analyzing trace with hash 763022687, now seen corresponding path program 11 times [2022-09-16 10:38:25,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:25,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490948944] [2022-09-16 10:38:25,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:25,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:25,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:25,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:25,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490948944] [2022-09-16 10:38:25,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490948944] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:25,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:25,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-09-16 10:38:25,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777629288] [2022-09-16 10:38:25,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:25,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-09-16 10:38:25,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:25,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-09-16 10:38:25,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-09-16 10:38:25,324 INFO L87 Difference]: Start difference. First operand 20749 states and 58372 transitions. Second operand has 9 states, 8 states have (on average 11.25) internal successors, (90), 9 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:25,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:25,810 INFO L93 Difference]: Finished difference Result 33158 states and 91610 transitions. [2022-09-16 10:38:25,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 10:38:25,810 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 9 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-09-16 10:38:25,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:25,872 INFO L225 Difference]: With dead ends: 33158 [2022-09-16 10:38:25,872 INFO L226 Difference]: Without dead ends: 32118 [2022-09-16 10:38:25,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2022-09-16 10:38:25,873 INFO L413 NwaCegarLoop]: 520 mSDtfsCounter, 612 mSDsluCounter, 1999 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 612 SdHoareTripleChecker+Valid, 2501 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:25,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [612 Valid, 2501 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:38:25,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32118 states. [2022-09-16 10:38:26,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32118 to 20029. [2022-09-16 10:38:26,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20029 states, 20011 states have (on average 2.8112538104042777) internal successors, (56256), 20028 states have internal predecessors, (56256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:26,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20029 states to 20029 states and 56256 transitions. [2022-09-16 10:38:26,298 INFO L78 Accepts]: Start accepts. Automaton has 20029 states and 56256 transitions. Word has length 90 [2022-09-16 10:38:26,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:26,298 INFO L495 AbstractCegarLoop]: Abstraction has 20029 states and 56256 transitions. [2022-09-16 10:38:26,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 9 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:26,298 INFO L276 IsEmpty]: Start isEmpty. Operand 20029 states and 56256 transitions. [2022-09-16 10:38:26,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:38:26,302 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:26,302 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:26,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-09-16 10:38:26,302 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:26,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:26,303 INFO L85 PathProgramCache]: Analyzing trace with hash 310094124, now seen corresponding path program 4 times [2022-09-16 10:38:26,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:26,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562663445] [2022-09-16 10:38:26,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:26,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:26,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:26,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:26,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562663445] [2022-09-16 10:38:26,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562663445] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:26,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:26,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-09-16 10:38:26,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455943428] [2022-09-16 10:38:26,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:26,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-09-16 10:38:26,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:26,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-09-16 10:38:26,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2022-09-16 10:38:26,728 INFO L87 Difference]: Start difference. First operand 20029 states and 56256 transitions. Second operand has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:28,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:28,573 INFO L93 Difference]: Finished difference Result 24220 states and 67265 transitions. [2022-09-16 10:38:28,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-09-16 10:38:28,573 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-09-16 10:38:28,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:28,617 INFO L225 Difference]: With dead ends: 24220 [2022-09-16 10:38:28,618 INFO L226 Difference]: Without dead ends: 22710 [2022-09-16 10:38:28,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 658 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=612, Invalid=2468, Unknown=0, NotChecked=0, Total=3080 [2022-09-16 10:38:28,618 INFO L413 NwaCegarLoop]: 356 mSDtfsCounter, 1391 mSDsluCounter, 3901 mSDsCounter, 0 mSdLazyCounter, 1446 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1391 SdHoareTripleChecker+Valid, 4228 SdHoareTripleChecker+Invalid, 1542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 1446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:28,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1391 Valid, 4228 Invalid, 1542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 1446 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:38:28,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22710 states. [2022-09-16 10:38:29,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22710 to 20399. [2022-09-16 10:38:29,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20399 states, 20381 states have (on average 2.806682694666601) internal successors, (57203), 20398 states have internal predecessors, (57203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:29,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20399 states to 20399 states and 57203 transitions. [2022-09-16 10:38:29,128 INFO L78 Accepts]: Start accepts. Automaton has 20399 states and 57203 transitions. Word has length 90 [2022-09-16 10:38:29,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:29,128 INFO L495 AbstractCegarLoop]: Abstraction has 20399 states and 57203 transitions. [2022-09-16 10:38:29,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:29,128 INFO L276 IsEmpty]: Start isEmpty. Operand 20399 states and 57203 transitions. [2022-09-16 10:38:29,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:38:29,132 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:29,132 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:29,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-09-16 10:38:29,133 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:29,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:29,133 INFO L85 PathProgramCache]: Analyzing trace with hash -453042400, now seen corresponding path program 5 times [2022-09-16 10:38:29,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:29,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473289507] [2022-09-16 10:38:29,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:29,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:29,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:29,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:29,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473289507] [2022-09-16 10:38:29,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473289507] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:29,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:29,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-09-16 10:38:29,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676574590] [2022-09-16 10:38:29,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:29,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-09-16 10:38:29,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:29,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-09-16 10:38:29,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2022-09-16 10:38:29,559 INFO L87 Difference]: Start difference. First operand 20399 states and 57203 transitions. Second operand has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:31,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:31,404 INFO L93 Difference]: Finished difference Result 23903 states and 66238 transitions. [2022-09-16 10:38:31,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-09-16 10:38:31,404 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-09-16 10:38:31,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:31,446 INFO L225 Difference]: With dead ends: 23903 [2022-09-16 10:38:31,446 INFO L226 Difference]: Without dead ends: 22504 [2022-09-16 10:38:31,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 622 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=600, Invalid=2370, Unknown=0, NotChecked=0, Total=2970 [2022-09-16 10:38:31,447 INFO L413 NwaCegarLoop]: 337 mSDtfsCounter, 2049 mSDsluCounter, 3429 mSDsCounter, 0 mSdLazyCounter, 1357 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2049 SdHoareTripleChecker+Valid, 3742 SdHoareTripleChecker+Invalid, 1490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 1357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:31,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2049 Valid, 3742 Invalid, 1490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 1357 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:38:31,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22504 states. [2022-09-16 10:38:31,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22504 to 20430. [2022-09-16 10:38:31,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20430 states, 20412 states have (on average 2.807074270037233) internal successors, (57298), 20429 states have internal predecessors, (57298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:31,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20430 states to 20430 states and 57298 transitions. [2022-09-16 10:38:31,803 INFO L78 Accepts]: Start accepts. Automaton has 20430 states and 57298 transitions. Word has length 90 [2022-09-16 10:38:31,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:31,803 INFO L495 AbstractCegarLoop]: Abstraction has 20430 states and 57298 transitions. [2022-09-16 10:38:31,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:31,803 INFO L276 IsEmpty]: Start isEmpty. Operand 20430 states and 57298 transitions. [2022-09-16 10:38:31,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:38:31,807 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:31,808 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:31,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-09-16 10:38:31,808 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:31,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:31,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1939259114, now seen corresponding path program 6 times [2022-09-16 10:38:31,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:31,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868238818] [2022-09-16 10:38:31,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:31,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:31,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:32,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:32,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:32,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868238818] [2022-09-16 10:38:32,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868238818] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:32,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:32,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-09-16 10:38:32,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548799191] [2022-09-16 10:38:32,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:32,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:38:32,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:32,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:38:32,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:38:32,173 INFO L87 Difference]: Start difference. First operand 20430 states and 57298 transitions. Second operand has 22 states, 21 states have (on average 4.285714285714286) internal successors, (90), 22 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:33,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:33,926 INFO L93 Difference]: Finished difference Result 23918 states and 66576 transitions. [2022-09-16 10:38:33,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-09-16 10:38:33,927 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.285714285714286) internal successors, (90), 22 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-09-16 10:38:33,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:33,969 INFO L225 Difference]: With dead ends: 23918 [2022-09-16 10:38:33,970 INFO L226 Difference]: Without dead ends: 22484 [2022-09-16 10:38:33,970 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=517, Invalid=1835, Unknown=0, NotChecked=0, Total=2352 [2022-09-16 10:38:33,970 INFO L413 NwaCegarLoop]: 336 mSDtfsCounter, 1756 mSDsluCounter, 3233 mSDsCounter, 0 mSdLazyCounter, 1301 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1756 SdHoareTripleChecker+Valid, 3549 SdHoareTripleChecker+Invalid, 1415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 1301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:33,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1756 Valid, 3549 Invalid, 1415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 1301 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:38:34,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22484 states. [2022-09-16 10:38:34,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22484 to 20838. [2022-09-16 10:38:34,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20838 states, 20820 states have (on average 2.80835734870317) internal successors, (58470), 20837 states have internal predecessors, (58470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:34,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20838 states to 20838 states and 58470 transitions. [2022-09-16 10:38:34,468 INFO L78 Accepts]: Start accepts. Automaton has 20838 states and 58470 transitions. Word has length 90 [2022-09-16 10:38:34,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:34,468 INFO L495 AbstractCegarLoop]: Abstraction has 20838 states and 58470 transitions. [2022-09-16 10:38:34,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.285714285714286) internal successors, (90), 22 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:34,468 INFO L276 IsEmpty]: Start isEmpty. Operand 20838 states and 58470 transitions. [2022-09-16 10:38:34,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:38:34,473 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:34,473 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:34,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-09-16 10:38:34,474 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:34,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:34,474 INFO L85 PathProgramCache]: Analyzing trace with hash -766286565, now seen corresponding path program 12 times [2022-09-16 10:38:34,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:34,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893428509] [2022-09-16 10:38:34,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:34,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:34,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:34,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:34,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893428509] [2022-09-16 10:38:34,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893428509] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:34,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:34,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-09-16 10:38:34,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701518282] [2022-09-16 10:38:34,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:34,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-09-16 10:38:34,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:34,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-09-16 10:38:34,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-09-16 10:38:34,597 INFO L87 Difference]: Start difference. First operand 20838 states and 58470 transitions. Second operand has 9 states, 8 states have (on average 11.25) internal successors, (90), 9 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:35,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:35,108 INFO L93 Difference]: Finished difference Result 36082 states and 99610 transitions. [2022-09-16 10:38:35,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-09-16 10:38:35,108 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 9 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-09-16 10:38:35,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:35,179 INFO L225 Difference]: With dead ends: 36082 [2022-09-16 10:38:35,179 INFO L226 Difference]: Without dead ends: 35042 [2022-09-16 10:38:35,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=254, Unknown=0, NotChecked=0, Total=380 [2022-09-16 10:38:35,180 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 591 mSDsluCounter, 2052 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 2546 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:35,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [591 Valid, 2546 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:38:35,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35042 states. [2022-09-16 10:38:35,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35042 to 21090. [2022-09-16 10:38:35,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21090 states, 21072 states have (on average 2.8108390280941533) internal successors, (59230), 21089 states have internal predecessors, (59230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:35,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21090 states to 21090 states and 59230 transitions. [2022-09-16 10:38:35,652 INFO L78 Accepts]: Start accepts. Automaton has 21090 states and 59230 transitions. Word has length 90 [2022-09-16 10:38:35,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:35,652 INFO L495 AbstractCegarLoop]: Abstraction has 21090 states and 59230 transitions. [2022-09-16 10:38:35,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 9 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:35,653 INFO L276 IsEmpty]: Start isEmpty. Operand 21090 states and 59230 transitions. [2022-09-16 10:38:35,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:38:35,658 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:35,658 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:35,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-09-16 10:38:35,658 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:35,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:35,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1522557883, now seen corresponding path program 13 times [2022-09-16 10:38:35,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:35,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147388443] [2022-09-16 10:38:35,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:35,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:36,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:36,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:36,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147388443] [2022-09-16 10:38:36,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147388443] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:36,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:36,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-09-16 10:38:36,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752957368] [2022-09-16 10:38:36,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:36,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-09-16 10:38:36,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:36,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-09-16 10:38:36,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-09-16 10:38:36,089 INFO L87 Difference]: Start difference. First operand 21090 states and 59230 transitions. Second operand has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:37,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:37,960 INFO L93 Difference]: Finished difference Result 25663 states and 71124 transitions. [2022-09-16 10:38:37,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-09-16 10:38:37,960 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-09-16 10:38:37,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:38,006 INFO L225 Difference]: With dead ends: 25663 [2022-09-16 10:38:38,006 INFO L226 Difference]: Without dead ends: 24318 [2022-09-16 10:38:38,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 657 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=614, Invalid=2466, Unknown=0, NotChecked=0, Total=3080 [2022-09-16 10:38:38,007 INFO L413 NwaCegarLoop]: 359 mSDtfsCounter, 1646 mSDsluCounter, 3632 mSDsCounter, 0 mSdLazyCounter, 1429 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1646 SdHoareTripleChecker+Valid, 3938 SdHoareTripleChecker+Invalid, 1534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 1429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:38,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1646 Valid, 3938 Invalid, 1534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 1429 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:38:38,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24318 states. [2022-09-16 10:38:38,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24318 to 20994. [2022-09-16 10:38:38,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20994 states, 20976 states have (on average 2.809687261632342) internal successors, (58936), 20993 states have internal predecessors, (58936), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:38,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20994 states to 20994 states and 58936 transitions. [2022-09-16 10:38:38,497 INFO L78 Accepts]: Start accepts. Automaton has 20994 states and 58936 transitions. Word has length 90 [2022-09-16 10:38:38,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:38,498 INFO L495 AbstractCegarLoop]: Abstraction has 20994 states and 58936 transitions. [2022-09-16 10:38:38,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:38,498 INFO L276 IsEmpty]: Start isEmpty. Operand 20994 states and 58936 transitions. [2022-09-16 10:38:38,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:38:38,503 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:38,503 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, 1, 1, 1, 1] [2022-09-16 10:38:38,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-09-16 10:38:38,503 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:38,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:38,503 INFO L85 PathProgramCache]: Analyzing trace with hash -224923477, now seen corresponding path program 14 times [2022-09-16 10:38:38,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:38,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560301988] [2022-09-16 10:38:38,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:38,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:38,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:38,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:38,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560301988] [2022-09-16 10:38:38,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560301988] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:38,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:38,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-09-16 10:38:38,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881501780] [2022-09-16 10:38:38,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:38,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:38:38,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:38,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:38:38,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:38:38,908 INFO L87 Difference]: Start difference. First operand 20994 states and 58936 transitions. Second operand has 22 states, 21 states have (on average 4.285714285714286) internal successors, (90), 22 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:40,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:40,717 INFO L93 Difference]: Finished difference Result 25909 states and 71796 transitions. [2022-09-16 10:38:40,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:38:40,717 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.285714285714286) internal successors, (90), 22 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-09-16 10:38:40,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:40,769 INFO L225 Difference]: With dead ends: 25909 [2022-09-16 10:38:40,769 INFO L226 Difference]: Without dead ends: 24689 [2022-09-16 10:38:40,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 463 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=536, Invalid=1914, Unknown=0, NotChecked=0, Total=2450 [2022-09-16 10:38:40,770 INFO L413 NwaCegarLoop]: 339 mSDtfsCounter, 1817 mSDsluCounter, 3227 mSDsCounter, 0 mSdLazyCounter, 1326 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1817 SdHoareTripleChecker+Valid, 3529 SdHoareTripleChecker+Invalid, 1431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 1326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:40,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1817 Valid, 3529 Invalid, 1431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 1326 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:38:40,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24689 states. [2022-09-16 10:38:41,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24689 to 20831. [2022-09-16 10:38:41,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20831 states, 20813 states have (on average 2.8097343006774613) internal successors, (58479), 20830 states have internal predecessors, (58479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:41,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20831 states to 20831 states and 58479 transitions. [2022-09-16 10:38:41,153 INFO L78 Accepts]: Start accepts. Automaton has 20831 states and 58479 transitions. Word has length 90 [2022-09-16 10:38:41,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:41,153 INFO L495 AbstractCegarLoop]: Abstraction has 20831 states and 58479 transitions. [2022-09-16 10:38:41,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.285714285714286) internal successors, (90), 22 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:41,153 INFO L276 IsEmpty]: Start isEmpty. Operand 20831 states and 58479 transitions. [2022-09-16 10:38:41,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:38:41,158 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:41,158 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:41,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-09-16 10:38:41,159 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:41,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:41,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1592091764, now seen corresponding path program 7 times [2022-09-16 10:38:41,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:41,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553412580] [2022-09-16 10:38:41,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:41,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:41,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:41,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:41,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:41,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553412580] [2022-09-16 10:38:41,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553412580] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:41,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:41,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-09-16 10:38:41,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039129261] [2022-09-16 10:38:41,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:41,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:38:41,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:41,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:38:41,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:38:41,614 INFO L87 Difference]: Start difference. First operand 20831 states and 58479 transitions. Second operand has 22 states, 21 states have (on average 4.285714285714286) internal successors, (90), 22 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:43,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:43,309 INFO L93 Difference]: Finished difference Result 24821 states and 69170 transitions. [2022-09-16 10:38:43,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-09-16 10:38:43,311 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.285714285714286) internal successors, (90), 22 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-09-16 10:38:43,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:43,353 INFO L225 Difference]: With dead ends: 24821 [2022-09-16 10:38:43,353 INFO L226 Difference]: Without dead ends: 23387 [2022-09-16 10:38:43,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=517, Invalid=1835, Unknown=0, NotChecked=0, Total=2352 [2022-09-16 10:38:43,354 INFO L413 NwaCegarLoop]: 338 mSDtfsCounter, 1835 mSDsluCounter, 2498 mSDsCounter, 0 mSdLazyCounter, 1079 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1835 SdHoareTripleChecker+Valid, 2821 SdHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 1079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:43,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1835 Valid, 2821 Invalid, 1200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 1079 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:38:43,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23387 states. [2022-09-16 10:38:43,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23387 to 21211. [2022-09-16 10:38:43,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21211 states, 21193 states have (on average 2.811824659085547) internal successors, (59591), 21210 states have internal predecessors, (59591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:43,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21211 states to 21211 states and 59591 transitions. [2022-09-16 10:38:43,854 INFO L78 Accepts]: Start accepts. Automaton has 21211 states and 59591 transitions. Word has length 90 [2022-09-16 10:38:43,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:43,854 INFO L495 AbstractCegarLoop]: Abstraction has 21211 states and 59591 transitions. [2022-09-16 10:38:43,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.285714285714286) internal successors, (90), 22 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:43,855 INFO L276 IsEmpty]: Start isEmpty. Operand 21211 states and 59591 transitions. [2022-09-16 10:38:43,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:38:43,860 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:43,860 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:43,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-09-16 10:38:43,860 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:43,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:43,861 INFO L85 PathProgramCache]: Analyzing trace with hash -2670147, now seen corresponding path program 15 times [2022-09-16 10:38:43,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:43,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881091639] [2022-09-16 10:38:43,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:43,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:44,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:44,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:44,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881091639] [2022-09-16 10:38:44,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881091639] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:44,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:44,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-09-16 10:38:44,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104027602] [2022-09-16 10:38:44,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:44,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:38:44,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:44,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:38:44,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:38:44,296 INFO L87 Difference]: Start difference. First operand 21211 states and 59591 transitions. Second operand has 22 states, 21 states have (on average 4.285714285714286) internal successors, (90), 22 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:46,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:46,145 INFO L93 Difference]: Finished difference Result 24751 states and 68938 transitions. [2022-09-16 10:38:46,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-09-16 10:38:46,146 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.285714285714286) internal successors, (90), 22 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-09-16 10:38:46,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:46,192 INFO L225 Difference]: With dead ends: 24751 [2022-09-16 10:38:46,193 INFO L226 Difference]: Without dead ends: 23531 [2022-09-16 10:38:46,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 446 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=517, Invalid=1835, Unknown=0, NotChecked=0, Total=2352 [2022-09-16 10:38:46,193 INFO L413 NwaCegarLoop]: 340 mSDtfsCounter, 1447 mSDsluCounter, 3013 mSDsCounter, 0 mSdLazyCounter, 1279 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1447 SdHoareTripleChecker+Valid, 3316 SdHoareTripleChecker+Invalid, 1383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 1279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:46,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1447 Valid, 3316 Invalid, 1383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 1279 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:38:46,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23531 states. [2022-09-16 10:38:46,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23531 to 21203. [2022-09-16 10:38:46,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21203 states, 21185 states have (on average 2.81307528911966) internal successors, (59595), 21202 states have internal predecessors, (59595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:46,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21203 states to 21203 states and 59595 transitions. [2022-09-16 10:38:46,562 INFO L78 Accepts]: Start accepts. Automaton has 21203 states and 59595 transitions. Word has length 90 [2022-09-16 10:38:46,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:46,562 INFO L495 AbstractCegarLoop]: Abstraction has 21203 states and 59595 transitions. [2022-09-16 10:38:46,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.285714285714286) internal successors, (90), 22 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:46,563 INFO L276 IsEmpty]: Start isEmpty. Operand 21203 states and 59595 transitions. [2022-09-16 10:38:46,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:38:46,568 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:46,568 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:46,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-09-16 10:38:46,568 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:46,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:46,569 INFO L85 PathProgramCache]: Analyzing trace with hash -455598710, now seen corresponding path program 8 times [2022-09-16 10:38:46,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:46,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171152293] [2022-09-16 10:38:46,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:46,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:47,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:47,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:47,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171152293] [2022-09-16 10:38:47,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171152293] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:47,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:47,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-09-16 10:38:47,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863596398] [2022-09-16 10:38:47,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:47,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-09-16 10:38:47,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:47,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-09-16 10:38:47,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-09-16 10:38:47,048 INFO L87 Difference]: Start difference. First operand 21203 states and 59595 transitions. Second operand has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:48,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:48,859 INFO L93 Difference]: Finished difference Result 26473 states and 73569 transitions. [2022-09-16 10:38:48,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-09-16 10:38:48,860 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-09-16 10:38:48,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:48,915 INFO L225 Difference]: With dead ends: 26473 [2022-09-16 10:38:48,915 INFO L226 Difference]: Without dead ends: 24963 [2022-09-16 10:38:48,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 657 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=614, Invalid=2466, Unknown=0, NotChecked=0, Total=3080 [2022-09-16 10:38:48,916 INFO L413 NwaCegarLoop]: 357 mSDtfsCounter, 1789 mSDsluCounter, 3051 mSDsCounter, 0 mSdLazyCounter, 1181 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1789 SdHoareTripleChecker+Valid, 3388 SdHoareTripleChecker+Invalid, 1291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 1181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:48,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1789 Valid, 3388 Invalid, 1291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 1181 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:38:48,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24963 states. [2022-09-16 10:38:49,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24963 to 21338. [2022-09-16 10:38:49,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21338 states, 21320 states have (on average 2.8126172607879925) internal successors, (59965), 21337 states have internal predecessors, (59965), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:49,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21338 states to 21338 states and 59965 transitions. [2022-09-16 10:38:49,410 INFO L78 Accepts]: Start accepts. Automaton has 21338 states and 59965 transitions. Word has length 90 [2022-09-16 10:38:49,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:49,410 INFO L495 AbstractCegarLoop]: Abstraction has 21338 states and 59965 transitions. [2022-09-16 10:38:49,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:49,410 INFO L276 IsEmpty]: Start isEmpty. Operand 21338 states and 59965 transitions. [2022-09-16 10:38:49,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:38:49,416 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:49,416 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:49,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-09-16 10:38:49,416 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:49,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:49,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1218735234, now seen corresponding path program 9 times [2022-09-16 10:38:49,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:49,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152942083] [2022-09-16 10:38:49,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:49,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:49,829 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 10:38:49,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:49,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152942083] [2022-09-16 10:38:49,829 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152942083] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:49,830 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:49,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-09-16 10:38:49,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027664000] [2022-09-16 10:38:49,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:49,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-09-16 10:38:49,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:49,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-09-16 10:38:49,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2022-09-16 10:38:49,830 INFO L87 Difference]: Start difference. First operand 21338 states and 59965 transitions. Second operand has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:51,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:51,655 INFO L93 Difference]: Finished difference Result 25336 states and 70499 transitions. [2022-09-16 10:38:51,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-09-16 10:38:51,656 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-09-16 10:38:51,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:51,695 INFO L225 Difference]: With dead ends: 25336 [2022-09-16 10:38:51,696 INFO L226 Difference]: Without dead ends: 23881 [2022-09-16 10:38:51,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 621 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=602, Invalid=2368, Unknown=0, NotChecked=0, Total=2970 [2022-09-16 10:38:51,696 INFO L413 NwaCegarLoop]: 336 mSDtfsCounter, 1668 mSDsluCounter, 3268 mSDsCounter, 0 mSdLazyCounter, 1302 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1668 SdHoareTripleChecker+Valid, 3583 SdHoareTripleChecker+Invalid, 1406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 1302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:51,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1668 Valid, 3583 Invalid, 1406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 1302 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:38:51,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23881 states. [2022-09-16 10:38:51,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23881 to 21194. [2022-09-16 10:38:52,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21194 states, 21176 states have (on average 2.813231960710238) internal successors, (59573), 21193 states have internal predecessors, (59573), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:52,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21194 states to 21194 states and 59573 transitions. [2022-09-16 10:38:52,064 INFO L78 Accepts]: Start accepts. Automaton has 21194 states and 59573 transitions. Word has length 90 [2022-09-16 10:38:52,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:52,064 INFO L495 AbstractCegarLoop]: Abstraction has 21194 states and 59573 transitions. [2022-09-16 10:38:52,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:52,064 INFO L276 IsEmpty]: Start isEmpty. Operand 21194 states and 59573 transitions. [2022-09-16 10:38:52,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:38:52,069 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:52,069 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:52,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-09-16 10:38:52,069 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:52,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:52,070 INFO L85 PathProgramCache]: Analyzing trace with hash 737066152, now seen corresponding path program 10 times [2022-09-16 10:38:52,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:52,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400558824] [2022-09-16 10:38:52,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:52,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:52,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:52,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:52,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400558824] [2022-09-16 10:38:52,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400558824] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:52,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:52,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-09-16 10:38:52,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309359401] [2022-09-16 10:38:52,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:52,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-09-16 10:38:52,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:52,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-09-16 10:38:52,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-09-16 10:38:52,169 INFO L87 Difference]: Start difference. First operand 21194 states and 59573 transitions. Second operand has 9 states, 8 states have (on average 11.25) internal successors, (90), 9 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:52,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:52,679 INFO L93 Difference]: Finished difference Result 29906 states and 83308 transitions. [2022-09-16 10:38:52,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-09-16 10:38:52,680 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 9 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-09-16 10:38:52,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:52,741 INFO L225 Difference]: With dead ends: 29906 [2022-09-16 10:38:52,741 INFO L226 Difference]: Without dead ends: 28472 [2022-09-16 10:38:52,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2022-09-16 10:38:52,741 INFO L413 NwaCegarLoop]: 513 mSDtfsCounter, 570 mSDsluCounter, 1963 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 570 SdHoareTripleChecker+Valid, 2454 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:52,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [570 Valid, 2454 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:38:52,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28472 states. [2022-09-16 10:38:53,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28472 to 21354. [2022-09-16 10:38:53,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21354 states, 21336 states have (on average 2.8138826396700414) internal successors, (60037), 21353 states have internal predecessors, (60037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:53,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21354 states to 21354 states and 60037 transitions. [2022-09-16 10:38:53,157 INFO L78 Accepts]: Start accepts. Automaton has 21354 states and 60037 transitions. Word has length 90 [2022-09-16 10:38:53,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:53,157 INFO L495 AbstractCegarLoop]: Abstraction has 21354 states and 60037 transitions. [2022-09-16 10:38:53,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 9 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:53,158 INFO L276 IsEmpty]: Start isEmpty. Operand 21354 states and 60037 transitions. [2022-09-16 10:38:53,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:38:53,163 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:53,163 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, 1, 1, 1, 1] [2022-09-16 10:38:53,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-09-16 10:38:53,163 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:53,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:53,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1968479527, now seen corresponding path program 16 times [2022-09-16 10:38:53,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:53,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262903323] [2022-09-16 10:38:53,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:53,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:53,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:53,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:53,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262903323] [2022-09-16 10:38:53,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262903323] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:53,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:53,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-09-16 10:38:53,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122456302] [2022-09-16 10:38:53,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:53,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-09-16 10:38:53,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:53,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-09-16 10:38:53,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-09-16 10:38:53,270 INFO L87 Difference]: Start difference. First operand 21354 states and 60037 transitions. Second operand has 9 states, 8 states have (on average 11.25) internal successors, (90), 9 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:53,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:53,947 INFO L93 Difference]: Finished difference Result 28042 states and 78169 transitions. [2022-09-16 10:38:53,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-09-16 10:38:53,948 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 9 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-09-16 10:38:53,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:53,997 INFO L225 Difference]: With dead ends: 28042 [2022-09-16 10:38:53,998 INFO L226 Difference]: Without dead ends: 27002 [2022-09-16 10:38:53,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2022-09-16 10:38:53,998 INFO L413 NwaCegarLoop]: 514 mSDtfsCounter, 567 mSDsluCounter, 1962 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 2454 SdHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:53,998 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 2454 Invalid, 328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:38:54,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27002 states. [2022-09-16 10:38:54,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27002 to 19314. [2022-09-16 10:38:54,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19314 states, 19296 states have (on average 2.812396351575456) internal successors, (54268), 19313 states have internal predecessors, (54268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:54,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19314 states to 19314 states and 54268 transitions. [2022-09-16 10:38:54,376 INFO L78 Accepts]: Start accepts. Automaton has 19314 states and 54268 transitions. Word has length 90 [2022-09-16 10:38:54,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:54,376 INFO L495 AbstractCegarLoop]: Abstraction has 19314 states and 54268 transitions. [2022-09-16 10:38:54,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 9 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:54,377 INFO L276 IsEmpty]: Start isEmpty. Operand 19314 states and 54268 transitions. [2022-09-16 10:38:54,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:38:54,381 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:54,381 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:54,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-09-16 10:38:54,381 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:54,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:54,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1873559206, now seen corresponding path program 11 times [2022-09-16 10:38:54,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:54,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39356255] [2022-09-16 10:38:54,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:54,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:54,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:54,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:54,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:54,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39356255] [2022-09-16 10:38:54,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39356255] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:54,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:54,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-09-16 10:38:54,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919891467] [2022-09-16 10:38:54,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:54,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-09-16 10:38:54,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:54,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-09-16 10:38:54,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2022-09-16 10:38:54,814 INFO L87 Difference]: Start difference. First operand 19314 states and 54268 transitions. Second operand has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:56,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:56,715 INFO L93 Difference]: Finished difference Result 24273 states and 67385 transitions. [2022-09-16 10:38:56,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-09-16 10:38:56,716 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-09-16 10:38:56,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:56,760 INFO L225 Difference]: With dead ends: 24273 [2022-09-16 10:38:56,760 INFO L226 Difference]: Without dead ends: 22763 [2022-09-16 10:38:56,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 716 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=637, Invalid=2555, Unknown=0, NotChecked=0, Total=3192 [2022-09-16 10:38:56,761 INFO L413 NwaCegarLoop]: 355 mSDtfsCounter, 1820 mSDsluCounter, 3595 mSDsCounter, 0 mSdLazyCounter, 1354 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1820 SdHoareTripleChecker+Valid, 3926 SdHoareTripleChecker+Invalid, 1474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 1354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:56,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1820 Valid, 3926 Invalid, 1474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 1354 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:38:56,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22763 states. [2022-09-16 10:38:57,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22763 to 19449. [2022-09-16 10:38:57,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19449 states, 19431 states have (on average 2.8111780145128917) internal successors, (54624), 19448 states have internal predecessors, (54624), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:57,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19449 states to 19449 states and 54624 transitions. [2022-09-16 10:38:57,105 INFO L78 Accepts]: Start accepts. Automaton has 19449 states and 54624 transitions. Word has length 90 [2022-09-16 10:38:57,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:57,105 INFO L495 AbstractCegarLoop]: Abstraction has 19449 states and 54624 transitions. [2022-09-16 10:38:57,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:57,105 INFO L276 IsEmpty]: Start isEmpty. Operand 19449 states and 54624 transitions. [2022-09-16 10:38:57,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:38:57,110 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:57,111 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:57,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-09-16 10:38:57,111 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:57,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:57,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1110422682, now seen corresponding path program 12 times [2022-09-16 10:38:57,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:57,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258795982] [2022-09-16 10:38:57,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:57,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:38:57,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:38:57,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:38:57,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258795982] [2022-09-16 10:38:57,574 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258795982] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:38:57,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:38:57,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-09-16 10:38:57,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11370738] [2022-09-16 10:38:57,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:38:57,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-09-16 10:38:57,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:38:57,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-09-16 10:38:57,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2022-09-16 10:38:57,575 INFO L87 Difference]: Start difference. First operand 19449 states and 54624 transitions. Second operand has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:59,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:38:59,545 INFO L93 Difference]: Finished difference Result 23696 states and 65695 transitions. [2022-09-16 10:38:59,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-09-16 10:38:59,545 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-09-16 10:38:59,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:38:59,582 INFO L225 Difference]: With dead ends: 23696 [2022-09-16 10:38:59,582 INFO L226 Difference]: Without dead ends: 22297 [2022-09-16 10:38:59,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 676 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=626, Invalid=2454, Unknown=0, NotChecked=0, Total=3080 [2022-09-16 10:38:59,583 INFO L413 NwaCegarLoop]: 336 mSDtfsCounter, 1742 mSDsluCounter, 3081 mSDsCounter, 0 mSdLazyCounter, 1240 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1742 SdHoareTripleChecker+Valid, 3396 SdHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 1240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:38:59,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1742 Valid, 3396 Invalid, 1356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 1240 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:38:59,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22297 states. [2022-09-16 10:38:59,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22297 to 19238. [2022-09-16 10:38:59,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19238 states, 19220 states have (on average 2.8116545265348596) internal successors, (54040), 19237 states have internal predecessors, (54040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:59,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19238 states to 19238 states and 54040 transitions. [2022-09-16 10:38:59,893 INFO L78 Accepts]: Start accepts. Automaton has 19238 states and 54040 transitions. Word has length 90 [2022-09-16 10:38:59,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:38:59,894 INFO L495 AbstractCegarLoop]: Abstraction has 19238 states and 54040 transitions. [2022-09-16 10:38:59,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:38:59,894 INFO L276 IsEmpty]: Start isEmpty. Operand 19238 states and 54040 transitions. [2022-09-16 10:38:59,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:38:59,898 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:38:59,899 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:38:59,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-09-16 10:38:59,899 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:38:59,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:38:59,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1528262092, now seen corresponding path program 13 times [2022-09-16 10:38:59,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:38:59,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724077384] [2022-09-16 10:38:59,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:38:59,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:38:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:00,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:00,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:00,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724077384] [2022-09-16 10:39:00,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724077384] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:00,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:00,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-09-16 10:39:00,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917017910] [2022-09-16 10:39:00,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:00,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-09-16 10:39:00,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:00,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-09-16 10:39:00,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2022-09-16 10:39:00,326 INFO L87 Difference]: Start difference. First operand 19238 states and 54040 transitions. Second operand has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:02,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:02,187 INFO L93 Difference]: Finished difference Result 23059 states and 63957 transitions. [2022-09-16 10:39:02,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-09-16 10:39:02,187 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-09-16 10:39:02,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:02,226 INFO L225 Difference]: With dead ends: 23059 [2022-09-16 10:39:02,226 INFO L226 Difference]: Without dead ends: 21069 [2022-09-16 10:39:02,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=681, Invalid=2741, Unknown=0, NotChecked=0, Total=3422 [2022-09-16 10:39:02,227 INFO L413 NwaCegarLoop]: 379 mSDtfsCounter, 1912 mSDsluCounter, 3594 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1912 SdHoareTripleChecker+Valid, 3946 SdHoareTripleChecker+Invalid, 1431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:02,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1912 Valid, 3946 Invalid, 1431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 1308 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:39:02,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21069 states. [2022-09-16 10:39:02,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21069 to 19148. [2022-09-16 10:39:02,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19148 states, 19130 states have (on average 2.806691061160481) internal successors, (53692), 19147 states have internal predecessors, (53692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:02,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19148 states to 19148 states and 53692 transitions. [2022-09-16 10:39:02,558 INFO L78 Accepts]: Start accepts. Automaton has 19148 states and 53692 transitions. Word has length 90 [2022-09-16 10:39:02,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:02,558 INFO L495 AbstractCegarLoop]: Abstraction has 19148 states and 53692 transitions. [2022-09-16 10:39:02,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:02,558 INFO L276 IsEmpty]: Start isEmpty. Operand 19148 states and 53692 transitions. [2022-09-16 10:39:02,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:39:02,563 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:02,563 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:02,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-09-16 10:39:02,563 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:02,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:02,563 INFO L85 PathProgramCache]: Analyzing trace with hash -160393058, now seen corresponding path program 14 times [2022-09-16 10:39:02,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:02,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853307948] [2022-09-16 10:39:02,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:02,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:02,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:03,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:03,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:03,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853307948] [2022-09-16 10:39:03,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853307948] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:03,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:03,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2022-09-16 10:39:03,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895361802] [2022-09-16 10:39:03,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:03,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-09-16 10:39:03,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:03,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-09-16 10:39:03,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=527, Unknown=0, NotChecked=0, Total=600 [2022-09-16 10:39:03,025 INFO L87 Difference]: Start difference. First operand 19148 states and 53692 transitions. Second operand has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:04,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:04,982 INFO L93 Difference]: Finished difference Result 23265 states and 64371 transitions. [2022-09-16 10:39:04,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-09-16 10:39:04,983 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-09-16 10:39:04,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:05,026 INFO L225 Difference]: With dead ends: 23265 [2022-09-16 10:39:05,026 INFO L226 Difference]: Without dead ends: 21755 [2022-09-16 10:39:05,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 754 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=660, Invalid=2646, Unknown=0, NotChecked=0, Total=3306 [2022-09-16 10:39:05,027 INFO L413 NwaCegarLoop]: 377 mSDtfsCounter, 1637 mSDsluCounter, 3674 mSDsCounter, 0 mSdLazyCounter, 1354 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1637 SdHoareTripleChecker+Valid, 4027 SdHoareTripleChecker+Invalid, 1459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 1354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:05,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1637 Valid, 4027 Invalid, 1459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 1354 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:39:05,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21755 states. [2022-09-16 10:39:05,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21755 to 19053. [2022-09-16 10:39:05,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19053 states, 19035 states have (on average 2.805043341213554) internal successors, (53394), 19052 states have internal predecessors, (53394), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:05,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19053 states to 19053 states and 53394 transitions. [2022-09-16 10:39:05,439 INFO L78 Accepts]: Start accepts. Automaton has 19053 states and 53394 transitions. Word has length 90 [2022-09-16 10:39:05,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:05,440 INFO L495 AbstractCegarLoop]: Abstraction has 19053 states and 53394 transitions. [2022-09-16 10:39:05,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.75) internal successors, (90), 25 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:05,440 INFO L276 IsEmpty]: Start isEmpty. Operand 19053 states and 53394 transitions. [2022-09-16 10:39:05,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-09-16 10:39:05,445 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:05,445 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, 1, 1, 1, 1] [2022-09-16 10:39:05,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-09-16 10:39:05,445 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:05,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:05,445 INFO L85 PathProgramCache]: Analyzing trace with hash -923529582, now seen corresponding path program 15 times [2022-09-16 10:39:05,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:05,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604225307] [2022-09-16 10:39:05,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:05,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:05,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:05,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:05,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604225307] [2022-09-16 10:39:05,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604225307] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:05,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:05,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-09-16 10:39:05,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403404886] [2022-09-16 10:39:05,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:05,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-09-16 10:39:05,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:05,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-09-16 10:39:05,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2022-09-16 10:39:05,818 INFO L87 Difference]: Start difference. First operand 19053 states and 53394 transitions. Second operand has 22 states, 21 states have (on average 4.285714285714286) internal successors, (90), 22 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:07,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:07,662 INFO L93 Difference]: Finished difference Result 21855 states and 60511 transitions. [2022-09-16 10:39:07,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-09-16 10:39:07,663 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.285714285714286) internal successors, (90), 22 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-09-16 10:39:07,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:07,700 INFO L225 Difference]: With dead ends: 21855 [2022-09-16 10:39:07,700 INFO L226 Difference]: Without dead ends: 20393 [2022-09-16 10:39:07,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 545 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=588, Invalid=2064, Unknown=0, NotChecked=0, Total=2652 [2022-09-16 10:39:07,701 INFO L413 NwaCegarLoop]: 356 mSDtfsCounter, 2001 mSDsluCounter, 3369 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2001 SdHoareTripleChecker+Valid, 3705 SdHoareTripleChecker+Invalid, 1427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:07,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2001 Valid, 3705 Invalid, 1427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 1308 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:39:07,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20393 states. [2022-09-16 10:39:07,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20393 to 18010. [2022-09-16 10:39:07,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18010 states, 17993 states have (on average 2.8102595453787584) internal successors, (50565), 18009 states have internal predecessors, (50565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:08,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18010 states to 18010 states and 50565 transitions. [2022-09-16 10:39:08,005 INFO L78 Accepts]: Start accepts. Automaton has 18010 states and 50565 transitions. Word has length 90 [2022-09-16 10:39:08,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:08,005 INFO L495 AbstractCegarLoop]: Abstraction has 18010 states and 50565 transitions. [2022-09-16 10:39:08,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.285714285714286) internal successors, (90), 22 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:08,005 INFO L276 IsEmpty]: Start isEmpty. Operand 18010 states and 50565 transitions. [2022-09-16 10:39:08,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-09-16 10:39:08,010 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:08,010 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:08,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-09-16 10:39:08,010 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:39:08,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:08,010 INFO L85 PathProgramCache]: Analyzing trace with hash 485259372, now seen corresponding path program 1 times [2022-09-16 10:39:08,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:08,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52287886] [2022-09-16 10:39:08,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:08,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:08,053 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 10:39:08,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:08,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52287886] [2022-09-16 10:39:08,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52287886] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:08,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:08,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-09-16 10:39:08,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504638015] [2022-09-16 10:39:08,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:08,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:39:08,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:08,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:39:08,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:39:08,054 INFO L87 Difference]: Start difference. First operand 18010 states and 50565 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:08,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:08,088 INFO L93 Difference]: Finished difference Result 3667 states and 9866 transitions. [2022-09-16 10:39:08,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-09-16 10:39:08,091 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-09-16 10:39:08,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:08,096 INFO L225 Difference]: With dead ends: 3667 [2022-09-16 10:39:08,097 INFO L226 Difference]: Without dead ends: 2965 [2022-09-16 10:39:08,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-09-16 10:39:08,097 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 152 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:08,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 632 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:39:08,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2965 states. [2022-09-16 10:39:08,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2965 to 2263. [2022-09-16 10:39:08,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2263 states, 2261 states have (on average 2.6466165413533833) internal successors, (5984), 2262 states have internal predecessors, (5984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:08,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2263 states to 2263 states and 5984 transitions. [2022-09-16 10:39:08,136 INFO L78 Accepts]: Start accepts. Automaton has 2263 states and 5984 transitions. Word has length 91 [2022-09-16 10:39:08,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:08,136 INFO L495 AbstractCegarLoop]: Abstraction has 2263 states and 5984 transitions. [2022-09-16 10:39:08,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:08,136 INFO L276 IsEmpty]: Start isEmpty. Operand 2263 states and 5984 transitions. [2022-09-16 10:39:08,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-09-16 10:39:08,139 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:08,139 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:08,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-09-16 10:39:08,139 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 10:39:08,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:08,139 INFO L85 PathProgramCache]: Analyzing trace with hash -1923419640, now seen corresponding path program 1 times [2022-09-16 10:39:08,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:08,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292767282] [2022-09-16 10:39:08,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:08,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:08,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:08,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:08,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:08,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292767282] [2022-09-16 10:39:08,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292767282] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:08,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:08,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:39:08,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675206592] [2022-09-16 10:39:08,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:08,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:39:08,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:08,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:39:08,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:39:08,907 INFO L87 Difference]: Start difference. First operand 2263 states and 5984 transitions. Second operand has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:11,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:11,092 INFO L93 Difference]: Finished difference Result 3491 states and 9158 transitions. [2022-09-16 10:39:11,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-09-16 10:39:11,092 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-09-16 10:39:11,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:11,097 INFO L225 Difference]: With dead ends: 3491 [2022-09-16 10:39:11,097 INFO L226 Difference]: Without dead ends: 3491 [2022-09-16 10:39:11,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 355 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=541, Invalid=1715, Unknown=0, NotChecked=0, Total=2256 [2022-09-16 10:39:11,098 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 1760 mSDsluCounter, 1642 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1760 SdHoareTripleChecker+Valid, 1783 SdHoareTripleChecker+Invalid, 1203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:11,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1760 Valid, 1783 Invalid, 1203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 1021 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:39:11,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3491 states. [2022-09-16 10:39:11,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3491 to 3111. [2022-09-16 10:39:11,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3111 states, 3109 states have (on average 2.63686072692184) internal successors, (8198), 3110 states have internal predecessors, (8198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:11,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3111 states to 3111 states and 8198 transitions. [2022-09-16 10:39:11,137 INFO L78 Accepts]: Start accepts. Automaton has 3111 states and 8198 transitions. Word has length 110 [2022-09-16 10:39:11,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:11,137 INFO L495 AbstractCegarLoop]: Abstraction has 3111 states and 8198 transitions. [2022-09-16 10:39:11,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:11,137 INFO L276 IsEmpty]: Start isEmpty. Operand 3111 states and 8198 transitions. [2022-09-16 10:39:11,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-09-16 10:39:11,140 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:11,140 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:11,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-09-16 10:39:11,140 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 10:39:11,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:11,141 INFO L85 PathProgramCache]: Analyzing trace with hash 662374206, now seen corresponding path program 2 times [2022-09-16 10:39:11,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:11,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123841483] [2022-09-16 10:39:11,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:11,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:11,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:11,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:11,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123841483] [2022-09-16 10:39:11,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123841483] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:11,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:11,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:39:11,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602723558] [2022-09-16 10:39:11,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:11,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:39:11,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:11,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:39:11,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=579, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:39:11,846 INFO L87 Difference]: Start difference. First operand 3111 states and 8198 transitions. Second operand has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:15,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:15,296 INFO L93 Difference]: Finished difference Result 4381 states and 11325 transitions. [2022-09-16 10:39:15,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-09-16 10:39:15,296 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-09-16 10:39:15,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:15,303 INFO L225 Difference]: With dead ends: 4381 [2022-09-16 10:39:15,303 INFO L226 Difference]: Without dead ends: 4381 [2022-09-16 10:39:15,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 725 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1044, Invalid=3116, Unknown=0, NotChecked=0, Total=4160 [2022-09-16 10:39:15,304 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 1836 mSDsluCounter, 2241 mSDsCounter, 0 mSdLazyCounter, 1339 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1836 SdHoareTripleChecker+Valid, 2442 SdHoareTripleChecker+Invalid, 1549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 1339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:15,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1836 Valid, 2442 Invalid, 1549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 1339 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:39:15,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4381 states. [2022-09-16 10:39:15,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4381 to 3223. [2022-09-16 10:39:15,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3223 states, 3221 states have (on average 2.6451412604781126) internal successors, (8520), 3222 states have internal predecessors, (8520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:15,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3223 states to 3223 states and 8520 transitions. [2022-09-16 10:39:15,354 INFO L78 Accepts]: Start accepts. Automaton has 3223 states and 8520 transitions. Word has length 110 [2022-09-16 10:39:15,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:15,354 INFO L495 AbstractCegarLoop]: Abstraction has 3223 states and 8520 transitions. [2022-09-16 10:39:15,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:15,354 INFO L276 IsEmpty]: Start isEmpty. Operand 3223 states and 8520 transitions. [2022-09-16 10:39:15,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-09-16 10:39:15,358 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:15,358 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:15,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-09-16 10:39:15,358 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 10:39:15,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:15,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1798661374, now seen corresponding path program 3 times [2022-09-16 10:39:15,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:15,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48324351] [2022-09-16 10:39:15,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:15,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:16,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:16,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:16,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48324351] [2022-09-16 10:39:16,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48324351] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:16,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:16,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:39:16,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778087106] [2022-09-16 10:39:16,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:16,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:39:16,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:16,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:39:16,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:39:16,148 INFO L87 Difference]: Start difference. First operand 3223 states and 8520 transitions. Second operand has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:23,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:23,260 INFO L93 Difference]: Finished difference Result 4142 states and 10621 transitions. [2022-09-16 10:39:23,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-09-16 10:39:23,260 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-09-16 10:39:23,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:23,265 INFO L225 Difference]: With dead ends: 4142 [2022-09-16 10:39:23,265 INFO L226 Difference]: Without dead ends: 4142 [2022-09-16 10:39:23,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1419 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=1727, Invalid=5245, Unknown=0, NotChecked=0, Total=6972 [2022-09-16 10:39:23,266 INFO L413 NwaCegarLoop]: 266 mSDtfsCounter, 1692 mSDsluCounter, 2494 mSDsCounter, 0 mSdLazyCounter, 1727 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1692 SdHoareTripleChecker+Valid, 2708 SdHoareTripleChecker+Invalid, 1931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 1727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:23,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1692 Valid, 2708 Invalid, 1931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 1727 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-09-16 10:39:23,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4142 states. [2022-09-16 10:39:23,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4142 to 3276. [2022-09-16 10:39:23,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3276 states, 3274 states have (on average 2.6414172266340867) internal successors, (8648), 3275 states have internal predecessors, (8648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:23,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3276 states to 3276 states and 8648 transitions. [2022-09-16 10:39:23,321 INFO L78 Accepts]: Start accepts. Automaton has 3276 states and 8648 transitions. Word has length 110 [2022-09-16 10:39:23,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:23,321 INFO L495 AbstractCegarLoop]: Abstraction has 3276 states and 8648 transitions. [2022-09-16 10:39:23,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:23,321 INFO L276 IsEmpty]: Start isEmpty. Operand 3276 states and 8648 transitions. [2022-09-16 10:39:23,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-09-16 10:39:23,326 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:23,327 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:23,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-09-16 10:39:23,327 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 10:39:23,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:23,327 INFO L85 PathProgramCache]: Analyzing trace with hash -1456129556, now seen corresponding path program 4 times [2022-09-16 10:39:23,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:23,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901966153] [2022-09-16 10:39:23,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:23,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:24,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:24,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:24,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901966153] [2022-09-16 10:39:24,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901966153] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:24,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:24,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:39:24,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218254708] [2022-09-16 10:39:24,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:24,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:39:24,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:24,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:39:24,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=579, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:39:24,041 INFO L87 Difference]: Start difference. First operand 3276 states and 8648 transitions. Second operand has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:26,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:26,269 INFO L93 Difference]: Finished difference Result 3757 states and 9807 transitions. [2022-09-16 10:39:26,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-09-16 10:39:26,270 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-09-16 10:39:26,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:26,275 INFO L225 Difference]: With dead ends: 3757 [2022-09-16 10:39:26,275 INFO L226 Difference]: Without dead ends: 3757 [2022-09-16 10:39:26,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=598, Invalid=1852, Unknown=0, NotChecked=0, Total=2450 [2022-09-16 10:39:26,276 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 1237 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 1149 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1237 SdHoareTripleChecker+Valid, 1856 SdHoareTripleChecker+Invalid, 1296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 1149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:26,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1237 Valid, 1856 Invalid, 1296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 1149 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:39:26,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3757 states. [2022-09-16 10:39:26,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3757 to 3252. [2022-09-16 10:39:26,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3252 states, 3250 states have (on average 2.6424615384615384) internal successors, (8588), 3251 states have internal predecessors, (8588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:26,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3252 states to 3252 states and 8588 transitions. [2022-09-16 10:39:26,319 INFO L78 Accepts]: Start accepts. Automaton has 3252 states and 8588 transitions. Word has length 110 [2022-09-16 10:39:26,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:26,319 INFO L495 AbstractCegarLoop]: Abstraction has 3252 states and 8588 transitions. [2022-09-16 10:39:26,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:26,319 INFO L276 IsEmpty]: Start isEmpty. Operand 3252 states and 8588 transitions. [2022-09-16 10:39:26,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-09-16 10:39:26,323 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:26,323 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:26,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-09-16 10:39:26,323 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 10:39:26,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:26,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1996990514, now seen corresponding path program 5 times [2022-09-16 10:39:26,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:26,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431010096] [2022-09-16 10:39:26,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:26,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:26,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:27,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:27,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:27,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431010096] [2022-09-16 10:39:27,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431010096] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:27,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:27,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:39:27,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419932820] [2022-09-16 10:39:27,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:27,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:39:27,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:27,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:39:27,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:39:27,058 INFO L87 Difference]: Start difference. First operand 3252 states and 8588 transitions. Second operand has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:30,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:30,784 INFO L93 Difference]: Finished difference Result 3928 states and 9902 transitions. [2022-09-16 10:39:30,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-09-16 10:39:30,784 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-09-16 10:39:30,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:30,792 INFO L225 Difference]: With dead ends: 3928 [2022-09-16 10:39:30,792 INFO L226 Difference]: Without dead ends: 3928 [2022-09-16 10:39:30,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 594 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=875, Invalid=2547, Unknown=0, NotChecked=0, Total=3422 [2022-09-16 10:39:30,793 INFO L413 NwaCegarLoop]: 260 mSDtfsCounter, 1851 mSDsluCounter, 1937 mSDsCounter, 0 mSdLazyCounter, 1134 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1851 SdHoareTripleChecker+Valid, 2156 SdHoareTripleChecker+Invalid, 1357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 1134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:30,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1851 Valid, 2156 Invalid, 1357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 1134 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:39:30,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3928 states. [2022-09-16 10:39:30,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3928 to 2964. [2022-09-16 10:39:30,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2964 states, 2962 states have (on average 2.613774476704929) internal successors, (7742), 2963 states have internal predecessors, (7742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:30,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2964 states to 2964 states and 7742 transitions. [2022-09-16 10:39:30,842 INFO L78 Accepts]: Start accepts. Automaton has 2964 states and 7742 transitions. Word has length 110 [2022-09-16 10:39:30,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:30,843 INFO L495 AbstractCegarLoop]: Abstraction has 2964 states and 7742 transitions. [2022-09-16 10:39:30,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:30,843 INFO L276 IsEmpty]: Start isEmpty. Operand 2964 states and 7742 transitions. [2022-09-16 10:39:30,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-09-16 10:39:30,846 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:30,846 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:30,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-09-16 10:39:30,846 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 10:39:30,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:30,847 INFO L85 PathProgramCache]: Analyzing trace with hash -464045066, now seen corresponding path program 6 times [2022-09-16 10:39:30,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:30,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766123432] [2022-09-16 10:39:30,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:30,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:31,545 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 10:39:31,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:31,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766123432] [2022-09-16 10:39:31,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766123432] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:31,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:31,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:39:31,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654660614] [2022-09-16 10:39:31,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:31,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:39:31,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:31,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:39:31,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:39:31,546 INFO L87 Difference]: Start difference. First operand 2964 states and 7742 transitions. Second operand has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:36,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:36,982 INFO L93 Difference]: Finished difference Result 3617 states and 9012 transitions. [2022-09-16 10:39:36,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-09-16 10:39:36,983 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-09-16 10:39:36,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:36,988 INFO L225 Difference]: With dead ends: 3617 [2022-09-16 10:39:36,988 INFO L226 Difference]: Without dead ends: 3617 [2022-09-16 10:39:36,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1139 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=1374, Invalid=4176, Unknown=0, NotChecked=0, Total=5550 [2022-09-16 10:39:36,989 INFO L413 NwaCegarLoop]: 280 mSDtfsCounter, 1943 mSDsluCounter, 2137 mSDsCounter, 0 mSdLazyCounter, 1416 mSolverCounterSat, 249 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1943 SdHoareTripleChecker+Valid, 2370 SdHoareTripleChecker+Invalid, 1665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 249 IncrementalHoareTripleChecker+Valid, 1416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:36,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1943 Valid, 2370 Invalid, 1665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [249 Valid, 1416 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:39:36,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3617 states. [2022-09-16 10:39:37,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3617 to 2868. [2022-09-16 10:39:37,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2868 states, 2866 states have (on average 2.6029309141660852) internal successors, (7460), 2867 states have internal predecessors, (7460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:37,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2868 states to 2868 states and 7460 transitions. [2022-09-16 10:39:37,025 INFO L78 Accepts]: Start accepts. Automaton has 2868 states and 7460 transitions. Word has length 110 [2022-09-16 10:39:37,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:37,026 INFO L495 AbstractCegarLoop]: Abstraction has 2868 states and 7460 transitions. [2022-09-16 10:39:37,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:37,026 INFO L276 IsEmpty]: Start isEmpty. Operand 2868 states and 7460 transitions. [2022-09-16 10:39:37,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-09-16 10:39:37,028 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:37,028 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:37,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-09-16 10:39:37,029 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 10:39:37,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:37,029 INFO L85 PathProgramCache]: Analyzing trace with hash -736876738, now seen corresponding path program 7 times [2022-09-16 10:39:37,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:37,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457395945] [2022-09-16 10:39:37,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:37,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:37,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:37,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:37,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457395945] [2022-09-16 10:39:37,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457395945] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:37,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:37,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:39:37,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729549852] [2022-09-16 10:39:37,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:37,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:39:37,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:37,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:39:37,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=570, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:39:37,676 INFO L87 Difference]: Start difference. First operand 2868 states and 7460 transitions. Second operand has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:40,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:40,868 INFO L93 Difference]: Finished difference Result 3194 states and 8037 transitions. [2022-09-16 10:39:40,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-09-16 10:39:40,868 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-09-16 10:39:40,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:40,872 INFO L225 Difference]: With dead ends: 3194 [2022-09-16 10:39:40,873 INFO L226 Difference]: Without dead ends: 3194 [2022-09-16 10:39:40,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 736 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1031, Invalid=3001, Unknown=0, NotChecked=0, Total=4032 [2022-09-16 10:39:40,875 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 1604 mSDsluCounter, 1730 mSDsCounter, 0 mSdLazyCounter, 1271 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1604 SdHoareTripleChecker+Valid, 1872 SdHoareTripleChecker+Invalid, 1476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 1271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:40,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1604 Valid, 1872 Invalid, 1476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 1271 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-09-16 10:39:40,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3194 states. [2022-09-16 10:39:40,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3194 to 2720. [2022-09-16 10:39:40,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2720 states, 2718 states have (on average 2.615158204562178) internal successors, (7108), 2719 states have internal predecessors, (7108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:40,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2720 states to 2720 states and 7108 transitions. [2022-09-16 10:39:40,911 INFO L78 Accepts]: Start accepts. Automaton has 2720 states and 7108 transitions. Word has length 110 [2022-09-16 10:39:40,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:40,911 INFO L495 AbstractCegarLoop]: Abstraction has 2720 states and 7108 transitions. [2022-09-16 10:39:40,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:40,911 INFO L276 IsEmpty]: Start isEmpty. Operand 2720 states and 7108 transitions. [2022-09-16 10:39:40,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-09-16 10:39:40,914 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:40,914 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:40,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-09-16 10:39:40,914 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 10:39:40,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:40,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1819975938, now seen corresponding path program 8 times [2022-09-16 10:39:40,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:40,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351413850] [2022-09-16 10:39:40,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:40,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:41,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:41,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:41,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351413850] [2022-09-16 10:39:41,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351413850] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:41,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:41,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:39:41,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055571094] [2022-09-16 10:39:41,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:41,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:39:41,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:41,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:39:41,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:39:41,728 INFO L87 Difference]: Start difference. First operand 2720 states and 7108 transitions. Second operand has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:43,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:43,929 INFO L93 Difference]: Finished difference Result 3009 states and 7744 transitions. [2022-09-16 10:39:43,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-09-16 10:39:43,929 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-09-16 10:39:43,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:43,932 INFO L225 Difference]: With dead ends: 3009 [2022-09-16 10:39:43,933 INFO L226 Difference]: Without dead ends: 3009 [2022-09-16 10:39:43,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=456, Invalid=1436, Unknown=0, NotChecked=0, Total=1892 [2022-09-16 10:39:43,933 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 1261 mSDsluCounter, 1343 mSDsCounter, 0 mSdLazyCounter, 881 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1261 SdHoareTripleChecker+Valid, 1464 SdHoareTripleChecker+Invalid, 1009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:43,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1261 Valid, 1464 Invalid, 1009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 881 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:39:43,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3009 states. [2022-09-16 10:39:43,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3009 to 2744. [2022-09-16 10:39:43,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2744 states, 2742 states have (on average 2.614150255288111) internal successors, (7168), 2743 states have internal predecessors, (7168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:43,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2744 states to 2744 states and 7168 transitions. [2022-09-16 10:39:43,963 INFO L78 Accepts]: Start accepts. Automaton has 2744 states and 7168 transitions. Word has length 110 [2022-09-16 10:39:43,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:43,963 INFO L495 AbstractCegarLoop]: Abstraction has 2744 states and 7168 transitions. [2022-09-16 10:39:43,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:43,963 INFO L276 IsEmpty]: Start isEmpty. Operand 2744 states and 7168 transitions. [2022-09-16 10:39:43,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-09-16 10:39:43,966 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:43,966 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:43,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-09-16 10:39:43,966 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 10:39:43,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:43,966 INFO L85 PathProgramCache]: Analyzing trace with hash -661309528, now seen corresponding path program 9 times [2022-09-16 10:39:43,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:43,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358409715] [2022-09-16 10:39:43,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:43,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:44,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:44,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:44,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358409715] [2022-09-16 10:39:44,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358409715] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:44,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:44,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:39:44,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150811062] [2022-09-16 10:39:44,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:44,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:39:44,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:44,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:39:44,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:39:44,753 INFO L87 Difference]: Start difference. First operand 2744 states and 7168 transitions. Second operand has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:47,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:47,971 INFO L93 Difference]: Finished difference Result 5060 states and 13070 transitions. [2022-09-16 10:39:47,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:39:47,971 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-09-16 10:39:47,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:47,978 INFO L225 Difference]: With dead ends: 5060 [2022-09-16 10:39:47,978 INFO L226 Difference]: Without dead ends: 5060 [2022-09-16 10:39:47,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=760, Invalid=2102, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:39:47,979 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1211 mSDsluCounter, 1707 mSDsCounter, 0 mSdLazyCounter, 1073 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1211 SdHoareTripleChecker+Valid, 1879 SdHoareTripleChecker+Invalid, 1203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 1073 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:47,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1211 Valid, 1879 Invalid, 1203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 1073 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:39:47,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5060 states. [2022-09-16 10:39:48,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5060 to 2814. [2022-09-16 10:39:48,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2814 states, 2812 states have (on average 2.62375533428165) internal successors, (7378), 2813 states have internal predecessors, (7378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:48,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 2814 states and 7378 transitions. [2022-09-16 10:39:48,021 INFO L78 Accepts]: Start accepts. Automaton has 2814 states and 7378 transitions. Word has length 110 [2022-09-16 10:39:48,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:48,021 INFO L495 AbstractCegarLoop]: Abstraction has 2814 states and 7378 transitions. [2022-09-16 10:39:48,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:48,021 INFO L276 IsEmpty]: Start isEmpty. Operand 2814 states and 7378 transitions. [2022-09-16 10:39:48,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-09-16 10:39:48,024 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:48,024 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:48,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-09-16 10:39:48,024 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 10:39:48,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:48,025 INFO L85 PathProgramCache]: Analyzing trace with hash 345784746, now seen corresponding path program 10 times [2022-09-16 10:39:48,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:48,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297259088] [2022-09-16 10:39:48,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:48,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:48,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:48,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:48,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297259088] [2022-09-16 10:39:48,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297259088] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:48,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:48,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:39:48,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61562852] [2022-09-16 10:39:48,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:48,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:39:48,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:48,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:39:48,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=580, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:39:48,737 INFO L87 Difference]: Start difference. First operand 2814 states and 7378 transitions. Second operand has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:50,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:50,891 INFO L93 Difference]: Finished difference Result 4095 states and 10743 transitions. [2022-09-16 10:39:50,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-09-16 10:39:50,891 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-09-16 10:39:50,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:50,897 INFO L225 Difference]: With dead ends: 4095 [2022-09-16 10:39:50,897 INFO L226 Difference]: Without dead ends: 4095 [2022-09-16 10:39:50,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=598, Invalid=1852, Unknown=0, NotChecked=0, Total=2450 [2022-09-16 10:39:50,898 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 864 mSDsluCounter, 1827 mSDsCounter, 0 mSdLazyCounter, 1240 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 864 SdHoareTripleChecker+Valid, 1980 SdHoareTripleChecker+Invalid, 1344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 1240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:50,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [864 Valid, 1980 Invalid, 1344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 1240 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:39:50,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4095 states. [2022-09-16 10:39:50,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4095 to 2758. [2022-09-16 10:39:50,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2758 states, 2756 states have (on average 2.61611030478955) internal successors, (7210), 2757 states have internal predecessors, (7210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:50,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2758 states to 2758 states and 7210 transitions. [2022-09-16 10:39:50,939 INFO L78 Accepts]: Start accepts. Automaton has 2758 states and 7210 transitions. Word has length 110 [2022-09-16 10:39:50,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:50,939 INFO L495 AbstractCegarLoop]: Abstraction has 2758 states and 7210 transitions. [2022-09-16 10:39:50,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:50,939 INFO L276 IsEmpty]: Start isEmpty. Operand 2758 states and 7210 transitions. [2022-09-16 10:39:50,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-09-16 10:39:50,942 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:50,942 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:50,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-09-16 10:39:50,942 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 10:39:50,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:50,942 INFO L85 PathProgramCache]: Analyzing trace with hash 2140172870, now seen corresponding path program 11 times [2022-09-16 10:39:50,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:50,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713085177] [2022-09-16 10:39:50,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:50,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:51,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:51,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:51,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713085177] [2022-09-16 10:39:51,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713085177] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:51,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:51,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:39:51,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93395452] [2022-09-16 10:39:51,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:51,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:39:51,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:51,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:39:51,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=573, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:39:51,693 INFO L87 Difference]: Start difference. First operand 2758 states and 7210 transitions. Second operand has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:53,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:53,848 INFO L93 Difference]: Finished difference Result 4242 states and 10862 transitions. [2022-09-16 10:39:53,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-09-16 10:39:53,848 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-09-16 10:39:53,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:53,854 INFO L225 Difference]: With dead ends: 4242 [2022-09-16 10:39:53,854 INFO L226 Difference]: Without dead ends: 4242 [2022-09-16 10:39:53,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=638, Invalid=1912, Unknown=0, NotChecked=0, Total=2550 [2022-09-16 10:39:53,855 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 1089 mSDsluCounter, 1730 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1089 SdHoareTripleChecker+Valid, 1880 SdHoareTripleChecker+Invalid, 1204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:53,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1089 Valid, 1880 Invalid, 1204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1089 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:39:53,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4242 states. [2022-09-16 10:39:53,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4242 to 2822. [2022-09-16 10:39:53,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2822 states, 2820 states have (on average 2.6177304964539005) internal successors, (7382), 2821 states have internal predecessors, (7382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:53,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2822 states to 2822 states and 7382 transitions. [2022-09-16 10:39:53,897 INFO L78 Accepts]: Start accepts. Automaton has 2822 states and 7382 transitions. Word has length 110 [2022-09-16 10:39:53,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:53,897 INFO L495 AbstractCegarLoop]: Abstraction has 2822 states and 7382 transitions. [2022-09-16 10:39:53,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:53,897 INFO L276 IsEmpty]: Start isEmpty. Operand 2822 states and 7382 transitions. [2022-09-16 10:39:53,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-09-16 10:39:53,900 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:53,901 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:53,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-09-16 10:39:53,901 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 10:39:53,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:53,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1190732854, now seen corresponding path program 12 times [2022-09-16 10:39:53,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:53,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119792419] [2022-09-16 10:39:53,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:53,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:54,475 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 10:39:54,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:54,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119792419] [2022-09-16 10:39:54,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119792419] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:54,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:54,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:39:54,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588994707] [2022-09-16 10:39:54,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:54,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:39:54,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:54,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:39:54,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=580, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:39:54,476 INFO L87 Difference]: Start difference. First operand 2822 states and 7382 transitions. Second operand has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:56,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:56,743 INFO L93 Difference]: Finished difference Result 3511 states and 9020 transitions. [2022-09-16 10:39:56,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-09-16 10:39:56,743 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-09-16 10:39:56,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:56,749 INFO L225 Difference]: With dead ends: 3511 [2022-09-16 10:39:56,749 INFO L226 Difference]: Without dead ends: 3511 [2022-09-16 10:39:56,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 384 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=669, Invalid=1983, Unknown=0, NotChecked=0, Total=2652 [2022-09-16 10:39:56,750 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 1093 mSDsluCounter, 1612 mSDsCounter, 0 mSdLazyCounter, 1217 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1093 SdHoareTripleChecker+Valid, 1746 SdHoareTripleChecker+Invalid, 1335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 1217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:56,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1093 Valid, 1746 Invalid, 1335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 1217 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:39:56,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3511 states. [2022-09-16 10:39:56,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3511 to 2824. [2022-09-16 10:39:56,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2824 states, 2822 states have (on average 2.6176470588235294) internal successors, (7387), 2823 states have internal predecessors, (7387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:56,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2824 states to 2824 states and 7387 transitions. [2022-09-16 10:39:56,787 INFO L78 Accepts]: Start accepts. Automaton has 2824 states and 7387 transitions. Word has length 110 [2022-09-16 10:39:56,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:56,787 INFO L495 AbstractCegarLoop]: Abstraction has 2824 states and 7387 transitions. [2022-09-16 10:39:56,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:56,787 INFO L276 IsEmpty]: Start isEmpty. Operand 2824 states and 7387 transitions. [2022-09-16 10:39:56,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-09-16 10:39:56,790 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:56,790 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:56,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-09-16 10:39:56,790 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 10:39:56,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:56,791 INFO L85 PathProgramCache]: Analyzing trace with hash 66950248, now seen corresponding path program 13 times [2022-09-16 10:39:56,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:56,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488453348] [2022-09-16 10:39:56,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:56,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:39:57,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:39:57,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:39:57,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488453348] [2022-09-16 10:39:57,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488453348] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:39:57,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:39:57,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:39:57,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760054066] [2022-09-16 10:39:57,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:39:57,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:39:57,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:39:57,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:39:57,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:39:57,443 INFO L87 Difference]: Start difference. First operand 2824 states and 7387 transitions. Second operand has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:59,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:39:59,535 INFO L93 Difference]: Finished difference Result 3375 states and 8700 transitions. [2022-09-16 10:39:59,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-09-16 10:39:59,535 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-09-16 10:39:59,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:39:59,540 INFO L225 Difference]: With dead ends: 3375 [2022-09-16 10:39:59,540 INFO L226 Difference]: Without dead ends: 3375 [2022-09-16 10:39:59,541 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=466, Invalid=1426, Unknown=0, NotChecked=0, Total=1892 [2022-09-16 10:39:59,541 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 781 mSDsluCounter, 1433 mSDsCounter, 0 mSdLazyCounter, 960 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 781 SdHoareTripleChecker+Valid, 1563 SdHoareTripleChecker+Invalid, 1054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:39:59,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [781 Valid, 1563 Invalid, 1054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 960 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:39:59,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3375 states. [2022-09-16 10:39:59,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3375 to 2824. [2022-09-16 10:39:59,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2824 states, 2822 states have (on average 2.6176470588235294) internal successors, (7387), 2823 states have internal predecessors, (7387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:59,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2824 states to 2824 states and 7387 transitions. [2022-09-16 10:39:59,580 INFO L78 Accepts]: Start accepts. Automaton has 2824 states and 7387 transitions. Word has length 110 [2022-09-16 10:39:59,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:39:59,580 INFO L495 AbstractCegarLoop]: Abstraction has 2824 states and 7387 transitions. [2022-09-16 10:39:59,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:39:59,580 INFO L276 IsEmpty]: Start isEmpty. Operand 2824 states and 7387 transitions. [2022-09-16 10:39:59,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-09-16 10:39:59,583 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:39:59,583 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:39:59,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-09-16 10:39:59,584 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 10:39:59,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:39:59,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1510059454, now seen corresponding path program 14 times [2022-09-16 10:39:59,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:39:59,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521109205] [2022-09-16 10:39:59,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:39:59,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:39:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:00,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:00,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:00,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521109205] [2022-09-16 10:40:00,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521109205] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:00,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:00,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-09-16 10:40:00,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219457648] [2022-09-16 10:40:00,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:00,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-09-16 10:40:00,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:00,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-09-16 10:40:00,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=725, Unknown=0, NotChecked=0, Total=812 [2022-09-16 10:40:00,374 INFO L87 Difference]: Start difference. First operand 2824 states and 7387 transitions. Second operand has 29 states, 28 states have (on average 3.9285714285714284) internal successors, (110), 29 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:02,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:02,158 INFO L93 Difference]: Finished difference Result 3183 states and 8198 transitions. [2022-09-16 10:40:02,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-09-16 10:40:02,158 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 3.9285714285714284) internal successors, (110), 29 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-09-16 10:40:02,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:02,163 INFO L225 Difference]: With dead ends: 3183 [2022-09-16 10:40:02,163 INFO L226 Difference]: Without dead ends: 3183 [2022-09-16 10:40:02,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 414 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=501, Invalid=1851, Unknown=0, NotChecked=0, Total=2352 [2022-09-16 10:40:02,164 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 808 mSDsluCounter, 1649 mSDsCounter, 0 mSdLazyCounter, 1160 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 808 SdHoareTripleChecker+Valid, 1741 SdHoareTripleChecker+Invalid, 1252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 1160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:02,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [808 Valid, 1741 Invalid, 1252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 1160 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:40:02,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3183 states. [2022-09-16 10:40:02,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3183 to 2830. [2022-09-16 10:40:02,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2830 states, 2828 states have (on average 2.6173974540311176) internal successors, (7402), 2829 states have internal predecessors, (7402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:02,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2830 states to 2830 states and 7402 transitions. [2022-09-16 10:40:02,198 INFO L78 Accepts]: Start accepts. Automaton has 2830 states and 7402 transitions. Word has length 110 [2022-09-16 10:40:02,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:02,198 INFO L495 AbstractCegarLoop]: Abstraction has 2830 states and 7402 transitions. [2022-09-16 10:40:02,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 3.9285714285714284) internal successors, (110), 29 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:02,198 INFO L276 IsEmpty]: Start isEmpty. Operand 2830 states and 7402 transitions. [2022-09-16 10:40:02,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-09-16 10:40:02,201 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:02,201 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:02,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-09-16 10:40:02,201 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 10:40:02,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:02,201 INFO L85 PathProgramCache]: Analyzing trace with hash -177191838, now seen corresponding path program 15 times [2022-09-16 10:40:02,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:02,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825148070] [2022-09-16 10:40:02,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:02,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:02,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:02,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:02,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825148070] [2022-09-16 10:40:02,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825148070] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:02,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:02,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:40:02,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557634224] [2022-09-16 10:40:02,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:02,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:40:02,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:02,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:40:02,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=579, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:40:02,947 INFO L87 Difference]: Start difference. First operand 2830 states and 7402 transitions. Second operand has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:04,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:04,741 INFO L93 Difference]: Finished difference Result 3181 states and 8163 transitions. [2022-09-16 10:40:04,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:40:04,741 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-09-16 10:40:04,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:04,746 INFO L225 Difference]: With dead ends: 3181 [2022-09-16 10:40:04,746 INFO L226 Difference]: Without dead ends: 3181 [2022-09-16 10:40:04,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=520, Invalid=1642, Unknown=0, NotChecked=0, Total=2162 [2022-09-16 10:40:04,747 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 991 mSDsluCounter, 1357 mSDsCounter, 0 mSdLazyCounter, 985 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 991 SdHoareTripleChecker+Valid, 1461 SdHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:04,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [991 Valid, 1461 Invalid, 1088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 985 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:40:04,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3181 states. [2022-09-16 10:40:04,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3181 to 2832. [2022-09-16 10:40:04,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2832 states, 2830 states have (on average 2.617314487632509) internal successors, (7407), 2831 states have internal predecessors, (7407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:04,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2832 states to 2832 states and 7407 transitions. [2022-09-16 10:40:04,783 INFO L78 Accepts]: Start accepts. Automaton has 2832 states and 7407 transitions. Word has length 110 [2022-09-16 10:40:04,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:04,783 INFO L495 AbstractCegarLoop]: Abstraction has 2832 states and 7407 transitions. [2022-09-16 10:40:04,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:04,783 INFO L276 IsEmpty]: Start isEmpty. Operand 2832 states and 7407 transitions. [2022-09-16 10:40:04,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-09-16 10:40:04,786 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:04,786 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:04,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-09-16 10:40:04,787 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 10:40:04,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:04,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1080491264, now seen corresponding path program 16 times [2022-09-16 10:40:04,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:04,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352210294] [2022-09-16 10:40:04,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:04,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:04,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:05,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:05,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:05,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352210294] [2022-09-16 10:40:05,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352210294] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:05,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:05,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:40:05,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203833851] [2022-09-16 10:40:05,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:05,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:40:05,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:05,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:40:05,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:40:05,453 INFO L87 Difference]: Start difference. First operand 2832 states and 7407 transitions. Second operand has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:07,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:07,283 INFO L93 Difference]: Finished difference Result 3087 states and 7948 transitions. [2022-09-16 10:40:07,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-09-16 10:40:07,283 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-09-16 10:40:07,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:07,287 INFO L225 Difference]: With dead ends: 3087 [2022-09-16 10:40:07,288 INFO L226 Difference]: Without dead ends: 3087 [2022-09-16 10:40:07,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=392, Invalid=1248, Unknown=0, NotChecked=0, Total=1640 [2022-09-16 10:40:07,288 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 794 mSDsluCounter, 1498 mSDsCounter, 0 mSdLazyCounter, 986 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 794 SdHoareTripleChecker+Valid, 1596 SdHoareTripleChecker+Invalid, 1066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:07,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [794 Valid, 1596 Invalid, 1066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 986 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:40:07,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3087 states. [2022-09-16 10:40:07,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3087 to 2830. [2022-09-16 10:40:07,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2830 states, 2828 states have (on average 2.6173974540311176) internal successors, (7402), 2829 states have internal predecessors, (7402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:07,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2830 states to 2830 states and 7402 transitions. [2022-09-16 10:40:07,324 INFO L78 Accepts]: Start accepts. Automaton has 2830 states and 7402 transitions. Word has length 110 [2022-09-16 10:40:07,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:07,324 INFO L495 AbstractCegarLoop]: Abstraction has 2830 states and 7402 transitions. [2022-09-16 10:40:07,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:07,324 INFO L276 IsEmpty]: Start isEmpty. Operand 2830 states and 7402 transitions. [2022-09-16 10:40:07,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-09-16 10:40:07,327 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:07,327 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:07,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-09-16 10:40:07,328 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 10:40:07,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:07,328 INFO L85 PathProgramCache]: Analyzing trace with hash -438083546, now seen corresponding path program 17 times [2022-09-16 10:40:07,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:07,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133884036] [2022-09-16 10:40:07,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:07,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:07,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:07,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:07,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133884036] [2022-09-16 10:40:07,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133884036] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:07,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:07,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:40:07,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668013266] [2022-09-16 10:40:07,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:07,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:40:07,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:07,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:40:07,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:40:07,921 INFO L87 Difference]: Start difference. First operand 2830 states and 7402 transitions. Second operand has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:10,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:10,571 INFO L93 Difference]: Finished difference Result 4754 states and 12240 transitions. [2022-09-16 10:40:10,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-09-16 10:40:10,572 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-09-16 10:40:10,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:10,578 INFO L225 Difference]: With dead ends: 4754 [2022-09-16 10:40:10,578 INFO L226 Difference]: Without dead ends: 4754 [2022-09-16 10:40:10,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=824, Invalid=2368, Unknown=0, NotChecked=0, Total=3192 [2022-09-16 10:40:10,579 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 1133 mSDsluCounter, 2168 mSDsCounter, 0 mSdLazyCounter, 1348 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1133 SdHoareTripleChecker+Valid, 2346 SdHoareTripleChecker+Invalid, 1464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 1348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:10,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1133 Valid, 2346 Invalid, 1464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 1348 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:40:10,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4754 states. [2022-09-16 10:40:10,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4754 to 2830. [2022-09-16 10:40:10,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2830 states, 2828 states have (on average 2.6173974540311176) internal successors, (7402), 2829 states have internal predecessors, (7402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:10,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2830 states to 2830 states and 7402 transitions. [2022-09-16 10:40:10,618 INFO L78 Accepts]: Start accepts. Automaton has 2830 states and 7402 transitions. Word has length 110 [2022-09-16 10:40:10,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:10,619 INFO L495 AbstractCegarLoop]: Abstraction has 2830 states and 7402 transitions. [2022-09-16 10:40:10,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:10,619 INFO L276 IsEmpty]: Start isEmpty. Operand 2830 states and 7402 transitions. [2022-09-16 10:40:10,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-09-16 10:40:10,621 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:10,621 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:10,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-09-16 10:40:10,622 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 10:40:10,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:10,622 INFO L85 PathProgramCache]: Analyzing trace with hash 569010728, now seen corresponding path program 18 times [2022-09-16 10:40:10,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:10,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373373152] [2022-09-16 10:40:10,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:10,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:11,284 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 10:40:11,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:11,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373373152] [2022-09-16 10:40:11,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373373152] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:11,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:11,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:40:11,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988904544] [2022-09-16 10:40:11,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:11,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:40:11,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:11,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:40:11,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:40:11,285 INFO L87 Difference]: Start difference. First operand 2830 states and 7402 transitions. Second operand has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:14,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:14,057 INFO L93 Difference]: Finished difference Result 3757 states and 9841 transitions. [2022-09-16 10:40:14,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-09-16 10:40:14,058 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-09-16 10:40:14,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:14,062 INFO L225 Difference]: With dead ends: 3757 [2022-09-16 10:40:14,062 INFO L226 Difference]: Without dead ends: 3757 [2022-09-16 10:40:14,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=626, Invalid=1824, Unknown=0, NotChecked=0, Total=2450 [2022-09-16 10:40:14,063 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 1001 mSDsluCounter, 1406 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1001 SdHoareTripleChecker+Valid, 1582 SdHoareTripleChecker+Invalid, 1068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:14,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1001 Valid, 1582 Invalid, 1068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 951 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:40:14,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3757 states. [2022-09-16 10:40:14,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3757 to 2774. [2022-09-16 10:40:14,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2774 states, 2772 states have (on average 2.60966810966811) internal successors, (7234), 2773 states have internal predecessors, (7234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:14,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 7234 transitions. [2022-09-16 10:40:14,095 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 7234 transitions. Word has length 110 [2022-09-16 10:40:14,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:14,095 INFO L495 AbstractCegarLoop]: Abstraction has 2774 states and 7234 transitions. [2022-09-16 10:40:14,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:14,095 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 7234 transitions. [2022-09-16 10:40:14,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-09-16 10:40:14,098 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:14,098 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:14,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-09-16 10:40:14,098 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 10:40:14,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:14,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1931568444, now seen corresponding path program 19 times [2022-09-16 10:40:14,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:14,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214750101] [2022-09-16 10:40:14,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:14,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:14,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:14,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:14,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214750101] [2022-09-16 10:40:14,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214750101] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:14,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:14,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:40:14,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343921422] [2022-09-16 10:40:14,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:14,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:40:14,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:14,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:40:14,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=572, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:40:14,661 INFO L87 Difference]: Start difference. First operand 2774 states and 7234 transitions. Second operand has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:17,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:17,040 INFO L93 Difference]: Finished difference Result 4624 states and 11828 transitions. [2022-09-16 10:40:17,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-09-16 10:40:17,040 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-09-16 10:40:17,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:17,046 INFO L225 Difference]: With dead ends: 4624 [2022-09-16 10:40:17,046 INFO L226 Difference]: Without dead ends: 4624 [2022-09-16 10:40:17,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 449 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=769, Invalid=2201, Unknown=0, NotChecked=0, Total=2970 [2022-09-16 10:40:17,047 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 1090 mSDsluCounter, 1885 mSDsCounter, 0 mSdLazyCounter, 1174 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1090 SdHoareTripleChecker+Valid, 2060 SdHoareTripleChecker+Invalid, 1295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 1174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:17,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1090 Valid, 2060 Invalid, 1295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 1174 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:40:17,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4624 states. [2022-09-16 10:40:17,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4624 to 2774. [2022-09-16 10:40:17,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2774 states, 2772 states have (on average 2.60966810966811) internal successors, (7234), 2773 states have internal predecessors, (7234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:17,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2774 states to 2774 states and 7234 transitions. [2022-09-16 10:40:17,083 INFO L78 Accepts]: Start accepts. Automaton has 2774 states and 7234 transitions. Word has length 110 [2022-09-16 10:40:17,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:17,083 INFO L495 AbstractCegarLoop]: Abstraction has 2774 states and 7234 transitions. [2022-09-16 10:40:17,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:17,084 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 7234 transitions. [2022-09-16 10:40:17,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-09-16 10:40:17,086 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:17,086 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:17,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-09-16 10:40:17,087 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 10:40:17,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:17,087 INFO L85 PathProgramCache]: Analyzing trace with hash -967506872, now seen corresponding path program 20 times [2022-09-16 10:40:17,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:17,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62182632] [2022-09-16 10:40:17,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:17,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:17,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:17,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:17,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62182632] [2022-09-16 10:40:17,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62182632] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:17,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:17,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:40:17,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165282288] [2022-09-16 10:40:17,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:17,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:40:17,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:17,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:40:17,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=579, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:40:17,656 INFO L87 Difference]: Start difference. First operand 2774 states and 7234 transitions. Second operand has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:19,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:19,933 INFO L93 Difference]: Finished difference Result 3719 states and 9625 transitions. [2022-09-16 10:40:19,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-09-16 10:40:19,933 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-09-16 10:40:19,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:19,938 INFO L225 Difference]: With dead ends: 3719 [2022-09-16 10:40:19,938 INFO L226 Difference]: Without dead ends: 3719 [2022-09-16 10:40:19,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=701, Invalid=2055, Unknown=0, NotChecked=0, Total=2756 [2022-09-16 10:40:19,939 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 998 mSDsluCounter, 1509 mSDsCounter, 0 mSdLazyCounter, 1150 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 998 SdHoareTripleChecker+Valid, 1664 SdHoareTripleChecker+Invalid, 1267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 1150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:19,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [998 Valid, 1664 Invalid, 1267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 1150 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:40:19,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3719 states. [2022-09-16 10:40:19,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3719 to 2776. [2022-09-16 10:40:19,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2776 states, 2774 states have (on average 2.6095890410958904) internal successors, (7239), 2775 states have internal predecessors, (7239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:19,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2776 states to 2776 states and 7239 transitions. [2022-09-16 10:40:19,976 INFO L78 Accepts]: Start accepts. Automaton has 2776 states and 7239 transitions. Word has length 110 [2022-09-16 10:40:19,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:19,976 INFO L495 AbstractCegarLoop]: Abstraction has 2776 states and 7239 transitions. [2022-09-16 10:40:19,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:19,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2776 states and 7239 transitions. [2022-09-16 10:40:19,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-09-16 10:40:19,979 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:19,979 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:19,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-09-16 10:40:19,979 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 10:40:19,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:19,980 INFO L85 PathProgramCache]: Analyzing trace with hash 290176230, now seen corresponding path program 21 times [2022-09-16 10:40:19,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:19,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238101891] [2022-09-16 10:40:19,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:19,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:20,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:20,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:20,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238101891] [2022-09-16 10:40:20,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238101891] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:20,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:20,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:40:20,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300213208] [2022-09-16 10:40:20,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:20,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:40:20,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:20,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:40:20,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=577, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:40:20,572 INFO L87 Difference]: Start difference. First operand 2776 states and 7239 transitions. Second operand has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:22,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:22,374 INFO L93 Difference]: Finished difference Result 3559 states and 9245 transitions. [2022-09-16 10:40:22,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-09-16 10:40:22,375 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-09-16 10:40:22,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:22,379 INFO L225 Difference]: With dead ends: 3559 [2022-09-16 10:40:22,380 INFO L226 Difference]: Without dead ends: 3559 [2022-09-16 10:40:22,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=545, Invalid=1711, Unknown=0, NotChecked=0, Total=2256 [2022-09-16 10:40:22,380 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 955 mSDsluCounter, 1521 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 955 SdHoareTripleChecker+Valid, 1666 SdHoareTripleChecker+Invalid, 1146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:22,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [955 Valid, 1666 Invalid, 1146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 1037 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:40:22,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3559 states. [2022-09-16 10:40:22,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3559 to 2760. [2022-09-16 10:40:22,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2760 states, 2758 states have (on average 2.607686729514141) internal successors, (7192), 2759 states have internal predecessors, (7192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:22,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2760 states to 2760 states and 7192 transitions. [2022-09-16 10:40:22,411 INFO L78 Accepts]: Start accepts. Automaton has 2760 states and 7192 transitions. Word has length 110 [2022-09-16 10:40:22,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:22,411 INFO L495 AbstractCegarLoop]: Abstraction has 2760 states and 7192 transitions. [2022-09-16 10:40:22,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:22,411 INFO L276 IsEmpty]: Start isEmpty. Operand 2760 states and 7192 transitions. [2022-09-16 10:40:22,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-09-16 10:40:22,414 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:22,414 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:22,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-09-16 10:40:22,414 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 10:40:22,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:22,414 INFO L85 PathProgramCache]: Analyzing trace with hash -2050349272, now seen corresponding path program 22 times [2022-09-16 10:40:22,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:22,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890884344] [2022-09-16 10:40:22,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:22,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:23,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:23,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:23,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890884344] [2022-09-16 10:40:23,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890884344] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:23,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:23,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:40:23,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101153058] [2022-09-16 10:40:23,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:23,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:40:23,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:23,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:40:23,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=568, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:40:23,011 INFO L87 Difference]: Start difference. First operand 2760 states and 7192 transitions. Second operand has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:25,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:25,163 INFO L93 Difference]: Finished difference Result 3852 states and 9862 transitions. [2022-09-16 10:40:25,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-09-16 10:40:25,163 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-09-16 10:40:25,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:25,168 INFO L225 Difference]: With dead ends: 3852 [2022-09-16 10:40:25,168 INFO L226 Difference]: Without dead ends: 3852 [2022-09-16 10:40:25,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 467 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=743, Invalid=2119, Unknown=0, NotChecked=0, Total=2862 [2022-09-16 10:40:25,169 INFO L413 NwaCegarLoop]: 186 mSDtfsCounter, 1358 mSDsluCounter, 1330 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1358 SdHoareTripleChecker+Valid, 1491 SdHoareTripleChecker+Invalid, 1011 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:25,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1358 Valid, 1491 Invalid, 1011 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 879 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:40:25,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3852 states. [2022-09-16 10:40:25,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3852 to 2392. [2022-09-16 10:40:25,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2392 states, 2390 states have (on average 2.6217573221757324) internal successors, (6266), 2391 states have internal predecessors, (6266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:25,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 2392 states and 6266 transitions. [2022-09-16 10:40:25,204 INFO L78 Accepts]: Start accepts. Automaton has 2392 states and 6266 transitions. Word has length 110 [2022-09-16 10:40:25,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:25,204 INFO L495 AbstractCegarLoop]: Abstraction has 2392 states and 6266 transitions. [2022-09-16 10:40:25,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:25,204 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 6266 transitions. [2022-09-16 10:40:25,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-09-16 10:40:25,207 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:25,207 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:25,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-09-16 10:40:25,207 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 10:40:25,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:25,207 INFO L85 PathProgramCache]: Analyzing trace with hash -354137120, now seen corresponding path program 23 times [2022-09-16 10:40:25,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:25,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726441476] [2022-09-16 10:40:25,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:25,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:25,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:25,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:25,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726441476] [2022-09-16 10:40:25,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726441476] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:25,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:25,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:40:25,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568909190] [2022-09-16 10:40:25,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:25,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:40:25,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:25,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:40:25,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:40:25,751 INFO L87 Difference]: Start difference. First operand 2392 states and 6266 transitions. Second operand has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:28,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:28,592 INFO L93 Difference]: Finished difference Result 3093 states and 7934 transitions. [2022-09-16 10:40:28,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-09-16 10:40:28,592 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-09-16 10:40:28,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:28,596 INFO L225 Difference]: With dead ends: 3093 [2022-09-16 10:40:28,596 INFO L226 Difference]: Without dead ends: 3093 [2022-09-16 10:40:28,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=671, Invalid=1879, Unknown=0, NotChecked=0, Total=2550 [2022-09-16 10:40:28,596 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 849 mSDsluCounter, 1411 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 849 SdHoareTripleChecker+Valid, 1547 SdHoareTripleChecker+Invalid, 1205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:28,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [849 Valid, 1547 Invalid, 1205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 1106 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:40:28,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3093 states. [2022-09-16 10:40:28,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3093 to 2400. [2022-09-16 10:40:28,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2400 states, 2398 states have (on average 2.621351125938282) internal successors, (6286), 2399 states have internal predecessors, (6286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:28,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2400 states to 2400 states and 6286 transitions. [2022-09-16 10:40:28,625 INFO L78 Accepts]: Start accepts. Automaton has 2400 states and 6286 transitions. Word has length 110 [2022-09-16 10:40:28,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:28,625 INFO L495 AbstractCegarLoop]: Abstraction has 2400 states and 6286 transitions. [2022-09-16 10:40:28,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:28,626 INFO L276 IsEmpty]: Start isEmpty. Operand 2400 states and 6286 transitions. [2022-09-16 10:40:28,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-09-16 10:40:28,628 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:28,628 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:28,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-09-16 10:40:28,628 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 10:40:28,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:28,628 INFO L85 PathProgramCache]: Analyzing trace with hash 903545982, now seen corresponding path program 24 times [2022-09-16 10:40:28,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:28,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310477731] [2022-09-16 10:40:28,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:28,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:29,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:29,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:29,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310477731] [2022-09-16 10:40:29,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310477731] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:29,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:29,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:40:29,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424170231] [2022-09-16 10:40:29,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:29,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:40:29,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:29,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:40:29,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=577, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:40:29,210 INFO L87 Difference]: Start difference. First operand 2400 states and 6286 transitions. Second operand has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:31,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:31,175 INFO L93 Difference]: Finished difference Result 3051 states and 7827 transitions. [2022-09-16 10:40:31,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-09-16 10:40:31,175 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-09-16 10:40:31,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:31,179 INFO L225 Difference]: With dead ends: 3051 [2022-09-16 10:40:31,179 INFO L226 Difference]: Without dead ends: 3051 [2022-09-16 10:40:31,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 344 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=617, Invalid=1833, Unknown=0, NotChecked=0, Total=2450 [2022-09-16 10:40:31,180 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 1002 mSDsluCounter, 1532 mSDsCounter, 0 mSdLazyCounter, 1104 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1002 SdHoareTripleChecker+Valid, 1659 SdHoareTripleChecker+Invalid, 1215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 1104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:31,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1002 Valid, 1659 Invalid, 1215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 1104 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:40:31,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3051 states. [2022-09-16 10:40:31,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3051 to 2398. [2022-09-16 10:40:31,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2398 states, 2396 states have (on average 2.6214524207011687) internal successors, (6281), 2397 states have internal predecessors, (6281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:31,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2398 states to 2398 states and 6281 transitions. [2022-09-16 10:40:31,205 INFO L78 Accepts]: Start accepts. Automaton has 2398 states and 6281 transitions. Word has length 110 [2022-09-16 10:40:31,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:31,205 INFO L495 AbstractCegarLoop]: Abstraction has 2398 states and 6281 transitions. [2022-09-16 10:40:31,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:31,205 INFO L276 IsEmpty]: Start isEmpty. Operand 2398 states and 6281 transitions. [2022-09-16 10:40:31,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-09-16 10:40:31,207 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:31,207 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:31,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-09-16 10:40:31,207 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 10:40:31,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:31,207 INFO L85 PathProgramCache]: Analyzing trace with hash -818203422, now seen corresponding path program 25 times [2022-09-16 10:40:31,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:31,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936406558] [2022-09-16 10:40:31,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:31,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:31,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:31,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:31,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936406558] [2022-09-16 10:40:31,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936406558] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:31,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:31,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:40:31,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802789965] [2022-09-16 10:40:31,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:31,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:40:31,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:31,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:40:31,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:40:31,755 INFO L87 Difference]: Start difference. First operand 2398 states and 6281 transitions. Second operand has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:33,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:33,469 INFO L93 Difference]: Finished difference Result 2949 states and 7594 transitions. [2022-09-16 10:40:33,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-09-16 10:40:33,469 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-09-16 10:40:33,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:33,473 INFO L225 Difference]: With dead ends: 2949 [2022-09-16 10:40:33,473 INFO L226 Difference]: Without dead ends: 2949 [2022-09-16 10:40:33,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 330 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=551, Invalid=1705, Unknown=0, NotChecked=0, Total=2256 [2022-09-16 10:40:33,474 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 928 mSDsluCounter, 1390 mSDsCounter, 0 mSdLazyCounter, 922 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 928 SdHoareTripleChecker+Valid, 1514 SdHoareTripleChecker+Invalid, 1027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:33,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [928 Valid, 1514 Invalid, 1027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 922 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:40:33,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2949 states. [2022-09-16 10:40:33,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2949 to 2398. [2022-09-16 10:40:33,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2398 states, 2396 states have (on average 2.6214524207011687) internal successors, (6281), 2397 states have internal predecessors, (6281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:33,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2398 states to 2398 states and 6281 transitions. [2022-09-16 10:40:33,517 INFO L78 Accepts]: Start accepts. Automaton has 2398 states and 6281 transitions. Word has length 110 [2022-09-16 10:40:33,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:33,517 INFO L495 AbstractCegarLoop]: Abstraction has 2398 states and 6281 transitions. [2022-09-16 10:40:33,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:33,518 INFO L276 IsEmpty]: Start isEmpty. Operand 2398 states and 6281 transitions. [2022-09-16 10:40:33,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-09-16 10:40:33,520 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:33,520 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:33,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-09-16 10:40:33,520 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 10:40:33,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:33,521 INFO L85 PathProgramCache]: Analyzing trace with hash -746787542, now seen corresponding path program 26 times [2022-09-16 10:40:33,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:33,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961476769] [2022-09-16 10:40:33,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:33,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:34,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:34,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:34,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961476769] [2022-09-16 10:40:34,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961476769] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:34,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:34,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-09-16 10:40:34,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108864140] [2022-09-16 10:40:34,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:34,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-09-16 10:40:34,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:34,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-09-16 10:40:34,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=722, Unknown=0, NotChecked=0, Total=812 [2022-09-16 10:40:34,166 INFO L87 Difference]: Start difference. First operand 2398 states and 6281 transitions. Second operand has 29 states, 28 states have (on average 3.9285714285714284) internal successors, (110), 29 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:35,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:35,791 INFO L93 Difference]: Finished difference Result 2671 states and 6877 transitions. [2022-09-16 10:40:35,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-09-16 10:40:35,791 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 3.9285714285714284) internal successors, (110), 29 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-09-16 10:40:35,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:35,795 INFO L225 Difference]: With dead ends: 2671 [2022-09-16 10:40:35,795 INFO L226 Difference]: Without dead ends: 2671 [2022-09-16 10:40:35,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=506, Invalid=1846, Unknown=0, NotChecked=0, Total=2352 [2022-09-16 10:40:35,795 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 749 mSDsluCounter, 1352 mSDsCounter, 0 mSdLazyCounter, 983 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 749 SdHoareTripleChecker+Valid, 1438 SdHoareTripleChecker+Invalid, 1066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:35,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [749 Valid, 1438 Invalid, 1066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 983 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:40:35,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2671 states. [2022-09-16 10:40:35,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2671 to 2374. [2022-09-16 10:40:35,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2374 states, 2372 states have (on average 2.622681281618887) internal successors, (6221), 2373 states have internal predecessors, (6221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:35,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2374 states to 2374 states and 6221 transitions. [2022-09-16 10:40:35,823 INFO L78 Accepts]: Start accepts. Automaton has 2374 states and 6221 transitions. Word has length 110 [2022-09-16 10:40:35,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:35,823 INFO L495 AbstractCegarLoop]: Abstraction has 2374 states and 6221 transitions. [2022-09-16 10:40:35,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 3.9285714285714284) internal successors, (110), 29 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:35,823 INFO L276 IsEmpty]: Start isEmpty. Operand 2374 states and 6221 transitions. [2022-09-16 10:40:35,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-09-16 10:40:35,826 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:35,826 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:35,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-09-16 10:40:35,826 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 10:40:35,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:35,826 INFO L85 PathProgramCache]: Analyzing trace with hash 586080074, now seen corresponding path program 27 times [2022-09-16 10:40:35,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:35,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639417301] [2022-09-16 10:40:35,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:35,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:36,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:36,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:36,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639417301] [2022-09-16 10:40:36,372 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639417301] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:36,372 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:36,372 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:40:36,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086288757] [2022-09-16 10:40:36,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:36,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:40:36,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:36,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:40:36,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:40:36,372 INFO L87 Difference]: Start difference. First operand 2374 states and 6221 transitions. Second operand has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:38,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:38,395 INFO L93 Difference]: Finished difference Result 2743 states and 7027 transitions. [2022-09-16 10:40:38,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-09-16 10:40:38,396 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-09-16 10:40:38,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:38,399 INFO L225 Difference]: With dead ends: 2743 [2022-09-16 10:40:38,399 INFO L226 Difference]: Without dead ends: 2743 [2022-09-16 10:40:38,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=475, Invalid=1417, Unknown=0, NotChecked=0, Total=1892 [2022-09-16 10:40:38,400 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 723 mSDsluCounter, 1175 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 1272 SdHoareTripleChecker+Invalid, 941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:38,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [723 Valid, 1272 Invalid, 941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 862 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:40:38,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2743 states. [2022-09-16 10:40:38,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2743 to 2376. [2022-09-16 10:40:38,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2376 states, 2374 states have (on average 2.6225779275484413) internal successors, (6226), 2375 states have internal predecessors, (6226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:38,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 2376 states and 6226 transitions. [2022-09-16 10:40:38,426 INFO L78 Accepts]: Start accepts. Automaton has 2376 states and 6226 transitions. Word has length 110 [2022-09-16 10:40:38,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:38,426 INFO L495 AbstractCegarLoop]: Abstraction has 2376 states and 6226 transitions. [2022-09-16 10:40:38,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:38,426 INFO L276 IsEmpty]: Start isEmpty. Operand 2376 states and 6226 transitions. [2022-09-16 10:40:38,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-09-16 10:40:38,428 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:38,428 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:38,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-09-16 10:40:38,428 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 10:40:38,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:38,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1843763176, now seen corresponding path program 28 times [2022-09-16 10:40:38,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:38,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143536375] [2022-09-16 10:40:38,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:38,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:38,977 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 10:40:38,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:38,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143536375] [2022-09-16 10:40:38,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143536375] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:38,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:38,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:40:38,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683523555] [2022-09-16 10:40:38,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:38,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:40:38,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:38,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:40:38,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:40:38,978 INFO L87 Difference]: Start difference. First operand 2376 states and 6226 transitions. Second operand has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:40,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:40,388 INFO L93 Difference]: Finished difference Result 2649 states and 6812 transitions. [2022-09-16 10:40:40,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-09-16 10:40:40,388 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-09-16 10:40:40,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:40,392 INFO L225 Difference]: With dead ends: 2649 [2022-09-16 10:40:40,392 INFO L226 Difference]: Without dead ends: 2649 [2022-09-16 10:40:40,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=438, Invalid=1454, Unknown=0, NotChecked=0, Total=1892 [2022-09-16 10:40:40,392 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 965 mSDsluCounter, 1130 mSDsCounter, 0 mSdLazyCounter, 821 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 965 SdHoareTripleChecker+Valid, 1223 SdHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 821 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:40,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [965 Valid, 1223 Invalid, 918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 821 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:40:40,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2649 states. [2022-09-16 10:40:40,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2649 to 2368. [2022-09-16 10:40:40,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2368 states, 2366 states have (on average 2.6229923922231615) internal successors, (6206), 2367 states have internal predecessors, (6206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:40,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 2368 states and 6206 transitions. [2022-09-16 10:40:40,419 INFO L78 Accepts]: Start accepts. Automaton has 2368 states and 6206 transitions. Word has length 110 [2022-09-16 10:40:40,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:40,419 INFO L495 AbstractCegarLoop]: Abstraction has 2368 states and 6206 transitions. [2022-09-16 10:40:40,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.4) internal successors, (110), 26 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:40,419 INFO L276 IsEmpty]: Start isEmpty. Operand 2368 states and 6206 transitions. [2022-09-16 10:40:40,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-09-16 10:40:40,421 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:40,421 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:40,421 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-09-16 10:40:40,421 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 10:40:40,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:40,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1000863304, now seen corresponding path program 29 times [2022-09-16 10:40:40,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:40,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425412776] [2022-09-16 10:40:40,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:40,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:40,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:41,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:41,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:41,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425412776] [2022-09-16 10:40:41,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425412776] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:41,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:41,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:40:41,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104554962] [2022-09-16 10:40:41,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:41,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:40:41,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:41,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:40:41,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:40:41,023 INFO L87 Difference]: Start difference. First operand 2368 states and 6206 transitions. Second operand has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:43,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:43,159 INFO L93 Difference]: Finished difference Result 2641 states and 6786 transitions. [2022-09-16 10:40:43,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-09-16 10:40:43,159 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-09-16 10:40:43,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:43,163 INFO L225 Difference]: With dead ends: 2641 [2022-09-16 10:40:43,163 INFO L226 Difference]: Without dead ends: 2641 [2022-09-16 10:40:43,163 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=503, Invalid=1477, Unknown=0, NotChecked=0, Total=1980 [2022-09-16 10:40:43,163 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 878 mSDsluCounter, 1100 mSDsCounter, 0 mSdLazyCounter, 808 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 878 SdHoareTripleChecker+Valid, 1201 SdHoareTripleChecker+Invalid, 899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:43,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [878 Valid, 1201 Invalid, 899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 808 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:40:43,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2641 states. [2022-09-16 10:40:43,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2641 to 2360. [2022-09-16 10:40:43,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2360 states, 2358 states have (on average 2.623409669211196) internal successors, (6186), 2359 states have internal predecessors, (6186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:43,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 2360 states and 6186 transitions. [2022-09-16 10:40:43,189 INFO L78 Accepts]: Start accepts. Automaton has 2360 states and 6186 transitions. Word has length 110 [2022-09-16 10:40:43,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:43,189 INFO L495 AbstractCegarLoop]: Abstraction has 2360 states and 6186 transitions. [2022-09-16 10:40:43,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:43,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2360 states and 6186 transitions. [2022-09-16 10:40:43,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-09-16 10:40:43,192 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:43,192 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:43,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-09-16 10:40:43,192 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 10:40:43,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:43,192 INFO L85 PathProgramCache]: Analyzing trace with hash -2036420890, now seen corresponding path program 30 times [2022-09-16 10:40:43,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:43,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010516231] [2022-09-16 10:40:43,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:43,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:43,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:43,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:43,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010516231] [2022-09-16 10:40:43,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010516231] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:43,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:43,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:40:43,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824739033] [2022-09-16 10:40:43,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:43,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:40:43,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:43,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:40:43,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=441, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:40:43,838 INFO L87 Difference]: Start difference. First operand 2360 states and 6186 transitions. Second operand has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:45,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:45,767 INFO L93 Difference]: Finished difference Result 2623 states and 6739 transitions. [2022-09-16 10:40:45,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-09-16 10:40:45,768 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-09-16 10:40:45,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:45,771 INFO L225 Difference]: With dead ends: 2623 [2022-09-16 10:40:45,771 INFO L226 Difference]: Without dead ends: 2623 [2022-09-16 10:40:45,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=453, Invalid=1353, Unknown=0, NotChecked=0, Total=1806 [2022-09-16 10:40:45,772 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 923 mSDsluCounter, 1374 mSDsCounter, 0 mSdLazyCounter, 954 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 923 SdHoareTripleChecker+Valid, 1467 SdHoareTripleChecker+Invalid, 1036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:45,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [923 Valid, 1467 Invalid, 1036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 954 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:40:45,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2623 states. [2022-09-16 10:40:45,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2623 to 2358. [2022-09-16 10:40:45,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2358 states, 2356 states have (on average 2.6235144312393888) internal successors, (6181), 2357 states have internal predecessors, (6181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:45,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2358 states to 2358 states and 6181 transitions. [2022-09-16 10:40:45,798 INFO L78 Accepts]: Start accepts. Automaton has 2358 states and 6181 transitions. Word has length 110 [2022-09-16 10:40:45,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:45,798 INFO L495 AbstractCegarLoop]: Abstraction has 2358 states and 6181 transitions. [2022-09-16 10:40:45,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:45,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2358 states and 6181 transitions. [2022-09-16 10:40:45,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-09-16 10:40:45,800 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:45,800 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:45,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-09-16 10:40:45,800 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 10:40:45,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:45,801 INFO L85 PathProgramCache]: Analyzing trace with hash 536797002, now seen corresponding path program 31 times [2022-09-16 10:40:45,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:45,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798255484] [2022-09-16 10:40:45,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:45,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:46,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:46,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:46,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798255484] [2022-09-16 10:40:46,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798255484] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:46,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:46,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-09-16 10:40:46,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219177682] [2022-09-16 10:40:46,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:46,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-09-16 10:40:46,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:46,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-09-16 10:40:46,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506 [2022-09-16 10:40:46,365 INFO L87 Difference]: Start difference. First operand 2358 states and 6181 transitions. Second operand has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:48,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:48,073 INFO L93 Difference]: Finished difference Result 2522 states and 6530 transitions. [2022-09-16 10:40:48,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-09-16 10:40:48,074 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 110 [2022-09-16 10:40:48,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:48,077 INFO L225 Difference]: With dead ends: 2522 [2022-09-16 10:40:48,077 INFO L226 Difference]: Without dead ends: 2522 [2022-09-16 10:40:48,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=429, Invalid=1293, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:40:48,078 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 728 mSDsluCounter, 1059 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 728 SdHoareTripleChecker+Valid, 1157 SdHoareTripleChecker+Invalid, 800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:48,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [728 Valid, 1157 Invalid, 800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 721 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:40:48,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2522 states. [2022-09-16 10:40:48,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2522 to 2259. [2022-09-16 10:40:48,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2259 states, 2258 states have (on average 2.6470327723649247) internal successors, (5977), 2258 states have internal predecessors, (5977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:48,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 2259 states and 5977 transitions. [2022-09-16 10:40:48,100 INFO L78 Accepts]: Start accepts. Automaton has 2259 states and 5977 transitions. Word has length 110 [2022-09-16 10:40:48,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:48,101 INFO L495 AbstractCegarLoop]: Abstraction has 2259 states and 5977 transitions. [2022-09-16 10:40:48,101 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 5.0) internal successors, (110), 23 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:48,101 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 5977 transitions. [2022-09-16 10:40:48,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:40:48,103 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:48,103 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:48,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-09-16 10:40:48,103 INFO L420 AbstractCegarLoop]: === Iteration 98 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:48,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:48,103 INFO L85 PathProgramCache]: Analyzing trace with hash 503533770, now seen corresponding path program 1 times [2022-09-16 10:40:48,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:48,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855176283] [2022-09-16 10:40:48,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:48,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:48,706 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 10:40:48,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:48,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855176283] [2022-09-16 10:40:48,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855176283] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:48,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:48,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:40:48,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685814632] [2022-09-16 10:40:48,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:48,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:40:48,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:48,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:40:48,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=579, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:40:48,708 INFO L87 Difference]: Start difference. First operand 2259 states and 5977 transitions. Second operand has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:50,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:50,312 INFO L93 Difference]: Finished difference Result 3403 states and 8964 transitions. [2022-09-16 10:40:50,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-09-16 10:40:50,313 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:40:50,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:50,317 INFO L225 Difference]: With dead ends: 3403 [2022-09-16 10:40:50,317 INFO L226 Difference]: Without dead ends: 3055 [2022-09-16 10:40:50,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=405, Invalid=1487, Unknown=0, NotChecked=0, Total=1892 [2022-09-16 10:40:50,317 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 1471 mSDsluCounter, 1720 mSDsCounter, 0 mSdLazyCounter, 1009 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1471 SdHoareTripleChecker+Valid, 1873 SdHoareTripleChecker+Invalid, 1155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 1009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:50,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1471 Valid, 1873 Invalid, 1155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 1009 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:40:50,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3055 states. [2022-09-16 10:40:50,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3055 to 2707. [2022-09-16 10:40:50,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2707 states, 2706 states have (on average 2.6485587583148558) internal successors, (7167), 2706 states have internal predecessors, (7167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:50,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2707 states to 2707 states and 7167 transitions. [2022-09-16 10:40:50,350 INFO L78 Accepts]: Start accepts. Automaton has 2707 states and 7167 transitions. Word has length 111 [2022-09-16 10:40:50,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:50,350 INFO L495 AbstractCegarLoop]: Abstraction has 2707 states and 7167 transitions. [2022-09-16 10:40:50,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:50,350 INFO L276 IsEmpty]: Start isEmpty. Operand 2707 states and 7167 transitions. [2022-09-16 10:40:50,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:40:50,353 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:50,353 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:50,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-09-16 10:40:50,353 INFO L420 AbstractCegarLoop]: === Iteration 99 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:50,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:50,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1384848596, now seen corresponding path program 2 times [2022-09-16 10:40:50,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:50,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971988967] [2022-09-16 10:40:50,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:50,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:50,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:50,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:50,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971988967] [2022-09-16 10:40:50,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971988967] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:50,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:50,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:40:50,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859918989] [2022-09-16 10:40:50,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:50,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:40:50,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:50,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:40:50,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:40:50,611 INFO L87 Difference]: Start difference. First operand 2707 states and 7167 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:51,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:51,385 INFO L93 Difference]: Finished difference Result 3888 states and 10125 transitions. [2022-09-16 10:40:51,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 10:40:51,386 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:40:51,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:51,390 INFO L225 Difference]: With dead ends: 3888 [2022-09-16 10:40:51,390 INFO L226 Difference]: Without dead ends: 3420 [2022-09-16 10:40:51,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=251, Invalid=619, Unknown=0, NotChecked=0, Total=870 [2022-09-16 10:40:51,391 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 492 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 651 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 1551 SdHoareTripleChecker+Invalid, 673 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:51,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 1551 Invalid, 673 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 651 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:40:51,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3420 states. [2022-09-16 10:40:51,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3420 to 2679. [2022-09-16 10:40:51,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2679 states, 2678 states have (on average 2.6501120238984317) internal successors, (7097), 2678 states have internal predecessors, (7097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:51,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2679 states to 2679 states and 7097 transitions. [2022-09-16 10:40:51,422 INFO L78 Accepts]: Start accepts. Automaton has 2679 states and 7097 transitions. Word has length 111 [2022-09-16 10:40:51,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:51,422 INFO L495 AbstractCegarLoop]: Abstraction has 2679 states and 7097 transitions. [2022-09-16 10:40:51,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:51,423 INFO L276 IsEmpty]: Start isEmpty. Operand 2679 states and 7097 transitions. [2022-09-16 10:40:51,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:40:51,425 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:51,425 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:51,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-09-16 10:40:51,425 INFO L420 AbstractCegarLoop]: === Iteration 100 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:51,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:51,426 INFO L85 PathProgramCache]: Analyzing trace with hash 118322532, now seen corresponding path program 3 times [2022-09-16 10:40:51,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:51,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634375484] [2022-09-16 10:40:51,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:51,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:51,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:51,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:51,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:51,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634375484] [2022-09-16 10:40:51,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634375484] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:51,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:51,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:40:51,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281829414] [2022-09-16 10:40:51,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:51,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:40:51,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:51,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:40:51,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:40:51,727 INFO L87 Difference]: Start difference. First operand 2679 states and 7097 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:52,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:52,365 INFO L93 Difference]: Finished difference Result 3460 states and 8948 transitions. [2022-09-16 10:40:52,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:40:52,365 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:40:52,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:52,369 INFO L225 Difference]: With dead ends: 3460 [2022-09-16 10:40:52,369 INFO L226 Difference]: Without dead ends: 3000 [2022-09-16 10:40:52,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=216, Invalid=540, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:40:52,370 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 468 mSDsluCounter, 1231 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 1399 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:52,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 1399 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:40:52,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3000 states. [2022-09-16 10:40:52,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3000 to 2343. [2022-09-16 10:40:52,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2343 states, 2342 states have (on average 2.6238257899231425) internal successors, (6145), 2342 states have internal predecessors, (6145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:52,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2343 states to 2343 states and 6145 transitions. [2022-09-16 10:40:52,396 INFO L78 Accepts]: Start accepts. Automaton has 2343 states and 6145 transitions. Word has length 111 [2022-09-16 10:40:52,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:52,396 INFO L495 AbstractCegarLoop]: Abstraction has 2343 states and 6145 transitions. [2022-09-16 10:40:52,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:52,396 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states and 6145 transitions. [2022-09-16 10:40:52,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:40:52,398 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:52,398 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:52,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-09-16 10:40:52,398 INFO L420 AbstractCegarLoop]: === Iteration 101 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:52,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:52,399 INFO L85 PathProgramCache]: Analyzing trace with hash -941235628, now seen corresponding path program 4 times [2022-09-16 10:40:52,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:52,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511862974] [2022-09-16 10:40:52,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:52,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:52,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:53,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:53,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:53,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511862974] [2022-09-16 10:40:53,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511862974] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:53,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:53,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:40:53,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942329884] [2022-09-16 10:40:53,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:53,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:40:53,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:53,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:40:53,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=581, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:40:53,024 INFO L87 Difference]: Start difference. First operand 2343 states and 6145 transitions. Second operand has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:54,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:54,575 INFO L93 Difference]: Finished difference Result 3380 states and 8741 transitions. [2022-09-16 10:40:54,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-09-16 10:40:54,575 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:40:54,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:54,579 INFO L225 Difference]: With dead ends: 3380 [2022-09-16 10:40:54,579 INFO L226 Difference]: Without dead ends: 3032 [2022-09-16 10:40:54,580 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=409, Invalid=1571, Unknown=0, NotChecked=0, Total=1980 [2022-09-16 10:40:54,580 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 1260 mSDsluCounter, 1593 mSDsCounter, 0 mSdLazyCounter, 920 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1260 SdHoareTripleChecker+Valid, 1749 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:54,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1260 Valid, 1749 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 920 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:40:54,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3032 states. [2022-09-16 10:40:54,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3032 to 2455. [2022-09-16 10:40:54,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2455 states, 2454 states have (on average 2.595354523227384) internal successors, (6369), 2454 states have internal predecessors, (6369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:54,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2455 states to 2455 states and 6369 transitions. [2022-09-16 10:40:54,609 INFO L78 Accepts]: Start accepts. Automaton has 2455 states and 6369 transitions. Word has length 111 [2022-09-16 10:40:54,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:54,609 INFO L495 AbstractCegarLoop]: Abstraction has 2455 states and 6369 transitions. [2022-09-16 10:40:54,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:54,609 INFO L276 IsEmpty]: Start isEmpty. Operand 2455 states and 6369 transitions. [2022-09-16 10:40:54,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:40:54,611 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:54,611 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:54,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-09-16 10:40:54,611 INFO L420 AbstractCegarLoop]: === Iteration 102 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:54,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:54,612 INFO L85 PathProgramCache]: Analyzing trace with hash 76072720, now seen corresponding path program 5 times [2022-09-16 10:40:54,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:54,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388184776] [2022-09-16 10:40:54,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:54,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:54,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:54,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:54,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:54,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388184776] [2022-09-16 10:40:54,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388184776] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:54,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:54,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:40:54,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727354880] [2022-09-16 10:40:54,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:54,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:40:54,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:54,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:40:54,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:40:54,859 INFO L87 Difference]: Start difference. First operand 2455 states and 6369 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:55,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:55,851 INFO L93 Difference]: Finished difference Result 4040 states and 10257 transitions. [2022-09-16 10:40:55,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-09-16 10:40:55,852 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:40:55,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:55,857 INFO L225 Difference]: With dead ends: 4040 [2022-09-16 10:40:55,857 INFO L226 Difference]: Without dead ends: 3887 [2022-09-16 10:40:55,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=360, Invalid=762, Unknown=0, NotChecked=0, Total=1122 [2022-09-16 10:40:55,857 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 511 mSDsluCounter, 1526 mSDsCounter, 0 mSdLazyCounter, 702 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 1714 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:55,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 1714 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 702 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:40:55,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3887 states. [2022-09-16 10:40:55,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3887 to 2469. [2022-09-16 10:40:55,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2469 states, 2468 states have (on average 2.618314424635332) internal successors, (6462), 2468 states have internal predecessors, (6462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:55,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2469 states to 2469 states and 6462 transitions. [2022-09-16 10:40:55,890 INFO L78 Accepts]: Start accepts. Automaton has 2469 states and 6462 transitions. Word has length 111 [2022-09-16 10:40:55,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:55,890 INFO L495 AbstractCegarLoop]: Abstraction has 2469 states and 6462 transitions. [2022-09-16 10:40:55,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:55,890 INFO L276 IsEmpty]: Start isEmpty. Operand 2469 states and 6462 transitions. [2022-09-16 10:40:55,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:40:55,893 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:55,893 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:55,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-09-16 10:40:55,893 INFO L420 AbstractCegarLoop]: === Iteration 103 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:55,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:55,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1561903520, now seen corresponding path program 6 times [2022-09-16 10:40:55,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:55,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036163238] [2022-09-16 10:40:55,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:55,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:56,152 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 10:40:56,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:56,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036163238] [2022-09-16 10:40:56,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036163238] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:56,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:56,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:40:56,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150085218] [2022-09-16 10:40:56,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:56,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:40:56,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:56,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:40:56,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:40:56,153 INFO L87 Difference]: Start difference. First operand 2469 states and 6462 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:56,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:56,930 INFO L93 Difference]: Finished difference Result 3586 states and 9228 transitions. [2022-09-16 10:40:56,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:40:56,930 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:40:56,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:56,935 INFO L225 Difference]: With dead ends: 3586 [2022-09-16 10:40:56,935 INFO L226 Difference]: Without dead ends: 3238 [2022-09-16 10:40:56,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=237, Invalid=575, Unknown=0, NotChecked=0, Total=812 [2022-09-16 10:40:56,935 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 479 mSDsluCounter, 1573 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 1758 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:56,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 1758 Invalid, 774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:40:56,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3238 states. [2022-09-16 10:40:56,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3238 to 2525. [2022-09-16 10:40:56,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2525 states, 2524 states have (on average 2.59904912836767) internal successors, (6560), 2524 states have internal predecessors, (6560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:56,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2525 states to 2525 states and 6560 transitions. [2022-09-16 10:40:56,968 INFO L78 Accepts]: Start accepts. Automaton has 2525 states and 6560 transitions. Word has length 111 [2022-09-16 10:40:56,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:56,968 INFO L495 AbstractCegarLoop]: Abstraction has 2525 states and 6560 transitions. [2022-09-16 10:40:56,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:56,968 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 6560 transitions. [2022-09-16 10:40:56,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:40:56,971 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:56,971 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:56,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-09-16 10:40:56,971 INFO L420 AbstractCegarLoop]: === Iteration 104 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:56,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:56,971 INFO L85 PathProgramCache]: Analyzing trace with hash 417837042, now seen corresponding path program 7 times [2022-09-16 10:40:56,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:56,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440646026] [2022-09-16 10:40:56,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:56,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:56,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:57,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:57,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:57,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440646026] [2022-09-16 10:40:57,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440646026] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:57,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:57,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:40:57,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985114408] [2022-09-16 10:40:57,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:57,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:40:57,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:57,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:40:57,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:40:57,231 INFO L87 Difference]: Start difference. First operand 2525 states and 6560 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:57,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:57,941 INFO L93 Difference]: Finished difference Result 3322 states and 8494 transitions. [2022-09-16 10:40:57,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 10:40:57,941 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:40:57,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:57,945 INFO L225 Difference]: With dead ends: 3322 [2022-09-16 10:40:57,945 INFO L226 Difference]: Without dead ends: 3190 [2022-09-16 10:40:57,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=245, Invalid=625, Unknown=0, NotChecked=0, Total=870 [2022-09-16 10:40:57,946 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 404 mSDsluCounter, 1119 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 1298 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:57,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 1298 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:40:57,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3190 states. [2022-09-16 10:40:57,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3190 to 2469. [2022-09-16 10:40:57,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2469 states, 2468 states have (on average 2.606969205834684) internal successors, (6434), 2468 states have internal predecessors, (6434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:57,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2469 states to 2469 states and 6434 transitions. [2022-09-16 10:40:57,976 INFO L78 Accepts]: Start accepts. Automaton has 2469 states and 6434 transitions. Word has length 111 [2022-09-16 10:40:57,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:57,977 INFO L495 AbstractCegarLoop]: Abstraction has 2469 states and 6434 transitions. [2022-09-16 10:40:57,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:57,977 INFO L276 IsEmpty]: Start isEmpty. Operand 2469 states and 6434 transitions. [2022-09-16 10:40:57,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:40:57,979 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:57,979 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:57,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-09-16 10:40:57,980 INFO L420 AbstractCegarLoop]: === Iteration 105 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:40:57,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:57,980 INFO L85 PathProgramCache]: Analyzing trace with hash -2109319054, now seen corresponding path program 8 times [2022-09-16 10:40:57,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:57,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002892764] [2022-09-16 10:40:57,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:57,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:58,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:58,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:58,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002892764] [2022-09-16 10:40:58,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002892764] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:58,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:58,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:40:58,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484466288] [2022-09-16 10:40:58,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:58,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:40:58,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:58,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:40:58,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=583, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:40:58,606 INFO L87 Difference]: Start difference. First operand 2469 states and 6434 transitions. Second operand has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:00,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:00,256 INFO L93 Difference]: Finished difference Result 2806 states and 7205 transitions. [2022-09-16 10:41:00,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-09-16 10:41:00,256 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:00,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:00,260 INFO L225 Difference]: With dead ends: 2806 [2022-09-16 10:41:00,260 INFO L226 Difference]: Without dead ends: 2723 [2022-09-16 10:41:00,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=407, Invalid=1573, Unknown=0, NotChecked=0, Total=1980 [2022-09-16 10:41:00,261 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 1075 mSDsluCounter, 1656 mSDsCounter, 0 mSdLazyCounter, 1061 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1075 SdHoareTripleChecker+Valid, 1781 SdHoareTripleChecker+Invalid, 1165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 1061 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:00,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1075 Valid, 1781 Invalid, 1165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 1061 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:41:00,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2723 states. [2022-09-16 10:41:00,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2723 to 2475. [2022-09-16 10:41:00,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2475 states, 2474 states have (on average 2.6059013742926433) internal successors, (6447), 2474 states have internal predecessors, (6447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:00,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 2475 states and 6447 transitions. [2022-09-16 10:41:00,291 INFO L78 Accepts]: Start accepts. Automaton has 2475 states and 6447 transitions. Word has length 111 [2022-09-16 10:41:00,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:00,291 INFO L495 AbstractCegarLoop]: Abstraction has 2475 states and 6447 transitions. [2022-09-16 10:41:00,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:00,291 INFO L276 IsEmpty]: Start isEmpty. Operand 2475 states and 6447 transitions. [2022-09-16 10:41:00,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:00,294 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:00,294 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:00,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-09-16 10:41:00,294 INFO L420 AbstractCegarLoop]: === Iteration 106 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:00,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:00,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1061152346, now seen corresponding path program 9 times [2022-09-16 10:41:00,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:00,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193729429] [2022-09-16 10:41:00,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:00,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:00,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:00,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:00,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193729429] [2022-09-16 10:41:00,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193729429] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:00,925 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:00,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:41:00,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983172985] [2022-09-16 10:41:00,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:00,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:41:00,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:00,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:41:00,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:41:00,926 INFO L87 Difference]: Start difference. First operand 2475 states and 6447 transitions. Second operand has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:02,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:02,509 INFO L93 Difference]: Finished difference Result 2719 states and 7032 transitions. [2022-09-16 10:41:02,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-09-16 10:41:02,510 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:02,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:02,513 INFO L225 Difference]: With dead ends: 2719 [2022-09-16 10:41:02,513 INFO L226 Difference]: Without dead ends: 2579 [2022-09-16 10:41:02,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 276 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=377, Invalid=1429, Unknown=0, NotChecked=0, Total=1806 [2022-09-16 10:41:02,513 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 1304 mSDsluCounter, 1613 mSDsCounter, 0 mSdLazyCounter, 1051 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1304 SdHoareTripleChecker+Valid, 1743 SdHoareTripleChecker+Invalid, 1170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 1051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:02,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1304 Valid, 1743 Invalid, 1170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 1051 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:41:02,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2022-09-16 10:41:02,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 2427. [2022-09-16 10:41:02,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2427 states, 2426 states have (on average 2.617477328936521) internal successors, (6350), 2426 states have internal predecessors, (6350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:02,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2427 states to 2427 states and 6350 transitions. [2022-09-16 10:41:02,539 INFO L78 Accepts]: Start accepts. Automaton has 2427 states and 6350 transitions. Word has length 111 [2022-09-16 10:41:02,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:02,539 INFO L495 AbstractCegarLoop]: Abstraction has 2427 states and 6350 transitions. [2022-09-16 10:41:02,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:02,539 INFO L276 IsEmpty]: Start isEmpty. Operand 2427 states and 6350 transitions. [2022-09-16 10:41:02,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:02,542 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:02,542 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:02,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-09-16 10:41:02,542 INFO L420 AbstractCegarLoop]: === Iteration 107 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:02,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:02,543 INFO L85 PathProgramCache]: Analyzing trace with hash 2104624486, now seen corresponding path program 10 times [2022-09-16 10:41:02,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:02,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829617998] [2022-09-16 10:41:02,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:02,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:02,796 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 10:41:02,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:02,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829617998] [2022-09-16 10:41:02,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829617998] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:02,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:02,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:41:02,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505384822] [2022-09-16 10:41:02,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:02,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:41:02,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:02,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:41:02,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:41:02,798 INFO L87 Difference]: Start difference. First operand 2427 states and 6350 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:03,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:03,416 INFO L93 Difference]: Finished difference Result 3317 states and 8425 transitions. [2022-09-16 10:41:03,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:41:03,416 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:03,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:03,421 INFO L225 Difference]: With dead ends: 3317 [2022-09-16 10:41:03,421 INFO L226 Difference]: Without dead ends: 3193 [2022-09-16 10:41:03,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=216, Invalid=540, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:41:03,421 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 458 mSDsluCounter, 1168 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 1333 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:03,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 1333 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:03,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3193 states. [2022-09-16 10:41:03,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3193 to 2439. [2022-09-16 10:41:03,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2439 states, 2438 states have (on average 2.6119770303527483) internal successors, (6368), 2438 states have internal predecessors, (6368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:03,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 2439 states and 6368 transitions. [2022-09-16 10:41:03,452 INFO L78 Accepts]: Start accepts. Automaton has 2439 states and 6368 transitions. Word has length 111 [2022-09-16 10:41:03,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:03,453 INFO L495 AbstractCegarLoop]: Abstraction has 2439 states and 6368 transitions. [2022-09-16 10:41:03,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:03,453 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 6368 transitions. [2022-09-16 10:41:03,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:03,455 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:03,455 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:03,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-09-16 10:41:03,455 INFO L420 AbstractCegarLoop]: === Iteration 108 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:03,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:03,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1709520538, now seen corresponding path program 11 times [2022-09-16 10:41:03,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:03,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242876733] [2022-09-16 10:41:03,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:03,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:03,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:03,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:03,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242876733] [2022-09-16 10:41:03,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242876733] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:03,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:03,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:41:03,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75852080] [2022-09-16 10:41:03,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:03,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:41:03,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:03,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:41:03,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:41:03,726 INFO L87 Difference]: Start difference. First operand 2439 states and 6368 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:04,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:04,355 INFO L93 Difference]: Finished difference Result 3278 states and 8325 transitions. [2022-09-16 10:41:04,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:41:04,355 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:04,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:04,359 INFO L225 Difference]: With dead ends: 3278 [2022-09-16 10:41:04,359 INFO L226 Difference]: Without dead ends: 3195 [2022-09-16 10:41:04,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=237, Invalid=575, Unknown=0, NotChecked=0, Total=812 [2022-09-16 10:41:04,360 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 486 mSDsluCounter, 1117 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 486 SdHoareTripleChecker+Valid, 1279 SdHoareTripleChecker+Invalid, 498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:04,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [486 Valid, 1279 Invalid, 498 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:41:04,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3195 states. [2022-09-16 10:41:04,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3195 to 2441. [2022-09-16 10:41:04,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2441 states, 2440 states have (on average 2.611065573770492) internal successors, (6371), 2440 states have internal predecessors, (6371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:04,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2441 states to 2441 states and 6371 transitions. [2022-09-16 10:41:04,388 INFO L78 Accepts]: Start accepts. Automaton has 2441 states and 6371 transitions. Word has length 111 [2022-09-16 10:41:04,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:04,388 INFO L495 AbstractCegarLoop]: Abstraction has 2441 states and 6371 transitions. [2022-09-16 10:41:04,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:04,389 INFO L276 IsEmpty]: Start isEmpty. Operand 2441 states and 6371 transitions. [2022-09-16 10:41:04,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:04,391 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:04,391 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:04,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2022-09-16 10:41:04,391 INFO L420 AbstractCegarLoop]: === Iteration 109 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:04,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:04,391 INFO L85 PathProgramCache]: Analyzing trace with hash -661353830, now seen corresponding path program 12 times [2022-09-16 10:41:04,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:04,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560290073] [2022-09-16 10:41:04,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:04,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:04,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:04,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:04,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560290073] [2022-09-16 10:41:04,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560290073] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:04,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:04,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:41:04,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206444296] [2022-09-16 10:41:04,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:04,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:41:04,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:04,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:41:04,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:41:04,629 INFO L87 Difference]: Start difference. First operand 2441 states and 6371 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:05,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:05,233 INFO L93 Difference]: Finished difference Result 3191 states and 8152 transitions. [2022-09-16 10:41:05,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:41:05,233 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:05,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:05,237 INFO L225 Difference]: With dead ends: 3191 [2022-09-16 10:41:05,237 INFO L226 Difference]: Without dead ends: 3045 [2022-09-16 10:41:05,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=211, Invalid=545, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:41:05,238 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 458 mSDsluCounter, 1110 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 1270 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:05,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 1270 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:05,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3045 states. [2022-09-16 10:41:05,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3045 to 2371. [2022-09-16 10:41:05,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2371 states, 2370 states have (on average 2.6135021097046414) internal successors, (6194), 2370 states have internal predecessors, (6194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:05,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 2371 states and 6194 transitions. [2022-09-16 10:41:05,267 INFO L78 Accepts]: Start accepts. Automaton has 2371 states and 6194 transitions. Word has length 111 [2022-09-16 10:41:05,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:05,267 INFO L495 AbstractCegarLoop]: Abstraction has 2371 states and 6194 transitions. [2022-09-16 10:41:05,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:05,268 INFO L276 IsEmpty]: Start isEmpty. Operand 2371 states and 6194 transitions. [2022-09-16 10:41:05,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:05,270 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:05,270 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:05,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2022-09-16 10:41:05,270 INFO L420 AbstractCegarLoop]: === Iteration 110 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:05,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:05,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1777164256, now seen corresponding path program 13 times [2022-09-16 10:41:05,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:05,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080460182] [2022-09-16 10:41:05,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:05,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:05,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:05,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:05,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080460182] [2022-09-16 10:41:05,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080460182] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:05,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:05,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:41:05,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456445749] [2022-09-16 10:41:05,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:05,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:41:05,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:05,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:41:05,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=581, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:41:05,818 INFO L87 Difference]: Start difference. First operand 2371 states and 6194 transitions. Second operand has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:07,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:07,462 INFO L93 Difference]: Finished difference Result 2973 states and 7588 transitions. [2022-09-16 10:41:07,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-09-16 10:41:07,462 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:07,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:07,466 INFO L225 Difference]: With dead ends: 2973 [2022-09-16 10:41:07,466 INFO L226 Difference]: Without dead ends: 2625 [2022-09-16 10:41:07,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=409, Invalid=1571, Unknown=0, NotChecked=0, Total=1980 [2022-09-16 10:41:07,466 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 1842 mSDsluCounter, 2115 mSDsCounter, 0 mSdLazyCounter, 1136 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1842 SdHoareTripleChecker+Valid, 2251 SdHoareTripleChecker+Invalid, 1326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 1136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:07,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1842 Valid, 2251 Invalid, 1326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 1136 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:41:07,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2625 states. [2022-09-16 10:41:07,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2625 to 2441. [2022-09-16 10:41:07,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2441 states, 2440 states have (on average 2.5901639344262297) internal successors, (6320), 2440 states have internal predecessors, (6320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:07,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2441 states to 2441 states and 6320 transitions. [2022-09-16 10:41:07,494 INFO L78 Accepts]: Start accepts. Automaton has 2441 states and 6320 transitions. Word has length 111 [2022-09-16 10:41:07,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:07,494 INFO L495 AbstractCegarLoop]: Abstraction has 2441 states and 6320 transitions. [2022-09-16 10:41:07,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:07,494 INFO L276 IsEmpty]: Start isEmpty. Operand 2441 states and 6320 transitions. [2022-09-16 10:41:07,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:07,496 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:07,496 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:07,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2022-09-16 10:41:07,496 INFO L420 AbstractCegarLoop]: === Iteration 111 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:07,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:07,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1500494692, now seen corresponding path program 14 times [2022-09-16 10:41:07,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:07,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557936222] [2022-09-16 10:41:07,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:07,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:08,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:08,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:08,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557936222] [2022-09-16 10:41:08,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557936222] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:08,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:08,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-09-16 10:41:08,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019027503] [2022-09-16 10:41:08,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:08,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-09-16 10:41:08,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:08,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-09-16 10:41:08,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=622, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:41:08,166 INFO L87 Difference]: Start difference. First operand 2441 states and 6320 transitions. Second operand has 27 states, 26 states have (on average 4.269230769230769) internal successors, (111), 27 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:13,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:13,280 INFO L93 Difference]: Finished difference Result 2858 states and 7195 transitions. [2022-09-16 10:41:13,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-09-16 10:41:13,280 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.269230769230769) internal successors, (111), 27 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:13,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:13,283 INFO L225 Difference]: With dead ends: 2858 [2022-09-16 10:41:13,283 INFO L226 Difference]: Without dead ends: 2705 [2022-09-16 10:41:13,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1128 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=1447, Invalid=4253, Unknown=0, NotChecked=0, Total=5700 [2022-09-16 10:41:13,283 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 1884 mSDsluCounter, 2762 mSDsCounter, 0 mSdLazyCounter, 1851 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1884 SdHoareTripleChecker+Valid, 2970 SdHoareTripleChecker+Invalid, 2065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 1851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:13,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1884 Valid, 2970 Invalid, 2065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 1851 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-09-16 10:41:13,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2705 states. [2022-09-16 10:41:13,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2705 to 2371. [2022-09-16 10:41:13,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2371 states, 2370 states have (on average 2.5839662447257385) internal successors, (6124), 2370 states have internal predecessors, (6124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:13,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 2371 states and 6124 transitions. [2022-09-16 10:41:13,306 INFO L78 Accepts]: Start accepts. Automaton has 2371 states and 6124 transitions. Word has length 111 [2022-09-16 10:41:13,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:13,306 INFO L495 AbstractCegarLoop]: Abstraction has 2371 states and 6124 transitions. [2022-09-16 10:41:13,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.269230769230769) internal successors, (111), 27 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:13,307 INFO L276 IsEmpty]: Start isEmpty. Operand 2371 states and 6124 transitions. [2022-09-16 10:41:13,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:13,309 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:13,309 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:13,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2022-09-16 10:41:13,309 INFO L420 AbstractCegarLoop]: === Iteration 112 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:13,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:13,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1368341932, now seen corresponding path program 15 times [2022-09-16 10:41:13,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:13,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111459783] [2022-09-16 10:41:13,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:13,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:13,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:13,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:13,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111459783] [2022-09-16 10:41:13,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111459783] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:13,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:13,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:41:13,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896784238] [2022-09-16 10:41:13,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:13,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:41:13,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:13,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:41:13,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:41:13,553 INFO L87 Difference]: Start difference. First operand 2371 states and 6124 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:14,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:14,348 INFO L93 Difference]: Finished difference Result 2889 states and 7282 transitions. [2022-09-16 10:41:14,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-09-16 10:41:14,349 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:14,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:14,352 INFO L225 Difference]: With dead ends: 2889 [2022-09-16 10:41:14,352 INFO L226 Difference]: Without dead ends: 2546 [2022-09-16 10:41:14,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=283, Invalid=647, Unknown=0, NotChecked=0, Total=930 [2022-09-16 10:41:14,353 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 462 mSDsluCounter, 1569 mSDsCounter, 0 mSdLazyCounter, 703 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 1723 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:14,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 1723 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 703 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:14,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2546 states. [2022-09-16 10:41:14,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2546 to 2371. [2022-09-16 10:41:14,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2371 states, 2370 states have (on average 2.5658227848101265) internal successors, (6081), 2370 states have internal predecessors, (6081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:14,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 2371 states and 6081 transitions. [2022-09-16 10:41:14,383 INFO L78 Accepts]: Start accepts. Automaton has 2371 states and 6081 transitions. Word has length 111 [2022-09-16 10:41:14,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:14,383 INFO L495 AbstractCegarLoop]: Abstraction has 2371 states and 6081 transitions. [2022-09-16 10:41:14,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:14,383 INFO L276 IsEmpty]: Start isEmpty. Operand 2371 states and 6081 transitions. [2022-09-16 10:41:14,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:14,386 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:14,386 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:14,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2022-09-16 10:41:14,386 INFO L420 AbstractCegarLoop]: === Iteration 113 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:14,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:14,386 INFO L85 PathProgramCache]: Analyzing trace with hash -313524746, now seen corresponding path program 16 times [2022-09-16 10:41:14,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:14,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545931047] [2022-09-16 10:41:14,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:14,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:14,930 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 10:41:14,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:14,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545931047] [2022-09-16 10:41:14,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545931047] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:14,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:14,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:41:14,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284553007] [2022-09-16 10:41:14,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:14,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:41:14,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:14,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:41:14,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=581, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:41:14,931 INFO L87 Difference]: Start difference. First operand 2371 states and 6081 transitions. Second operand has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:16,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:16,656 INFO L93 Difference]: Finished difference Result 3342 states and 8460 transitions. [2022-09-16 10:41:16,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-09-16 10:41:16,656 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:16,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:16,660 INFO L225 Difference]: With dead ends: 3342 [2022-09-16 10:41:16,660 INFO L226 Difference]: Without dead ends: 2924 [2022-09-16 10:41:16,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=405, Invalid=1575, Unknown=0, NotChecked=0, Total=1980 [2022-09-16 10:41:16,661 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 1436 mSDsluCounter, 2346 mSDsCounter, 0 mSdLazyCounter, 1318 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1436 SdHoareTripleChecker+Valid, 2482 SdHoareTripleChecker+Invalid, 1455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 1318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:16,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1436 Valid, 2482 Invalid, 1455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 1318 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:41:16,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2924 states. [2022-09-16 10:41:16,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2924 to 2385. [2022-09-16 10:41:16,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2385 states, 2384 states have (on average 2.535234899328859) internal successors, (6044), 2384 states have internal predecessors, (6044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:16,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2385 states to 2385 states and 6044 transitions. [2022-09-16 10:41:16,690 INFO L78 Accepts]: Start accepts. Automaton has 2385 states and 6044 transitions. Word has length 111 [2022-09-16 10:41:16,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:16,690 INFO L495 AbstractCegarLoop]: Abstraction has 2385 states and 6044 transitions. [2022-09-16 10:41:16,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:16,690 INFO L276 IsEmpty]: Start isEmpty. Operand 2385 states and 6044 transitions. [2022-09-16 10:41:16,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:16,692 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:16,692 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:16,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2022-09-16 10:41:16,692 INFO L420 AbstractCegarLoop]: === Iteration 114 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:16,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:16,693 INFO L85 PathProgramCache]: Analyzing trace with hash 703783602, now seen corresponding path program 17 times [2022-09-16 10:41:16,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:16,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460953091] [2022-09-16 10:41:16,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:16,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:16,949 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 10:41:16,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:16,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460953091] [2022-09-16 10:41:16,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460953091] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:16,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:16,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:41:16,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286266962] [2022-09-16 10:41:16,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:16,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:41:16,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:16,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:41:16,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:41:16,950 INFO L87 Difference]: Start difference. First operand 2385 states and 6044 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:17,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:17,794 INFO L93 Difference]: Finished difference Result 2995 states and 7472 transitions. [2022-09-16 10:41:17,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-09-16 10:41:17,794 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:17,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:17,798 INFO L225 Difference]: With dead ends: 2995 [2022-09-16 10:41:17,798 INFO L226 Difference]: Without dead ends: 2842 [2022-09-16 10:41:17,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=296, Invalid=696, Unknown=0, NotChecked=0, Total=992 [2022-09-16 10:41:17,799 INFO L413 NwaCegarLoop]: 205 mSDtfsCounter, 528 mSDsluCounter, 1364 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 528 SdHoareTripleChecker+Valid, 1540 SdHoareTripleChecker+Invalid, 642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:17,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [528 Valid, 1540 Invalid, 642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:17,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2842 states. [2022-09-16 10:41:17,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2842 to 2315. [2022-09-16 10:41:17,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2315 states, 2314 states have (on average 2.5514261019878997) internal successors, (5904), 2314 states have internal predecessors, (5904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:17,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 2315 states and 5904 transitions. [2022-09-16 10:41:17,824 INFO L78 Accepts]: Start accepts. Automaton has 2315 states and 5904 transitions. Word has length 111 [2022-09-16 10:41:17,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:17,825 INFO L495 AbstractCegarLoop]: Abstraction has 2315 states and 5904 transitions. [2022-09-16 10:41:17,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:17,825 INFO L276 IsEmpty]: Start isEmpty. Operand 2315 states and 5904 transitions. [2022-09-16 10:41:17,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:17,827 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:17,827 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:17,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2022-09-16 10:41:17,827 INFO L420 AbstractCegarLoop]: === Iteration 115 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:17,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:17,827 INFO L85 PathProgramCache]: Analyzing trace with hash -2105352894, now seen corresponding path program 18 times [2022-09-16 10:41:17,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:17,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029380424] [2022-09-16 10:41:17,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:17,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:18,419 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 10:41:18,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:18,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029380424] [2022-09-16 10:41:18,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029380424] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:18,420 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:18,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:41:18,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776699447] [2022-09-16 10:41:18,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:18,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:41:18,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:18,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:41:18,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=579, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:41:18,420 INFO L87 Difference]: Start difference. First operand 2315 states and 5904 transitions. Second operand has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:20,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:20,094 INFO L93 Difference]: Finished difference Result 2867 states and 7212 transitions. [2022-09-16 10:41:20,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-09-16 10:41:20,095 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:20,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:20,098 INFO L225 Difference]: With dead ends: 2867 [2022-09-16 10:41:20,098 INFO L226 Difference]: Without dead ends: 2519 [2022-09-16 10:41:20,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=409, Invalid=1571, Unknown=0, NotChecked=0, Total=1980 [2022-09-16 10:41:20,099 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 1554 mSDsluCounter, 2035 mSDsCounter, 0 mSdLazyCounter, 1174 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1554 SdHoareTripleChecker+Valid, 2189 SdHoareTripleChecker+Invalid, 1313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 1174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:20,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1554 Valid, 2189 Invalid, 1313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 1174 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:41:20,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2519 states. [2022-09-16 10:41:20,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2519 to 2371. [2022-09-16 10:41:20,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2371 states, 2370 states have (on average 2.5324894514767933) internal successors, (6002), 2370 states have internal predecessors, (6002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:20,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 2371 states and 6002 transitions. [2022-09-16 10:41:20,124 INFO L78 Accepts]: Start accepts. Automaton has 2371 states and 6002 transitions. Word has length 111 [2022-09-16 10:41:20,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:20,124 INFO L495 AbstractCegarLoop]: Abstraction has 2371 states and 6002 transitions. [2022-09-16 10:41:20,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:20,124 INFO L276 IsEmpty]: Start isEmpty. Operand 2371 states and 6002 transitions. [2022-09-16 10:41:20,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:20,127 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:20,127 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:20,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2022-09-16 10:41:20,127 INFO L420 AbstractCegarLoop]: === Iteration 116 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:20,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:20,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1045547924, now seen corresponding path program 19 times [2022-09-16 10:41:20,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:20,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293912556] [2022-09-16 10:41:20,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:20,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:20,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:20,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:20,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293912556] [2022-09-16 10:41:20,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293912556] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:20,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:20,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:41:20,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133479124] [2022-09-16 10:41:20,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:20,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:41:20,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:20,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:41:20,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:41:20,414 INFO L87 Difference]: Start difference. First operand 2371 states and 6002 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:21,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:21,120 INFO L93 Difference]: Finished difference Result 2511 states and 6290 transitions. [2022-09-16 10:41:21,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 10:41:21,120 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:21,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:21,123 INFO L225 Difference]: With dead ends: 2511 [2022-09-16 10:41:21,123 INFO L226 Difference]: Without dead ends: 2379 [2022-09-16 10:41:21,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=240, Invalid=630, Unknown=0, NotChecked=0, Total=870 [2022-09-16 10:41:21,124 INFO L413 NwaCegarLoop]: 196 mSDtfsCounter, 385 mSDsluCounter, 1383 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 1557 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:21,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 1557 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:21,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2379 states. [2022-09-16 10:41:21,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2379 to 2301. [2022-09-16 10:41:21,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2301 states, 2300 states have (on average 2.554782608695652) internal successors, (5876), 2300 states have internal predecessors, (5876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:21,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2301 states to 2301 states and 5876 transitions. [2022-09-16 10:41:21,147 INFO L78 Accepts]: Start accepts. Automaton has 2301 states and 5876 transitions. Word has length 111 [2022-09-16 10:41:21,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:21,148 INFO L495 AbstractCegarLoop]: Abstraction has 2301 states and 5876 transitions. [2022-09-16 10:41:21,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:21,148 INFO L276 IsEmpty]: Start isEmpty. Operand 2301 states and 5876 transitions. [2022-09-16 10:41:21,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:21,150 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:21,150 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:21,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2022-09-16 10:41:21,150 INFO L420 AbstractCegarLoop]: === Iteration 117 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:21,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:21,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1481608172, now seen corresponding path program 20 times [2022-09-16 10:41:21,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:21,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961600640] [2022-09-16 10:41:21,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:21,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:21,435 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 10:41:21,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:21,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961600640] [2022-09-16 10:41:21,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961600640] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:21,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:21,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:41:21,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168551092] [2022-09-16 10:41:21,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:21,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:41:21,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:21,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:41:21,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:41:21,436 INFO L87 Difference]: Start difference. First operand 2301 states and 5876 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:22,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:22,146 INFO L93 Difference]: Finished difference Result 2500 states and 6261 transitions. [2022-09-16 10:41:22,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:41:22,146 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:22,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:22,149 INFO L225 Difference]: With dead ends: 2500 [2022-09-16 10:41:22,149 INFO L226 Difference]: Without dead ends: 2417 [2022-09-16 10:41:22,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=222, Invalid=590, Unknown=0, NotChecked=0, Total=812 [2022-09-16 10:41:22,150 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 378 mSDsluCounter, 1573 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 1737 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:22,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 1737 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 680 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:22,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2417 states. [2022-09-16 10:41:22,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2417 to 2317. [2022-09-16 10:41:22,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2317 states, 2316 states have (on average 2.5444732297063903) internal successors, (5893), 2316 states have internal predecessors, (5893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:22,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2317 states to 2317 states and 5893 transitions. [2022-09-16 10:41:22,173 INFO L78 Accepts]: Start accepts. Automaton has 2317 states and 5893 transitions. Word has length 111 [2022-09-16 10:41:22,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:22,173 INFO L495 AbstractCegarLoop]: Abstraction has 2317 states and 5893 transitions. [2022-09-16 10:41:22,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:22,173 INFO L276 IsEmpty]: Start isEmpty. Operand 2317 states and 5893 transitions. [2022-09-16 10:41:22,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:22,176 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:22,176 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:22,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2022-09-16 10:41:22,176 INFO L420 AbstractCegarLoop]: === Iteration 118 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:22,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:22,177 INFO L85 PathProgramCache]: Analyzing trace with hash -433441464, now seen corresponding path program 21 times [2022-09-16 10:41:22,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:22,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322140709] [2022-09-16 10:41:22,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:22,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:22,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:22,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:22,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322140709] [2022-09-16 10:41:22,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322140709] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:22,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:22,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:41:22,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505102076] [2022-09-16 10:41:22,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:22,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:41:22,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:22,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:41:22,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:41:22,427 INFO L87 Difference]: Start difference. First operand 2317 states and 5893 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:23,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:23,019 INFO L93 Difference]: Finished difference Result 2413 states and 6088 transitions. [2022-09-16 10:41:23,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:41:23,020 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:23,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:23,022 INFO L225 Difference]: With dead ends: 2413 [2022-09-16 10:41:23,023 INFO L226 Difference]: Without dead ends: 2321 [2022-09-16 10:41:23,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=202, Invalid=554, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:41:23,023 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 384 mSDsluCounter, 1254 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 1422 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:23,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 1422 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:23,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2321 states. [2022-09-16 10:41:23,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2321 to 2301. [2022-09-16 10:41:23,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2301 states, 2300 states have (on average 2.548695652173913) internal successors, (5862), 2300 states have internal predecessors, (5862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:23,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2301 states to 2301 states and 5862 transitions. [2022-09-16 10:41:23,046 INFO L78 Accepts]: Start accepts. Automaton has 2301 states and 5862 transitions. Word has length 111 [2022-09-16 10:41:23,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:23,046 INFO L495 AbstractCegarLoop]: Abstraction has 2301 states and 5862 transitions. [2022-09-16 10:41:23,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:23,046 INFO L276 IsEmpty]: Start isEmpty. Operand 2301 states and 5862 transitions. [2022-09-16 10:41:23,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:23,048 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:23,048 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:23,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2022-09-16 10:41:23,048 INFO L420 AbstractCegarLoop]: === Iteration 119 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:23,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:23,049 INFO L85 PathProgramCache]: Analyzing trace with hash -396010190, now seen corresponding path program 22 times [2022-09-16 10:41:23,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:23,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566373308] [2022-09-16 10:41:23,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:23,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:23,286 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 10:41:23,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:23,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566373308] [2022-09-16 10:41:23,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566373308] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:23,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:23,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:41:23,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431784883] [2022-09-16 10:41:23,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:23,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:41:23,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:23,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:41:23,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:41:23,287 INFO L87 Difference]: Start difference. First operand 2301 states and 5862 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:23,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:23,975 INFO L93 Difference]: Finished difference Result 2548 states and 6372 transitions. [2022-09-16 10:41:23,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 10:41:23,975 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:23,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:23,978 INFO L225 Difference]: With dead ends: 2548 [2022-09-16 10:41:23,978 INFO L226 Difference]: Without dead ends: 2420 [2022-09-16 10:41:23,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=246, Invalid=624, Unknown=0, NotChecked=0, Total=870 [2022-09-16 10:41:23,979 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 490 mSDsluCounter, 1180 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 1330 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:23,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 1330 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:23,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2420 states. [2022-09-16 10:41:23,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2420 to 2307. [2022-09-16 10:41:23,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2307 states, 2306 states have (on average 2.5459670424978316) internal successors, (5871), 2306 states have internal predecessors, (5871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:24,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 2307 states and 5871 transitions. [2022-09-16 10:41:24,000 INFO L78 Accepts]: Start accepts. Automaton has 2307 states and 5871 transitions. Word has length 111 [2022-09-16 10:41:24,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:24,000 INFO L495 AbstractCegarLoop]: Abstraction has 2307 states and 5871 transitions. [2022-09-16 10:41:24,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:24,001 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 5871 transitions. [2022-09-16 10:41:24,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:24,002 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:24,003 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:24,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2022-09-16 10:41:24,003 INFO L420 AbstractCegarLoop]: === Iteration 120 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:24,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:24,003 INFO L85 PathProgramCache]: Analyzing trace with hash 328321372, now seen corresponding path program 23 times [2022-09-16 10:41:24,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:24,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802817996] [2022-09-16 10:41:24,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:24,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:24,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:24,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:24,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:24,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802817996] [2022-09-16 10:41:24,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802817996] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:24,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:24,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-09-16 10:41:24,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441641156] [2022-09-16 10:41:24,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:24,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-09-16 10:41:24,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:24,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-09-16 10:41:24,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=631, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:41:24,700 INFO L87 Difference]: Start difference. First operand 2307 states and 5871 transitions. Second operand has 27 states, 26 states have (on average 4.269230769230769) internal successors, (111), 27 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:26,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:26,978 INFO L93 Difference]: Finished difference Result 2556 states and 6402 transitions. [2022-09-16 10:41:26,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-09-16 10:41:26,978 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.269230769230769) internal successors, (111), 27 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:26,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:26,981 INFO L225 Difference]: With dead ends: 2556 [2022-09-16 10:41:26,981 INFO L226 Difference]: Without dead ends: 2473 [2022-09-16 10:41:26,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 391 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=493, Invalid=1859, Unknown=0, NotChecked=0, Total=2352 [2022-09-16 10:41:26,982 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 1103 mSDsluCounter, 2117 mSDsCounter, 0 mSdLazyCounter, 1336 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1103 SdHoareTripleChecker+Valid, 2202 SdHoareTripleChecker+Invalid, 1436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:26,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1103 Valid, 2202 Invalid, 1436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1336 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:41:26,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2473 states. [2022-09-16 10:41:27,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2473 to 2331. [2022-09-16 10:41:27,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2331 states, 2330 states have (on average 2.5446351931330473) internal successors, (5929), 2330 states have internal predecessors, (5929), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:27,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2331 states to 2331 states and 5929 transitions. [2022-09-16 10:41:27,008 INFO L78 Accepts]: Start accepts. Automaton has 2331 states and 5929 transitions. Word has length 111 [2022-09-16 10:41:27,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:27,009 INFO L495 AbstractCegarLoop]: Abstraction has 2331 states and 5929 transitions. [2022-09-16 10:41:27,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.269230769230769) internal successors, (111), 27 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:27,009 INFO L276 IsEmpty]: Start isEmpty. Operand 2331 states and 5929 transitions. [2022-09-16 10:41:27,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:27,011 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:27,011 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:27,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2022-09-16 10:41:27,011 INFO L420 AbstractCegarLoop]: === Iteration 121 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:27,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:27,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1376488080, now seen corresponding path program 24 times [2022-09-16 10:41:27,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:27,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276733898] [2022-09-16 10:41:27,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:27,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:27,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:27,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:27,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276733898] [2022-09-16 10:41:27,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276733898] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:27,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:27,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:41:27,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425939338] [2022-09-16 10:41:27,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:27,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:41:27,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:27,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:41:27,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:41:27,601 INFO L87 Difference]: Start difference. First operand 2331 states and 5929 transitions. Second operand has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:29,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:29,253 INFO L93 Difference]: Finished difference Result 2543 states and 6368 transitions. [2022-09-16 10:41:29,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-09-16 10:41:29,253 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:29,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:29,256 INFO L225 Difference]: With dead ends: 2543 [2022-09-16 10:41:29,256 INFO L226 Difference]: Without dead ends: 2396 [2022-09-16 10:41:29,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=416, Invalid=1564, Unknown=0, NotChecked=0, Total=1980 [2022-09-16 10:41:29,257 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 1008 mSDsluCounter, 1855 mSDsCounter, 0 mSdLazyCounter, 1160 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1008 SdHoareTripleChecker+Valid, 1959 SdHoareTripleChecker+Invalid, 1247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 1160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:29,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1008 Valid, 1959 Invalid, 1247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 1160 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:41:29,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2396 states. [2022-09-16 10:41:29,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2396 to 2276. [2022-09-16 10:41:29,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2276 states, 2275 states have (on average 2.5432967032967033) internal successors, (5786), 2275 states have internal predecessors, (5786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:29,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2276 states to 2276 states and 5786 transitions. [2022-09-16 10:41:29,279 INFO L78 Accepts]: Start accepts. Automaton has 2276 states and 5786 transitions. Word has length 111 [2022-09-16 10:41:29,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:29,280 INFO L495 AbstractCegarLoop]: Abstraction has 2276 states and 5786 transitions. [2022-09-16 10:41:29,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:29,280 INFO L276 IsEmpty]: Start isEmpty. Operand 2276 states and 5786 transitions. [2022-09-16 10:41:29,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:29,282 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:29,282 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:29,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2022-09-16 10:41:29,282 INFO L420 AbstractCegarLoop]: === Iteration 122 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:29,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:29,282 INFO L85 PathProgramCache]: Analyzing trace with hash -815174364, now seen corresponding path program 25 times [2022-09-16 10:41:29,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:29,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634693790] [2022-09-16 10:41:29,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:29,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:29,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:29,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:29,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634693790] [2022-09-16 10:41:29,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634693790] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:29,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:29,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:41:29,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771132600] [2022-09-16 10:41:29,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:29,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:41:29,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:29,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:41:29,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:41:29,526 INFO L87 Difference]: Start difference. First operand 2276 states and 5786 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:30,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:30,218 INFO L93 Difference]: Finished difference Result 2618 states and 6489 transitions. [2022-09-16 10:41:30,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:41:30,219 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:30,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:30,222 INFO L225 Difference]: With dead ends: 2618 [2022-09-16 10:41:30,222 INFO L226 Difference]: Without dead ends: 2535 [2022-09-16 10:41:30,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=227, Invalid=585, Unknown=0, NotChecked=0, Total=812 [2022-09-16 10:41:30,222 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 404 mSDsluCounter, 1383 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 1546 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:30,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 1546 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:30,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2535 states. [2022-09-16 10:41:30,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2535 to 2278. [2022-09-16 10:41:30,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2278 states, 2277 states have (on average 2.5423803249890207) internal successors, (5789), 2277 states have internal predecessors, (5789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:30,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2278 states to 2278 states and 5789 transitions. [2022-09-16 10:41:30,246 INFO L78 Accepts]: Start accepts. Automaton has 2278 states and 5789 transitions. Word has length 111 [2022-09-16 10:41:30,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:30,246 INFO L495 AbstractCegarLoop]: Abstraction has 2278 states and 5789 transitions. [2022-09-16 10:41:30,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:30,246 INFO L276 IsEmpty]: Start isEmpty. Operand 2278 states and 5789 transitions. [2022-09-16 10:41:30,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:30,248 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:30,248 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:30,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2022-09-16 10:41:30,248 INFO L420 AbstractCegarLoop]: === Iteration 123 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:30,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:30,249 INFO L85 PathProgramCache]: Analyzing trace with hash 232992344, now seen corresponding path program 26 times [2022-09-16 10:41:30,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:30,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402283645] [2022-09-16 10:41:30,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:30,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:30,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:30,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:30,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402283645] [2022-09-16 10:41:30,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402283645] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:30,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:30,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:41:30,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447162732] [2022-09-16 10:41:30,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:30,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:41:30,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:30,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:41:30,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:41:30,800 INFO L87 Difference]: Start difference. First operand 2278 states and 5789 transitions. Second operand has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:32,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:32,339 INFO L93 Difference]: Finished difference Result 2458 states and 6154 transitions. [2022-09-16 10:41:32,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-09-16 10:41:32,340 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:32,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:32,343 INFO L225 Difference]: With dead ends: 2458 [2022-09-16 10:41:32,343 INFO L226 Difference]: Without dead ends: 2338 [2022-09-16 10:41:32,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=371, Invalid=1435, Unknown=0, NotChecked=0, Total=1806 [2022-09-16 10:41:32,343 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 1065 mSDsluCounter, 1849 mSDsCounter, 0 mSdLazyCounter, 1148 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1065 SdHoareTripleChecker+Valid, 1972 SdHoareTripleChecker+Invalid, 1244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 1148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:32,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1065 Valid, 1972 Invalid, 1244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 1148 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:41:32,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2338 states. [2022-09-16 10:41:32,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2338 to 2234. [2022-09-16 10:41:32,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2234 states, 2233 states have (on average 2.548141513658755) internal successors, (5690), 2233 states have internal predecessors, (5690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:32,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2234 states to 2234 states and 5690 transitions. [2022-09-16 10:41:32,367 INFO L78 Accepts]: Start accepts. Automaton has 2234 states and 5690 transitions. Word has length 111 [2022-09-16 10:41:32,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:32,367 INFO L495 AbstractCegarLoop]: Abstraction has 2234 states and 5690 transitions. [2022-09-16 10:41:32,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:32,367 INFO L276 IsEmpty]: Start isEmpty. Operand 2234 states and 5690 transitions. [2022-09-16 10:41:32,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:32,369 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:32,370 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:32,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2022-09-16 10:41:32,370 INFO L420 AbstractCegarLoop]: === Iteration 124 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:32,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:32,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1357344250, now seen corresponding path program 27 times [2022-09-16 10:41:32,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:32,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182110193] [2022-09-16 10:41:32,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:32,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:32,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:32,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:32,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182110193] [2022-09-16 10:41:32,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182110193] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:32,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:32,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:41:32,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983314262] [2022-09-16 10:41:32,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:32,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:41:32,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:32,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:41:32,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:41:32,603 INFO L87 Difference]: Start difference. First operand 2234 states and 5690 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:33,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:33,271 INFO L93 Difference]: Finished difference Result 2703 states and 6683 transitions. [2022-09-16 10:41:33,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 10:41:33,271 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:33,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:33,275 INFO L225 Difference]: With dead ends: 2703 [2022-09-16 10:41:33,275 INFO L226 Difference]: Without dead ends: 2471 [2022-09-16 10:41:33,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=258, Invalid=612, Unknown=0, NotChecked=0, Total=870 [2022-09-16 10:41:33,275 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 648 mSDsluCounter, 1061 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 1205 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:33,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [648 Valid, 1205 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:33,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2471 states. [2022-09-16 10:41:33,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2471 to 2172. [2022-09-16 10:41:33,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2172 states, 2171 states have (on average 2.542607093505297) internal successors, (5520), 2171 states have internal predecessors, (5520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:33,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 2172 states and 5520 transitions. [2022-09-16 10:41:33,300 INFO L78 Accepts]: Start accepts. Automaton has 2172 states and 5520 transitions. Word has length 111 [2022-09-16 10:41:33,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:33,300 INFO L495 AbstractCegarLoop]: Abstraction has 2172 states and 5520 transitions. [2022-09-16 10:41:33,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:33,300 INFO L276 IsEmpty]: Start isEmpty. Operand 2172 states and 5520 transitions. [2022-09-16 10:41:33,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:33,302 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:33,302 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:33,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2022-09-16 10:41:33,302 INFO L420 AbstractCegarLoop]: === Iteration 125 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:33,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:33,303 INFO L85 PathProgramCache]: Analyzing trace with hash -584678764, now seen corresponding path program 28 times [2022-09-16 10:41:33,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:33,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613018826] [2022-09-16 10:41:33,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:33,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:33,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:33,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:33,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613018826] [2022-09-16 10:41:33,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613018826] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:33,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:33,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:41:33,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475171870] [2022-09-16 10:41:33,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:33,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:41:33,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:33,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:41:33,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:41:33,529 INFO L87 Difference]: Start difference. First operand 2172 states and 5520 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:34,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:34,153 INFO L93 Difference]: Finished difference Result 2607 states and 6432 transitions. [2022-09-16 10:41:34,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:41:34,154 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:34,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:34,157 INFO L225 Difference]: With dead ends: 2607 [2022-09-16 10:41:34,157 INFO L226 Difference]: Without dead ends: 2483 [2022-09-16 10:41:34,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=216, Invalid=540, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:41:34,157 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 489 mSDsluCounter, 1246 mSDsCounter, 0 mSdLazyCounter, 580 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 1392 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:34,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 1392 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:34,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2483 states. [2022-09-16 10:41:34,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2483 to 2184. [2022-09-16 10:41:34,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2184 states, 2183 states have (on average 2.5368758589097573) internal successors, (5538), 2183 states have internal predecessors, (5538), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:34,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2184 states to 2184 states and 5538 transitions. [2022-09-16 10:41:34,181 INFO L78 Accepts]: Start accepts. Automaton has 2184 states and 5538 transitions. Word has length 111 [2022-09-16 10:41:34,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:34,181 INFO L495 AbstractCegarLoop]: Abstraction has 2184 states and 5538 transitions. [2022-09-16 10:41:34,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:34,181 INFO L276 IsEmpty]: Start isEmpty. Operand 2184 states and 5538 transitions. [2022-09-16 10:41:34,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:34,183 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:34,183 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:34,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2022-09-16 10:41:34,183 INFO L420 AbstractCegarLoop]: === Iteration 126 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:34,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:34,184 INFO L85 PathProgramCache]: Analyzing trace with hash -103856492, now seen corresponding path program 29 times [2022-09-16 10:41:34,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:34,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117513307] [2022-09-16 10:41:34,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:34,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:34,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:34,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:34,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117513307] [2022-09-16 10:41:34,415 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117513307] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:34,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:34,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:41:34,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393400437] [2022-09-16 10:41:34,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:34,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:41:34,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:34,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:41:34,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:41:34,416 INFO L87 Difference]: Start difference. First operand 2184 states and 5538 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:35,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:35,062 INFO L93 Difference]: Finished difference Result 2648 states and 6488 transitions. [2022-09-16 10:41:35,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:41:35,062 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:35,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:35,065 INFO L225 Difference]: With dead ends: 2648 [2022-09-16 10:41:35,065 INFO L226 Difference]: Without dead ends: 2565 [2022-09-16 10:41:35,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=237, Invalid=575, Unknown=0, NotChecked=0, Total=812 [2022-09-16 10:41:35,066 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 504 mSDsluCounter, 1182 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 1328 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:35,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 1328 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:35,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2565 states. [2022-09-16 10:41:35,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2565 to 2186. [2022-09-16 10:41:35,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2186 states, 2185 states have (on average 2.5359267734553774) internal successors, (5541), 2185 states have internal predecessors, (5541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:35,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2186 states to 2186 states and 5541 transitions. [2022-09-16 10:41:35,088 INFO L78 Accepts]: Start accepts. Automaton has 2186 states and 5541 transitions. Word has length 111 [2022-09-16 10:41:35,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:35,088 INFO L495 AbstractCegarLoop]: Abstraction has 2186 states and 5541 transitions. [2022-09-16 10:41:35,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:35,089 INFO L276 IsEmpty]: Start isEmpty. Operand 2186 states and 5541 transitions. [2022-09-16 10:41:35,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:35,091 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:35,091 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:35,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2022-09-16 10:41:35,091 INFO L420 AbstractCegarLoop]: === Iteration 127 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:35,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:35,091 INFO L85 PathProgramCache]: Analyzing trace with hash 944310216, now seen corresponding path program 30 times [2022-09-16 10:41:35,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:35,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179904492] [2022-09-16 10:41:35,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:35,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:35,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:35,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:35,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179904492] [2022-09-16 10:41:35,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179904492] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:35,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:35,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:41:35,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144860745] [2022-09-16 10:41:35,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:35,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:41:35,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:35,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:41:35,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=581, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:41:35,636 INFO L87 Difference]: Start difference. First operand 2186 states and 5541 transitions. Second operand has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:37,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:37,136 INFO L93 Difference]: Finished difference Result 2332 states and 5859 transitions. [2022-09-16 10:41:37,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-09-16 10:41:37,137 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:37,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:37,140 INFO L225 Difference]: With dead ends: 2332 [2022-09-16 10:41:37,140 INFO L226 Difference]: Without dead ends: 2242 [2022-09-16 10:41:37,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=393, Invalid=1413, Unknown=0, NotChecked=0, Total=1806 [2022-09-16 10:41:37,140 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 1050 mSDsluCounter, 1441 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1050 SdHoareTripleChecker+Valid, 1549 SdHoareTripleChecker+Invalid, 1048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:37,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1050 Valid, 1549 Invalid, 1048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 951 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:41:37,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2242 states. [2022-09-16 10:41:37,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2242 to 2178. [2022-09-16 10:41:37,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2178 states, 2177 states have (on average 2.536058796508957) internal successors, (5521), 2177 states have internal predecessors, (5521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:37,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 2178 states and 5521 transitions. [2022-09-16 10:41:37,165 INFO L78 Accepts]: Start accepts. Automaton has 2178 states and 5521 transitions. Word has length 111 [2022-09-16 10:41:37,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:37,166 INFO L495 AbstractCegarLoop]: Abstraction has 2178 states and 5521 transitions. [2022-09-16 10:41:37,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:37,166 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 5521 transitions. [2022-09-16 10:41:37,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:37,168 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:37,168 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:37,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2022-09-16 10:41:37,169 INFO L420 AbstractCegarLoop]: === Iteration 128 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:37,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:37,171 INFO L85 PathProgramCache]: Analyzing trace with hash -162826520, now seen corresponding path program 31 times [2022-09-16 10:41:37,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:37,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133786408] [2022-09-16 10:41:37,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:37,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:37,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:37,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:37,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:37,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133786408] [2022-09-16 10:41:37,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133786408] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:37,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:37,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:41:37,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028792249] [2022-09-16 10:41:37,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:37,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:41:37,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:37,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:41:37,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:41:37,744 INFO L87 Difference]: Start difference. First operand 2178 states and 5521 transitions. Second operand has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:39,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:39,321 INFO L93 Difference]: Finished difference Result 2439 states and 6078 transitions. [2022-09-16 10:41:39,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-09-16 10:41:39,322 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:39,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:39,326 INFO L225 Difference]: With dead ends: 2439 [2022-09-16 10:41:39,326 INFO L226 Difference]: Without dead ends: 2356 [2022-09-16 10:41:39,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=408, Invalid=1572, Unknown=0, NotChecked=0, Total=1980 [2022-09-16 10:41:39,326 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 1029 mSDsluCounter, 1337 mSDsCounter, 0 mSdLazyCounter, 863 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1029 SdHoareTripleChecker+Valid, 1444 SdHoareTripleChecker+Invalid, 960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 863 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:39,327 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1029 Valid, 1444 Invalid, 960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 863 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:41:39,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2356 states. [2022-09-16 10:41:39,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2356 to 2178. [2022-09-16 10:41:39,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2178 states, 2177 states have (on average 2.536058796508957) internal successors, (5521), 2177 states have internal predecessors, (5521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:39,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2178 states to 2178 states and 5521 transitions. [2022-09-16 10:41:39,353 INFO L78 Accepts]: Start accepts. Automaton has 2178 states and 5521 transitions. Word has length 111 [2022-09-16 10:41:39,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:39,353 INFO L495 AbstractCegarLoop]: Abstraction has 2178 states and 5521 transitions. [2022-09-16 10:41:39,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:39,353 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 5521 transitions. [2022-09-16 10:41:39,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:39,356 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:39,356 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:39,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2022-09-16 10:41:39,356 INFO L420 AbstractCegarLoop]: === Iteration 129 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:39,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:39,356 INFO L85 PathProgramCache]: Analyzing trace with hash 885340188, now seen corresponding path program 32 times [2022-09-16 10:41:39,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:39,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939115909] [2022-09-16 10:41:39,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:39,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:39,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:39,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:39,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:39,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939115909] [2022-09-16 10:41:39,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939115909] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:39,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:39,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:41:39,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761763401] [2022-09-16 10:41:39,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:39,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:41:39,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:39,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:41:39,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:41:39,646 INFO L87 Difference]: Start difference. First operand 2178 states and 5521 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:40,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:40,231 INFO L93 Difference]: Finished difference Result 2478 states and 6150 transitions. [2022-09-16 10:41:40,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:41:40,231 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:40,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:40,234 INFO L225 Difference]: With dead ends: 2478 [2022-09-16 10:41:40,234 INFO L226 Difference]: Without dead ends: 2394 [2022-09-16 10:41:40,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=207, Invalid=549, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:41:40,235 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 374 mSDsluCounter, 1207 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 1350 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:40,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 1350 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:40,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2394 states. [2022-09-16 10:41:40,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2394 to 2172. [2022-09-16 10:41:40,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2172 states, 2171 states have (on average 2.536158452326117) internal successors, (5506), 2171 states have internal predecessors, (5506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:40,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 2172 states and 5506 transitions. [2022-09-16 10:41:40,259 INFO L78 Accepts]: Start accepts. Automaton has 2172 states and 5506 transitions. Word has length 111 [2022-09-16 10:41:40,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:40,259 INFO L495 AbstractCegarLoop]: Abstraction has 2172 states and 5506 transitions. [2022-09-16 10:41:40,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:40,260 INFO L276 IsEmpty]: Start isEmpty. Operand 2172 states and 5506 transitions. [2022-09-16 10:41:40,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:40,262 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:40,262 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:40,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2022-09-16 10:41:40,262 INFO L420 AbstractCegarLoop]: === Iteration 130 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:40,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:40,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1920521484, now seen corresponding path program 33 times [2022-09-16 10:41:40,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:40,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2352234] [2022-09-16 10:41:40,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:40,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:40,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:40,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:40,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2352234] [2022-09-16 10:41:40,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2352234] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:40,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:40,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:41:40,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683493908] [2022-09-16 10:41:40,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:40,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:41:40,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:40,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:41:40,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:41:40,512 INFO L87 Difference]: Start difference. First operand 2172 states and 5506 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:41,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:41,142 INFO L93 Difference]: Finished difference Result 2537 states and 6257 transitions. [2022-09-16 10:41:41,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:41:41,142 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:41,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:41,145 INFO L225 Difference]: With dead ends: 2537 [2022-09-16 10:41:41,145 INFO L226 Difference]: Without dead ends: 2247 [2022-09-16 10:41:41,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=211, Invalid=545, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:41:41,146 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 398 mSDsluCounter, 1323 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 1465 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:41,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 1465 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:41,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2247 states. [2022-09-16 10:41:41,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2247 to 1958. [2022-09-16 10:41:41,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1958 states, 1957 states have (on average 2.5350025549310167) internal successors, (4961), 1957 states have internal predecessors, (4961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:41,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1958 states to 1958 states and 4961 transitions. [2022-09-16 10:41:41,169 INFO L78 Accepts]: Start accepts. Automaton has 1958 states and 4961 transitions. Word has length 111 [2022-09-16 10:41:41,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:41,169 INFO L495 AbstractCegarLoop]: Abstraction has 1958 states and 4961 transitions. [2022-09-16 10:41:41,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:41,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1958 states and 4961 transitions. [2022-09-16 10:41:41,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:41,171 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:41,171 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:41,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2022-09-16 10:41:41,171 INFO L420 AbstractCegarLoop]: === Iteration 131 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:41,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:41,171 INFO L85 PathProgramCache]: Analyzing trace with hash -791878760, now seen corresponding path program 34 times [2022-09-16 10:41:41,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:41,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235788604] [2022-09-16 10:41:41,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:41,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:41,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:41,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:41,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235788604] [2022-09-16 10:41:41,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235788604] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:41,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:41,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-09-16 10:41:41,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503169256] [2022-09-16 10:41:41,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:41,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-09-16 10:41:41,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:41,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-09-16 10:41:41,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2022-09-16 10:41:41,506 INFO L87 Difference]: Start difference. First operand 1958 states and 4961 transitions. Second operand has 20 states, 19 states have (on average 5.842105263157895) internal successors, (111), 20 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:42,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:42,541 INFO L93 Difference]: Finished difference Result 2173 states and 5395 transitions. [2022-09-16 10:41:42,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-09-16 10:41:42,541 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.842105263157895) internal successors, (111), 20 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:42,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:42,544 INFO L225 Difference]: With dead ends: 2173 [2022-09-16 10:41:42,544 INFO L226 Difference]: Without dead ends: 1770 [2022-09-16 10:41:42,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=359, Invalid=901, Unknown=0, NotChecked=0, Total=1260 [2022-09-16 10:41:42,544 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 676 mSDsluCounter, 1298 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 676 SdHoareTripleChecker+Valid, 1448 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:42,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [676 Valid, 1448 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:42,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1770 states. [2022-09-16 10:41:42,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1770 to 1683. [2022-09-16 10:41:42,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1683 states, 1682 states have (on average 2.5689655172413794) internal successors, (4321), 1682 states have internal predecessors, (4321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:42,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1683 states and 4321 transitions. [2022-09-16 10:41:42,562 INFO L78 Accepts]: Start accepts. Automaton has 1683 states and 4321 transitions. Word has length 111 [2022-09-16 10:41:42,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:42,562 INFO L495 AbstractCegarLoop]: Abstraction has 1683 states and 4321 transitions. [2022-09-16 10:41:42,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.842105263157895) internal successors, (111), 20 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:42,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 4321 transitions. [2022-09-16 10:41:42,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:42,564 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:42,564 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:42,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2022-09-16 10:41:42,564 INFO L420 AbstractCegarLoop]: === Iteration 132 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:42,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:42,564 INFO L85 PathProgramCache]: Analyzing trace with hash 974241578, now seen corresponding path program 35 times [2022-09-16 10:41:42,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:42,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443347007] [2022-09-16 10:41:42,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:42,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:42,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:42,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:42,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443347007] [2022-09-16 10:41:42,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443347007] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:42,820 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:42,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:41:42,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006762911] [2022-09-16 10:41:42,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:42,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:41:42,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:42,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:41:42,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:41:42,821 INFO L87 Difference]: Start difference. First operand 1683 states and 4321 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:43,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:43,538 INFO L93 Difference]: Finished difference Result 4173 states and 10652 transitions. [2022-09-16 10:41:43,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:41:43,539 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:43,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:43,544 INFO L225 Difference]: With dead ends: 4173 [2022-09-16 10:41:43,544 INFO L226 Difference]: Without dead ends: 3825 [2022-09-16 10:41:43,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=243, Invalid=569, Unknown=0, NotChecked=0, Total=812 [2022-09-16 10:41:43,544 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 536 mSDsluCounter, 1411 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 1581 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:43,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [536 Valid, 1581 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:43,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3825 states. [2022-09-16 10:41:43,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3825 to 2173. [2022-09-16 10:41:43,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2173 states, 2172 states have (on average 2.595303867403315) internal successors, (5637), 2172 states have internal predecessors, (5637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:43,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2173 states to 2173 states and 5637 transitions. [2022-09-16 10:41:43,580 INFO L78 Accepts]: Start accepts. Automaton has 2173 states and 5637 transitions. Word has length 111 [2022-09-16 10:41:43,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:43,580 INFO L495 AbstractCegarLoop]: Abstraction has 2173 states and 5637 transitions. [2022-09-16 10:41:43,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:43,580 INFO L276 IsEmpty]: Start isEmpty. Operand 2173 states and 5637 transitions. [2022-09-16 10:41:43,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:43,582 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:43,582 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:43,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2022-09-16 10:41:43,583 INFO L420 AbstractCegarLoop]: === Iteration 133 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:43,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:43,583 INFO L85 PathProgramCache]: Analyzing trace with hash -914140788, now seen corresponding path program 36 times [2022-09-16 10:41:43,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:43,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848273886] [2022-09-16 10:41:43,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:43,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:43,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:43,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:43,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848273886] [2022-09-16 10:41:43,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848273886] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:43,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:43,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:41:43,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237527870] [2022-09-16 10:41:43,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:43,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:41:43,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:43,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:41:43,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:41:43,845 INFO L87 Difference]: Start difference. First operand 2173 states and 5637 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:44,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:44,637 INFO L93 Difference]: Finished difference Result 3901 states and 9900 transitions. [2022-09-16 10:41:44,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 10:41:44,637 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:44,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:44,643 INFO L225 Difference]: With dead ends: 3901 [2022-09-16 10:41:44,643 INFO L226 Difference]: Without dead ends: 3769 [2022-09-16 10:41:44,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=250, Invalid=620, Unknown=0, NotChecked=0, Total=870 [2022-09-16 10:41:44,643 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 565 mSDsluCounter, 1527 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 1684 SdHoareTripleChecker+Invalid, 735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:44,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [565 Valid, 1684 Invalid, 735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:44,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3769 states. [2022-09-16 10:41:44,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3769 to 2117. [2022-09-16 10:41:44,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2117 states, 2116 states have (on average 2.5912098298676747) internal successors, (5483), 2116 states have internal predecessors, (5483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:44,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2117 states to 2117 states and 5483 transitions. [2022-09-16 10:41:44,676 INFO L78 Accepts]: Start accepts. Automaton has 2117 states and 5483 transitions. Word has length 111 [2022-09-16 10:41:44,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:44,676 INFO L495 AbstractCegarLoop]: Abstraction has 2117 states and 5483 transitions. [2022-09-16 10:41:44,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:44,676 INFO L276 IsEmpty]: Start isEmpty. Operand 2117 states and 5483 transitions. [2022-09-16 10:41:44,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:44,678 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:44,678 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:44,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2022-09-16 10:41:44,678 INFO L420 AbstractCegarLoop]: === Iteration 134 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:44,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:44,678 INFO L85 PathProgramCache]: Analyzing trace with hash 589030340, now seen corresponding path program 37 times [2022-09-16 10:41:44,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:44,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993650541] [2022-09-16 10:41:44,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:44,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:44,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:44,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:44,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993650541] [2022-09-16 10:41:44,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993650541] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:44,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:44,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:41:44,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865192860] [2022-09-16 10:41:44,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:44,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:41:44,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:44,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:41:44,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:41:44,914 INFO L87 Difference]: Start difference. First operand 2117 states and 5483 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:45,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:45,540 INFO L93 Difference]: Finished difference Result 3921 states and 9899 transitions. [2022-09-16 10:41:45,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:41:45,540 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:45,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:45,545 INFO L225 Difference]: With dead ends: 3921 [2022-09-16 10:41:45,545 INFO L226 Difference]: Without dead ends: 3461 [2022-09-16 10:41:45,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=541, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:41:45,546 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 511 mSDsluCounter, 1329 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 1482 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:45,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 1482 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:45,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3461 states. [2022-09-16 10:41:45,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3461 to 1781. [2022-09-16 10:41:45,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1781 states, 1780 states have (on average 2.545505617977528) internal successors, (4531), 1780 states have internal predecessors, (4531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:45,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1781 states to 1781 states and 4531 transitions. [2022-09-16 10:41:45,573 INFO L78 Accepts]: Start accepts. Automaton has 1781 states and 4531 transitions. Word has length 111 [2022-09-16 10:41:45,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:45,573 INFO L495 AbstractCegarLoop]: Abstraction has 1781 states and 4531 transitions. [2022-09-16 10:41:45,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:45,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1781 states and 4531 transitions. [2022-09-16 10:41:45,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:45,575 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:45,575 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:45,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2022-09-16 10:41:45,575 INFO L420 AbstractCegarLoop]: === Iteration 135 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:45,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:45,575 INFO L85 PathProgramCache]: Analyzing trace with hash -916467114, now seen corresponding path program 38 times [2022-09-16 10:41:45,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:45,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240974875] [2022-09-16 10:41:45,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:45,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:46,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:46,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:46,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240974875] [2022-09-16 10:41:46,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240974875] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:46,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:46,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:41:46,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92445252] [2022-09-16 10:41:46,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:46,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:41:46,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:46,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:41:46,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:41:46,147 INFO L87 Difference]: Start difference. First operand 1781 states and 4531 transitions. Second operand has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:47,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:47,600 INFO L93 Difference]: Finished difference Result 3064 states and 7861 transitions. [2022-09-16 10:41:47,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-09-16 10:41:47,600 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:47,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:47,604 INFO L225 Difference]: With dead ends: 3064 [2022-09-16 10:41:47,604 INFO L226 Difference]: Without dead ends: 2716 [2022-09-16 10:41:47,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=388, Invalid=1504, Unknown=0, NotChecked=0, Total=1892 [2022-09-16 10:41:47,605 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 1398 mSDsluCounter, 1530 mSDsCounter, 0 mSdLazyCounter, 868 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1398 SdHoareTripleChecker+Valid, 1671 SdHoareTripleChecker+Invalid, 995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:47,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1398 Valid, 1671 Invalid, 995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 868 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:41:47,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-09-16 10:41:47,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 1865. [2022-09-16 10:41:47,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1865 states, 1864 states have (on average 2.5209227467811157) internal successors, (4699), 1864 states have internal predecessors, (4699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:47,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1865 states to 1865 states and 4699 transitions. [2022-09-16 10:41:47,628 INFO L78 Accepts]: Start accepts. Automaton has 1865 states and 4699 transitions. Word has length 111 [2022-09-16 10:41:47,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:47,628 INFO L495 AbstractCegarLoop]: Abstraction has 1865 states and 4699 transitions. [2022-09-16 10:41:47,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:47,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 4699 transitions. [2022-09-16 10:41:47,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:47,630 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:47,630 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:47,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2022-09-16 10:41:47,631 INFO L420 AbstractCegarLoop]: === Iteration 136 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:47,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:47,631 INFO L85 PathProgramCache]: Analyzing trace with hash 100841234, now seen corresponding path program 39 times [2022-09-16 10:41:47,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:47,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276986475] [2022-09-16 10:41:47,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:47,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:48,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:48,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:48,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276986475] [2022-09-16 10:41:48,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276986475] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:48,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:48,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-09-16 10:41:48,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761222963] [2022-09-16 10:41:48,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:48,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-09-16 10:41:48,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:48,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-09-16 10:41:48,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=624, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:41:48,382 INFO L87 Difference]: Start difference. First operand 1865 states and 4699 transitions. Second operand has 27 states, 26 states have (on average 4.269230769230769) internal successors, (111), 27 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:53,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:53,011 INFO L93 Difference]: Finished difference Result 3173 states and 7978 transitions. [2022-09-16 10:41:53,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-09-16 10:41:53,011 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.269230769230769) internal successors, (111), 27 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:53,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:53,015 INFO L225 Difference]: With dead ends: 3173 [2022-09-16 10:41:53,015 INFO L226 Difference]: Without dead ends: 3020 [2022-09-16 10:41:53,016 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1138 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=1496, Invalid=4356, Unknown=0, NotChecked=0, Total=5852 [2022-09-16 10:41:53,016 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 1707 mSDsluCounter, 1979 mSDsCounter, 0 mSdLazyCounter, 1391 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1707 SdHoareTripleChecker+Valid, 2164 SdHoareTripleChecker+Invalid, 1573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 1391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:53,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1707 Valid, 2164 Invalid, 1573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 1391 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:41:53,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3020 states. [2022-09-16 10:41:53,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3020 to 1811. [2022-09-16 10:41:53,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1811 states, 1810 states have (on average 2.5397790055248617) internal successors, (4597), 1810 states have internal predecessors, (4597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:53,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 4597 transitions. [2022-09-16 10:41:53,040 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 4597 transitions. Word has length 111 [2022-09-16 10:41:53,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:53,040 INFO L495 AbstractCegarLoop]: Abstraction has 1811 states and 4597 transitions. [2022-09-16 10:41:53,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.269230769230769) internal successors, (111), 27 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:53,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 4597 transitions. [2022-09-16 10:41:53,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:53,042 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:53,042 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:53,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2022-09-16 10:41:53,042 INFO L420 AbstractCegarLoop]: === Iteration 137 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:53,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:53,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1586672034, now seen corresponding path program 40 times [2022-09-16 10:41:53,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:53,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266659106] [2022-09-16 10:41:53,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:53,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:53,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:53,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:53,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266659106] [2022-09-16 10:41:53,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266659106] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:53,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:53,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:41:53,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175129620] [2022-09-16 10:41:53,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:53,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:41:53,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:53,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:41:53,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:41:53,292 INFO L87 Difference]: Start difference. First operand 1811 states and 4597 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:54,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:54,008 INFO L93 Difference]: Finished difference Result 3327 states and 8358 transitions. [2022-09-16 10:41:54,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:41:54,008 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:54,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:54,012 INFO L225 Difference]: With dead ends: 3327 [2022-09-16 10:41:54,012 INFO L226 Difference]: Without dead ends: 2979 [2022-09-16 10:41:54,012 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=236, Invalid=576, Unknown=0, NotChecked=0, Total=812 [2022-09-16 10:41:54,012 INFO L413 NwaCegarLoop]: 204 mSDtfsCounter, 524 mSDsluCounter, 1374 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 1547 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:54,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [524 Valid, 1547 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:41:54,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2979 states. [2022-09-16 10:41:54,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2979 to 1867. [2022-09-16 10:41:54,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1867 states, 1866 states have (on average 2.5160771704180065) internal successors, (4695), 1866 states have internal predecessors, (4695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:54,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1867 states to 1867 states and 4695 transitions. [2022-09-16 10:41:54,035 INFO L78 Accepts]: Start accepts. Automaton has 1867 states and 4695 transitions. Word has length 111 [2022-09-16 10:41:54,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:54,036 INFO L495 AbstractCegarLoop]: Abstraction has 1867 states and 4695 transitions. [2022-09-16 10:41:54,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:54,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1867 states and 4695 transitions. [2022-09-16 10:41:54,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:54,037 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:54,037 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:54,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2022-09-16 10:41:54,038 INFO L420 AbstractCegarLoop]: === Iteration 138 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:54,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:54,038 INFO L85 PathProgramCache]: Analyzing trace with hash 442605556, now seen corresponding path program 41 times [2022-09-16 10:41:54,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:54,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533358387] [2022-09-16 10:41:54,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:54,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:54,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:54,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:54,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:54,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533358387] [2022-09-16 10:41:54,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533358387] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:54,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:54,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:41:54,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369204071] [2022-09-16 10:41:54,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:54,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:41:54,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:54,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:41:54,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=583, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:41:54,591 INFO L87 Difference]: Start difference. First operand 1867 states and 4695 transitions. Second operand has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:56,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:56,158 INFO L93 Difference]: Finished difference Result 2557 states and 6507 transitions. [2022-09-16 10:41:56,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-09-16 10:41:56,158 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:56,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:56,161 INFO L225 Difference]: With dead ends: 2557 [2022-09-16 10:41:56,161 INFO L226 Difference]: Without dead ends: 2425 [2022-09-16 10:41:56,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=407, Invalid=1573, Unknown=0, NotChecked=0, Total=1980 [2022-09-16 10:41:56,162 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 1137 mSDsluCounter, 1601 mSDsCounter, 0 mSdLazyCounter, 973 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1137 SdHoareTripleChecker+Valid, 1739 SdHoareTripleChecker+Invalid, 1081 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:56,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1137 Valid, 1739 Invalid, 1081 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 973 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:41:56,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2425 states. [2022-09-16 10:41:56,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2425 to 1811. [2022-09-16 10:41:56,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1811 states, 1810 states have (on average 2.5320441988950275) internal successors, (4583), 1810 states have internal predecessors, (4583), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:56,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 4583 transitions. [2022-09-16 10:41:56,185 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 4583 transitions. Word has length 111 [2022-09-16 10:41:56,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:56,185 INFO L495 AbstractCegarLoop]: Abstraction has 1811 states and 4583 transitions. [2022-09-16 10:41:56,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:56,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 4583 transitions. [2022-09-16 10:41:56,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:56,187 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:56,187 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:56,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2022-09-16 10:41:56,187 INFO L420 AbstractCegarLoop]: === Iteration 139 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:56,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:56,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1036383832, now seen corresponding path program 42 times [2022-09-16 10:41:56,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:56,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790722278] [2022-09-16 10:41:56,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:56,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:56,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:56,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:56,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790722278] [2022-09-16 10:41:56,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790722278] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:56,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:56,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:41:56,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928838387] [2022-09-16 10:41:56,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:56,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:41:56,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:56,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:41:56,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=583, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:41:56,786 INFO L87 Difference]: Start difference. First operand 1811 states and 4583 transitions. Second operand has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:58,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:41:58,308 INFO L93 Difference]: Finished difference Result 2479 states and 6351 transitions. [2022-09-16 10:41:58,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-09-16 10:41:58,308 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:41:58,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:41:58,312 INFO L225 Difference]: With dead ends: 2479 [2022-09-16 10:41:58,312 INFO L226 Difference]: Without dead ends: 2339 [2022-09-16 10:41:58,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=373, Invalid=1433, Unknown=0, NotChecked=0, Total=1806 [2022-09-16 10:41:58,312 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 928 mSDsluCounter, 1828 mSDsCounter, 0 mSdLazyCounter, 1129 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 928 SdHoareTripleChecker+Valid, 1947 SdHoareTripleChecker+Invalid, 1215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 1129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:41:58,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [928 Valid, 1947 Invalid, 1215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 1129 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:41:58,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2339 states. [2022-09-16 10:41:58,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2339 to 1769. [2022-09-16 10:41:58,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1769 states, 1768 states have (on average 2.544683257918552) internal successors, (4499), 1768 states have internal predecessors, (4499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:58,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1769 states to 1769 states and 4499 transitions. [2022-09-16 10:41:58,332 INFO L78 Accepts]: Start accepts. Automaton has 1769 states and 4499 transitions. Word has length 111 [2022-09-16 10:41:58,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:41:58,332 INFO L495 AbstractCegarLoop]: Abstraction has 1769 states and 4499 transitions. [2022-09-16 10:41:58,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:41:58,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 4499 transitions. [2022-09-16 10:41:58,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:41:58,334 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:41:58,334 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:41:58,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2022-09-16 10:41:58,334 INFO L420 AbstractCegarLoop]: === Iteration 140 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:41:58,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:41:58,334 INFO L85 PathProgramCache]: Analyzing trace with hash 2129393000, now seen corresponding path program 43 times [2022-09-16 10:41:58,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:41:58,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623215343] [2022-09-16 10:41:58,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:41:58,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:41:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:41:58,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:41:58,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:41:58,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623215343] [2022-09-16 10:41:58,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623215343] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:41:58,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:41:58,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:41:58,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745001915] [2022-09-16 10:41:58,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:41:58,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:41:58,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:41:58,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:41:58,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=583, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:41:58,907 INFO L87 Difference]: Start difference. First operand 1769 states and 4499 transitions. Second operand has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:00,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:00,418 INFO L93 Difference]: Finished difference Result 2397 states and 6176 transitions. [2022-09-16 10:42:00,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-09-16 10:42:00,418 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:00,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:00,421 INFO L225 Difference]: With dead ends: 2397 [2022-09-16 10:42:00,421 INFO L226 Difference]: Without dead ends: 2273 [2022-09-16 10:42:00,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=398, Invalid=1408, Unknown=0, NotChecked=0, Total=1806 [2022-09-16 10:42:00,422 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 1093 mSDsluCounter, 1475 mSDsCounter, 0 mSdLazyCounter, 954 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1093 SdHoareTripleChecker+Valid, 1594 SdHoareTripleChecker+Invalid, 1063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:00,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1093 Valid, 1594 Invalid, 1063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 954 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:42:00,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2273 states. [2022-09-16 10:42:00,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2273 to 1777. [2022-09-16 10:42:00,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1777 states, 1776 states have (on average 2.5399774774774775) internal successors, (4511), 1776 states have internal predecessors, (4511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:00,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 1777 states and 4511 transitions. [2022-09-16 10:42:00,441 INFO L78 Accepts]: Start accepts. Automaton has 1777 states and 4511 transitions. Word has length 111 [2022-09-16 10:42:00,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:00,442 INFO L495 AbstractCegarLoop]: Abstraction has 1777 states and 4511 transitions. [2022-09-16 10:42:00,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:00,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1777 states and 4511 transitions. [2022-09-16 10:42:00,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:00,443 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:00,443 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:00,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2022-09-16 10:42:00,444 INFO L420 AbstractCegarLoop]: === Iteration 141 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:00,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:00,444 INFO L85 PathProgramCache]: Analyzing trace with hash -636585316, now seen corresponding path program 44 times [2022-09-16 10:42:00,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:00,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099043084] [2022-09-16 10:42:00,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:00,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:00,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:00,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:00,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099043084] [2022-09-16 10:42:00,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099043084] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:00,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:00,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:42:00,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371006988] [2022-09-16 10:42:00,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:00,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:42:00,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:00,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:42:00,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=583, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:42:00,990 INFO L87 Difference]: Start difference. First operand 1777 states and 4511 transitions. Second operand has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:02,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:02,456 INFO L93 Difference]: Finished difference Result 2373 states and 6114 transitions. [2022-09-16 10:42:02,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-09-16 10:42:02,456 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:02,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:02,459 INFO L225 Difference]: With dead ends: 2373 [2022-09-16 10:42:02,459 INFO L226 Difference]: Without dead ends: 2211 [2022-09-16 10:42:02,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=382, Invalid=1424, Unknown=0, NotChecked=0, Total=1806 [2022-09-16 10:42:02,460 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 1060 mSDsluCounter, 1455 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1060 SdHoareTripleChecker+Valid, 1572 SdHoareTripleChecker+Invalid, 1058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:02,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1060 Valid, 1572 Invalid, 1058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:42:02,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2022-09-16 10:42:02,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 1713. [2022-09-16 10:42:02,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1713 states, 1712 states have (on average 2.5625) internal successors, (4387), 1712 states have internal predecessors, (4387), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:02,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1713 states and 4387 transitions. [2022-09-16 10:42:02,481 INFO L78 Accepts]: Start accepts. Automaton has 1713 states and 4387 transitions. Word has length 111 [2022-09-16 10:42:02,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:02,481 INFO L495 AbstractCegarLoop]: Abstraction has 1713 states and 4387 transitions. [2022-09-16 10:42:02,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:02,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 4387 transitions. [2022-09-16 10:42:02,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:02,483 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:02,483 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:02,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2022-09-16 10:42:02,483 INFO L420 AbstractCegarLoop]: === Iteration 142 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:02,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:02,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1920849996, now seen corresponding path program 45 times [2022-09-16 10:42:02,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:02,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645476655] [2022-09-16 10:42:02,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:02,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:02,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:02,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:02,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:02,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645476655] [2022-09-16 10:42:02,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645476655] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:02,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:02,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:02,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588234669] [2022-09-16 10:42:02,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:02,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:02,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:02,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:02,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:02,733 INFO L87 Difference]: Start difference. First operand 1713 states and 4387 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:03,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:03,432 INFO L93 Difference]: Finished difference Result 2804 states and 7083 transitions. [2022-09-16 10:42:03,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:42:03,433 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:03,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:03,436 INFO L225 Difference]: With dead ends: 2804 [2022-09-16 10:42:03,436 INFO L226 Difference]: Without dead ends: 2456 [2022-09-16 10:42:03,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=243, Invalid=569, Unknown=0, NotChecked=0, Total=812 [2022-09-16 10:42:03,436 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 521 mSDsluCounter, 1481 mSDsCounter, 0 mSdLazyCounter, 645 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 521 SdHoareTripleChecker+Valid, 1653 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 645 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:03,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [521 Valid, 1653 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 645 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:42:03,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2456 states. [2022-09-16 10:42:03,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2456 to 2161. [2022-09-16 10:42:03,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2161 states, 2160 states have (on average 2.575462962962963) internal successors, (5563), 2160 states have internal predecessors, (5563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:03,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 2161 states and 5563 transitions. [2022-09-16 10:42:03,461 INFO L78 Accepts]: Start accepts. Automaton has 2161 states and 5563 transitions. Word has length 111 [2022-09-16 10:42:03,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:03,461 INFO L495 AbstractCegarLoop]: Abstraction has 2161 states and 5563 transitions. [2022-09-16 10:42:03,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:03,462 INFO L276 IsEmpty]: Start isEmpty. Operand 2161 states and 5563 transitions. [2022-09-16 10:42:03,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:03,464 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:03,464 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:03,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2022-09-16 10:42:03,464 INFO L420 AbstractCegarLoop]: === Iteration 143 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:03,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:03,464 INFO L85 PathProgramCache]: Analyzing trace with hash 32467630, now seen corresponding path program 46 times [2022-09-16 10:42:03,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:03,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430897988] [2022-09-16 10:42:03,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:03,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:03,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:03,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:03,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430897988] [2022-09-16 10:42:03,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430897988] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:03,725 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:03,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:03,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695376088] [2022-09-16 10:42:03,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:03,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:03,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:03,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:03,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:03,726 INFO L87 Difference]: Start difference. First operand 2161 states and 5563 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:04,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:04,407 INFO L93 Difference]: Finished difference Result 2532 states and 6331 transitions. [2022-09-16 10:42:04,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 10:42:04,408 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:04,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:04,411 INFO L225 Difference]: With dead ends: 2532 [2022-09-16 10:42:04,411 INFO L226 Difference]: Without dead ends: 2400 [2022-09-16 10:42:04,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=250, Invalid=620, Unknown=0, NotChecked=0, Total=870 [2022-09-16 10:42:04,411 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 516 mSDsluCounter, 1162 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 1331 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:04,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 1331 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:42:04,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2400 states. [2022-09-16 10:42:04,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2400 to 2105. [2022-09-16 10:42:04,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2105 states, 2104 states have (on average 2.5708174904942966) internal successors, (5409), 2104 states have internal predecessors, (5409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:04,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2105 states to 2105 states and 5409 transitions. [2022-09-16 10:42:04,435 INFO L78 Accepts]: Start accepts. Automaton has 2105 states and 5409 transitions. Word has length 111 [2022-09-16 10:42:04,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:04,435 INFO L495 AbstractCegarLoop]: Abstraction has 2105 states and 5409 transitions. [2022-09-16 10:42:04,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:04,435 INFO L276 IsEmpty]: Start isEmpty. Operand 2105 states and 5409 transitions. [2022-09-16 10:42:04,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:04,437 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:04,437 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:04,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2022-09-16 10:42:04,437 INFO L420 AbstractCegarLoop]: === Iteration 144 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:04,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:04,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1535638758, now seen corresponding path program 47 times [2022-09-16 10:42:04,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:04,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770164494] [2022-09-16 10:42:04,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:04,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:04,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:04,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:04,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770164494] [2022-09-16 10:42:04,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770164494] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:04,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:04,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:04,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279604804] [2022-09-16 10:42:04,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:04,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:04,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:04,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:04,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:04,672 INFO L87 Difference]: Start difference. First operand 2105 states and 5409 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:05,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:05,270 INFO L93 Difference]: Finished difference Result 2524 states and 6285 transitions. [2022-09-16 10:42:05,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:42:05,270 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:05,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:05,273 INFO L225 Difference]: With dead ends: 2524 [2022-09-16 10:42:05,273 INFO L226 Difference]: Without dead ends: 2064 [2022-09-16 10:42:05,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=541, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:42:05,273 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 489 mSDsluCounter, 1352 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 1511 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:05,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 1511 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:42:05,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2064 states. [2022-09-16 10:42:05,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2064 to 1769. [2022-09-16 10:42:05,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1769 states, 1768 states have (on average 2.536764705882353) internal successors, (4485), 1768 states have internal predecessors, (4485), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:05,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1769 states to 1769 states and 4485 transitions. [2022-09-16 10:42:05,294 INFO L78 Accepts]: Start accepts. Automaton has 1769 states and 4485 transitions. Word has length 111 [2022-09-16 10:42:05,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:05,295 INFO L495 AbstractCegarLoop]: Abstraction has 1769 states and 4485 transitions. [2022-09-16 10:42:05,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:05,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 4485 transitions. [2022-09-16 10:42:05,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:05,297 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:05,297 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:05,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2022-09-16 10:42:05,297 INFO L420 AbstractCegarLoop]: === Iteration 145 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:05,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:05,297 INFO L85 PathProgramCache]: Analyzing trace with hash 177161888, now seen corresponding path program 48 times [2022-09-16 10:42:05,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:05,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608724713] [2022-09-16 10:42:05,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:05,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:05,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:05,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:05,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608724713] [2022-09-16 10:42:05,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608724713] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:05,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:05,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:05,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709723140] [2022-09-16 10:42:05,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:05,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:05,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:05,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:05,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:05,536 INFO L87 Difference]: Start difference. First operand 1769 states and 4485 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:06,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:06,078 INFO L93 Difference]: Finished difference Result 2068 states and 5115 transitions. [2022-09-16 10:42:06,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:42:06,078 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:06,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:06,081 INFO L225 Difference]: With dead ends: 2068 [2022-09-16 10:42:06,081 INFO L226 Difference]: Without dead ends: 1880 [2022-09-16 10:42:06,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=541, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:42:06,081 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 535 mSDsluCounter, 1088 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 1241 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:06,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [535 Valid, 1241 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:42:06,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1880 states. [2022-09-16 10:42:06,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1880 to 1713. [2022-09-16 10:42:06,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1713 states, 1712 states have (on average 2.554322429906542) internal successors, (4373), 1712 states have internal predecessors, (4373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:06,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1713 states and 4373 transitions. [2022-09-16 10:42:06,100 INFO L78 Accepts]: Start accepts. Automaton has 1713 states and 4373 transitions. Word has length 111 [2022-09-16 10:42:06,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:06,100 INFO L495 AbstractCegarLoop]: Abstraction has 1713 states and 4373 transitions. [2022-09-16 10:42:06,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:06,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 4373 transitions. [2022-09-16 10:42:06,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:06,102 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:06,102 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:06,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2022-09-16 10:42:06,102 INFO L420 AbstractCegarLoop]: === Iteration 146 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:06,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:06,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1741987656, now seen corresponding path program 49 times [2022-09-16 10:42:06,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:06,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177200931] [2022-09-16 10:42:06,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:06,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:06,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:06,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:06,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177200931] [2022-09-16 10:42:06,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177200931] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:06,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:06,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:06,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455771519] [2022-09-16 10:42:06,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:06,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:06,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:06,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:06,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:06,332 INFO L87 Difference]: Start difference. First operand 1713 states and 4373 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:06,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:06,917 INFO L93 Difference]: Finished difference Result 2220 states and 5423 transitions. [2022-09-16 10:42:06,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:42:06,917 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:06,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:06,920 INFO L225 Difference]: With dead ends: 2220 [2022-09-16 10:42:06,920 INFO L226 Difference]: Without dead ends: 2096 [2022-09-16 10:42:06,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=541, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:42:06,920 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 528 mSDsluCounter, 1291 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 528 SdHoareTripleChecker+Valid, 1430 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:06,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [528 Valid, 1430 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:42:06,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2096 states. [2022-09-16 10:42:06,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2096 to 1713. [2022-09-16 10:42:06,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1713 states, 1712 states have (on average 2.5473130841121496) internal successors, (4361), 1712 states have internal predecessors, (4361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:06,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1713 states and 4361 transitions. [2022-09-16 10:42:06,937 INFO L78 Accepts]: Start accepts. Automaton has 1713 states and 4361 transitions. Word has length 111 [2022-09-16 10:42:06,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:06,937 INFO L495 AbstractCegarLoop]: Abstraction has 1713 states and 4361 transitions. [2022-09-16 10:42:06,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:06,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 4361 transitions. [2022-09-16 10:42:06,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:06,939 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:06,939 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:06,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2022-09-16 10:42:06,939 INFO L420 AbstractCegarLoop]: === Iteration 147 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:06,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:06,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1484262756, now seen corresponding path program 50 times [2022-09-16 10:42:06,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:06,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653295776] [2022-09-16 10:42:06,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:06,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:07,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:07,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:07,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653295776] [2022-09-16 10:42:07,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653295776] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:07,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:07,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:42:07,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909950351] [2022-09-16 10:42:07,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:07,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:42:07,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:07,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:42:07,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=583, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:42:07,504 INFO L87 Difference]: Start difference. First operand 1713 states and 4361 transitions. Second operand has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:08,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:08,850 INFO L93 Difference]: Finished difference Result 1883 states and 4737 transitions. [2022-09-16 10:42:08,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-09-16 10:42:08,850 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:08,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:08,852 INFO L225 Difference]: With dead ends: 1883 [2022-09-16 10:42:08,852 INFO L226 Difference]: Without dead ends: 1793 [2022-09-16 10:42:08,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=359, Invalid=1363, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:42:08,853 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 699 mSDsluCounter, 1473 mSDsCounter, 0 mSdLazyCounter, 960 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 699 SdHoareTripleChecker+Valid, 1577 SdHoareTripleChecker+Invalid, 1020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:08,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [699 Valid, 1577 Invalid, 1020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 960 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:42:08,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1793 states. [2022-09-16 10:42:08,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1793 to 1699. [2022-09-16 10:42:08,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1699 states, 1698 states have (on average 2.5547703180212014) internal successors, (4338), 1698 states have internal predecessors, (4338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:08,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1699 states and 4338 transitions. [2022-09-16 10:42:08,869 INFO L78 Accepts]: Start accepts. Automaton has 1699 states and 4338 transitions. Word has length 111 [2022-09-16 10:42:08,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:08,869 INFO L495 AbstractCegarLoop]: Abstraction has 1699 states and 4338 transitions. [2022-09-16 10:42:08,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:08,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 4338 transitions. [2022-09-16 10:42:08,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:08,871 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:08,871 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:08,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2022-09-16 10:42:08,871 INFO L420 AbstractCegarLoop]: === Iteration 148 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:08,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:08,871 INFO L85 PathProgramCache]: Analyzing trace with hash 2075458154, now seen corresponding path program 51 times [2022-09-16 10:42:08,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:08,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063675240] [2022-09-16 10:42:08,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:08,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:09,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:09,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:09,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063675240] [2022-09-16 10:42:09,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063675240] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:09,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:09,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:09,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461600614] [2022-09-16 10:42:09,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:09,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:09,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:09,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:09,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:09,092 INFO L87 Difference]: Start difference. First operand 1699 states and 4338 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:09,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:09,581 INFO L93 Difference]: Finished difference Result 1998 states and 4968 transitions. [2022-09-16 10:42:09,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:42:09,582 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:09,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:09,584 INFO L225 Difference]: With dead ends: 1998 [2022-09-16 10:42:09,584 INFO L226 Difference]: Without dead ends: 1850 [2022-09-16 10:42:09,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=541, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:42:09,585 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 390 mSDsluCounter, 1074 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 1222 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:09,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 1222 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:42:09,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1850 states. [2022-09-16 10:42:09,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1850 to 1683. [2022-09-16 10:42:09,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1683 states, 1682 states have (on average 2.56064209274673) internal successors, (4307), 1682 states have internal predecessors, (4307), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:09,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1683 states and 4307 transitions. [2022-09-16 10:42:09,601 INFO L78 Accepts]: Start accepts. Automaton has 1683 states and 4307 transitions. Word has length 111 [2022-09-16 10:42:09,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:09,601 INFO L495 AbstractCegarLoop]: Abstraction has 1683 states and 4307 transitions. [2022-09-16 10:42:09,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:09,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 4307 transitions. [2022-09-16 10:42:09,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:09,603 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:09,603 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:09,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2022-09-16 10:42:09,603 INFO L420 AbstractCegarLoop]: === Iteration 149 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:09,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:09,603 INFO L85 PathProgramCache]: Analyzing trace with hash 432797648, now seen corresponding path program 52 times [2022-09-16 10:42:09,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:09,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182782356] [2022-09-16 10:42:09,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:09,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:09,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:09,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:09,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182782356] [2022-09-16 10:42:09,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182782356] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:09,841 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:09,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:09,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515996745] [2022-09-16 10:42:09,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:09,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:09,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:09,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:09,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:09,842 INFO L87 Difference]: Start difference. First operand 1683 states and 4307 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:10,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:10,430 INFO L93 Difference]: Finished difference Result 2333 states and 5694 transitions. [2022-09-16 10:42:10,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:42:10,430 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:10,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:10,433 INFO L225 Difference]: With dead ends: 2333 [2022-09-16 10:42:10,433 INFO L226 Difference]: Without dead ends: 2209 [2022-09-16 10:42:10,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=541, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:42:10,434 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 433 mSDsluCounter, 1155 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 1289 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:10,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 1289 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:42:10,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2209 states. [2022-09-16 10:42:10,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2209 to 1737. [2022-09-16 10:42:10,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1737 states, 1736 states have (on average 2.55184331797235) internal successors, (4430), 1736 states have internal predecessors, (4430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:10,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1737 states to 1737 states and 4430 transitions. [2022-09-16 10:42:10,452 INFO L78 Accepts]: Start accepts. Automaton has 1737 states and 4430 transitions. Word has length 111 [2022-09-16 10:42:10,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:10,452 INFO L495 AbstractCegarLoop]: Abstraction has 1737 states and 4430 transitions. [2022-09-16 10:42:10,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:10,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1737 states and 4430 transitions. [2022-09-16 10:42:10,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:10,454 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:10,454 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:10,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2022-09-16 10:42:10,454 INFO L420 AbstractCegarLoop]: === Iteration 150 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:10,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:10,455 INFO L85 PathProgramCache]: Analyzing trace with hash 453347824, now seen corresponding path program 53 times [2022-09-16 10:42:10,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:10,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372848614] [2022-09-16 10:42:10,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:10,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:10,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:10,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:10,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372848614] [2022-09-16 10:42:10,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372848614] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:10,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:10,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:42:10,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738555955] [2022-09-16 10:42:10,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:10,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:42:10,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:10,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:42:10,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=583, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:42:10,993 INFO L87 Difference]: Start difference. First operand 1737 states and 4430 transitions. Second operand has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:12,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:12,556 INFO L93 Difference]: Finished difference Result 2008 states and 5016 transitions. [2022-09-16 10:42:12,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-09-16 10:42:12,556 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:12,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:12,559 INFO L225 Difference]: With dead ends: 2008 [2022-09-16 10:42:12,559 INFO L226 Difference]: Without dead ends: 1925 [2022-09-16 10:42:12,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=395, Invalid=1497, Unknown=0, NotChecked=0, Total=1892 [2022-09-16 10:42:12,559 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 1082 mSDsluCounter, 1635 mSDsCounter, 0 mSdLazyCounter, 1097 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1082 SdHoareTripleChecker+Valid, 1722 SdHoareTripleChecker+Invalid, 1176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 1097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:12,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1082 Valid, 1722 Invalid, 1176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 1097 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:42:12,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1925 states. [2022-09-16 10:42:12,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1925 to 1743. [2022-09-16 10:42:12,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1743 states, 1742 states have (on average 2.548220436280138) internal successors, (4439), 1742 states have internal predecessors, (4439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:12,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1743 states and 4439 transitions. [2022-09-16 10:42:12,579 INFO L78 Accepts]: Start accepts. Automaton has 1743 states and 4439 transitions. Word has length 111 [2022-09-16 10:42:12,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:12,579 INFO L495 AbstractCegarLoop]: Abstraction has 1743 states and 4439 transitions. [2022-09-16 10:42:12,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:12,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 4439 transitions. [2022-09-16 10:42:12,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:12,581 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:12,581 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:12,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2022-09-16 10:42:12,581 INFO L420 AbstractCegarLoop]: === Iteration 151 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:12,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:12,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1501514532, now seen corresponding path program 54 times [2022-09-16 10:42:12,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:12,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219509472] [2022-09-16 10:42:12,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:12,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:13,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:13,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:13,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219509472] [2022-09-16 10:42:13,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219509472] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:13,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:13,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:42:13,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203105771] [2022-09-16 10:42:13,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:13,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:42:13,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:13,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:42:13,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:42:13,145 INFO L87 Difference]: Start difference. First operand 1743 states and 4439 transitions. Second operand has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:14,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:14,575 INFO L93 Difference]: Finished difference Result 1921 states and 4843 transitions. [2022-09-16 10:42:14,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-09-16 10:42:14,575 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:14,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:14,578 INFO L225 Difference]: With dead ends: 1921 [2022-09-16 10:42:14,578 INFO L226 Difference]: Without dead ends: 1831 [2022-09-16 10:42:14,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=369, Invalid=1353, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:42:14,578 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 857 mSDsluCounter, 1427 mSDsCounter, 0 mSdLazyCounter, 990 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 857 SdHoareTripleChecker+Valid, 1522 SdHoareTripleChecker+Invalid, 1057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 990 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:14,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [857 Valid, 1522 Invalid, 1057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 990 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:42:14,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1831 states. [2022-09-16 10:42:14,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1831 to 1729. [2022-09-16 10:42:14,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1729 states, 1728 states have (on average 2.5520833333333335) internal successors, (4410), 1728 states have internal predecessors, (4410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:14,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 1729 states and 4410 transitions. [2022-09-16 10:42:14,602 INFO L78 Accepts]: Start accepts. Automaton has 1729 states and 4410 transitions. Word has length 111 [2022-09-16 10:42:14,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:14,603 INFO L495 AbstractCegarLoop]: Abstraction has 1729 states and 4410 transitions. [2022-09-16 10:42:14,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:14,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 4410 transitions. [2022-09-16 10:42:14,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:14,605 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:14,605 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:14,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2022-09-16 10:42:14,605 INFO L420 AbstractCegarLoop]: === Iteration 152 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:14,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:14,606 INFO L85 PathProgramCache]: Analyzing trace with hash -535584962, now seen corresponding path program 55 times [2022-09-16 10:42:14,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:14,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999307646] [2022-09-16 10:42:14,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:14,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:15,152 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 10:42:15,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:15,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999307646] [2022-09-16 10:42:15,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999307646] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:15,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:15,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:42:15,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441107012] [2022-09-16 10:42:15,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:15,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:42:15,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:15,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:42:15,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=583, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:42:15,153 INFO L87 Difference]: Start difference. First operand 1729 states and 4410 transitions. Second operand has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:16,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:16,659 INFO L93 Difference]: Finished difference Result 2044 states and 5088 transitions. [2022-09-16 10:42:16,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-09-16 10:42:16,660 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:16,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:16,662 INFO L225 Difference]: With dead ends: 2044 [2022-09-16 10:42:16,662 INFO L226 Difference]: Without dead ends: 1916 [2022-09-16 10:42:16,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=385, Invalid=1507, Unknown=0, NotChecked=0, Total=1892 [2022-09-16 10:42:16,663 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 891 mSDsluCounter, 1654 mSDsCounter, 0 mSdLazyCounter, 1034 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 891 SdHoareTripleChecker+Valid, 1742 SdHoareTripleChecker+Invalid, 1106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 1034 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:16,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [891 Valid, 1742 Invalid, 1106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 1034 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:42:16,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1916 states. [2022-09-16 10:42:16,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1916 to 1735. [2022-09-16 10:42:16,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1735 states, 1734 states have (on average 2.5484429065743943) internal successors, (4419), 1734 states have internal predecessors, (4419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:16,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1735 states and 4419 transitions. [2022-09-16 10:42:16,682 INFO L78 Accepts]: Start accepts. Automaton has 1735 states and 4419 transitions. Word has length 111 [2022-09-16 10:42:16,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:16,683 INFO L495 AbstractCegarLoop]: Abstraction has 1735 states and 4419 transitions. [2022-09-16 10:42:16,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:16,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 4419 transitions. [2022-09-16 10:42:16,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:16,684 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:16,685 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:16,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2022-09-16 10:42:16,685 INFO L420 AbstractCegarLoop]: === Iteration 153 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:16,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:16,685 INFO L85 PathProgramCache]: Analyzing trace with hash 188746600, now seen corresponding path program 56 times [2022-09-16 10:42:16,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:16,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303213051] [2022-09-16 10:42:16,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:16,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:16,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:16,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:16,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303213051] [2022-09-16 10:42:16,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303213051] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:16,939 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:16,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:16,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005071115] [2022-09-16 10:42:16,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:16,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:16,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:16,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:16,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:16,939 INFO L87 Difference]: Start difference. First operand 1735 states and 4419 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:17,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:17,585 INFO L93 Difference]: Finished difference Result 2224 states and 5431 transitions. [2022-09-16 10:42:17,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:42:17,586 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:17,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:17,588 INFO L225 Difference]: With dead ends: 2224 [2022-09-16 10:42:17,589 INFO L226 Difference]: Without dead ends: 2141 [2022-09-16 10:42:17,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=229, Invalid=583, Unknown=0, NotChecked=0, Total=812 [2022-09-16 10:42:17,589 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 413 mSDsluCounter, 1262 mSDsCounter, 0 mSdLazyCounter, 532 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 1389 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:17,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 1389 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 532 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:42:17,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2141 states. [2022-09-16 10:42:17,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2141 to 1737. [2022-09-16 10:42:17,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1737 states, 1736 states have (on average 2.5472350230414746) internal successors, (4422), 1736 states have internal predecessors, (4422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:17,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1737 states to 1737 states and 4422 transitions. [2022-09-16 10:42:17,610 INFO L78 Accepts]: Start accepts. Automaton has 1737 states and 4422 transitions. Word has length 111 [2022-09-16 10:42:17,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:17,610 INFO L495 AbstractCegarLoop]: Abstraction has 1737 states and 4422 transitions. [2022-09-16 10:42:17,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:17,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1737 states and 4422 transitions. [2022-09-16 10:42:17,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:17,612 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:17,612 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:17,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2022-09-16 10:42:17,612 INFO L420 AbstractCegarLoop]: === Iteration 154 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:17,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:17,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1236913308, now seen corresponding path program 57 times [2022-09-16 10:42:17,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:17,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344711567] [2022-09-16 10:42:17,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:17,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:18,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:18,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:18,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344711567] [2022-09-16 10:42:18,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344711567] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:18,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:18,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:42:18,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170276734] [2022-09-16 10:42:18,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:18,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:42:18,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:18,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:42:18,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:42:18,193 INFO L87 Difference]: Start difference. First operand 1737 states and 4422 transitions. Second operand has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:19,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:19,752 INFO L93 Difference]: Finished difference Result 1929 states and 4851 transitions. [2022-09-16 10:42:19,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-09-16 10:42:19,753 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:19,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:19,755 INFO L225 Difference]: With dead ends: 1929 [2022-09-16 10:42:19,755 INFO L226 Difference]: Without dead ends: 1845 [2022-09-16 10:42:19,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=394, Invalid=1498, Unknown=0, NotChecked=0, Total=1892 [2022-09-16 10:42:19,756 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 859 mSDsluCounter, 1655 mSDsCounter, 0 mSdLazyCounter, 1142 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 859 SdHoareTripleChecker+Valid, 1747 SdHoareTripleChecker+Invalid, 1210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:19,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [859 Valid, 1747 Invalid, 1210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1142 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:42:19,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1845 states. [2022-09-16 10:42:19,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1845 to 1731. [2022-09-16 10:42:19,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1731 states, 1730 states have (on average 2.547398843930636) internal successors, (4407), 1730 states have internal predecessors, (4407), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:19,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1731 states and 4407 transitions. [2022-09-16 10:42:19,775 INFO L78 Accepts]: Start accepts. Automaton has 1731 states and 4407 transitions. Word has length 111 [2022-09-16 10:42:19,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:19,775 INFO L495 AbstractCegarLoop]: Abstraction has 1731 states and 4407 transitions. [2022-09-16 10:42:19,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:19,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 4407 transitions. [2022-09-16 10:42:19,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:19,777 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:19,777 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:19,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2022-09-16 10:42:19,777 INFO L420 AbstractCegarLoop]: === Iteration 155 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:19,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:19,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1223927896, now seen corresponding path program 58 times [2022-09-16 10:42:19,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:19,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373252405] [2022-09-16 10:42:19,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:19,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:19,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:20,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:20,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:20,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373252405] [2022-09-16 10:42:20,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373252405] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:20,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:20,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:20,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150274696] [2022-09-16 10:42:20,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:20,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:20,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:20,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:20,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:20,033 INFO L87 Difference]: Start difference. First operand 1731 states and 4407 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:20,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:20,646 INFO L93 Difference]: Finished difference Result 2138 states and 5258 transitions. [2022-09-16 10:42:20,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:42:20,646 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:20,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:20,649 INFO L225 Difference]: With dead ends: 2138 [2022-09-16 10:42:20,649 INFO L226 Difference]: Without dead ends: 2013 [2022-09-16 10:42:20,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=236, Invalid=576, Unknown=0, NotChecked=0, Total=812 [2022-09-16 10:42:20,650 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 385 mSDsluCounter, 1167 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 1294 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:20,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 1294 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:42:20,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2013 states. [2022-09-16 10:42:20,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2013 to 1689. [2022-09-16 10:42:20,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1689 states, 1688 states have (on average 2.556872037914692) internal successors, (4316), 1688 states have internal predecessors, (4316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:20,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 1689 states and 4316 transitions. [2022-09-16 10:42:20,670 INFO L78 Accepts]: Start accepts. Automaton has 1689 states and 4316 transitions. Word has length 111 [2022-09-16 10:42:20,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:20,670 INFO L495 AbstractCegarLoop]: Abstraction has 1689 states and 4316 transitions. [2022-09-16 10:42:20,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:20,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1689 states and 4316 transitions. [2022-09-16 10:42:20,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:20,673 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:20,673 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:20,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2022-09-16 10:42:20,674 INFO L420 AbstractCegarLoop]: === Iteration 156 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:20,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:20,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1197979216, now seen corresponding path program 59 times [2022-09-16 10:42:20,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:20,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192334685] [2022-09-16 10:42:20,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:20,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:20,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:20,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:20,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192334685] [2022-09-16 10:42:20,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192334685] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:20,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:20,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:20,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387588607] [2022-09-16 10:42:20,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:20,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:20,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:20,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:20,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:20,907 INFO L87 Difference]: Start difference. First operand 1689 states and 4316 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:21,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:21,448 INFO L93 Difference]: Finished difference Result 2227 states and 5439 transitions. [2022-09-16 10:42:21,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:42:21,448 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:21,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:21,451 INFO L225 Difference]: With dead ends: 2227 [2022-09-16 10:42:21,451 INFO L226 Difference]: Without dead ends: 2103 [2022-09-16 10:42:21,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=541, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:42:21,452 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 601 mSDsluCounter, 1026 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 601 SdHoareTripleChecker+Valid, 1156 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:21,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [601 Valid, 1156 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:42:21,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2103 states. [2022-09-16 10:42:21,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2103 to 1703. [2022-09-16 10:42:21,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1703 states, 1702 states have (on average 2.5493537015276146) internal successors, (4339), 1702 states have internal predecessors, (4339), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:21,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 4339 transitions. [2022-09-16 10:42:21,470 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 4339 transitions. Word has length 111 [2022-09-16 10:42:21,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:21,470 INFO L495 AbstractCegarLoop]: Abstraction has 1703 states and 4339 transitions. [2022-09-16 10:42:21,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:21,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 4339 transitions. [2022-09-16 10:42:21,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:21,472 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:21,472 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:21,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2022-09-16 10:42:21,472 INFO L420 AbstractCegarLoop]: === Iteration 157 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:21,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:21,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1177429040, now seen corresponding path program 60 times [2022-09-16 10:42:21,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:21,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907832715] [2022-09-16 10:42:21,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:21,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:21,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:21,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:21,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907832715] [2022-09-16 10:42:21,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907832715] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:21,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:21,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:21,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705121163] [2022-09-16 10:42:21,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:21,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:21,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:21,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:21,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:21,706 INFO L87 Difference]: Start difference. First operand 1703 states and 4339 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:22,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:22,349 INFO L93 Difference]: Finished difference Result 2091 states and 5145 transitions. [2022-09-16 10:42:22,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:42:22,350 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:22,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:22,352 INFO L225 Difference]: With dead ends: 2091 [2022-09-16 10:42:22,352 INFO L226 Difference]: Without dead ends: 2008 [2022-09-16 10:42:22,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=236, Invalid=576, Unknown=0, NotChecked=0, Total=812 [2022-09-16 10:42:22,353 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 369 mSDsluCounter, 1396 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 1519 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:22,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 1519 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:42:22,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2008 states. [2022-09-16 10:42:22,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2008 to 1705. [2022-09-16 10:42:22,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1705 states, 1704 states have (on average 2.5481220657276995) internal successors, (4342), 1704 states have internal predecessors, (4342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:22,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 4342 transitions. [2022-09-16 10:42:22,371 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 4342 transitions. Word has length 111 [2022-09-16 10:42:22,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:22,371 INFO L495 AbstractCegarLoop]: Abstraction has 1705 states and 4342 transitions. [2022-09-16 10:42:22,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:22,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 4342 transitions. [2022-09-16 10:42:22,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:22,373 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:22,373 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:22,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2022-09-16 10:42:22,373 INFO L420 AbstractCegarLoop]: === Iteration 158 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:22,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:22,373 INFO L85 PathProgramCache]: Analyzing trace with hash -129262332, now seen corresponding path program 61 times [2022-09-16 10:42:22,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:22,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361190231] [2022-09-16 10:42:22,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:22,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:22,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:22,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:22,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361190231] [2022-09-16 10:42:22,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361190231] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:22,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:22,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:22,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310241402] [2022-09-16 10:42:22,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:22,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:22,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:22,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:22,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:22,614 INFO L87 Difference]: Start difference. First operand 1705 states and 4342 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:23,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:23,166 INFO L93 Difference]: Finished difference Result 2084 states and 5128 transitions. [2022-09-16 10:42:23,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:42:23,167 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:23,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:23,169 INFO L225 Difference]: With dead ends: 2084 [2022-09-16 10:42:23,169 INFO L226 Difference]: Without dead ends: 1994 [2022-09-16 10:42:23,170 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:42:23,170 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 445 mSDsluCounter, 1091 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 445 SdHoareTripleChecker+Valid, 1218 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:23,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [445 Valid, 1218 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:42:23,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1994 states. [2022-09-16 10:42:23,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1994 to 1691. [2022-09-16 10:42:23,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1691 states, 1690 states have (on average 2.555621301775148) internal successors, (4319), 1690 states have internal predecessors, (4319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:23,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1691 states and 4319 transitions. [2022-09-16 10:42:23,188 INFO L78 Accepts]: Start accepts. Automaton has 1691 states and 4319 transitions. Word has length 111 [2022-09-16 10:42:23,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:23,188 INFO L495 AbstractCegarLoop]: Abstraction has 1691 states and 4319 transitions. [2022-09-16 10:42:23,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:23,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 4319 transitions. [2022-09-16 10:42:23,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:23,190 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:23,190 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:23,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2022-09-16 10:42:23,190 INFO L420 AbstractCegarLoop]: === Iteration 159 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:23,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:23,191 INFO L85 PathProgramCache]: Analyzing trace with hash -864508718, now seen corresponding path program 62 times [2022-09-16 10:42:23,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:23,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220115563] [2022-09-16 10:42:23,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:23,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:23,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:23,757 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 10:42:23,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:23,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220115563] [2022-09-16 10:42:23,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220115563] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:23,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:23,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:42:23,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582433531] [2022-09-16 10:42:23,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:23,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:42:23,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:23,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:42:23,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:42:23,758 INFO L87 Difference]: Start difference. First operand 1691 states and 4319 transitions. Second operand has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:25,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:25,144 INFO L93 Difference]: Finished difference Result 1855 states and 4674 transitions. [2022-09-16 10:42:25,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-09-16 10:42:25,145 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:25,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:25,147 INFO L225 Difference]: With dead ends: 1855 [2022-09-16 10:42:25,147 INFO L226 Difference]: Without dead ends: 1667 [2022-09-16 10:42:25,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=376, Invalid=1346, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:42:25,148 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 955 mSDsluCounter, 1311 mSDsCounter, 0 mSdLazyCounter, 866 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 955 SdHoareTripleChecker+Valid, 1404 SdHoareTripleChecker+Invalid, 959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:25,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [955 Valid, 1404 Invalid, 959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 866 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:42:25,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1667 states. [2022-09-16 10:42:25,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1667 to 1635. [2022-09-16 10:42:25,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1635 states, 1634 states have (on average 2.5599755201958385) internal successors, (4183), 1634 states have internal predecessors, (4183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:25,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 4183 transitions. [2022-09-16 10:42:25,165 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 4183 transitions. Word has length 111 [2022-09-16 10:42:25,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:25,166 INFO L495 AbstractCegarLoop]: Abstraction has 1635 states and 4183 transitions. [2022-09-16 10:42:25,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:25,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 4183 transitions. [2022-09-16 10:42:25,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:25,168 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:25,168 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:25,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2022-09-16 10:42:25,169 INFO L420 AbstractCegarLoop]: === Iteration 160 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:25,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:25,169 INFO L85 PathProgramCache]: Analyzing trace with hash -695687572, now seen corresponding path program 63 times [2022-09-16 10:42:25,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:25,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013745976] [2022-09-16 10:42:25,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:25,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:25,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:25,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:25,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013745976] [2022-09-16 10:42:25,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013745976] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:25,434 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:25,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:25,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910732026] [2022-09-16 10:42:25,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:25,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:25,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:25,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:25,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:25,435 INFO L87 Difference]: Start difference. First operand 1635 states and 4183 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:26,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:26,133 INFO L93 Difference]: Finished difference Result 3058 states and 7704 transitions. [2022-09-16 10:42:26,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:42:26,133 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:26,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:26,137 INFO L225 Difference]: With dead ends: 3058 [2022-09-16 10:42:26,137 INFO L226 Difference]: Without dead ends: 2710 [2022-09-16 10:42:26,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=243, Invalid=569, Unknown=0, NotChecked=0, Total=812 [2022-09-16 10:42:26,138 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 499 mSDsluCounter, 1238 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 1404 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:26,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 1404 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:42:26,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2710 states. [2022-09-16 10:42:26,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2710 to 2027. [2022-09-16 10:42:26,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2027 states, 2026 states have (on average 2.569101678183613) internal successors, (5205), 2026 states have internal predecessors, (5205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:26,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2027 states to 2027 states and 5205 transitions. [2022-09-16 10:42:26,164 INFO L78 Accepts]: Start accepts. Automaton has 2027 states and 5205 transitions. Word has length 111 [2022-09-16 10:42:26,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:26,164 INFO L495 AbstractCegarLoop]: Abstraction has 2027 states and 5205 transitions. [2022-09-16 10:42:26,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:26,164 INFO L276 IsEmpty]: Start isEmpty. Operand 2027 states and 5205 transitions. [2022-09-16 10:42:26,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:26,166 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:26,166 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:26,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2022-09-16 10:42:26,167 INFO L420 AbstractCegarLoop]: === Iteration 161 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:26,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:26,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1710897358, now seen corresponding path program 64 times [2022-09-16 10:42:26,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:26,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250578734] [2022-09-16 10:42:26,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:26,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:26,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:26,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:26,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250578734] [2022-09-16 10:42:26,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250578734] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:26,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:26,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:26,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333535917] [2022-09-16 10:42:26,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:26,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:26,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:26,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:26,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:26,410 INFO L87 Difference]: Start difference. First operand 2027 states and 5205 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:27,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:27,122 INFO L93 Difference]: Finished difference Result 2786 states and 6952 transitions. [2022-09-16 10:42:27,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 10:42:27,123 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:27,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:27,126 INFO L225 Difference]: With dead ends: 2786 [2022-09-16 10:42:27,126 INFO L226 Difference]: Without dead ends: 2654 [2022-09-16 10:42:27,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=250, Invalid=620, Unknown=0, NotChecked=0, Total=870 [2022-09-16 10:42:27,127 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 572 mSDsluCounter, 1101 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 1258 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:27,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 1258 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:42:27,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2654 states. [2022-09-16 10:42:27,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2654 to 1971. [2022-09-16 10:42:27,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1971 states, 1970 states have (on average 2.5639593908629443) internal successors, (5051), 1970 states have internal predecessors, (5051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:27,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1971 states to 1971 states and 5051 transitions. [2022-09-16 10:42:27,151 INFO L78 Accepts]: Start accepts. Automaton has 1971 states and 5051 transitions. Word has length 111 [2022-09-16 10:42:27,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:27,151 INFO L495 AbstractCegarLoop]: Abstraction has 1971 states and 5051 transitions. [2022-09-16 10:42:27,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:27,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1971 states and 5051 transitions. [2022-09-16 10:42:27,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:27,153 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:27,153 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:27,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2022-09-16 10:42:27,153 INFO L420 AbstractCegarLoop]: === Iteration 162 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:27,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:27,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1080898810, now seen corresponding path program 65 times [2022-09-16 10:42:27,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:27,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287592632] [2022-09-16 10:42:27,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:27,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:27,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:27,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:27,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287592632] [2022-09-16 10:42:27,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287592632] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:27,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:27,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:27,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355832886] [2022-09-16 10:42:27,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:27,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:27,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:27,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:27,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:27,383 INFO L87 Difference]: Start difference. First operand 1971 states and 5051 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:27,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:27,965 INFO L93 Difference]: Finished difference Result 2806 states and 6951 transitions. [2022-09-16 10:42:27,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:42:27,966 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:27,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:27,969 INFO L225 Difference]: With dead ends: 2806 [2022-09-16 10:42:27,969 INFO L226 Difference]: Without dead ends: 2346 [2022-09-16 10:42:27,969 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=541, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:42:27,969 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 537 mSDsluCounter, 1043 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 1194 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:27,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [537 Valid, 1194 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:42:27,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2346 states. [2022-09-16 10:42:27,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2346 to 1635. [2022-09-16 10:42:27,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1635 states, 1634 states have (on average 2.5085679314565485) internal successors, (4099), 1634 states have internal predecessors, (4099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:27,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 4099 transitions. [2022-09-16 10:42:27,989 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 4099 transitions. Word has length 111 [2022-09-16 10:42:27,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:27,989 INFO L495 AbstractCegarLoop]: Abstraction has 1635 states and 4099 transitions. [2022-09-16 10:42:27,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:27,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 4099 transitions. [2022-09-16 10:42:27,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:27,991 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:27,991 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:27,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2022-09-16 10:42:27,991 INFO L420 AbstractCegarLoop]: === Iteration 163 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:27,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:27,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1708571032, now seen corresponding path program 66 times [2022-09-16 10:42:27,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:27,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119741234] [2022-09-16 10:42:27,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:27,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:28,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:28,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:28,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119741234] [2022-09-16 10:42:28,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119741234] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:28,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:28,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:28,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248987491] [2022-09-16 10:42:28,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:28,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:28,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:28,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:28,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:28,240 INFO L87 Difference]: Start difference. First operand 1635 states and 4099 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:28,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:28,735 INFO L93 Difference]: Finished difference Result 2194 states and 5392 transitions. [2022-09-16 10:42:28,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 10:42:28,735 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:28,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:28,737 INFO L225 Difference]: With dead ends: 2194 [2022-09-16 10:42:28,738 INFO L226 Difference]: Without dead ends: 1846 [2022-09-16 10:42:28,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=261, Invalid=609, Unknown=0, NotChecked=0, Total=870 [2022-09-16 10:42:28,738 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 609 mSDsluCounter, 854 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 1027 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:28,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 1027 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:42:28,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1846 states. [2022-09-16 10:42:28,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1846 to 1635. [2022-09-16 10:42:28,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1635 states, 1634 states have (on average 2.4657282741738067) internal successors, (4029), 1634 states have internal predecessors, (4029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:28,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 4029 transitions. [2022-09-16 10:42:28,754 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 4029 transitions. Word has length 111 [2022-09-16 10:42:28,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:28,754 INFO L495 AbstractCegarLoop]: Abstraction has 1635 states and 4029 transitions. [2022-09-16 10:42:28,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:28,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 4029 transitions. [2022-09-16 10:42:28,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:28,756 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:28,756 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:28,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2022-09-16 10:42:28,756 INFO L420 AbstractCegarLoop]: === Iteration 164 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:28,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:28,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1569087916, now seen corresponding path program 67 times [2022-09-16 10:42:28,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:28,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949641906] [2022-09-16 10:42:28,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:28,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:29,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:29,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:29,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949641906] [2022-09-16 10:42:29,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949641906] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:29,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:29,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:29,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850096958] [2022-09-16 10:42:29,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:29,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:29,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:29,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:29,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:29,014 INFO L87 Difference]: Start difference. First operand 1635 states and 4029 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:29,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:29,823 INFO L93 Difference]: Finished difference Result 2001 states and 4779 transitions. [2022-09-16 10:42:29,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-09-16 10:42:29,824 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:29,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:29,826 INFO L225 Difference]: With dead ends: 2001 [2022-09-16 10:42:29,826 INFO L226 Difference]: Without dead ends: 1848 [2022-09-16 10:42:29,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=305, Invalid=687, Unknown=0, NotChecked=0, Total=992 [2022-09-16 10:42:29,827 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 639 mSDsluCounter, 1206 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 1359 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:29,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 1359 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:42:29,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1848 states. [2022-09-16 10:42:29,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1848 to 1565. [2022-09-16 10:42:29,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1565 states, 1564 states have (on average 2.4865728900255752) internal successors, (3889), 1564 states have internal predecessors, (3889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:29,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1565 states and 3889 transitions. [2022-09-16 10:42:29,843 INFO L78 Accepts]: Start accepts. Automaton has 1565 states and 3889 transitions. Word has length 111 [2022-09-16 10:42:29,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:29,843 INFO L495 AbstractCegarLoop]: Abstraction has 1565 states and 3889 transitions. [2022-09-16 10:42:29,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:29,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 3889 transitions. [2022-09-16 10:42:29,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:29,845 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:29,845 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:29,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2022-09-16 10:42:29,845 INFO L420 AbstractCegarLoop]: === Iteration 165 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:29,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:29,846 INFO L85 PathProgramCache]: Analyzing trace with hash -83257116, now seen corresponding path program 68 times [2022-09-16 10:42:29,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:29,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541871596] [2022-09-16 10:42:29,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:29,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:30,100 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 10:42:30,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:30,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541871596] [2022-09-16 10:42:30,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541871596] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:30,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:30,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:30,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919354555] [2022-09-16 10:42:30,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:30,100 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:30,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:30,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:30,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:30,101 INFO L87 Difference]: Start difference. First operand 1565 states and 3889 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:30,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:30,700 INFO L93 Difference]: Finished difference Result 2196 states and 5372 transitions. [2022-09-16 10:42:30,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:42:30,700 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:30,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:30,703 INFO L225 Difference]: With dead ends: 2196 [2022-09-16 10:42:30,703 INFO L226 Difference]: Without dead ends: 1848 [2022-09-16 10:42:30,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=236, Invalid=576, Unknown=0, NotChecked=0, Total=812 [2022-09-16 10:42:30,703 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 603 mSDsluCounter, 991 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 1158 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:30,703 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 1158 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:42:30,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1848 states. [2022-09-16 10:42:30,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1848 to 1621. [2022-09-16 10:42:30,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1621 states, 1620 states have (on average 2.4611111111111112) internal successors, (3987), 1620 states have internal predecessors, (3987), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:30,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1621 states to 1621 states and 3987 transitions. [2022-09-16 10:42:30,720 INFO L78 Accepts]: Start accepts. Automaton has 1621 states and 3987 transitions. Word has length 111 [2022-09-16 10:42:30,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:30,720 INFO L495 AbstractCegarLoop]: Abstraction has 1621 states and 3987 transitions. [2022-09-16 10:42:30,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:30,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1621 states and 3987 transitions. [2022-09-16 10:42:30,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:30,722 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:30,722 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:30,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2022-09-16 10:42:30,722 INFO L420 AbstractCegarLoop]: === Iteration 166 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:30,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:30,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1227323594, now seen corresponding path program 69 times [2022-09-16 10:42:30,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:30,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951523803] [2022-09-16 10:42:30,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:30,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:30,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:30,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:30,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951523803] [2022-09-16 10:42:30,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951523803] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:30,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:30,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:30,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515799388] [2022-09-16 10:42:30,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:30,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:30,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:30,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:30,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:30,991 INFO L87 Difference]: Start difference. First operand 1621 states and 3987 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:31,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:31,745 INFO L93 Difference]: Finished difference Result 1924 states and 4620 transitions. [2022-09-16 10:42:31,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 10:42:31,745 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:31,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:31,747 INFO L225 Difference]: With dead ends: 1924 [2022-09-16 10:42:31,747 INFO L226 Difference]: Without dead ends: 1792 [2022-09-16 10:42:31,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=244, Invalid=626, Unknown=0, NotChecked=0, Total=870 [2022-09-16 10:42:31,748 INFO L413 NwaCegarLoop]: 177 mSDtfsCounter, 447 mSDsluCounter, 1454 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 447 SdHoareTripleChecker+Valid, 1602 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:31,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [447 Valid, 1602 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:42:31,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1792 states. [2022-09-16 10:42:31,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1792 to 1565. [2022-09-16 10:42:31,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1565 states, 1564 states have (on average 2.477621483375959) internal successors, (3875), 1564 states have internal predecessors, (3875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:31,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1565 states and 3875 transitions. [2022-09-16 10:42:31,764 INFO L78 Accepts]: Start accepts. Automaton has 1565 states and 3875 transitions. Word has length 111 [2022-09-16 10:42:31,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:31,764 INFO L495 AbstractCegarLoop]: Abstraction has 1565 states and 3875 transitions. [2022-09-16 10:42:31,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:31,764 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 3875 transitions. [2022-09-16 10:42:31,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:31,766 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:31,766 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:31,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2022-09-16 10:42:31,766 INFO L420 AbstractCegarLoop]: === Iteration 167 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:31,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:31,766 INFO L85 PathProgramCache]: Analyzing trace with hash 540487606, now seen corresponding path program 70 times [2022-09-16 10:42:31,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:31,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856838548] [2022-09-16 10:42:31,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:31,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:32,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:32,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:32,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856838548] [2022-09-16 10:42:32,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856838548] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:32,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:32,434 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2022-09-16 10:42:32,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726799310] [2022-09-16 10:42:32,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:32,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-09-16 10:42:32,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:32,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-09-16 10:42:32,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=632, Unknown=0, NotChecked=0, Total=702 [2022-09-16 10:42:32,434 INFO L87 Difference]: Start difference. First operand 1565 states and 3875 transitions. Second operand has 27 states, 26 states have (on average 4.269230769230769) internal successors, (111), 27 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:36,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:36,400 INFO L93 Difference]: Finished difference Result 2028 states and 4895 transitions. [2022-09-16 10:42:36,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-09-16 10:42:36,400 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.269230769230769) internal successors, (111), 27 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:36,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:36,402 INFO L225 Difference]: With dead ends: 2028 [2022-09-16 10:42:36,402 INFO L226 Difference]: Without dead ends: 1945 [2022-09-16 10:42:36,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 800 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=1092, Invalid=3464, Unknown=0, NotChecked=0, Total=4556 [2022-09-16 10:42:36,403 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 1498 mSDsluCounter, 2244 mSDsCounter, 0 mSdLazyCounter, 1547 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1498 SdHoareTripleChecker+Valid, 2409 SdHoareTripleChecker+Invalid, 1701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 1547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:36,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1498 Valid, 2409 Invalid, 1701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 1547 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-09-16 10:42:36,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1945 states. [2022-09-16 10:42:36,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1945 to 1587. [2022-09-16 10:42:36,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1587 states, 1586 states have (on average 2.476670870113493) internal successors, (3928), 1586 states have internal predecessors, (3928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:36,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1587 states and 3928 transitions. [2022-09-16 10:42:36,420 INFO L78 Accepts]: Start accepts. Automaton has 1587 states and 3928 transitions. Word has length 111 [2022-09-16 10:42:36,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:36,420 INFO L495 AbstractCegarLoop]: Abstraction has 1587 states and 3928 transitions. [2022-09-16 10:42:36,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.269230769230769) internal successors, (111), 27 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:36,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 3928 transitions. [2022-09-16 10:42:36,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:36,422 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:36,422 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:36,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2022-09-16 10:42:36,422 INFO L420 AbstractCegarLoop]: === Iteration 168 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:36,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:36,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1588654314, now seen corresponding path program 71 times [2022-09-16 10:42:36,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:36,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038603265] [2022-09-16 10:42:36,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:36,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:36,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:36,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:36,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038603265] [2022-09-16 10:42:36,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038603265] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:36,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:36,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:36,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744082408] [2022-09-16 10:42:36,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:36,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:36,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:36,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:36,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:36,674 INFO L87 Difference]: Start difference. First operand 1587 states and 3928 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:37,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:37,283 INFO L93 Difference]: Finished difference Result 1848 states and 4471 transitions. [2022-09-16 10:42:37,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:42:37,283 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:37,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:37,285 INFO L225 Difference]: With dead ends: 1848 [2022-09-16 10:42:37,285 INFO L226 Difference]: Without dead ends: 1756 [2022-09-16 10:42:37,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=204, Invalid=552, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:42:37,286 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 429 mSDsluCounter, 1320 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 1460 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:37,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [429 Valid, 1460 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:42:37,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1756 states. [2022-09-16 10:42:37,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1756 to 1573. [2022-09-16 10:42:37,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1573 states, 1572 states have (on average 2.480916030534351) internal successors, (3900), 1572 states have internal predecessors, (3900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:37,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 1573 states and 3900 transitions. [2022-09-16 10:42:37,302 INFO L78 Accepts]: Start accepts. Automaton has 1573 states and 3900 transitions. Word has length 111 [2022-09-16 10:42:37,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:37,302 INFO L495 AbstractCegarLoop]: Abstraction has 1573 states and 3900 transitions. [2022-09-16 10:42:37,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:37,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 3900 transitions. [2022-09-16 10:42:37,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:37,303 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:37,303 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:37,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2022-09-16 10:42:37,304 INFO L420 AbstractCegarLoop]: === Iteration 169 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:37,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:37,304 INFO L85 PathProgramCache]: Analyzing trace with hash 952477474, now seen corresponding path program 72 times [2022-09-16 10:42:37,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:37,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015540824] [2022-09-16 10:42:37,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:37,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:37,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:37,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:37,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015540824] [2022-09-16 10:42:37,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015540824] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:37,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:37,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:42:37,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427107533] [2022-09-16 10:42:37,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:37,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:42:37,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:37,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:42:37,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:42:37,865 INFO L87 Difference]: Start difference. First operand 1573 states and 3900 transitions. Second operand has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:39,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:39,322 INFO L93 Difference]: Finished difference Result 1839 states and 4474 transitions. [2022-09-16 10:42:39,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-09-16 10:42:39,322 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:39,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:39,325 INFO L225 Difference]: With dead ends: 1839 [2022-09-16 10:42:39,325 INFO L226 Difference]: Without dead ends: 1713 [2022-09-16 10:42:39,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 262 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=375, Invalid=1431, Unknown=0, NotChecked=0, Total=1806 [2022-09-16 10:42:39,325 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 1084 mSDsluCounter, 1636 mSDsCounter, 0 mSdLazyCounter, 995 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1084 SdHoareTripleChecker+Valid, 1754 SdHoareTripleChecker+Invalid, 1091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:39,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1084 Valid, 1754 Invalid, 1091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 995 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:42:39,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2022-09-16 10:42:39,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1545. [2022-09-16 10:42:39,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1544 states have (on average 2.489637305699482) internal successors, (3844), 1544 states have internal predecessors, (3844), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:39,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 3844 transitions. [2022-09-16 10:42:39,343 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 3844 transitions. Word has length 111 [2022-09-16 10:42:39,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:39,343 INFO L495 AbstractCegarLoop]: Abstraction has 1545 states and 3844 transitions. [2022-09-16 10:42:39,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:39,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 3844 transitions. [2022-09-16 10:42:39,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:39,345 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:39,345 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:39,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2022-09-16 10:42:39,345 INFO L420 AbstractCegarLoop]: === Iteration 170 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:39,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:39,345 INFO L85 PathProgramCache]: Analyzing trace with hash 459463850, now seen corresponding path program 73 times [2022-09-16 10:42:39,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:39,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254817357] [2022-09-16 10:42:39,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:39,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:39,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:39,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:39,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254817357] [2022-09-16 10:42:39,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254817357] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:39,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:39,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:39,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354877023] [2022-09-16 10:42:39,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:39,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:39,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:39,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:39,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:39,585 INFO L87 Difference]: Start difference. First operand 1545 states and 3844 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:40,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:40,178 INFO L93 Difference]: Finished difference Result 2058 states and 4909 transitions. [2022-09-16 10:42:40,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:42:40,178 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:40,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:40,181 INFO L225 Difference]: With dead ends: 2058 [2022-09-16 10:42:40,181 INFO L226 Difference]: Without dead ends: 1934 [2022-09-16 10:42:40,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=541, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:42:40,181 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 515 mSDsluCounter, 1137 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 1273 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:40,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 1273 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:42:40,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2022-09-16 10:42:40,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1557. [2022-09-16 10:42:40,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1557 states, 1556 states have (on average 2.482005141388175) internal successors, (3862), 1556 states have internal predecessors, (3862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:40,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1557 states and 3862 transitions. [2022-09-16 10:42:40,198 INFO L78 Accepts]: Start accepts. Automaton has 1557 states and 3862 transitions. Word has length 111 [2022-09-16 10:42:40,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:40,198 INFO L495 AbstractCegarLoop]: Abstraction has 1557 states and 3862 transitions. [2022-09-16 10:42:40,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:40,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 3862 transitions. [2022-09-16 10:42:40,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:40,200 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:40,200 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:40,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2022-09-16 10:42:40,200 INFO L420 AbstractCegarLoop]: === Iteration 171 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:40,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:40,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1988452830, now seen corresponding path program 74 times [2022-09-16 10:42:40,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:40,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201589978] [2022-09-16 10:42:40,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:40,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:40,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:40,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:40,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201589978] [2022-09-16 10:42:40,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201589978] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:40,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:40,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:42:40,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015830558] [2022-09-16 10:42:40,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:40,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:42:40,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:40,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:42:40,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:42:40,756 INFO L87 Difference]: Start difference. First operand 1557 states and 3862 transitions. Second operand has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:42,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:42,193 INFO L93 Difference]: Finished difference Result 1773 states and 4351 transitions. [2022-09-16 10:42:42,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-09-16 10:42:42,194 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:42,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:42,196 INFO L225 Difference]: With dead ends: 1773 [2022-09-16 10:42:42,196 INFO L226 Difference]: Without dead ends: 1627 [2022-09-16 10:42:42,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=384, Invalid=1422, Unknown=0, NotChecked=0, Total=1806 [2022-09-16 10:42:42,196 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 981 mSDsluCounter, 1352 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 981 SdHoareTripleChecker+Valid, 1464 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:42,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [981 Valid, 1464 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 879 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:42:42,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1627 states. [2022-09-16 10:42:42,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1627 to 1489. [2022-09-16 10:42:42,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1489 states, 1488 states have (on average 2.5080645161290325) internal successors, (3732), 1488 states have internal predecessors, (3732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:42,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1489 states and 3732 transitions. [2022-09-16 10:42:42,212 INFO L78 Accepts]: Start accepts. Automaton has 1489 states and 3732 transitions. Word has length 111 [2022-09-16 10:42:42,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:42,212 INFO L495 AbstractCegarLoop]: Abstraction has 1489 states and 3732 transitions. [2022-09-16 10:42:42,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:42,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 3732 transitions. [2022-09-16 10:42:42,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:42,213 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:42,213 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:42,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2022-09-16 10:42:42,213 INFO L420 AbstractCegarLoop]: === Iteration 172 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:42,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:42,214 INFO L85 PathProgramCache]: Analyzing trace with hash 250920846, now seen corresponding path program 75 times [2022-09-16 10:42:42,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:42,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358483385] [2022-09-16 10:42:42,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:42,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:42,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:42,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:42,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358483385] [2022-09-16 10:42:42,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358483385] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:42,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:42,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:42,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673079177] [2022-09-16 10:42:42,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:42,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:42,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:42,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:42,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:42,462 INFO L87 Difference]: Start difference. First operand 1489 states and 3732 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:43,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:43,082 INFO L93 Difference]: Finished difference Result 2716 states and 6710 transitions. [2022-09-16 10:42:43,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:42:43,082 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:43,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:43,086 INFO L225 Difference]: With dead ends: 2716 [2022-09-16 10:42:43,086 INFO L226 Difference]: Without dead ends: 2368 [2022-09-16 10:42:43,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=243, Invalid=569, Unknown=0, NotChecked=0, Total=812 [2022-09-16 10:42:43,086 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 610 mSDsluCounter, 965 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 1131 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:43,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 1131 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:42:43,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2368 states. [2022-09-16 10:42:43,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2368 to 1937. [2022-09-16 10:42:43,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1937 states, 1936 states have (on average 2.5351239669421486) internal successors, (4908), 1936 states have internal predecessors, (4908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:43,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1937 states to 1937 states and 4908 transitions. [2022-09-16 10:42:43,109 INFO L78 Accepts]: Start accepts. Automaton has 1937 states and 4908 transitions. Word has length 111 [2022-09-16 10:42:43,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:43,109 INFO L495 AbstractCegarLoop]: Abstraction has 1937 states and 4908 transitions. [2022-09-16 10:42:43,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:43,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1937 states and 4908 transitions. [2022-09-16 10:42:43,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:43,111 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:43,111 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:43,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2022-09-16 10:42:43,111 INFO L420 AbstractCegarLoop]: === Iteration 173 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:43,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:43,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1637461520, now seen corresponding path program 76 times [2022-09-16 10:42:43,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:43,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305101046] [2022-09-16 10:42:43,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:43,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:43,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:43,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:43,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:43,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305101046] [2022-09-16 10:42:43,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305101046] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:43,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:43,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:43,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816051852] [2022-09-16 10:42:43,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:43,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:43,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:43,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:43,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:43,361 INFO L87 Difference]: Start difference. First operand 1937 states and 4908 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:44,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:44,089 INFO L93 Difference]: Finished difference Result 2444 states and 5958 transitions. [2022-09-16 10:42:44,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-09-16 10:42:44,089 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:44,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:44,092 INFO L225 Difference]: With dead ends: 2444 [2022-09-16 10:42:44,093 INFO L226 Difference]: Without dead ends: 2312 [2022-09-16 10:42:44,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=250, Invalid=620, Unknown=0, NotChecked=0, Total=870 [2022-09-16 10:42:44,093 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 606 mSDsluCounter, 1292 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 1436 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:44,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [606 Valid, 1436 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:42:44,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2312 states. [2022-09-16 10:42:44,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2312 to 1881. [2022-09-16 10:42:44,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1881 states, 1880 states have (on average 2.5287234042553193) internal successors, (4754), 1880 states have internal predecessors, (4754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:44,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 4754 transitions. [2022-09-16 10:42:44,115 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 4754 transitions. Word has length 111 [2022-09-16 10:42:44,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:44,115 INFO L495 AbstractCegarLoop]: Abstraction has 1881 states and 4754 transitions. [2022-09-16 10:42:44,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:44,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 4754 transitions. [2022-09-16 10:42:44,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:44,117 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:44,118 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:44,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2022-09-16 10:42:44,118 INFO L420 AbstractCegarLoop]: === Iteration 174 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:44,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:44,118 INFO L85 PathProgramCache]: Analyzing trace with hash -134290392, now seen corresponding path program 77 times [2022-09-16 10:42:44,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:44,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736697263] [2022-09-16 10:42:44,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:44,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:44,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:44,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:44,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736697263] [2022-09-16 10:42:44,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736697263] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:44,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:44,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:44,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916944777] [2022-09-16 10:42:44,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:44,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:44,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:44,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:44,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:44,369 INFO L87 Difference]: Start difference. First operand 1881 states and 4754 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:44,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:44,953 INFO L93 Difference]: Finished difference Result 2436 states and 5912 transitions. [2022-09-16 10:42:44,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:42:44,953 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:44,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:44,956 INFO L225 Difference]: With dead ends: 2436 [2022-09-16 10:42:44,956 INFO L226 Difference]: Without dead ends: 1976 [2022-09-16 10:42:44,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=541, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:42:44,956 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 534 mSDsluCounter, 1160 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 1300 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:44,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 1300 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:42:44,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1976 states. [2022-09-16 10:42:44,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1976 to 1545. [2022-09-16 10:42:44,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1545 states, 1544 states have (on average 2.4805699481865284) internal successors, (3830), 1544 states have internal predecessors, (3830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:44,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1545 states and 3830 transitions. [2022-09-16 10:42:44,984 INFO L78 Accepts]: Start accepts. Automaton has 1545 states and 3830 transitions. Word has length 111 [2022-09-16 10:42:44,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:44,984 INFO L495 AbstractCegarLoop]: Abstraction has 1545 states and 3830 transitions. [2022-09-16 10:42:44,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:44,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 3830 transitions. [2022-09-16 10:42:44,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:44,987 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:44,987 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:44,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2022-09-16 10:42:44,987 INFO L420 AbstractCegarLoop]: === Iteration 175 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:44,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:44,987 INFO L85 PathProgramCache]: Analyzing trace with hash -1492767262, now seen corresponding path program 78 times [2022-09-16 10:42:44,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:44,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412311492] [2022-09-16 10:42:44,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:44,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:45,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:45,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:45,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412311492] [2022-09-16 10:42:45,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412311492] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:45,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:45,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:45,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83592190] [2022-09-16 10:42:45,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:45,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:45,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:45,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:45,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:45,237 INFO L87 Difference]: Start difference. First operand 1545 states and 3830 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:45,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:45,857 INFO L93 Difference]: Finished difference Result 1980 states and 4742 transitions. [2022-09-16 10:42:45,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:42:45,857 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:45,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:45,859 INFO L225 Difference]: With dead ends: 1980 [2022-09-16 10:42:45,859 INFO L226 Difference]: Without dead ends: 1792 [2022-09-16 10:42:45,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=541, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:42:45,860 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 471 mSDsluCounter, 1411 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 1535 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:45,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 1535 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:42:45,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1792 states. [2022-09-16 10:42:45,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1792 to 1489. [2022-09-16 10:42:45,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1489 states, 1488 states have (on average 2.4986559139784945) internal successors, (3718), 1488 states have internal predecessors, (3718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:45,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1489 states and 3718 transitions. [2022-09-16 10:42:45,881 INFO L78 Accepts]: Start accepts. Automaton has 1489 states and 3718 transitions. Word has length 111 [2022-09-16 10:42:45,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:45,881 INFO L495 AbstractCegarLoop]: Abstraction has 1489 states and 3718 transitions. [2022-09-16 10:42:45,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:45,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 3718 transitions. [2022-09-16 10:42:45,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:45,882 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:45,882 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:45,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable174 [2022-09-16 10:42:45,882 INFO L420 AbstractCegarLoop]: === Iteration 176 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:45,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:45,883 INFO L85 PathProgramCache]: Analyzing trace with hash 72058506, now seen corresponding path program 79 times [2022-09-16 10:42:45,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:45,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586818759] [2022-09-16 10:42:45,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:45,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:46,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:46,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:46,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586818759] [2022-09-16 10:42:46,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586818759] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:46,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:46,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:46,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775830574] [2022-09-16 10:42:46,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:46,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:46,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:46,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:46,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:46,112 INFO L87 Difference]: Start difference. First operand 1489 states and 3718 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:46,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:46,667 INFO L93 Difference]: Finished difference Result 2140 states and 5070 transitions. [2022-09-16 10:42:46,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:42:46,667 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:46,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:46,670 INFO L225 Difference]: With dead ends: 2140 [2022-09-16 10:42:46,670 INFO L226 Difference]: Without dead ends: 2016 [2022-09-16 10:42:46,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=541, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:42:46,670 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 588 mSDsluCounter, 1007 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 588 SdHoareTripleChecker+Valid, 1137 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:46,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [588 Valid, 1137 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:42:46,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2016 states. [2022-09-16 10:42:46,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2016 to 1503. [2022-09-16 10:42:46,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1503 states, 1502 states have (on average 2.4906790945406123) internal successors, (3741), 1502 states have internal predecessors, (3741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:46,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1503 states and 3741 transitions. [2022-09-16 10:42:46,689 INFO L78 Accepts]: Start accepts. Automaton has 1503 states and 3741 transitions. Word has length 111 [2022-09-16 10:42:46,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:46,689 INFO L495 AbstractCegarLoop]: Abstraction has 1503 states and 3741 transitions. [2022-09-16 10:42:46,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:46,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 3741 transitions. [2022-09-16 10:42:46,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:46,690 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:46,690 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:46,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable175 [2022-09-16 10:42:46,691 INFO L420 AbstractCegarLoop]: === Iteration 177 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:46,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:46,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1140775390, now seen corresponding path program 80 times [2022-09-16 10:42:46,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:46,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434080677] [2022-09-16 10:42:46,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:46,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:47,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:47,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:47,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434080677] [2022-09-16 10:42:47,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434080677] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:47,324 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:47,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-09-16 10:42:47,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27284468] [2022-09-16 10:42:47,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:47,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-09-16 10:42:47,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:47,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-09-16 10:42:47,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2022-09-16 10:42:47,325 INFO L87 Difference]: Start difference. First operand 1503 states and 3741 transitions. Second operand has 29 states, 28 states have (on average 3.9642857142857144) internal successors, (111), 29 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:48,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:48,779 INFO L93 Difference]: Finished difference Result 1693 states and 4165 transitions. [2022-09-16 10:42:48,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-09-16 10:42:48,779 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 3.9642857142857144) internal successors, (111), 29 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:48,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:48,781 INFO L225 Difference]: With dead ends: 1693 [2022-09-16 10:42:48,781 INFO L226 Difference]: Without dead ends: 1603 [2022-09-16 10:42:48,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=428, Invalid=1734, Unknown=0, NotChecked=0, Total=2162 [2022-09-16 10:42:48,782 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 779 mSDsluCounter, 1335 mSDsCounter, 0 mSdLazyCounter, 858 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 779 SdHoareTripleChecker+Valid, 1435 SdHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:48,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [779 Valid, 1435 Invalid, 936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 858 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:42:48,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1603 states. [2022-09-16 10:42:48,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1603 to 1491. [2022-09-16 10:42:48,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1491 states, 1490 states have (on average 2.497315436241611) internal successors, (3721), 1490 states have internal predecessors, (3721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:48,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1491 states and 3721 transitions. [2022-09-16 10:42:48,797 INFO L78 Accepts]: Start accepts. Automaton has 1491 states and 3721 transitions. Word has length 111 [2022-09-16 10:42:48,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:48,797 INFO L495 AbstractCegarLoop]: Abstraction has 1491 states and 3721 transitions. [2022-09-16 10:42:48,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 3.9642857142857144) internal successors, (111), 29 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:48,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 3721 transitions. [2022-09-16 10:42:48,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:48,798 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:48,799 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:48,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable176 [2022-09-16 10:42:48,799 INFO L420 AbstractCegarLoop]: === Iteration 178 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:48,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:48,799 INFO L85 PathProgramCache]: Analyzing trace with hash 405529004, now seen corresponding path program 81 times [2022-09-16 10:42:48,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:48,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512578742] [2022-09-16 10:42:48,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:48,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:48,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:49,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:49,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:49,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512578742] [2022-09-16 10:42:49,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512578742] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:49,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:49,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:49,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350047283] [2022-09-16 10:42:49,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:49,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:49,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:49,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:49,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:49,082 INFO L87 Difference]: Start difference. First operand 1491 states and 3721 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:49,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:49,663 INFO L93 Difference]: Finished difference Result 1926 states and 4633 transitions. [2022-09-16 10:42:49,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:42:49,663 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:49,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:49,665 INFO L225 Difference]: With dead ends: 1926 [2022-09-16 10:42:49,665 INFO L226 Difference]: Without dead ends: 1778 [2022-09-16 10:42:49,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=215, Invalid=541, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:42:49,666 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 587 mSDsluCounter, 1158 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 587 SdHoareTripleChecker+Valid, 1275 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:49,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [587 Valid, 1275 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:42:49,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1778 states. [2022-09-16 10:42:49,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1778 to 1475. [2022-09-16 10:42:49,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1475 states, 1474 states have (on average 2.5033921302578017) internal successors, (3690), 1474 states have internal predecessors, (3690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:49,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 3690 transitions. [2022-09-16 10:42:49,685 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 3690 transitions. Word has length 111 [2022-09-16 10:42:49,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:49,685 INFO L495 AbstractCegarLoop]: Abstraction has 1475 states and 3690 transitions. [2022-09-16 10:42:49,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:49,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 3690 transitions. [2022-09-16 10:42:49,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:49,687 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:49,687 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:49,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable177 [2022-09-16 10:42:49,687 INFO L420 AbstractCegarLoop]: === Iteration 179 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:49,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:49,687 INFO L85 PathProgramCache]: Analyzing trace with hash 863682474, now seen corresponding path program 82 times [2022-09-16 10:42:49,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:49,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283758317] [2022-09-16 10:42:49,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:49,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:49,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:49,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:49,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283758317] [2022-09-16 10:42:49,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283758317] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:49,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:49,937 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:49,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677759114] [2022-09-16 10:42:49,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:49,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:49,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:49,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:49,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:49,938 INFO L87 Difference]: Start difference. First operand 1475 states and 3690 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:50,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:50,581 INFO L93 Difference]: Finished difference Result 1679 states and 4103 transitions. [2022-09-16 10:42:50,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:42:50,581 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:50,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:50,583 INFO L225 Difference]: With dead ends: 1679 [2022-09-16 10:42:50,583 INFO L226 Difference]: Without dead ends: 1331 [2022-09-16 10:42:50,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=244, Invalid=568, Unknown=0, NotChecked=0, Total=812 [2022-09-16 10:42:50,584 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 604 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 406 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 604 SdHoareTripleChecker+Valid, 1166 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:50,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [604 Valid, 1166 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 406 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:42:50,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2022-09-16 10:42:50,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 1195. [2022-09-16 10:42:50,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1195 states, 1194 states have (on average 2.4455611390284755) internal successors, (2920), 1194 states have internal predecessors, (2920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:50,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 1195 states and 2920 transitions. [2022-09-16 10:42:50,596 INFO L78 Accepts]: Start accepts. Automaton has 1195 states and 2920 transitions. Word has length 111 [2022-09-16 10:42:50,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:50,596 INFO L495 AbstractCegarLoop]: Abstraction has 1195 states and 2920 transitions. [2022-09-16 10:42:50,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:50,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 2920 transitions. [2022-09-16 10:42:50,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:50,597 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:50,597 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:50,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable178 [2022-09-16 10:42:50,597 INFO L420 AbstractCegarLoop]: === Iteration 180 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:50,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:50,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1024699892, now seen corresponding path program 83 times [2022-09-16 10:42:50,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:50,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788465414] [2022-09-16 10:42:50,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:50,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:51,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:51,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:51,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788465414] [2022-09-16 10:42:51,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788465414] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:51,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:51,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:42:51,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534094845] [2022-09-16 10:42:51,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:51,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:42:51,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:51,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:42:51,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=581, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:42:51,178 INFO L87 Difference]: Start difference. First operand 1195 states and 2920 transitions. Second operand has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:52,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:52,734 INFO L93 Difference]: Finished difference Result 1395 states and 3342 transitions. [2022-09-16 10:42:52,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-09-16 10:42:52,734 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:52,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:52,736 INFO L225 Difference]: With dead ends: 1395 [2022-09-16 10:42:52,736 INFO L226 Difference]: Without dead ends: 1135 [2022-09-16 10:42:52,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=423, Invalid=1557, Unknown=0, NotChecked=0, Total=1980 [2022-09-16 10:42:52,737 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 1210 mSDsluCounter, 1394 mSDsCounter, 0 mSdLazyCounter, 847 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1210 SdHoareTripleChecker+Valid, 1522 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:52,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1210 Valid, 1522 Invalid, 976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 847 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:42:52,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2022-09-16 10:42:52,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 1027. [2022-09-16 10:42:52,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 1026 states have (on average 2.395711500974659) internal successors, (2458), 1026 states have internal predecessors, (2458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:52,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 2458 transitions. [2022-09-16 10:42:52,748 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 2458 transitions. Word has length 111 [2022-09-16 10:42:52,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:52,748 INFO L495 AbstractCegarLoop]: Abstraction has 1027 states and 2458 transitions. [2022-09-16 10:42:52,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:52,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 2458 transitions. [2022-09-16 10:42:52,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:52,749 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:52,749 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:52,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable179 [2022-09-16 10:42:52,749 INFO L420 AbstractCegarLoop]: === Iteration 181 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:52,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:52,750 INFO L85 PathProgramCache]: Analyzing trace with hash 904355072, now seen corresponding path program 84 times [2022-09-16 10:42:52,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:52,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470957361] [2022-09-16 10:42:52,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:52,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:52,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:52,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:52,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470957361] [2022-09-16 10:42:52,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470957361] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:52,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:52,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:52,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18636511] [2022-09-16 10:42:52,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:52,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:52,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:52,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:52,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:52,995 INFO L87 Difference]: Start difference. First operand 1027 states and 2458 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:53,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:53,630 INFO L93 Difference]: Finished difference Result 1287 states and 2997 transitions. [2022-09-16 10:42:53,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:42:53,630 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:53,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:53,631 INFO L225 Difference]: With dead ends: 1287 [2022-09-16 10:42:53,631 INFO L226 Difference]: Without dead ends: 939 [2022-09-16 10:42:53,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=216, Invalid=540, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:42:53,632 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 496 mSDsluCounter, 1291 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 1437 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:53,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [496 Valid, 1437 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-09-16 10:42:53,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2022-09-16 10:42:53,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 803. [2022-09-16 10:42:53,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 802 states have (on average 2.2967581047381547) internal successors, (1842), 802 states have internal predecessors, (1842), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:53,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1842 transitions. [2022-09-16 10:42:53,641 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1842 transitions. Word has length 111 [2022-09-16 10:42:53,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:53,641 INFO L495 AbstractCegarLoop]: Abstraction has 803 states and 1842 transitions. [2022-09-16 10:42:53,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:53,641 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1842 transitions. [2022-09-16 10:42:53,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:53,642 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:53,642 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:53,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable180 [2022-09-16 10:42:53,642 INFO L420 AbstractCegarLoop]: === Iteration 182 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:53,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:53,642 INFO L85 PathProgramCache]: Analyzing trace with hash -880005634, now seen corresponding path program 85 times [2022-09-16 10:42:53,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:53,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560879768] [2022-09-16 10:42:53,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:53,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:53,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:53,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:53,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560879768] [2022-09-16 10:42:53,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560879768] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:53,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:53,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:53,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536852620] [2022-09-16 10:42:53,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:53,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:53,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:53,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:53,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:53,875 INFO L87 Difference]: Start difference. First operand 803 states and 1842 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:54,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:54,466 INFO L93 Difference]: Finished difference Result 1071 states and 2399 transitions. [2022-09-16 10:42:54,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:42:54,467 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:54,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:54,468 INFO L225 Difference]: With dead ends: 1071 [2022-09-16 10:42:54,468 INFO L226 Difference]: Without dead ends: 883 [2022-09-16 10:42:54,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=216, Invalid=540, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:42:54,468 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 432 mSDsluCounter, 1361 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 1501 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:54,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 1501 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:42:54,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2022-09-16 10:42:54,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 747. [2022-09-16 10:42:54,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 746 states have (on average 2.2627345844504023) internal successors, (1688), 746 states have internal predecessors, (1688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:54,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1688 transitions. [2022-09-16 10:42:54,476 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1688 transitions. Word has length 111 [2022-09-16 10:42:54,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:54,476 INFO L495 AbstractCegarLoop]: Abstraction has 747 states and 1688 transitions. [2022-09-16 10:42:54,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:54,476 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1688 transitions. [2022-09-16 10:42:54,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:54,477 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:54,477 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:54,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable181 [2022-09-16 10:42:54,477 INFO L420 AbstractCegarLoop]: === Iteration 183 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:54,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:54,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1587524066, now seen corresponding path program 86 times [2022-09-16 10:42:54,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:54,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004160222] [2022-09-16 10:42:54,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:54,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:54,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:54,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:54,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004160222] [2022-09-16 10:42:54,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004160222] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:54,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:54,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:54,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567542704] [2022-09-16 10:42:54,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:54,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:54,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:54,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:54,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:54,718 INFO L87 Difference]: Start difference. First operand 747 states and 1688 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:55,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:55,303 INFO L93 Difference]: Finished difference Result 903 states and 2017 transitions. [2022-09-16 10:42:55,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:42:55,304 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:55,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:55,305 INFO L225 Difference]: With dead ends: 903 [2022-09-16 10:42:55,305 INFO L226 Difference]: Without dead ends: 579 [2022-09-16 10:42:55,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=216, Invalid=540, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:42:55,305 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 437 mSDsluCounter, 1220 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 1349 SdHoareTripleChecker+Invalid, 486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:55,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 1349 Invalid, 486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:42:55,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2022-09-16 10:42:55,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 579. [2022-09-16 10:42:55,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 578 states have (on average 2.1453287197231834) internal successors, (1240), 578 states have internal predecessors, (1240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:55,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 1240 transitions. [2022-09-16 10:42:55,312 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 1240 transitions. Word has length 111 [2022-09-16 10:42:55,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:55,312 INFO L495 AbstractCegarLoop]: Abstraction has 579 states and 1240 transitions. [2022-09-16 10:42:55,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:55,313 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 1240 transitions. [2022-09-16 10:42:55,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:55,313 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:55,313 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:55,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable182 [2022-09-16 10:42:55,314 INFO L420 AbstractCegarLoop]: === Iteration 184 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:55,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:55,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1906651634, now seen corresponding path program 87 times [2022-09-16 10:42:55,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:55,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605080971] [2022-09-16 10:42:55,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:55,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:55,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:55,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:55,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605080971] [2022-09-16 10:42:55,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605080971] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:55,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:55,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:55,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288281122] [2022-09-16 10:42:55,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:55,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:55,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:55,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:55,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:55,597 INFO L87 Difference]: Start difference. First operand 579 states and 1240 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:56,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:56,180 INFO L93 Difference]: Finished difference Result 943 states and 1989 transitions. [2022-09-16 10:42:56,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:42:56,181 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:56,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:56,182 INFO L225 Difference]: With dead ends: 943 [2022-09-16 10:42:56,182 INFO L226 Difference]: Without dead ends: 819 [2022-09-16 10:42:56,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=541, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:42:56,182 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 540 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 1301 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:56,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 1301 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:42:56,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2022-09-16 10:42:56,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 579. [2022-09-16 10:42:56,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 578 states have (on average 2.124567474048443) internal successors, (1228), 578 states have internal predecessors, (1228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:56,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 1228 transitions. [2022-09-16 10:42:56,189 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 1228 transitions. Word has length 111 [2022-09-16 10:42:56,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:56,189 INFO L495 AbstractCegarLoop]: Abstraction has 579 states and 1228 transitions. [2022-09-16 10:42:56,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:56,189 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 1228 transitions. [2022-09-16 10:42:56,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:56,190 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:56,190 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:56,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable183 [2022-09-16 10:42:56,190 INFO L420 AbstractCegarLoop]: === Iteration 185 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:56,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:56,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1319598778, now seen corresponding path program 88 times [2022-09-16 10:42:56,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:56,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423503924] [2022-09-16 10:42:56,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:56,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:56,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:56,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:56,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423503924] [2022-09-16 10:42:56,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423503924] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:56,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:56,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:56,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761066852] [2022-09-16 10:42:56,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:56,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:56,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:56,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:56,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:56,427 INFO L87 Difference]: Start difference. First operand 579 states and 1228 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:56,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:56,982 INFO L93 Difference]: Finished difference Result 815 states and 1713 transitions. [2022-09-16 10:42:56,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:42:56,982 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:56,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:56,983 INFO L225 Difference]: With dead ends: 815 [2022-09-16 10:42:56,983 INFO L226 Difference]: Without dead ends: 725 [2022-09-16 10:42:56,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:42:56,984 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 448 mSDsluCounter, 1078 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 1198 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:56,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 1198 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:42:56,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2022-09-16 10:42:56,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 565. [2022-09-16 10:42:56,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 564 states have (on average 2.1365248226950353) internal successors, (1205), 564 states have internal predecessors, (1205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:56,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 1205 transitions. [2022-09-16 10:42:56,989 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 1205 transitions. Word has length 111 [2022-09-16 10:42:56,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:56,989 INFO L495 AbstractCegarLoop]: Abstraction has 565 states and 1205 transitions. [2022-09-16 10:42:56,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:56,989 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 1205 transitions. [2022-09-16 10:42:56,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:56,990 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:56,990 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:56,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable184 [2022-09-16 10:42:56,990 INFO L420 AbstractCegarLoop]: === Iteration 186 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:56,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:56,990 INFO L85 PathProgramCache]: Analyzing trace with hash -2054845164, now seen corresponding path program 89 times [2022-09-16 10:42:56,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:56,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651280073] [2022-09-16 10:42:56,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:56,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:57,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:57,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:57,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:57,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651280073] [2022-09-16 10:42:57,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651280073] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:57,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:57,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:57,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835936919] [2022-09-16 10:42:57,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:57,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:57,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:57,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:57,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:57,220 INFO L87 Difference]: Start difference. First operand 565 states and 1205 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:57,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:57,790 INFO L93 Difference]: Finished difference Result 857 states and 1816 transitions. [2022-09-16 10:42:57,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:42:57,791 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:57,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:57,792 INFO L225 Difference]: With dead ends: 857 [2022-09-16 10:42:57,792 INFO L226 Difference]: Without dead ends: 723 [2022-09-16 10:42:57,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=541, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:42:57,792 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 524 mSDsluCounter, 1170 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 1288 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:57,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [524 Valid, 1288 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:42:57,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2022-09-16 10:42:57,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 563. [2022-09-16 10:42:57,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 562 states have (on average 2.1352313167259784) internal successors, (1200), 562 states have internal predecessors, (1200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:57,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 1200 transitions. [2022-09-16 10:42:57,798 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 1200 transitions. Word has length 111 [2022-09-16 10:42:57,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:57,798 INFO L495 AbstractCegarLoop]: Abstraction has 563 states and 1200 transitions. [2022-09-16 10:42:57,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:57,798 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 1200 transitions. [2022-09-16 10:42:57,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:57,798 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:57,798 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:57,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable185 [2022-09-16 10:42:57,799 INFO L420 AbstractCegarLoop]: === Iteration 187 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:57,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:57,799 INFO L85 PathProgramCache]: Analyzing trace with hash 405498160, now seen corresponding path program 90 times [2022-09-16 10:42:57,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:57,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412943086] [2022-09-16 10:42:57,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:57,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:58,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:58,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:58,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412943086] [2022-09-16 10:42:58,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412943086] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:58,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:58,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:58,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589077357] [2022-09-16 10:42:58,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:58,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:58,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:58,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:58,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:58,031 INFO L87 Difference]: Start difference. First operand 563 states and 1200 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:58,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:58,550 INFO L93 Difference]: Finished difference Result 719 states and 1529 transitions. [2022-09-16 10:42:58,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:42:58,550 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:58,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:58,551 INFO L225 Difference]: With dead ends: 719 [2022-09-16 10:42:58,551 INFO L226 Difference]: Without dead ends: 515 [2022-09-16 10:42:58,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=541, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:42:58,551 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 333 mSDsluCounter, 1041 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 1166 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:58,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 1166 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:42:58,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2022-09-16 10:42:58,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 515. [2022-09-16 10:42:58,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 514 states have (on average 2.0914396887159534) internal successors, (1075), 514 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:58,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 1075 transitions. [2022-09-16 10:42:58,556 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 1075 transitions. Word has length 111 [2022-09-16 10:42:58,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:58,556 INFO L495 AbstractCegarLoop]: Abstraction has 515 states and 1075 transitions. [2022-09-16 10:42:58,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:58,556 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 1075 transitions. [2022-09-16 10:42:58,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:58,557 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:58,557 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:58,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186 [2022-09-16 10:42:58,557 INFO L420 AbstractCegarLoop]: === Iteration 188 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:58,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:58,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1675576856, now seen corresponding path program 91 times [2022-09-16 10:42:58,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:58,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664967151] [2022-09-16 10:42:58,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:58,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:58,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:58,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:58,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664967151] [2022-09-16 10:42:58,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664967151] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:58,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:58,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:42:58,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595533586] [2022-09-16 10:42:58,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:58,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:42:58,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:58,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:42:58,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:42:58,781 INFO L87 Difference]: Start difference. First operand 515 states and 1075 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:59,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:42:59,305 INFO L93 Difference]: Finished difference Result 748 states and 1556 transitions. [2022-09-16 10:42:59,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:42:59,305 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:42:59,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:42:59,306 INFO L225 Difference]: With dead ends: 748 [2022-09-16 10:42:59,306 INFO L226 Difference]: Without dead ends: 624 [2022-09-16 10:42:59,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=216, Invalid=540, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:42:59,306 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 502 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:42:59,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 857 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:42:59,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2022-09-16 10:42:59,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 527. [2022-09-16 10:42:59,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 526 states have (on average 2.0779467680608366) internal successors, (1093), 526 states have internal predecessors, (1093), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:59,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 1093 transitions. [2022-09-16 10:42:59,312 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 1093 transitions. Word has length 111 [2022-09-16 10:42:59,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:42:59,312 INFO L495 AbstractCegarLoop]: Abstraction has 527 states and 1093 transitions. [2022-09-16 10:42:59,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:42:59,312 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 1093 transitions. [2022-09-16 10:42:59,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:42:59,313 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:42:59,313 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:42:59,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187 [2022-09-16 10:42:59,313 INFO L420 AbstractCegarLoop]: === Iteration 189 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:42:59,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:42:59,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1655026680, now seen corresponding path program 92 times [2022-09-16 10:42:59,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:42:59,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998894524] [2022-09-16 10:42:59,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:42:59,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:42:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:42:59,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:42:59,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:42:59,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998894524] [2022-09-16 10:42:59,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998894524] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:42:59,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:42:59,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-09-16 10:42:59,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51762068] [2022-09-16 10:42:59,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:42:59,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-09-16 10:42:59,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:42:59,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-09-16 10:42:59,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=726, Unknown=0, NotChecked=0, Total=812 [2022-09-16 10:42:59,955 INFO L87 Difference]: Start difference. First operand 527 states and 1093 transitions. Second operand has 29 states, 28 states have (on average 3.9642857142857144) internal successors, (111), 29 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:01,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:01,527 INFO L93 Difference]: Finished difference Result 704 states and 1444 transitions. [2022-09-16 10:43:01,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-09-16 10:43:01,527 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 3.9642857142857144) internal successors, (111), 29 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:43:01,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:01,528 INFO L225 Difference]: With dead ends: 704 [2022-09-16 10:43:01,528 INFO L226 Difference]: Without dead ends: 621 [2022-09-16 10:43:01,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 426 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=467, Invalid=1885, Unknown=0, NotChecked=0, Total=2352 [2022-09-16 10:43:01,529 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 692 mSDsluCounter, 1247 mSDsCounter, 0 mSdLazyCounter, 923 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 692 SdHoareTripleChecker+Valid, 1313 SdHoareTripleChecker+Invalid, 996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:01,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [692 Valid, 1313 Invalid, 996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 923 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:43:01,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2022-09-16 10:43:01,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 533. [2022-09-16 10:43:01,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 532 states have (on average 2.0714285714285716) internal successors, (1102), 532 states have internal predecessors, (1102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:01,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 1102 transitions. [2022-09-16 10:43:01,533 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 1102 transitions. Word has length 111 [2022-09-16 10:43:01,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:01,534 INFO L495 AbstractCegarLoop]: Abstraction has 533 states and 1102 transitions. [2022-09-16 10:43:01,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 3.9642857142857144) internal successors, (111), 29 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:01,534 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 1102 transitions. [2022-09-16 10:43:01,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:43:01,534 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:01,534 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:01,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable188 [2022-09-16 10:43:01,535 INFO L420 AbstractCegarLoop]: === Iteration 190 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:01,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:01,535 INFO L85 PathProgramCache]: Analyzing trace with hash -606859972, now seen corresponding path program 93 times [2022-09-16 10:43:01,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:01,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577436048] [2022-09-16 10:43:01,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:01,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:01,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:01,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:01,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577436048] [2022-09-16 10:43:01,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577436048] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:01,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:01,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:43:01,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576906901] [2022-09-16 10:43:01,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:01,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:43:01,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:01,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:43:01,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:43:01,759 INFO L87 Difference]: Start difference. First operand 533 states and 1102 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:02,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:02,331 INFO L93 Difference]: Finished difference Result 718 states and 1473 transitions. [2022-09-16 10:43:02,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:02,331 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:43:02,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:02,332 INFO L225 Difference]: With dead ends: 718 [2022-09-16 10:43:02,332 INFO L226 Difference]: Without dead ends: 628 [2022-09-16 10:43:02,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=211, Invalid=545, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:43:02,332 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 365 mSDsluCounter, 1021 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 365 SdHoareTripleChecker+Valid, 1131 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:02,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [365 Valid, 1131 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:43:02,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2022-09-16 10:43:02,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 521. [2022-09-16 10:43:02,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 521 states, 520 states have (on average 2.0692307692307694) internal successors, (1076), 520 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:02,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 1076 transitions. [2022-09-16 10:43:02,337 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 1076 transitions. Word has length 111 [2022-09-16 10:43:02,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:02,337 INFO L495 AbstractCegarLoop]: Abstraction has 521 states and 1076 transitions. [2022-09-16 10:43:02,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:02,337 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 1076 transitions. [2022-09-16 10:43:02,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:43:02,338 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:02,338 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:02,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable189 [2022-09-16 10:43:02,338 INFO L420 AbstractCegarLoop]: === Iteration 191 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:02,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:02,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1651007830, now seen corresponding path program 94 times [2022-09-16 10:43:02,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:02,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336247609] [2022-09-16 10:43:02,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:02,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:02,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:02,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:02,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336247609] [2022-09-16 10:43:02,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336247609] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:02,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:02,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:43:02,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981431016] [2022-09-16 10:43:02,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:02,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:43:02,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:02,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:43:02,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=580, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:43:02,837 INFO L87 Difference]: Start difference. First operand 521 states and 1076 transitions. Second operand has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:04,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:04,180 INFO L93 Difference]: Finished difference Result 637 states and 1288 transitions. [2022-09-16 10:43:04,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-09-16 10:43:04,180 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:43:04,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:04,181 INFO L225 Difference]: With dead ends: 637 [2022-09-16 10:43:04,181 INFO L226 Difference]: Without dead ends: 509 [2022-09-16 10:43:04,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=390, Invalid=1502, Unknown=0, NotChecked=0, Total=1892 [2022-09-16 10:43:04,182 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 1143 mSDsluCounter, 1197 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1143 SdHoareTripleChecker+Valid, 1267 SdHoareTripleChecker+Invalid, 908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:04,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1143 Valid, 1267 Invalid, 908 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:43:04,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2022-09-16 10:43:04,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 476. [2022-09-16 10:43:04,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 475 states have (on average 2.0442105263157893) internal successors, (971), 475 states have internal predecessors, (971), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:04,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 971 transitions. [2022-09-16 10:43:04,186 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 971 transitions. Word has length 111 [2022-09-16 10:43:04,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:04,186 INFO L495 AbstractCegarLoop]: Abstraction has 476 states and 971 transitions. [2022-09-16 10:43:04,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:04,187 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 971 transitions. [2022-09-16 10:43:04,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:43:04,187 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:04,187 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:04,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable190 [2022-09-16 10:43:04,188 INFO L420 AbstractCegarLoop]: === Iteration 192 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:04,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:04,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1919627904, now seen corresponding path program 95 times [2022-09-16 10:43:04,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:04,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627127279] [2022-09-16 10:43:04,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:04,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:04,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:04,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:04,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627127279] [2022-09-16 10:43:04,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627127279] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:04,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:04,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:43:04,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354437931] [2022-09-16 10:43:04,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:04,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:43:04,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:04,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:43:04,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=580, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:43:04,688 INFO L87 Difference]: Start difference. First operand 476 states and 971 transitions. Second operand has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:06,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:06,037 INFO L93 Difference]: Finished difference Result 649 states and 1308 transitions. [2022-09-16 10:43:06,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-09-16 10:43:06,038 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:43:06,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:06,038 INFO L225 Difference]: With dead ends: 649 [2022-09-16 10:43:06,038 INFO L226 Difference]: Without dead ends: 560 [2022-09-16 10:43:06,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=391, Invalid=1501, Unknown=0, NotChecked=0, Total=1892 [2022-09-16 10:43:06,039 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 821 mSDsluCounter, 1066 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 821 SdHoareTripleChecker+Valid, 1144 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:06,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [821 Valid, 1144 Invalid, 849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:43:06,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2022-09-16 10:43:06,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 472. [2022-09-16 10:43:06,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 471 states have (on average 2.040339702760085) internal successors, (961), 471 states have internal predecessors, (961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:06,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 961 transitions. [2022-09-16 10:43:06,044 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 961 transitions. Word has length 111 [2022-09-16 10:43:06,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:06,044 INFO L495 AbstractCegarLoop]: Abstraction has 472 states and 961 transitions. [2022-09-16 10:43:06,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:06,044 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 961 transitions. [2022-09-16 10:43:06,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:43:06,045 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:06,045 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:06,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable191 [2022-09-16 10:43:06,045 INFO L420 AbstractCegarLoop]: === Iteration 193 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:06,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:06,046 INFO L85 PathProgramCache]: Analyzing trace with hash -871461196, now seen corresponding path program 96 times [2022-09-16 10:43:06,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:06,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276464276] [2022-09-16 10:43:06,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:06,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:06,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:06,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:06,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:06,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276464276] [2022-09-16 10:43:06,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276464276] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:06,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:06,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2022-09-16 10:43:06,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179574749] [2022-09-16 10:43:06,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:06,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-09-16 10:43:06,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:06,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-09-16 10:43:06,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=579, Unknown=0, NotChecked=0, Total=650 [2022-09-16 10:43:06,589 INFO L87 Difference]: Start difference. First operand 472 states and 961 transitions. Second operand has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:07,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:07,817 INFO L93 Difference]: Finished difference Result 556 states and 1122 transitions. [2022-09-16 10:43:07,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-09-16 10:43:07,818 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:43:07,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:07,818 INFO L225 Difference]: With dead ends: 556 [2022-09-16 10:43:07,818 INFO L226 Difference]: Without dead ends: 436 [2022-09-16 10:43:07,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=362, Invalid=1360, Unknown=0, NotChecked=0, Total=1722 [2022-09-16 10:43:07,819 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 876 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 876 SdHoareTripleChecker+Valid, 1155 SdHoareTripleChecker+Invalid, 827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:07,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [876 Valid, 1155 Invalid, 827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-09-16 10:43:07,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2022-09-16 10:43:07,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 428. [2022-09-16 10:43:07,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 427 states have (on average 2.0257611241217797) internal successors, (865), 427 states have internal predecessors, (865), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:07,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 865 transitions. [2022-09-16 10:43:07,823 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 865 transitions. Word has length 111 [2022-09-16 10:43:07,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:07,823 INFO L495 AbstractCegarLoop]: Abstraction has 428 states and 865 transitions. [2022-09-16 10:43:07,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.44) internal successors, (111), 26 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:07,823 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 865 transitions. [2022-09-16 10:43:07,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:43:07,823 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:07,824 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:07,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable192 [2022-09-16 10:43:07,824 INFO L420 AbstractCegarLoop]: === Iteration 194 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:07,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:07,824 INFO L85 PathProgramCache]: Analyzing trace with hash 988613576, now seen corresponding path program 97 times [2022-09-16 10:43:07,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:07,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440241910] [2022-09-16 10:43:07,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:07,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:08,036 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 10:43:08,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:08,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440241910] [2022-09-16 10:43:08,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440241910] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:08,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:08,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:43:08,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654166640] [2022-09-16 10:43:08,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:08,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:43:08,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:08,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:43:08,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:43:08,037 INFO L87 Difference]: Start difference. First operand 428 states and 865 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:08,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:08,552 INFO L93 Difference]: Finished difference Result 799 states and 1633 transitions. [2022-09-16 10:43:08,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:08,553 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:43:08,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:08,554 INFO L225 Difference]: With dead ends: 799 [2022-09-16 10:43:08,554 INFO L226 Difference]: Without dead ends: 675 [2022-09-16 10:43:08,554 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=541, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:43:08,554 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 446 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 1105 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:08,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 1105 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:43:08,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2022-09-16 10:43:08,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 442. [2022-09-16 10:43:08,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 442 states, 441 states have (on average 2.0136054421768708) internal successors, (888), 441 states have internal predecessors, (888), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:08,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 888 transitions. [2022-09-16 10:43:08,558 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 888 transitions. Word has length 111 [2022-09-16 10:43:08,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:08,559 INFO L495 AbstractCegarLoop]: Abstraction has 442 states and 888 transitions. [2022-09-16 10:43:08,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:08,559 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 888 transitions. [2022-09-16 10:43:08,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:43:08,559 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:08,559 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:08,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable193 [2022-09-16 10:43:08,559 INFO L420 AbstractCegarLoop]: === Iteration 195 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:08,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:08,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1009163752, now seen corresponding path program 98 times [2022-09-16 10:43:08,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:08,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112976541] [2022-09-16 10:43:08,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:08,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:08,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:08,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:08,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112976541] [2022-09-16 10:43:08,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112976541] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:08,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:08,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:43:08,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004901529] [2022-09-16 10:43:08,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:08,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:43:08,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:08,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:43:08,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:43:08,780 INFO L87 Difference]: Start difference. First operand 442 states and 888 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:09,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:09,324 INFO L93 Difference]: Finished difference Result 663 states and 1339 transitions. [2022-09-16 10:43:09,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:43:09,324 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:43:09,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:09,325 INFO L225 Difference]: With dead ends: 663 [2022-09-16 10:43:09,325 INFO L226 Difference]: Without dead ends: 580 [2022-09-16 10:43:09,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=236, Invalid=576, Unknown=0, NotChecked=0, Total=812 [2022-09-16 10:43:09,325 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 410 mSDsluCounter, 1020 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 1121 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:09,325 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 1121 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:43:09,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2022-09-16 10:43:09,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 444. [2022-09-16 10:43:09,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 443 states have (on average 2.0112866817155757) internal successors, (891), 443 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:09,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 891 transitions. [2022-09-16 10:43:09,329 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 891 transitions. Word has length 111 [2022-09-16 10:43:09,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:09,330 INFO L495 AbstractCegarLoop]: Abstraction has 444 states and 891 transitions. [2022-09-16 10:43:09,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:09,330 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 891 transitions. [2022-09-16 10:43:09,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:43:09,330 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:09,330 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:09,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable194 [2022-09-16 10:43:09,330 INFO L420 AbstractCegarLoop]: === Iteration 196 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:09,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:09,331 INFO L85 PathProgramCache]: Analyzing trace with hash 2057330460, now seen corresponding path program 99 times [2022-09-16 10:43:09,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:09,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273701343] [2022-09-16 10:43:09,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:09,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:09,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:09,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:09,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273701343] [2022-09-16 10:43:09,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273701343] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:09,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:09,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:43:09,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782805779] [2022-09-16 10:43:09,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:09,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:43:09,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:09,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:43:09,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:43:09,609 INFO L87 Difference]: Start difference. First operand 444 states and 891 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:10,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:10,156 INFO L93 Difference]: Finished difference Result 656 states and 1322 transitions. [2022-09-16 10:43:10,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:10,156 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:43:10,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:10,157 INFO L225 Difference]: With dead ends: 656 [2022-09-16 10:43:10,157 INFO L226 Difference]: Without dead ends: 566 [2022-09-16 10:43:10,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:43:10,157 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 426 mSDsluCounter, 971 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 1071 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:10,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 1071 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:43:10,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2022-09-16 10:43:10,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 430. [2022-09-16 10:43:10,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 429 states have (on average 2.023310023310023) internal successors, (868), 429 states have internal predecessors, (868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:10,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 868 transitions. [2022-09-16 10:43:10,161 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 868 transitions. Word has length 111 [2022-09-16 10:43:10,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:10,161 INFO L495 AbstractCegarLoop]: Abstraction has 430 states and 868 transitions. [2022-09-16 10:43:10,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:10,162 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 868 transitions. [2022-09-16 10:43:10,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:43:10,162 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:10,162 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:10,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable195 [2022-09-16 10:43:10,162 INFO L420 AbstractCegarLoop]: === Iteration 197 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:10,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:10,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1322084074, now seen corresponding path program 100 times [2022-09-16 10:43:10,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:10,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048211281] [2022-09-16 10:43:10,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:10,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:10,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:10,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:10,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048211281] [2022-09-16 10:43:10,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048211281] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:10,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:10,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:43:10,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143303878] [2022-09-16 10:43:10,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:10,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:43:10,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:10,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:43:10,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:43:10,377 INFO L87 Difference]: Start difference. First operand 430 states and 868 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:10,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:10,847 INFO L93 Difference]: Finished difference Result 562 states and 1143 transitions. [2022-09-16 10:43:10,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:10,848 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:43:10,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:10,848 INFO L225 Difference]: With dead ends: 562 [2022-09-16 10:43:10,848 INFO L226 Difference]: Without dead ends: 422 [2022-09-16 10:43:10,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=541, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:43:10,849 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 353 mSDsluCounter, 908 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 1014 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:10,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 1014 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:43:10,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2022-09-16 10:43:10,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 422. [2022-09-16 10:43:10,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 421 states have (on average 2.019002375296912) internal successors, (850), 421 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:10,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 850 transitions. [2022-09-16 10:43:10,852 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 850 transitions. Word has length 111 [2022-09-16 10:43:10,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:10,853 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 850 transitions. [2022-09-16 10:43:10,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:10,853 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 850 transitions. [2022-09-16 10:43:10,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:43:10,853 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:10,853 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:10,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable196 [2022-09-16 10:43:10,853 INFO L420 AbstractCegarLoop]: === Iteration 198 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:10,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:10,854 INFO L85 PathProgramCache]: Analyzing trace with hash 961991818, now seen corresponding path program 101 times [2022-09-16 10:43:10,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:10,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906412621] [2022-09-16 10:43:10,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:10,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:11,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:11,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:11,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906412621] [2022-09-16 10:43:11,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906412621] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:11,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:11,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:43:11,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34532245] [2022-09-16 10:43:11,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:11,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:43:11,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:11,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:43:11,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:43:11,068 INFO L87 Difference]: Start difference. First operand 422 states and 850 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:11,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:11,566 INFO L93 Difference]: Finished difference Result 626 states and 1263 transitions. [2022-09-16 10:43:11,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:11,567 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:43:11,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:11,568 INFO L225 Difference]: With dead ends: 626 [2022-09-16 10:43:11,568 INFO L226 Difference]: Without dead ends: 502 [2022-09-16 10:43:11,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=541, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:43:11,571 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 381 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:11,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 898 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:43:11,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2022-09-16 10:43:11,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 422. [2022-09-16 10:43:11,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 421 states have (on average 1.990498812351544) internal successors, (838), 421 states have internal predecessors, (838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:11,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 838 transitions. [2022-09-16 10:43:11,577 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 838 transitions. Word has length 111 [2022-09-16 10:43:11,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:11,577 INFO L495 AbstractCegarLoop]: Abstraction has 422 states and 838 transitions. [2022-09-16 10:43:11,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:11,577 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 838 transitions. [2022-09-16 10:43:11,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:43:11,577 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:11,577 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:11,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable197 [2022-09-16 10:43:11,578 INFO L420 AbstractCegarLoop]: === Iteration 199 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:11,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:11,578 INFO L85 PathProgramCache]: Analyzing trace with hash 982541994, now seen corresponding path program 102 times [2022-09-16 10:43:11,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:11,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437302607] [2022-09-16 10:43:11,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:11,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:11,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:11,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:11,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437302607] [2022-09-16 10:43:11,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437302607] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:11,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:11,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:43:11,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405709] [2022-09-16 10:43:11,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:11,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:43:11,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:11,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:43:11,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:43:11,814 INFO L87 Difference]: Start difference. First operand 422 states and 838 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:12,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:12,327 INFO L93 Difference]: Finished difference Result 490 states and 969 transitions. [2022-09-16 10:43:12,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-09-16 10:43:12,327 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:43:12,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:12,328 INFO L225 Difference]: With dead ends: 490 [2022-09-16 10:43:12,328 INFO L226 Difference]: Without dead ends: 407 [2022-09-16 10:43:12,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=236, Invalid=576, Unknown=0, NotChecked=0, Total=812 [2022-09-16 10:43:12,328 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 385 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 855 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:12,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 855 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:43:12,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2022-09-16 10:43:12,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2022-09-16 10:43:12,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 406 states have (on average 1.977832512315271) internal successors, (803), 406 states have internal predecessors, (803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:12,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 803 transitions. [2022-09-16 10:43:12,332 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 803 transitions. Word has length 111 [2022-09-16 10:43:12,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:12,332 INFO L495 AbstractCegarLoop]: Abstraction has 407 states and 803 transitions. [2022-09-16 10:43:12,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:12,332 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 803 transitions. [2022-09-16 10:43:12,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:43:12,332 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:12,332 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:12,333 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable198 [2022-09-16 10:43:12,333 INFO L420 AbstractCegarLoop]: === Iteration 200 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:12,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:12,333 INFO L85 PathProgramCache]: Analyzing trace with hash 2030708702, now seen corresponding path program 103 times [2022-09-16 10:43:12,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:12,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075015935] [2022-09-16 10:43:12,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:12,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:12,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:12,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:12,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:12,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075015935] [2022-09-16 10:43:12,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075015935] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:12,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:12,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:43:12,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274127505] [2022-09-16 10:43:12,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:12,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:43:12,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:12,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:43:12,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:43:12,552 INFO L87 Difference]: Start difference. First operand 407 states and 803 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:13,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:13,037 INFO L93 Difference]: Finished difference Result 483 states and 952 transitions. [2022-09-16 10:43:13,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:13,037 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:43:13,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:13,038 INFO L225 Difference]: With dead ends: 483 [2022-09-16 10:43:13,038 INFO L226 Difference]: Without dead ends: 393 [2022-09-16 10:43:13,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=210, Invalid=546, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:43:13,038 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 426 mSDsluCounter, 831 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 929 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:13,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 929 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:43:13,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2022-09-16 10:43:13,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 393. [2022-09-16 10:43:13,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 392 states have (on average 1.989795918367347) internal successors, (780), 392 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:13,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 780 transitions. [2022-09-16 10:43:13,042 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 780 transitions. Word has length 111 [2022-09-16 10:43:13,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:13,042 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 780 transitions. [2022-09-16 10:43:13,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:13,042 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 780 transitions. [2022-09-16 10:43:13,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:43:13,043 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:13,043 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:13,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable199 [2022-09-16 10:43:13,043 INFO L420 AbstractCegarLoop]: === Iteration 201 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:13,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:13,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1295462316, now seen corresponding path program 104 times [2022-09-16 10:43:13,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:13,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560608071] [2022-09-16 10:43:13,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:13,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:13,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:43:13,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:13,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560608071] [2022-09-16 10:43:13,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560608071] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:13,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:13,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:43:13,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572322907] [2022-09-16 10:43:13,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:13,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:43:13,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:13,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:43:13,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:43:13,253 INFO L87 Difference]: Start difference. First operand 393 states and 780 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:13,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:13,734 INFO L93 Difference]: Finished difference Result 525 states and 1055 transitions. [2022-09-16 10:43:13,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:13,734 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:43:13,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:13,735 INFO L225 Difference]: With dead ends: 525 [2022-09-16 10:43:13,735 INFO L226 Difference]: Without dead ends: 391 [2022-09-16 10:43:13,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=541, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:43:13,735 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 504 mSDsluCounter, 768 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 504 SdHoareTripleChecker+Valid, 862 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:13,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [504 Valid, 862 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-09-16 10:43:13,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2022-09-16 10:43:13,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 391. [2022-09-16 10:43:13,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 390 states have (on average 1.9871794871794872) internal successors, (775), 390 states have internal predecessors, (775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:13,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 775 transitions. [2022-09-16 10:43:13,739 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 775 transitions. Word has length 111 [2022-09-16 10:43:13,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:13,739 INFO L495 AbstractCegarLoop]: Abstraction has 391 states and 775 transitions. [2022-09-16 10:43:13,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:13,739 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 775 transitions. [2022-09-16 10:43:13,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-09-16 10:43:13,740 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:43:13,740 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:43:13,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable200 [2022-09-16 10:43:13,740 INFO L420 AbstractCegarLoop]: === Iteration 202 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-16 10:43:13,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:43:13,740 INFO L85 PathProgramCache]: Analyzing trace with hash -539161656, now seen corresponding path program 105 times [2022-09-16 10:43:13,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:43:13,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765244542] [2022-09-16 10:43:13,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:43:13,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:43:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:43:13,948 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 10:43:13,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:43:13,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765244542] [2022-09-16 10:43:13,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765244542] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:43:13,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:43:13,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-09-16 10:43:13,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594299387] [2022-09-16 10:43:13,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:43:13,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-09-16 10:43:13,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:43:13,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-09-16 10:43:13,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-09-16 10:43:13,949 INFO L87 Difference]: Start difference. First operand 391 states and 775 transitions. Second operand has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:14,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:43:14,397 INFO L93 Difference]: Finished difference Result 387 states and 768 transitions. [2022-09-16 10:43:14,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-09-16 10:43:14,397 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-09-16 10:43:14,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:43:14,397 INFO L225 Difference]: With dead ends: 387 [2022-09-16 10:43:14,397 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:43:14,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=216, Invalid=540, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:43:14,398 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 342 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:43:14,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 737 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:43:14,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:43:14,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:43:14,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:14,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:43:14,398 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 111 [2022-09-16 10:43:14,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:43:14,398 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:43:14,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.9375) internal successors, (111), 17 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:43:14,398 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:43:14,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:43:14,401 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2022-09-16 10:43:14,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2022-09-16 10:43:14,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-09-16 10:43:14,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-09-16 10:43:14,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-09-16 10:43:14,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-09-16 10:43:14,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-09-16 10:43:14,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-09-16 10:43:14,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable201 [2022-09-16 10:43:14,406 INFO L444 BasicCegarLoop]: Path program histogram: [105, 31, 16, 15, 10, 9, 6, 6, 1, 1, 1, 1] [2022-09-16 10:43:14,410 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:43:14,410 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:43:14,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:43:14 BasicIcfg [2022-09-16 10:43:14,412 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:43:14,412 INFO L158 Benchmark]: Toolchain (without parser) took 425845.29ms. Allocated memory was 182.5MB in the beginning and 3.1GB in the end (delta: 3.0GB). Free memory was 156.9MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.8GB. Max. memory is 8.0GB. [2022-09-16 10:43:14,412 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 182.5MB. Free memory is still 143.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:43:14,412 INFO L158 Benchmark]: CACSL2BoogieTranslator took 837.72ms. Allocated memory was 182.5MB in the beginning and 237.0MB in the end (delta: 54.5MB). Free memory was 156.9MB in the beginning and 167.8MB in the end (delta: -10.9MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. [2022-09-16 10:43:14,412 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.84ms. Allocated memory is still 237.0MB. Free memory was 167.8MB in the beginning and 164.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:43:14,412 INFO L158 Benchmark]: Boogie Preprocessor took 54.05ms. Allocated memory is still 237.0MB. Free memory was 164.7MB in the beginning and 162.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:43:14,412 INFO L158 Benchmark]: RCFGBuilder took 739.85ms. Allocated memory is still 237.0MB. Free memory was 162.1MB in the beginning and 139.5MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2022-09-16 10:43:14,412 INFO L158 Benchmark]: TraceAbstraction took 424118.41ms. Allocated memory was 237.0MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 139.0MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. [2022-09-16 10:43:14,412 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 182.5MB. Free memory is still 143.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 837.72ms. Allocated memory was 182.5MB in the beginning and 237.0MB in the end (delta: 54.5MB). Free memory was 156.9MB in the beginning and 167.8MB in the end (delta: -10.9MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 89.84ms. Allocated memory is still 237.0MB. Free memory was 167.8MB in the beginning and 164.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 54.05ms. Allocated memory is still 237.0MB. Free memory was 164.7MB in the beginning and 162.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 739.85ms. Allocated memory is still 237.0MB. Free memory was 162.1MB in the beginning and 139.5MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * TraceAbstraction took 424118.41ms. Allocated memory was 237.0MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 139.0MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.7GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1712]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1712]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 208 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 423.9s, OverallIterations: 202, TraceHistogramMax: 1, PathProgramHistogramMax: 105, EmptinessCheckTime: 0.6s, AutomataDifference: 305.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 213040 SdHoareTripleChecker+Valid, 102.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 213040 mSDsluCounter, 427681 SdHoareTripleChecker+Invalid, 85.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 386065 mSDsCounter, 16517 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 182568 IncrementalHoareTripleChecker+Invalid, 199085 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16517 mSolverCounterUnsat, 47880 mSDtfsCounter, 182568 mSolverCounterSat, 1.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8555 GetRequests, 641 SyntacticMatches, 59 SemanticMatches, 7855 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60976 ImplicationChecksByTransitivity, 224.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22705occurred in iteration=18, InterpolantAutomatonStates: 5030, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 31.0s AutomataMinimizationTime, 202 MinimizatonAttempts, 450557 StatesRemovedByMinimization, 195 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 80.4s InterpolantComputationTime, 20884 NumberOfCodeBlocks, 20884 NumberOfCodeBlocksAsserted, 202 NumberOfCheckSat, 20682 ConstructedInterpolants, 0 QuantifiedInterpolants, 285207 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 202 InterpolantComputations, 202 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 10:43:14,437 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...