/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 02:32:18,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 02:32:18,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 02:32:18,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 02:32:18,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 02:32:18,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 02:32:18,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 02:32:18,151 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 02:32:18,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 02:32:18,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 02:32:18,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 02:32:18,157 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 02:32:18,158 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 02:32:18,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 02:32:18,165 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 02:32:18,167 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 02:32:18,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 02:32:18,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 02:32:18,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 02:32:18,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 02:32:18,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 02:32:18,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 02:32:18,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 02:32:18,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 02:32:18,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-22 02:32:18,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-22 02:32:18,197 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-22 02:32:18,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-22 02:32:18,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-22 02:32:18,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-22 02:32:18,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-22 02:32:18,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-22 02:32:18,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-22 02:32:18,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 02:32:18,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 02:32:18,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 02:32:18,204 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf [2020-10-22 02:32:18,248 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 02:32:18,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 02:32:18,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 02:32:18,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 02:32:18,250 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 02:32:18,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 02:32:18,251 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 02:32:18,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 02:32:18,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 02:32:18,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 02:32:18,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 02:32:18,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 02:32:18,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 02:32:18,254 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 02:32:18,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 02:32:18,254 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 02:32:18,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 02:32:18,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 02:32:18,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 02:32:18,255 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 02:32:18,255 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 02:32:18,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 02:32:18,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 02:32:18,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 02:32:18,256 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 02:32:18,257 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 02:32:18,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 02:32:18,257 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 02:32:18,257 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 02:32:18,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 02:32:18,258 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 02:32:18,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 02:32:18,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 02:32:18,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 02:32:18,586 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 02:32:18,586 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 02:32:18,587 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i [2020-10-22 02:32:18,651 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a8bc805c/561cac3aaf174044b63e03e29c5923f2/FLAGbc8f1e8a9 [2020-10-22 02:32:19,188 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 02:32:19,189 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-nondet/nondet-loop-bound-variant-1.i [2020-10-22 02:32:19,209 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a8bc805c/561cac3aaf174044b63e03e29c5923f2/FLAGbc8f1e8a9 [2020-10-22 02:32:19,455 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a8bc805c/561cac3aaf174044b63e03e29c5923f2 [2020-10-22 02:32:19,465 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 02:32:19,471 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 02:32:19,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 02:32:19,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 02:32:19,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 02:32:19,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:32:19" (1/1) ... [2020-10-22 02:32:19,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@316ad042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:32:19, skipping insertion in model container [2020-10-22 02:32:19,481 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 02:32:19" (1/1) ... [2020-10-22 02:32:19,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 02:32:19,535 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 02:32:20,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:32:20,070 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 02:32:20,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 02:32:20,194 INFO L208 MainTranslator]: Completed translation [2020-10-22 02:32:20,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:32:20 WrapperNode [2020-10-22 02:32:20,195 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 02:32:20,196 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 02:32:20,196 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 02:32:20,196 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 02:32:20,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:32:20" (1/1) ... [2020-10-22 02:32:20,222 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:32:20" (1/1) ... [2020-10-22 02:32:20,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 02:32:20,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 02:32:20,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 02:32:20,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 02:32:20,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:32:20" (1/1) ... [2020-10-22 02:32:20,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:32:20" (1/1) ... [2020-10-22 02:32:20,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:32:20" (1/1) ... [2020-10-22 02:32:20,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:32:20" (1/1) ... [2020-10-22 02:32:20,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:32:20" (1/1) ... [2020-10-22 02:32:20,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:32:20" (1/1) ... [2020-10-22 02:32:20,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:32:20" (1/1) ... [2020-10-22 02:32:20,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 02:32:20,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 02:32:20,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 02:32:20,282 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 02:32:20,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:32:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 02:32:20,365 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2020-10-22 02:32:20,366 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2020-10-22 02:32:20,366 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-22 02:32:20,366 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-22 02:32:20,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 02:32:20,366 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-22 02:32:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 02:32:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 02:32:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 02:32:20,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 02:32:20,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 02:32:20,369 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 02:32:20,753 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 02:32:20,753 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-10-22 02:32:20,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:32:20 BoogieIcfgContainer [2020-10-22 02:32:20,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 02:32:20,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 02:32:20,758 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 02:32:20,761 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 02:32:20,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 02:32:19" (1/3) ... [2020-10-22 02:32:20,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73a6be52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:32:20, skipping insertion in model container [2020-10-22 02:32:20,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 02:32:20" (2/3) ... [2020-10-22 02:32:20,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73a6be52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 02:32:20, skipping insertion in model container [2020-10-22 02:32:20,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 02:32:20" (3/3) ... [2020-10-22 02:32:20,766 INFO L111 eAbstractionObserver]: Analyzing ICFG nondet-loop-bound-variant-1.i [2020-10-22 02:32:20,778 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 02:32:20,778 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 02:32:20,786 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-22 02:32:20,787 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 02:32:20,820 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,820 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,820 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,820 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,821 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,821 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,822 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,822 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,822 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,822 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,823 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,823 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,824 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,824 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,824 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,827 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,828 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,828 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,828 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,829 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,829 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,832 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,832 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,832 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,833 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,833 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,833 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,834 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,834 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,834 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,834 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,835 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,837 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,837 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,843 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,844 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,845 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,846 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,846 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,846 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,847 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,847 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,848 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,848 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,865 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,865 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,866 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,866 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,866 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,866 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,866 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,867 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:20,873 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 02:32:20,887 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-22 02:32:20,908 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 02:32:20,908 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 02:32:20,908 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 02:32:20,909 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 02:32:20,909 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 02:32:20,909 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 02:32:20,909 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 02:32:20,909 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 02:32:20,924 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 02:32:20,924 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 85 transitions, 180 flow [2020-10-22 02:32:20,927 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 85 transitions, 180 flow [2020-10-22 02:32:20,929 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 85 places, 85 transitions, 180 flow [2020-10-22 02:32:20,984 INFO L129 PetriNetUnfolder]: 7/95 cut-off events. [2020-10-22 02:32:20,984 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-22 02:32:20,991 INFO L80 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 95 events. 7/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 139 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 65. Up to 4 conditions per place. [2020-10-22 02:32:20,995 INFO L116 LiptonReduction]: Number of co-enabled transitions 1612 [2020-10-22 02:32:22,649 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-10-22 02:32:23,466 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2020-10-22 02:32:23,617 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 46 [2020-10-22 02:32:24,158 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 125 [2020-10-22 02:32:24,382 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-22 02:32:24,385 INFO L131 LiptonReduction]: Checked pairs total: 1592 [2020-10-22 02:32:24,385 INFO L133 LiptonReduction]: Total number of compositions: 94 [2020-10-22 02:32:24,392 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 18 places, 12 transitions, 34 flow [2020-10-22 02:32:24,403 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 44 states. [2020-10-22 02:32:24,406 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-10-22 02:32:24,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-22 02:32:24,412 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:32:24,413 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-22 02:32:24,413 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 02:32:24,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:32:24,419 INFO L82 PathProgramCache]: Analyzing trace with hash 351577, now seen corresponding path program 1 times [2020-10-22 02:32:24,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:32:24,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136379312] [2020-10-22 02:32:24,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:32:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:32:24,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:32:24,673 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136379312] [2020-10-22 02:32:24,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:32:24,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 02:32:24,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [120354918] [2020-10-22 02:32:24,677 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:32:24,680 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:32:24,693 INFO L252 McrAutomatonBuilder]: Finished intersection with 4 states and 3 transitions. [2020-10-22 02:32:24,693 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:32:24,698 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:32:24,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:32:24,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:32:24,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:32:24,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:32:24,721 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 3 states. [2020-10-22 02:32:24,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:32:24,756 INFO L93 Difference]: Finished difference Result 35 states and 59 transitions. [2020-10-22 02:32:24,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:32:24,758 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-22 02:32:24,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:32:24,768 INFO L225 Difference]: With dead ends: 35 [2020-10-22 02:32:24,768 INFO L226 Difference]: Without dead ends: 31 [2020-10-22 02:32:24,770 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:32:24,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-22 02:32:24,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-10-22 02:32:24,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-22 02:32:24,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 51 transitions. [2020-10-22 02:32:24,814 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 51 transitions. Word has length 3 [2020-10-22 02:32:24,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:32:24,815 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 51 transitions. [2020-10-22 02:32:24,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:32:24,815 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2020-10-22 02:32:24,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-22 02:32:24,816 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:32:24,816 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:32:24,816 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 02:32:24,817 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 02:32:24,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:32:24,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1769204181, now seen corresponding path program 1 times [2020-10-22 02:32:24,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:32:24,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602545083] [2020-10-22 02:32:24,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:32:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:32:24,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:32:24,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602545083] [2020-10-22 02:32:24,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:32:24,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 02:32:24,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [34976696] [2020-10-22 02:32:24,980 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:32:24,982 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:32:24,986 INFO L252 McrAutomatonBuilder]: Finished intersection with 8 states and 7 transitions. [2020-10-22 02:32:24,986 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:32:24,986 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:32:24,988 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 02:32:24,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:32:24,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 02:32:24,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:32:24,989 INFO L87 Difference]: Start difference. First operand 31 states and 51 transitions. Second operand 4 states. [2020-10-22 02:32:25,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:32:25,013 INFO L93 Difference]: Finished difference Result 26 states and 42 transitions. [2020-10-22 02:32:25,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 02:32:25,014 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-10-22 02:32:25,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:32:25,015 INFO L225 Difference]: With dead ends: 26 [2020-10-22 02:32:25,015 INFO L226 Difference]: Without dead ends: 24 [2020-10-22 02:32:25,016 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-22 02:32:25,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-10-22 02:32:25,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-10-22 02:32:25,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-22 02:32:25,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 39 transitions. [2020-10-22 02:32:25,023 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 39 transitions. Word has length 7 [2020-10-22 02:32:25,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:32:25,024 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 39 transitions. [2020-10-22 02:32:25,024 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 02:32:25,024 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2020-10-22 02:32:25,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-22 02:32:25,025 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:32:25,025 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-10-22 02:32:25,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 02:32:25,026 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 02:32:25,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:32:25,026 INFO L82 PathProgramCache]: Analyzing trace with hash 989225069, now seen corresponding path program 1 times [2020-10-22 02:32:25,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:32:25,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480729670] [2020-10-22 02:32:25,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:32:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:32:25,057 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:32:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:32:25,077 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:32:25,119 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 02:32:25,119 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 02:32:25,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 02:32:25,120 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-22 02:32:25,121 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-22 02:32:25,122 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-22 02:32:25,140 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,140 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,140 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,141 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,141 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,141 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,141 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,142 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,142 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,142 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,143 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,143 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,143 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,143 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,143 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,144 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,144 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,144 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,144 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,144 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,145 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,145 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,145 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,145 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,145 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,146 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,146 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,146 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,146 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,146 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,146 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,147 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,147 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,147 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,147 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,147 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,148 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,148 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,148 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,148 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,148 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,148 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,149 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,150 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,150 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,150 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,150 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,150 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,151 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,151 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,151 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,151 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,151 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,152 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,152 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,152 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,152 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,153 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,153 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,153 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,153 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,153 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,153 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,154 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,154 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,154 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,154 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,154 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,155 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,155 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,155 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,155 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,156 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,156 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,156 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,156 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,156 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,156 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,157 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,157 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,158 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,159 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,159 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,159 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,159 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,160 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,160 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,160 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,160 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,160 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,162 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,162 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,162 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,163 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,163 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,163 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,165 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,165 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,165 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,166 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,166 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,166 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,166 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,166 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:25,168 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 02:32:25,168 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-22 02:32:25,169 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 02:32:25,169 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 02:32:25,169 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 02:32:25,169 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 02:32:25,169 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 02:32:25,169 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 02:32:25,170 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 02:32:25,170 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 02:32:25,173 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 02:32:25,173 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 119 transitions, 262 flow [2020-10-22 02:32:25,174 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 119 transitions, 262 flow [2020-10-22 02:32:25,174 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 119 places, 119 transitions, 262 flow [2020-10-22 02:32:25,221 INFO L129 PetriNetUnfolder]: 10/129 cut-off events. [2020-10-22 02:32:25,222 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-22 02:32:25,225 INFO L80 FinitePrefix]: Finished finitePrefix Result has 143 conditions, 129 events. 10/129 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 250 event pairs, 0 based on Foata normal form. 0/115 useless extension candidates. Maximal degree in co-relation 138. Up to 6 conditions per place. [2020-10-22 02:32:25,231 INFO L116 LiptonReduction]: Number of co-enabled transitions 3404 [2020-10-22 02:32:27,573 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2020-10-22 02:32:28,045 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 58 [2020-10-22 02:32:28,308 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2020-10-22 02:32:28,915 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 125 [2020-10-22 02:32:29,133 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-22 02:32:29,140 INFO L131 LiptonReduction]: Checked pairs total: 4884 [2020-10-22 02:32:29,140 INFO L133 LiptonReduction]: Total number of compositions: 123 [2020-10-22 02:32:29,141 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 27 transitions, 78 flow [2020-10-22 02:32:29,163 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 542 states. [2020-10-22 02:32:29,163 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states. [2020-10-22 02:32:29,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-22 02:32:29,164 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:32:29,164 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-22 02:32:29,164 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:32:29,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:32:29,164 INFO L82 PathProgramCache]: Analyzing trace with hash 624708, now seen corresponding path program 1 times [2020-10-22 02:32:29,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:32:29,165 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533101676] [2020-10-22 02:32:29,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:32:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:32:29,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:32:29,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533101676] [2020-10-22 02:32:29,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:32:29,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 02:32:29,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [785908793] [2020-10-22 02:32:29,209 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:32:29,210 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:32:29,211 INFO L252 McrAutomatonBuilder]: Finished intersection with 4 states and 3 transitions. [2020-10-22 02:32:29,211 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:32:29,212 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:32:29,212 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:32:29,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:32:29,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:32:29,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:32:29,213 INFO L87 Difference]: Start difference. First operand 542 states. Second operand 3 states. [2020-10-22 02:32:29,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:32:29,275 INFO L93 Difference]: Finished difference Result 562 states and 1722 transitions. [2020-10-22 02:32:29,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:32:29,276 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-22 02:32:29,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:32:29,288 INFO L225 Difference]: With dead ends: 562 [2020-10-22 02:32:29,288 INFO L226 Difference]: Without dead ends: 520 [2020-10-22 02:32:29,288 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:32:29,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2020-10-22 02:32:29,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 481. [2020-10-22 02:32:29,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2020-10-22 02:32:29,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 1503 transitions. [2020-10-22 02:32:29,354 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 1503 transitions. Word has length 3 [2020-10-22 02:32:29,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:32:29,354 INFO L481 AbstractCegarLoop]: Abstraction has 481 states and 1503 transitions. [2020-10-22 02:32:29,354 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:32:29,354 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 1503 transitions. [2020-10-22 02:32:29,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 02:32:29,355 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:32:29,355 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:32:29,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 02:32:29,356 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:32:29,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:32:29,356 INFO L82 PathProgramCache]: Analyzing trace with hash -140345372, now seen corresponding path program 1 times [2020-10-22 02:32:29,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:32:29,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707360230] [2020-10-22 02:32:29,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:32:29,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:32:29,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:32:29,415 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707360230] [2020-10-22 02:32:29,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:32:29,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:32:29,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [315191570] [2020-10-22 02:32:29,416 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:32:29,417 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:32:29,419 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-10-22 02:32:29,419 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:32:29,419 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:32:29,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 02:32:29,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:32:29,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 02:32:29,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:32:29,420 INFO L87 Difference]: Start difference. First operand 481 states and 1503 transitions. Second operand 5 states. [2020-10-22 02:32:29,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:32:29,542 INFO L93 Difference]: Finished difference Result 644 states and 1865 transitions. [2020-10-22 02:32:29,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 02:32:29,543 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-22 02:32:29,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:32:29,553 INFO L225 Difference]: With dead ends: 644 [2020-10-22 02:32:29,553 INFO L226 Difference]: Without dead ends: 632 [2020-10-22 02:32:29,554 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-22 02:32:29,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2020-10-22 02:32:29,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 432. [2020-10-22 02:32:29,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2020-10-22 02:32:29,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 1372 transitions. [2020-10-22 02:32:29,610 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 1372 transitions. Word has length 10 [2020-10-22 02:32:29,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:32:29,611 INFO L481 AbstractCegarLoop]: Abstraction has 432 states and 1372 transitions. [2020-10-22 02:32:29,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 02:32:29,611 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 1372 transitions. [2020-10-22 02:32:29,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-22 02:32:29,613 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:32:29,613 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:32:29,613 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 02:32:29,613 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:32:29,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:32:29,614 INFO L82 PathProgramCache]: Analyzing trace with hash 775291849, now seen corresponding path program 1 times [2020-10-22 02:32:29,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:32:29,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802104072] [2020-10-22 02:32:29,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:32:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:32:29,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:32:29,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802104072] [2020-10-22 02:32:29,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:32:29,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:32:29,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1151552776] [2020-10-22 02:32:29,675 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:32:29,676 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:32:29,679 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2020-10-22 02:32:29,679 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:32:29,680 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:32:29,680 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 02:32:29,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:32:29,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 02:32:29,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:32:29,681 INFO L87 Difference]: Start difference. First operand 432 states and 1372 transitions. Second operand 5 states. [2020-10-22 02:32:29,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:32:29,798 INFO L93 Difference]: Finished difference Result 606 states and 1742 transitions. [2020-10-22 02:32:29,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 02:32:29,798 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-22 02:32:29,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:32:29,803 INFO L225 Difference]: With dead ends: 606 [2020-10-22 02:32:29,803 INFO L226 Difference]: Without dead ends: 594 [2020-10-22 02:32:29,805 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-22 02:32:29,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-10-22 02:32:29,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 412. [2020-10-22 02:32:29,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2020-10-22 02:32:29,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 1273 transitions. [2020-10-22 02:32:29,825 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 1273 transitions. Word has length 14 [2020-10-22 02:32:29,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:32:29,825 INFO L481 AbstractCegarLoop]: Abstraction has 412 states and 1273 transitions. [2020-10-22 02:32:29,825 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 02:32:29,825 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 1273 transitions. [2020-10-22 02:32:29,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-22 02:32:29,833 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:32:29,833 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:32:29,834 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-22 02:32:29,834 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:32:29,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:32:29,834 INFO L82 PathProgramCache]: Analyzing trace with hash 768536188, now seen corresponding path program 1 times [2020-10-22 02:32:29,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:32:29,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386521060] [2020-10-22 02:32:29,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:32:29,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:32:29,882 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:32:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:32:29,913 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:32:29,930 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 02:32:29,931 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 02:32:29,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-22 02:32:29,931 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-22 02:32:29,932 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-22 02:32:29,933 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-22 02:32:29,954 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,954 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,954 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,955 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,955 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,955 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,955 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,955 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,955 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,956 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,956 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,956 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,956 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,956 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,956 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,957 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,957 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,957 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,957 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,957 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,957 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,958 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,958 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,958 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,958 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,958 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,958 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,959 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,959 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,959 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,959 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,959 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,959 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,959 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,960 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,960 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,969 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,969 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,970 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,970 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,970 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,970 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,970 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,970 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,970 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,971 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,971 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,971 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,971 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,971 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,971 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,971 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,971 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,972 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,972 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,972 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,972 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,972 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,972 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,972 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,972 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,973 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,973 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,973 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,973 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,973 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,973 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,974 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,974 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,976 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,976 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,976 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,977 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,977 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,977 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,977 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,977 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,978 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,978 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,978 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,978 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,978 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,978 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,979 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,979 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,979 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,979 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,979 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,979 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,980 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,980 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,980 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,980 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,980 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,980 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,981 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,981 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,981 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,981 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,982 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,982 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,982 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,982 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,982 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,983 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,983 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,983 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,983 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,983 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,984 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,984 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,984 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,984 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,984 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,984 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,986 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,986 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,986 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,986 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,987 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,987 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,987 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,987 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,987 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,987 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,989 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,989 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,989 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,989 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,989 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,990 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,990 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,990 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,990 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,990 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,993 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,993 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,994 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,994 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,994 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,994 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,994 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,994 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,995 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,996 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,996 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,996 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,996 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,996 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,997 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,997 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,998 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,998 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,999 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,999 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,999 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,999 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,999 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:29,999 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:30,001 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 02:32:30,001 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-22 02:32:30,001 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 02:32:30,001 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 02:32:30,001 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 02:32:30,002 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 02:32:30,002 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 02:32:30,002 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 02:32:30,002 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 02:32:30,002 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 02:32:30,004 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 02:32:30,004 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 153 transitions, 348 flow [2020-10-22 02:32:30,005 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 153 transitions, 348 flow [2020-10-22 02:32:30,005 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 153 places, 153 transitions, 348 flow [2020-10-22 02:32:30,036 INFO L129 PetriNetUnfolder]: 13/163 cut-off events. [2020-10-22 02:32:30,037 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-22 02:32:30,039 INFO L80 FinitePrefix]: Finished finitePrefix Result has 184 conditions, 163 events. 13/163 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 352 event pairs, 0 based on Foata normal form. 0/145 useless extension candidates. Maximal degree in co-relation 177. Up to 8 conditions per place. [2020-10-22 02:32:30,046 INFO L116 LiptonReduction]: Number of co-enabled transitions 5880 [2020-10-22 02:32:32,619 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2020-10-22 02:32:33,282 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 109 [2020-10-22 02:32:33,462 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2020-10-22 02:32:33,717 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2020-10-22 02:32:34,133 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 117 [2020-10-22 02:32:34,147 INFO L131 LiptonReduction]: Checked pairs total: 10116 [2020-10-22 02:32:34,147 INFO L133 LiptonReduction]: Total number of compositions: 168 [2020-10-22 02:32:34,148 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 38 transitions, 118 flow [2020-10-22 02:32:34,397 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 3887 states. [2020-10-22 02:32:34,398 INFO L276 IsEmpty]: Start isEmpty. Operand 3887 states. [2020-10-22 02:32:34,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-22 02:32:34,398 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:32:34,398 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-22 02:32:34,399 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:32:34,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:32:34,399 INFO L82 PathProgramCache]: Analyzing trace with hash 975796, now seen corresponding path program 1 times [2020-10-22 02:32:34,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:32:34,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61721942] [2020-10-22 02:32:34,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:32:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:32:34,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:32:34,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61721942] [2020-10-22 02:32:34,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:32:34,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 02:32:34,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [847418824] [2020-10-22 02:32:34,434 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:32:34,434 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:32:34,435 INFO L252 McrAutomatonBuilder]: Finished intersection with 4 states and 3 transitions. [2020-10-22 02:32:34,435 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:32:34,435 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:32:34,436 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:32:34,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:32:34,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:32:34,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:32:34,436 INFO L87 Difference]: Start difference. First operand 3887 states. Second operand 3 states. [2020-10-22 02:32:34,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:32:34,529 INFO L93 Difference]: Finished difference Result 4218 states and 17234 transitions. [2020-10-22 02:32:34,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:32:34,530 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-22 02:32:34,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:32:34,568 INFO L225 Difference]: With dead ends: 4218 [2020-10-22 02:32:34,569 INFO L226 Difference]: Without dead ends: 3922 [2020-10-22 02:32:34,569 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:32:34,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3922 states. [2020-10-22 02:32:34,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3922 to 3622. [2020-10-22 02:32:34,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3622 states. [2020-10-22 02:32:34,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3622 states to 3622 states and 15019 transitions. [2020-10-22 02:32:34,816 INFO L78 Accepts]: Start accepts. Automaton has 3622 states and 15019 transitions. Word has length 3 [2020-10-22 02:32:34,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:32:34,816 INFO L481 AbstractCegarLoop]: Abstraction has 3622 states and 15019 transitions. [2020-10-22 02:32:34,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:32:34,816 INFO L276 IsEmpty]: Start isEmpty. Operand 3622 states and 15019 transitions. [2020-10-22 02:32:34,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 02:32:34,818 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:32:34,818 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:32:34,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-22 02:32:34,819 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:32:34,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:32:34,819 INFO L82 PathProgramCache]: Analyzing trace with hash -185496882, now seen corresponding path program 1 times [2020-10-22 02:32:34,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:32:34,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518742645] [2020-10-22 02:32:34,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:32:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:32:34,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:32:34,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518742645] [2020-10-22 02:32:34,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:32:34,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:32:34,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [582821] [2020-10-22 02:32:34,897 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:32:34,898 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:32:34,900 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-10-22 02:32:34,900 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:32:34,900 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:32:34,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 02:32:34,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:32:34,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 02:32:34,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:32:34,901 INFO L87 Difference]: Start difference. First operand 3622 states and 15019 transitions. Second operand 5 states. [2020-10-22 02:32:35,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:32:35,081 INFO L93 Difference]: Finished difference Result 5732 states and 22122 transitions. [2020-10-22 02:32:35,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 02:32:35,082 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-22 02:32:35,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:32:35,134 INFO L225 Difference]: With dead ends: 5732 [2020-10-22 02:32:35,135 INFO L226 Difference]: Without dead ends: 5697 [2020-10-22 02:32:35,135 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-22 02:32:35,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5697 states. [2020-10-22 02:32:35,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5697 to 3602. [2020-10-22 02:32:35,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3602 states. [2020-10-22 02:32:35,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3602 states to 3602 states and 14997 transitions. [2020-10-22 02:32:35,366 INFO L78 Accepts]: Start accepts. Automaton has 3602 states and 14997 transitions. Word has length 10 [2020-10-22 02:32:35,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:32:35,366 INFO L481 AbstractCegarLoop]: Abstraction has 3602 states and 14997 transitions. [2020-10-22 02:32:35,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 02:32:35,366 INFO L276 IsEmpty]: Start isEmpty. Operand 3602 states and 14997 transitions. [2020-10-22 02:32:35,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-22 02:32:35,367 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:32:35,367 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:32:35,368 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-22 02:32:35,368 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:32:35,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:32:35,368 INFO L82 PathProgramCache]: Analyzing trace with hash -454320612, now seen corresponding path program 1 times [2020-10-22 02:32:35,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:32:35,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970944733] [2020-10-22 02:32:35,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:32:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:32:35,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:32:35,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970944733] [2020-10-22 02:32:35,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:32:35,420 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:32:35,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1138806491] [2020-10-22 02:32:35,420 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:32:35,422 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:32:35,424 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2020-10-22 02:32:35,424 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:32:35,424 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:32:35,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 02:32:35,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:32:35,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 02:32:35,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:32:35,425 INFO L87 Difference]: Start difference. First operand 3602 states and 14997 transitions. Second operand 5 states. [2020-10-22 02:32:35,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:32:35,616 INFO L93 Difference]: Finished difference Result 5881 states and 22660 transitions. [2020-10-22 02:32:35,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 02:32:35,616 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-22 02:32:35,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:32:35,682 INFO L225 Difference]: With dead ends: 5881 [2020-10-22 02:32:35,683 INFO L226 Difference]: Without dead ends: 5837 [2020-10-22 02:32:35,684 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-22 02:32:35,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5837 states. [2020-10-22 02:32:36,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5837 to 3670. [2020-10-22 02:32:36,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3670 states. [2020-10-22 02:32:36,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3670 states to 3670 states and 15200 transitions. [2020-10-22 02:32:36,039 INFO L78 Accepts]: Start accepts. Automaton has 3670 states and 15200 transitions. Word has length 14 [2020-10-22 02:32:36,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:32:36,040 INFO L481 AbstractCegarLoop]: Abstraction has 3670 states and 15200 transitions. [2020-10-22 02:32:36,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 02:32:36,040 INFO L276 IsEmpty]: Start isEmpty. Operand 3670 states and 15200 transitions. [2020-10-22 02:32:36,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-22 02:32:36,042 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:32:36,042 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:32:36,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-22 02:32:36,042 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:32:36,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:32:36,043 INFO L82 PathProgramCache]: Analyzing trace with hash 436381913, now seen corresponding path program 1 times [2020-10-22 02:32:36,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:32:36,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023802057] [2020-10-22 02:32:36,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:32:36,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:32:36,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:32:36,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023802057] [2020-10-22 02:32:36,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:32:36,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:32:36,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1110619950] [2020-10-22 02:32:36,089 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:32:36,091 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:32:36,098 INFO L252 McrAutomatonBuilder]: Finished intersection with 22 states and 25 transitions. [2020-10-22 02:32:36,098 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:32:36,129 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:32:36,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:32:36,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:32:36,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:32:36,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:32:36,130 INFO L87 Difference]: Start difference. First operand 3670 states and 15200 transitions. Second operand 3 states. [2020-10-22 02:32:36,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:32:36,165 INFO L93 Difference]: Finished difference Result 1268 states and 3457 transitions. [2020-10-22 02:32:36,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:32:36,166 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-22 02:32:36,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:32:36,171 INFO L225 Difference]: With dead ends: 1268 [2020-10-22 02:32:36,171 INFO L226 Difference]: Without dead ends: 1268 [2020-10-22 02:32:36,172 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:32:36,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2020-10-22 02:32:36,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 1268. [2020-10-22 02:32:36,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1268 states. [2020-10-22 02:32:36,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 3457 transitions. [2020-10-22 02:32:36,217 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 3457 transitions. Word has length 17 [2020-10-22 02:32:36,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:32:36,217 INFO L481 AbstractCegarLoop]: Abstraction has 1268 states and 3457 transitions. [2020-10-22 02:32:36,217 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:32:36,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 3457 transitions. [2020-10-22 02:32:36,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-22 02:32:36,219 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:32:36,219 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:32:36,219 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-22 02:32:36,219 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:32:36,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:32:36,220 INFO L82 PathProgramCache]: Analyzing trace with hash -728076296, now seen corresponding path program 1 times [2020-10-22 02:32:36,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:32:36,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486192548] [2020-10-22 02:32:36,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:32:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:32:36,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:32:36,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486192548] [2020-10-22 02:32:36,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:32:36,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-22 02:32:36,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [989212543] [2020-10-22 02:32:36,293 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:32:36,296 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:32:36,305 INFO L252 McrAutomatonBuilder]: Finished intersection with 35 states and 50 transitions. [2020-10-22 02:32:36,306 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:32:36,504 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:32:36,505 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-22 02:32:36,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:32:36,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-22 02:32:36,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-22 02:32:36,505 INFO L87 Difference]: Start difference. First operand 1268 states and 3457 transitions. Second operand 7 states. [2020-10-22 02:32:36,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:32:36,845 INFO L93 Difference]: Finished difference Result 1977 states and 5048 transitions. [2020-10-22 02:32:36,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-22 02:32:36,846 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-22 02:32:36,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:32:36,852 INFO L225 Difference]: With dead ends: 1977 [2020-10-22 02:32:36,852 INFO L226 Difference]: Without dead ends: 1961 [2020-10-22 02:32:36,852 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-22 02:32:36,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1961 states. [2020-10-22 02:32:36,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1961 to 1173. [2020-10-22 02:32:36,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1173 states. [2020-10-22 02:32:36,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 1173 states and 3176 transitions. [2020-10-22 02:32:36,900 INFO L78 Accepts]: Start accepts. Automaton has 1173 states and 3176 transitions. Word has length 18 [2020-10-22 02:32:36,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:32:36,900 INFO L481 AbstractCegarLoop]: Abstraction has 1173 states and 3176 transitions. [2020-10-22 02:32:36,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-22 02:32:36,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 3176 transitions. [2020-10-22 02:32:36,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-22 02:32:36,902 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:32:36,902 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:32:36,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-22 02:32:36,902 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:32:36,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:32:36,903 INFO L82 PathProgramCache]: Analyzing trace with hash 2082924545, now seen corresponding path program 1 times [2020-10-22 02:32:36,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:32:36,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044666892] [2020-10-22 02:32:36,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:32:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:32:36,917 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:32:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:32:36,929 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:32:36,938 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 02:32:36,938 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 02:32:36,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-22 02:32:36,939 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-22 02:32:36,939 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-22 02:32:36,940 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-22 02:32:36,953 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,954 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,954 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,954 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,954 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,954 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,954 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,955 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,955 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,955 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,955 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,955 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,955 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,955 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,956 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,956 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,956 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,956 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,956 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,956 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,957 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,957 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,957 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,957 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,957 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,957 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,957 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,958 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,958 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,958 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,958 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,958 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,958 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,958 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,959 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,959 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,959 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,959 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,959 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,959 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,959 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,960 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,960 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,960 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,960 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,960 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,960 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,961 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,961 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,961 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,961 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,961 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,961 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,961 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,962 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,962 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,962 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,962 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,962 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,962 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,962 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,963 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,963 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,963 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,963 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,963 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,963 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,964 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,964 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,964 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,964 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,964 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,964 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,964 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,965 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,965 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,965 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,965 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,965 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,965 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,965 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,966 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,966 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,966 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,966 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,966 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,967 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,967 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,967 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,967 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,967 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,967 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,967 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,968 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,968 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,968 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,968 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,968 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,968 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,968 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,969 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,969 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,969 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,969 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,969 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,969 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,969 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,970 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,970 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,970 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,970 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,970 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,971 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,971 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,971 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,971 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,971 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,971 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,972 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,972 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,972 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,972 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,972 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,972 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,972 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,973 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,973 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,973 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,973 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,973 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,973 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,973 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,974 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,974 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,974 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,974 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,974 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,974 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,974 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,975 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,975 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,975 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,975 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,975 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,976 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,976 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,976 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,976 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,976 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,976 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,978 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,978 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,978 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,978 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,978 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,979 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,979 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,979 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,979 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,979 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,980 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,981 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,981 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,981 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,981 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,981 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,981 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,982 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,982 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,982 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,983 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,983 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,983 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,984 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,984 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,984 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,984 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,984 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,984 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,984 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of4ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,986 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,986 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,986 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,986 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,987 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,987 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,987 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,987 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,988 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,988 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,989 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,989 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,989 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,989 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,989 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,989 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,991 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,991 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,991 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,991 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,991 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,991 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,992 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,992 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,993 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,993 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,993 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,993 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,993 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,994 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,994 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,994 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:36,995 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 02:32:36,995 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-22 02:32:36,995 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 02:32:36,996 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 02:32:36,996 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 02:32:36,996 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 02:32:36,996 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 02:32:36,996 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 02:32:36,996 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 02:32:36,996 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 02:32:36,998 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 02:32:36,999 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 187 places, 187 transitions, 438 flow [2020-10-22 02:32:36,999 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 187 places, 187 transitions, 438 flow [2020-10-22 02:32:36,999 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 187 places, 187 transitions, 438 flow [2020-10-22 02:32:37,038 INFO L129 PetriNetUnfolder]: 16/197 cut-off events. [2020-10-22 02:32:37,038 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-22 02:32:37,041 INFO L80 FinitePrefix]: Finished finitePrefix Result has 226 conditions, 197 events. 16/197 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 448 event pairs, 0 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 217. Up to 10 conditions per place. [2020-10-22 02:32:37,053 INFO L116 LiptonReduction]: Number of co-enabled transitions 9040 [2020-10-22 02:32:40,269 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2020-10-22 02:32:40,394 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-10-22 02:32:40,672 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-22 02:32:41,017 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 109 [2020-10-22 02:32:41,465 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 121 [2020-10-22 02:32:41,647 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-22 02:32:41,654 INFO L131 LiptonReduction]: Checked pairs total: 17332 [2020-10-22 02:32:41,654 INFO L133 LiptonReduction]: Total number of compositions: 199 [2020-10-22 02:32:41,654 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 61 places, 47 transitions, 158 flow [2020-10-22 02:32:43,034 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19007 states. [2020-10-22 02:32:43,034 INFO L276 IsEmpty]: Start isEmpty. Operand 19007 states. [2020-10-22 02:32:43,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-22 02:32:43,034 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:32:43,034 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-22 02:32:43,035 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 02:32:43,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:32:43,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1391865, now seen corresponding path program 1 times [2020-10-22 02:32:43,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:32:43,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650510760] [2020-10-22 02:32:43,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:32:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:32:43,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:32:43,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650510760] [2020-10-22 02:32:43,064 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:32:43,064 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 02:32:43,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [769172960] [2020-10-22 02:32:43,065 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:32:43,065 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:32:43,066 INFO L252 McrAutomatonBuilder]: Finished intersection with 4 states and 3 transitions. [2020-10-22 02:32:43,066 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:32:43,066 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:32:43,066 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:32:43,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:32:43,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:32:43,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:32:43,067 INFO L87 Difference]: Start difference. First operand 19007 states. Second operand 3 states. [2020-10-22 02:32:43,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:32:43,291 INFO L93 Difference]: Finished difference Result 23088 states and 119575 transitions. [2020-10-22 02:32:43,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:32:43,292 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-22 02:32:43,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:32:44,363 INFO L225 Difference]: With dead ends: 23088 [2020-10-22 02:32:44,363 INFO L226 Difference]: Without dead ends: 21563 [2020-10-22 02:32:44,364 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:32:44,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21563 states. [2020-10-22 02:32:45,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21563 to 19491. [2020-10-22 02:32:45,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19491 states. [2020-10-22 02:32:45,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19491 states to 19491 states and 102028 transitions. [2020-10-22 02:32:45,399 INFO L78 Accepts]: Start accepts. Automaton has 19491 states and 102028 transitions. Word has length 3 [2020-10-22 02:32:45,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:32:45,399 INFO L481 AbstractCegarLoop]: Abstraction has 19491 states and 102028 transitions. [2020-10-22 02:32:45,399 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:32:45,399 INFO L276 IsEmpty]: Start isEmpty. Operand 19491 states and 102028 transitions. [2020-10-22 02:32:45,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 02:32:45,400 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:32:45,400 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:32:45,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-22 02:32:45,400 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 02:32:45,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:32:45,400 INFO L82 PathProgramCache]: Analyzing trace with hash 2055126346, now seen corresponding path program 1 times [2020-10-22 02:32:45,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:32:45,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921965046] [2020-10-22 02:32:45,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:32:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:32:45,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:32:45,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921965046] [2020-10-22 02:32:45,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:32:45,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:32:45,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1013638117] [2020-10-22 02:32:45,448 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:32:45,450 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:32:45,452 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-10-22 02:32:45,452 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:32:45,452 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:32:45,452 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 02:32:45,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:32:45,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 02:32:45,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:32:45,454 INFO L87 Difference]: Start difference. First operand 19491 states and 102028 transitions. Second operand 5 states. [2020-10-22 02:32:45,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:32:45,811 INFO L93 Difference]: Finished difference Result 35167 states and 174070 transitions. [2020-10-22 02:32:45,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 02:32:45,812 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-22 02:32:45,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:32:45,972 INFO L225 Difference]: With dead ends: 35167 [2020-10-22 02:32:45,972 INFO L226 Difference]: Without dead ends: 35111 [2020-10-22 02:32:45,973 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-22 02:32:46,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35111 states. [2020-10-22 02:32:48,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35111 to 20790. [2020-10-22 02:32:48,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20790 states. [2020-10-22 02:32:48,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20790 states to 20790 states and 109314 transitions. [2020-10-22 02:32:48,374 INFO L78 Accepts]: Start accepts. Automaton has 20790 states and 109314 transitions. Word has length 10 [2020-10-22 02:32:48,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:32:48,374 INFO L481 AbstractCegarLoop]: Abstraction has 20790 states and 109314 transitions. [2020-10-22 02:32:48,374 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 02:32:48,374 INFO L276 IsEmpty]: Start isEmpty. Operand 20790 states and 109314 transitions. [2020-10-22 02:32:48,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-22 02:32:48,375 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:32:48,375 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:32:48,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-22 02:32:48,376 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 02:32:48,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:32:48,376 INFO L82 PathProgramCache]: Analyzing trace with hash 728051274, now seen corresponding path program 1 times [2020-10-22 02:32:48,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:32:48,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990588611] [2020-10-22 02:32:48,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:32:48,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:32:48,425 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:32:48,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990588611] [2020-10-22 02:32:48,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:32:48,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:32:48,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [253164022] [2020-10-22 02:32:48,426 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:32:48,427 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:32:48,429 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2020-10-22 02:32:48,429 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:32:48,430 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:32:48,430 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 02:32:48,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:32:48,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 02:32:48,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:32:48,431 INFO L87 Difference]: Start difference. First operand 20790 states and 109314 transitions. Second operand 5 states. [2020-10-22 02:32:49,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:32:49,052 INFO L93 Difference]: Finished difference Result 37751 states and 189031 transitions. [2020-10-22 02:32:49,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 02:32:49,052 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-22 02:32:49,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:32:49,213 INFO L225 Difference]: With dead ends: 37751 [2020-10-22 02:32:49,213 INFO L226 Difference]: Without dead ends: 37626 [2020-10-22 02:32:49,213 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-22 02:32:49,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37626 states. [2020-10-22 02:32:50,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37626 to 22860. [2020-10-22 02:32:50,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22860 states. [2020-10-22 02:32:50,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22860 states to 22860 states and 121589 transitions. [2020-10-22 02:32:50,836 INFO L78 Accepts]: Start accepts. Automaton has 22860 states and 121589 transitions. Word has length 14 [2020-10-22 02:32:50,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:32:50,837 INFO L481 AbstractCegarLoop]: Abstraction has 22860 states and 121589 transitions. [2020-10-22 02:32:50,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 02:32:50,837 INFO L276 IsEmpty]: Start isEmpty. Operand 22860 states and 121589 transitions. [2020-10-22 02:32:50,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-22 02:32:50,838 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:32:50,838 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:32:50,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-22 02:32:50,838 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 02:32:50,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:32:50,839 INFO L82 PathProgramCache]: Analyzing trace with hash -488413200, now seen corresponding path program 1 times [2020-10-22 02:32:50,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:32:50,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973140558] [2020-10-22 02:32:50,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:32:50,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:32:50,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:32:50,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973140558] [2020-10-22 02:32:50,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:32:50,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:32:50,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [338826123] [2020-10-22 02:32:50,871 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:32:50,873 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:32:50,878 INFO L252 McrAutomatonBuilder]: Finished intersection with 32 states and 45 transitions. [2020-10-22 02:32:50,879 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:32:51,056 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:32:51,056 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:32:51,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:32:51,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:32:51,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:32:51,057 INFO L87 Difference]: Start difference. First operand 22860 states and 121589 transitions. Second operand 3 states. [2020-10-22 02:32:51,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:32:51,125 INFO L93 Difference]: Finished difference Result 4827 states and 15106 transitions. [2020-10-22 02:32:51,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:32:51,126 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-22 02:32:51,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:32:51,142 INFO L225 Difference]: With dead ends: 4827 [2020-10-22 02:32:51,142 INFO L226 Difference]: Without dead ends: 4827 [2020-10-22 02:32:51,143 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:32:51,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4827 states. [2020-10-22 02:32:51,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4827 to 4803. [2020-10-22 02:32:51,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4803 states. [2020-10-22 02:32:51,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4803 states to 4803 states and 15042 transitions. [2020-10-22 02:32:51,298 INFO L78 Accepts]: Start accepts. Automaton has 4803 states and 15042 transitions. Word has length 17 [2020-10-22 02:32:51,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:32:51,299 INFO L481 AbstractCegarLoop]: Abstraction has 4803 states and 15042 transitions. [2020-10-22 02:32:51,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:32:51,300 INFO L276 IsEmpty]: Start isEmpty. Operand 4803 states and 15042 transitions. [2020-10-22 02:32:51,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-22 02:32:51,301 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:32:51,301 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:32:51,301 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-22 02:32:51,302 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 02:32:51,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:32:51,302 INFO L82 PathProgramCache]: Analyzing trace with hash -2048019711, now seen corresponding path program 1 times [2020-10-22 02:32:51,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:32:51,303 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219321274] [2020-10-22 02:32:51,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:32:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:32:51,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:32:51,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219321274] [2020-10-22 02:32:51,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852928292] [2020-10-22 02:32:51,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:32:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:32:51,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-22 02:32:51,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:32:51,565 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:32:51,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 02:32:51,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-22 02:32:51,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2101585344] [2020-10-22 02:32:51,567 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:32:51,569 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:32:51,577 INFO L252 McrAutomatonBuilder]: Finished intersection with 35 states and 50 transitions. [2020-10-22 02:32:51,578 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:32:52,023 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [275012#(<= (+ thr2Thread1of4ForFork0_~t~0 5) ~n~0), 275013#(<= (+ ~x~0 5) ~n~0)] [2020-10-22 02:32:52,024 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-22 02:32:52,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:32:52,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-22 02:32:52,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2020-10-22 02:32:52,025 INFO L87 Difference]: Start difference. First operand 4803 states and 15042 transitions. Second operand 9 states. [2020-10-22 02:32:52,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:32:52,520 INFO L93 Difference]: Finished difference Result 8911 states and 26543 transitions. [2020-10-22 02:32:52,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-22 02:32:52,521 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2020-10-22 02:32:52,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:32:52,543 INFO L225 Difference]: With dead ends: 8911 [2020-10-22 02:32:52,543 INFO L226 Difference]: Without dead ends: 8877 [2020-10-22 02:32:52,544 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2020-10-22 02:32:52,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8877 states. [2020-10-22 02:32:52,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8877 to 4532. [2020-10-22 02:32:52,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4532 states. [2020-10-22 02:32:52,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4532 states to 4532 states and 14145 transitions. [2020-10-22 02:32:52,659 INFO L78 Accepts]: Start accepts. Automaton has 4532 states and 14145 transitions. Word has length 18 [2020-10-22 02:32:52,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:32:52,659 INFO L481 AbstractCegarLoop]: Abstraction has 4532 states and 14145 transitions. [2020-10-22 02:32:52,660 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-22 02:32:52,660 INFO L276 IsEmpty]: Start isEmpty. Operand 4532 states and 14145 transitions. [2020-10-22 02:32:52,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-22 02:32:52,661 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:32:52,661 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:32:52,872 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-10-22 02:32:52,873 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 02:32:52,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:32:52,874 INFO L82 PathProgramCache]: Analyzing trace with hash -216309157, now seen corresponding path program 1 times [2020-10-22 02:32:52,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:32:52,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387474678] [2020-10-22 02:32:52,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:32:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:32:52,917 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-22 02:32:52,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387474678] [2020-10-22 02:32:52,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:32:52,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:32:52,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [356259579] [2020-10-22 02:32:52,918 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:32:52,920 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:32:52,923 INFO L252 McrAutomatonBuilder]: Finished intersection with 19 states and 18 transitions. [2020-10-22 02:32:52,923 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:32:52,924 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:32:52,924 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 02:32:52,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:32:52,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 02:32:52,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:32:52,925 INFO L87 Difference]: Start difference. First operand 4532 states and 14145 transitions. Second operand 5 states. [2020-10-22 02:32:53,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:32:53,074 INFO L93 Difference]: Finished difference Result 7656 states and 23140 transitions. [2020-10-22 02:32:53,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 02:32:53,075 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2020-10-22 02:32:53,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:32:53,093 INFO L225 Difference]: With dead ends: 7656 [2020-10-22 02:32:53,093 INFO L226 Difference]: Without dead ends: 7633 [2020-10-22 02:32:53,094 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-22 02:32:53,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7633 states. [2020-10-22 02:32:53,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7633 to 4916. [2020-10-22 02:32:53,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4916 states. [2020-10-22 02:32:53,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4916 states to 4916 states and 15426 transitions. [2020-10-22 02:32:53,250 INFO L78 Accepts]: Start accepts. Automaton has 4916 states and 15426 transitions. Word has length 18 [2020-10-22 02:32:53,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:32:53,250 INFO L481 AbstractCegarLoop]: Abstraction has 4916 states and 15426 transitions. [2020-10-22 02:32:53,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 02:32:53,250 INFO L276 IsEmpty]: Start isEmpty. Operand 4916 states and 15426 transitions. [2020-10-22 02:32:53,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-22 02:32:53,252 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:32:53,252 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:32:53,252 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-22 02:32:53,252 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 02:32:53,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:32:53,253 INFO L82 PathProgramCache]: Analyzing trace with hash 2063912021, now seen corresponding path program 1 times [2020-10-22 02:32:53,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:32:53,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275373960] [2020-10-22 02:32:53,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:32:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:32:53,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:32:53,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275373960] [2020-10-22 02:32:53,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:32:53,309 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-22 02:32:53,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [775336663] [2020-10-22 02:32:53,309 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:32:53,311 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:32:53,315 INFO L252 McrAutomatonBuilder]: Finished intersection with 19 states and 18 transitions. [2020-10-22 02:32:53,315 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:32:53,315 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:32:53,315 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-22 02:32:53,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:32:53,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-22 02:32:53,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-22 02:32:53,316 INFO L87 Difference]: Start difference. First operand 4916 states and 15426 transitions. Second operand 7 states. [2020-10-22 02:32:53,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:32:53,661 INFO L93 Difference]: Finished difference Result 9482 states and 28329 transitions. [2020-10-22 02:32:53,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-22 02:32:53,662 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2020-10-22 02:32:53,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:32:53,684 INFO L225 Difference]: With dead ends: 9482 [2020-10-22 02:32:53,684 INFO L226 Difference]: Without dead ends: 9443 [2020-10-22 02:32:53,685 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-22 02:32:53,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9443 states. [2020-10-22 02:32:54,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9443 to 4737. [2020-10-22 02:32:54,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4737 states. [2020-10-22 02:32:54,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4737 states to 4737 states and 14887 transitions. [2020-10-22 02:32:54,150 INFO L78 Accepts]: Start accepts. Automaton has 4737 states and 14887 transitions. Word has length 18 [2020-10-22 02:32:54,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:32:54,151 INFO L481 AbstractCegarLoop]: Abstraction has 4737 states and 14887 transitions. [2020-10-22 02:32:54,151 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-22 02:32:54,151 INFO L276 IsEmpty]: Start isEmpty. Operand 4737 states and 14887 transitions. [2020-10-22 02:32:54,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-22 02:32:54,154 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:32:54,154 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:32:54,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-22 02:32:54,154 INFO L429 AbstractCegarLoop]: === Iteration 8 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 02:32:54,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:32:54,154 INFO L82 PathProgramCache]: Analyzing trace with hash 399815570, now seen corresponding path program 1 times [2020-10-22 02:32:54,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:32:54,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225256101] [2020-10-22 02:32:54,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:32:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:32:54,232 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-22 02:32:54,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225256101] [2020-10-22 02:32:54,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488249167] [2020-10-22 02:32:54,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:32:54,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:32:54,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-22 02:32:54,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:32:54,390 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-22 02:32:54,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 02:32:54,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-22 02:32:54,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1674579283] [2020-10-22 02:32:54,391 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:32:54,394 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:32:54,406 INFO L252 McrAutomatonBuilder]: Finished intersection with 55 states and 86 transitions. [2020-10-22 02:32:54,406 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:32:54,784 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [329557#(<= (+ ~x~0 5) ~n~0), 329556#(<= (+ thr2Thread1of4ForFork0_~t~0 5) ~n~0)] [2020-10-22 02:32:54,785 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-22 02:32:54,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:32:54,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-22 02:32:54,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2020-10-22 02:32:54,786 INFO L87 Difference]: Start difference. First operand 4737 states and 14887 transitions. Second operand 9 states. [2020-10-22 02:32:55,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:32:55,234 INFO L93 Difference]: Finished difference Result 9245 states and 27612 transitions. [2020-10-22 02:32:55,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-22 02:32:55,234 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-10-22 02:32:55,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:32:55,251 INFO L225 Difference]: With dead ends: 9245 [2020-10-22 02:32:55,251 INFO L226 Difference]: Without dead ends: 9219 [2020-10-22 02:32:55,252 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2020-10-22 02:32:55,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9219 states. [2020-10-22 02:32:55,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9219 to 4617. [2020-10-22 02:32:55,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4617 states. [2020-10-22 02:32:55,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4617 states to 4617 states and 14463 transitions. [2020-10-22 02:32:55,382 INFO L78 Accepts]: Start accepts. Automaton has 4617 states and 14463 transitions. Word has length 22 [2020-10-22 02:32:55,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:32:55,383 INFO L481 AbstractCegarLoop]: Abstraction has 4617 states and 14463 transitions. [2020-10-22 02:32:55,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-22 02:32:55,383 INFO L276 IsEmpty]: Start isEmpty. Operand 4617 states and 14463 transitions. [2020-10-22 02:32:55,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-22 02:32:55,385 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:32:55,386 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:32:55,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:32:55,599 INFO L429 AbstractCegarLoop]: === Iteration 9 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 02:32:55,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:32:55,599 INFO L82 PathProgramCache]: Analyzing trace with hash 108784157, now seen corresponding path program 1 times [2020-10-22 02:32:55,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:32:55,602 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895470731] [2020-10-22 02:32:55,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:32:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:32:55,658 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-22 02:32:55,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895470731] [2020-10-22 02:32:55,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178434273] [2020-10-22 02:32:55,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:32:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:32:55,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-22 02:32:55,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:32:55,815 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-22 02:32:55,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 02:32:55,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 10 [2020-10-22 02:32:55,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1636149828] [2020-10-22 02:32:55,816 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:32:55,821 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:32:55,829 INFO L252 McrAutomatonBuilder]: Finished intersection with 39 states and 54 transitions. [2020-10-22 02:32:55,830 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:32:56,014 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [348129#(<= (+ ~x~0 5) ~n~0), 348128#(<= (+ thr2Thread2of4ForFork0_~t~0 5) ~n~0)] [2020-10-22 02:32:56,015 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-22 02:32:56,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:32:56,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-22 02:32:56,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2020-10-22 02:32:56,015 INFO L87 Difference]: Start difference. First operand 4617 states and 14463 transitions. Second operand 9 states. [2020-10-22 02:32:56,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:32:56,509 INFO L93 Difference]: Finished difference Result 9587 states and 28662 transitions. [2020-10-22 02:32:56,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-22 02:32:56,510 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-10-22 02:32:56,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:32:56,527 INFO L225 Difference]: With dead ends: 9587 [2020-10-22 02:32:56,527 INFO L226 Difference]: Without dead ends: 9555 [2020-10-22 02:32:56,528 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2020-10-22 02:32:56,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9555 states. [2020-10-22 02:32:56,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9555 to 4637. [2020-10-22 02:32:56,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4637 states. [2020-10-22 02:32:56,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4637 states to 4637 states and 14557 transitions. [2020-10-22 02:32:56,892 INFO L78 Accepts]: Start accepts. Automaton has 4637 states and 14557 transitions. Word has length 22 [2020-10-22 02:32:56,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:32:56,892 INFO L481 AbstractCegarLoop]: Abstraction has 4637 states and 14557 transitions. [2020-10-22 02:32:56,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-22 02:32:56,892 INFO L276 IsEmpty]: Start isEmpty. Operand 4637 states and 14557 transitions. [2020-10-22 02:32:56,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-22 02:32:56,895 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:32:56,895 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:32:57,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2020-10-22 02:32:57,106 INFO L429 AbstractCegarLoop]: === Iteration 10 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 02:32:57,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:32:57,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1457451776, now seen corresponding path program 1 times [2020-10-22 02:32:57,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:32:57,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383764225] [2020-10-22 02:32:57,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:32:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:32:57,166 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-22 02:32:57,166 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383764225] [2020-10-22 02:32:57,166 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:32:57,166 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-22 02:32:57,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1572482098] [2020-10-22 02:32:57,167 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:32:57,170 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:32:57,174 INFO L252 McrAutomatonBuilder]: Finished intersection with 23 states and 22 transitions. [2020-10-22 02:32:57,175 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:32:57,175 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:32:57,175 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-22 02:32:57,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:32:57,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-22 02:32:57,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-22 02:32:57,176 INFO L87 Difference]: Start difference. First operand 4637 states and 14557 transitions. Second operand 7 states. [2020-10-22 02:32:57,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:32:57,546 INFO L93 Difference]: Finished difference Result 9409 states and 28176 transitions. [2020-10-22 02:32:57,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-22 02:32:57,547 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-10-22 02:32:57,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:32:57,563 INFO L225 Difference]: With dead ends: 9409 [2020-10-22 02:32:57,563 INFO L226 Difference]: Without dead ends: 9379 [2020-10-22 02:32:57,564 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-22 02:32:57,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9379 states. [2020-10-22 02:32:57,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9379 to 4604. [2020-10-22 02:32:57,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4604 states. [2020-10-22 02:32:57,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4604 states to 4604 states and 14452 transitions. [2020-10-22 02:32:57,689 INFO L78 Accepts]: Start accepts. Automaton has 4604 states and 14452 transitions. Word has length 22 [2020-10-22 02:32:57,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:32:57,689 INFO L481 AbstractCegarLoop]: Abstraction has 4604 states and 14452 transitions. [2020-10-22 02:32:57,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-22 02:32:57,689 INFO L276 IsEmpty]: Start isEmpty. Operand 4604 states and 14452 transitions. [2020-10-22 02:32:57,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-22 02:32:57,692 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:32:57,692 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:32:57,692 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-22 02:32:57,692 INFO L429 AbstractCegarLoop]: === Iteration 11 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 02:32:57,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:32:57,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1457076211, now seen corresponding path program 1 times [2020-10-22 02:32:57,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:32:57,693 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666710411] [2020-10-22 02:32:57,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:32:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:32:57,763 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-22 02:32:57,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666710411] [2020-10-22 02:32:57,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:32:57,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-22 02:32:57,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [925522701] [2020-10-22 02:32:57,764 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:32:57,767 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:32:57,772 INFO L252 McrAutomatonBuilder]: Finished intersection with 23 states and 22 transitions. [2020-10-22 02:32:57,772 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:32:57,772 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:32:57,773 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-22 02:32:57,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:32:57,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-22 02:32:57,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-22 02:32:57,773 INFO L87 Difference]: Start difference. First operand 4604 states and 14452 transitions. Second operand 7 states. [2020-10-22 02:32:58,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:32:58,148 INFO L93 Difference]: Finished difference Result 9540 states and 28547 transitions. [2020-10-22 02:32:58,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-22 02:32:58,149 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-10-22 02:32:58,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:32:58,165 INFO L225 Difference]: With dead ends: 9540 [2020-10-22 02:32:58,165 INFO L226 Difference]: Without dead ends: 9501 [2020-10-22 02:32:58,165 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2020-10-22 02:32:58,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9501 states. [2020-10-22 02:32:58,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9501 to 4523. [2020-10-22 02:32:58,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4523 states. [2020-10-22 02:32:58,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4523 states to 4523 states and 14210 transitions. [2020-10-22 02:32:58,275 INFO L78 Accepts]: Start accepts. Automaton has 4523 states and 14210 transitions. Word has length 22 [2020-10-22 02:32:58,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:32:58,276 INFO L481 AbstractCegarLoop]: Abstraction has 4523 states and 14210 transitions. [2020-10-22 02:32:58,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-22 02:32:58,276 INFO L276 IsEmpty]: Start isEmpty. Operand 4523 states and 14210 transitions. [2020-10-22 02:32:58,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-22 02:32:58,277 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:32:58,277 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:32:58,277 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-22 02:32:58,278 INFO L429 AbstractCegarLoop]: === Iteration 12 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-22 02:32:58,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:32:58,278 INFO L82 PathProgramCache]: Analyzing trace with hash -699788641, now seen corresponding path program 1 times [2020-10-22 02:32:58,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:32:58,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412459945] [2020-10-22 02:32:58,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:32:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:32:58,290 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:32:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 02:32:58,298 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 02:32:58,307 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 02:32:58,307 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 02:32:58,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-22 02:32:58,308 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-22 02:32:58,310 WARN L371 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-22 02:32:58,310 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-10-22 02:32:58,331 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,331 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,331 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,331 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,331 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,331 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,331 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,332 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,332 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,332 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,332 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,332 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,332 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,332 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,332 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,333 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,333 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,333 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,333 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,333 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,333 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,333 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,334 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,334 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,334 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,334 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,334 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,334 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,334 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,334 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,335 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,335 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,335 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,335 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,335 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,335 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,335 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,335 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,336 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,336 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,336 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,336 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,336 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,336 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,337 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,337 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,337 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,337 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,337 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,337 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,337 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,337 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,338 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,338 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,338 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,338 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,338 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,338 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,338 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,338 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,339 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,339 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,339 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,339 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,339 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,339 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,339 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,339 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,340 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,340 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,340 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,340 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,340 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,340 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,340 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,340 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,341 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,341 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,341 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,341 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,341 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,341 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,341 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,341 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,343 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,343 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,343 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,343 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,343 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,344 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,344 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,344 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,344 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,344 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,345 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,345 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,345 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,345 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,345 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,346 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,346 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,346 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,346 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,346 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,346 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,347 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,347 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,347 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,348 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,348 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,348 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,348 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,348 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,348 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,349 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,349 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,349 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,349 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,350 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,350 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,350 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,350 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,350 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,350 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,351 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,351 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,351 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,352 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,353 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,353 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,353 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,353 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,353 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,353 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,354 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,354 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,354 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,354 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,354 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,355 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,355 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,355 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,355 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,355 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,356 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,356 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,356 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,356 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,356 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,357 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,358 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,358 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,358 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,358 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,358 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,358 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,359 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,359 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,359 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,359 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,359 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,360 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,360 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,360 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,360 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,361 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,361 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,361 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,361 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,361 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,361 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,362 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,362 WARN L313 ript$VariableManager]: TermVariabe thr2Thread1of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,362 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,365 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,365 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,366 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,366 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,366 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,366 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,367 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,367 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,367 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,367 WARN L313 ript$VariableManager]: TermVariabe thr2Thread2of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,374 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,374 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,374 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,375 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,375 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,376 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,376 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,376 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,377 WARN L313 ript$VariableManager]: TermVariabe thr2Thread3of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,377 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,378 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,379 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,379 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,379 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,379 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,380 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,380 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,380 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,380 WARN L313 ript$VariableManager]: TermVariabe thr2Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,381 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,382 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,382 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~t~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,382 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,383 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,383 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,383 WARN L313 ript$VariableManager]: TermVariabe thr2Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,383 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,383 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,384 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,384 WARN L313 ript$VariableManager]: TermVariabe |thr2Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,385 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,385 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,385 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,385 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,386 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,386 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,386 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,386 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,387 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,387 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,387 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,388 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,388 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,388 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,388 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,389 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,390 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,390 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,390 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,391 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,391 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,391 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,391 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,391 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,393 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,393 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,393 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,393 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,394 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,394 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,394 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,394 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,396 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,396 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_reach_error_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,397 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,397 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,397 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1_reach_error_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,397 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,397 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,398 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 02:32:58,399 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 02:32:58,399 INFO L253 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2020-10-22 02:32:58,400 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 02:32:58,400 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 02:32:58,400 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 02:32:58,400 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 02:32:58,400 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 02:32:58,400 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 02:32:58,401 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 02:32:58,401 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 02:32:58,405 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 02:32:58,405 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 221 places, 221 transitions, 532 flow [2020-10-22 02:32:58,406 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 221 places, 221 transitions, 532 flow [2020-10-22 02:32:58,406 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 221 places, 221 transitions, 532 flow [2020-10-22 02:32:58,456 INFO L129 PetriNetUnfolder]: 19/231 cut-off events. [2020-10-22 02:32:58,456 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-10-22 02:32:58,461 INFO L80 FinitePrefix]: Finished finitePrefix Result has 269 conditions, 231 events. 19/231 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 563 event pairs, 0 based on Foata normal form. 0/205 useless extension candidates. Maximal degree in co-relation 258. Up to 12 conditions per place. [2020-10-22 02:32:58,481 INFO L116 LiptonReduction]: Number of co-enabled transitions 12884 [2020-10-22 02:32:59,478 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-10-22 02:33:01,819 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-10-22 02:33:02,084 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2020-10-22 02:33:02,271 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 63 [2020-10-22 02:33:03,242 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-10-22 02:33:03,520 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-22 02:33:04,017 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2020-10-22 02:33:04,198 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-22 02:33:04,626 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 119 [2020-10-22 02:33:04,820 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2020-10-22 02:33:04,843 INFO L131 LiptonReduction]: Checked pairs total: 24676 [2020-10-22 02:33:04,844 INFO L133 LiptonReduction]: Total number of compositions: 236 [2020-10-22 02:33:04,844 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 75 places, 58 transitions, 206 flow [2020-10-22 02:33:35,691 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 136082 states. [2020-10-22 02:33:35,691 INFO L276 IsEmpty]: Start isEmpty. Operand 136082 states. [2020-10-22 02:33:35,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-10-22 02:33:35,691 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:33:35,691 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1] [2020-10-22 02:33:35,692 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:33:35,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:33:35,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1878250, now seen corresponding path program 1 times [2020-10-22 02:33:35,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:33:35,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956700488] [2020-10-22 02:33:35,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:33:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:33:35,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:33:35,723 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956700488] [2020-10-22 02:33:35,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:33:35,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 02:33:35,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [457509607] [2020-10-22 02:33:35,724 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:33:35,725 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:33:35,725 INFO L252 McrAutomatonBuilder]: Finished intersection with 4 states and 3 transitions. [2020-10-22 02:33:35,725 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:33:35,725 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:33:35,725 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:33:35,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:33:35,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:33:35,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:33:35,726 INFO L87 Difference]: Start difference. First operand 136082 states. Second operand 3 states. [2020-10-22 02:33:41,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:33:41,434 INFO L93 Difference]: Finished difference Result 202471 states and 1266110 transitions. [2020-10-22 02:33:41,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:33:41,434 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2020-10-22 02:33:41,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:33:42,350 INFO L225 Difference]: With dead ends: 202471 [2020-10-22 02:33:42,351 INFO L226 Difference]: Without dead ends: 188716 [2020-10-22 02:33:42,351 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:33:45,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188716 states. [2020-10-22 02:33:57,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188716 to 160347. [2020-10-22 02:33:57,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160347 states. [2020-10-22 02:33:58,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160347 states to 160347 states and 1014762 transitions. [2020-10-22 02:33:58,852 INFO L78 Accepts]: Start accepts. Automaton has 160347 states and 1014762 transitions. Word has length 3 [2020-10-22 02:33:58,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:33:58,852 INFO L481 AbstractCegarLoop]: Abstraction has 160347 states and 1014762 transitions. [2020-10-22 02:33:58,852 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:33:58,852 INFO L276 IsEmpty]: Start isEmpty. Operand 160347 states and 1014762 transitions. [2020-10-22 02:33:58,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-22 02:33:58,852 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:33:58,852 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:33:58,852 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-22 02:33:58,853 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:33:58,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:33:58,853 INFO L82 PathProgramCache]: Analyzing trace with hash 167503586, now seen corresponding path program 1 times [2020-10-22 02:33:58,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:33:58,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452750446] [2020-10-22 02:33:58,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:33:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:33:58,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:33:58,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452750446] [2020-10-22 02:33:58,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:33:58,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:33:58,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1952806949] [2020-10-22 02:33:58,893 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:33:58,893 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:33:58,894 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2020-10-22 02:33:58,894 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:33:58,895 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:33:58,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 02:33:58,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:33:58,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 02:33:58,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:33:58,895 INFO L87 Difference]: Start difference. First operand 160347 states and 1014762 transitions. Second operand 5 states. [2020-10-22 02:34:09,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:34:09,176 INFO L93 Difference]: Finished difference Result 305949 states and 1863760 transitions. [2020-10-22 02:34:09,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 02:34:09,176 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-22 02:34:09,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:34:19,313 INFO L225 Difference]: With dead ends: 305949 [2020-10-22 02:34:19,314 INFO L226 Difference]: Without dead ends: 305344 [2020-10-22 02:34:19,314 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-22 02:34:23,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305344 states. [2020-10-22 02:34:36,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305344 to 174575. [2020-10-22 02:34:36,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174575 states. [2020-10-22 02:34:38,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174575 states to 174575 states and 1122422 transitions. [2020-10-22 02:34:38,681 INFO L78 Accepts]: Start accepts. Automaton has 174575 states and 1122422 transitions. Word has length 10 [2020-10-22 02:34:38,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:34:38,682 INFO L481 AbstractCegarLoop]: Abstraction has 174575 states and 1122422 transitions. [2020-10-22 02:34:38,682 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 02:34:38,682 INFO L276 IsEmpty]: Start isEmpty. Operand 174575 states and 1122422 transitions. [2020-10-22 02:34:38,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-22 02:34:38,682 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:34:38,682 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:34:38,682 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-22 02:34:38,682 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:34:38,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:34:38,683 INFO L82 PathProgramCache]: Analyzing trace with hash 740467655, now seen corresponding path program 1 times [2020-10-22 02:34:38,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:34:38,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945897260] [2020-10-22 02:34:38,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:34:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:34:38,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-22 02:34:38,746 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945897260] [2020-10-22 02:34:38,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:34:38,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:34:38,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1681857328] [2020-10-22 02:34:38,746 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:34:38,747 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:34:38,749 INFO L252 McrAutomatonBuilder]: Finished intersection with 15 states and 14 transitions. [2020-10-22 02:34:38,749 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:34:38,750 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:34:38,751 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-22 02:34:38,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:34:38,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-22 02:34:38,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-22 02:34:38,752 INFO L87 Difference]: Start difference. First operand 174575 states and 1122422 transitions. Second operand 5 states. [2020-10-22 02:34:50,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:34:50,976 INFO L93 Difference]: Finished difference Result 364546 states and 2226789 transitions. [2020-10-22 02:34:50,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-22 02:34:50,977 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-22 02:34:50,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:35:01,389 INFO L225 Difference]: With dead ends: 364546 [2020-10-22 02:35:01,390 INFO L226 Difference]: Without dead ends: 363946 [2020-10-22 02:35:01,390 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-22 02:35:05,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363946 states. [2020-10-22 02:35:13,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363946 to 196959. [2020-10-22 02:35:13,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196959 states. [2020-10-22 02:35:27,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196959 states to 196959 states and 1268508 transitions. [2020-10-22 02:35:27,244 INFO L78 Accepts]: Start accepts. Automaton has 196959 states and 1268508 transitions. Word has length 14 [2020-10-22 02:35:27,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:35:27,244 INFO L481 AbstractCegarLoop]: Abstraction has 196959 states and 1268508 transitions. [2020-10-22 02:35:27,245 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-22 02:35:27,245 INFO L276 IsEmpty]: Start isEmpty. Operand 196959 states and 1268508 transitions. [2020-10-22 02:35:27,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-22 02:35:27,246 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:35:27,246 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:35:27,246 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-22 02:35:27,246 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:35:27,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:35:27,247 INFO L82 PathProgramCache]: Analyzing trace with hash 807450510, now seen corresponding path program 1 times [2020-10-22 02:35:27,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:35:27,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792004660] [2020-10-22 02:35:27,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:35:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:35:27,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:35:27,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792004660] [2020-10-22 02:35:27,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 02:35:27,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-22 02:35:27,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [479652444] [2020-10-22 02:35:27,277 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 02:35:27,279 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 02:35:27,284 INFO L252 McrAutomatonBuilder]: Finished intersection with 32 states and 45 transitions. [2020-10-22 02:35:27,284 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 02:35:27,424 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 02:35:27,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 02:35:27,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 02:35:27,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 02:35:27,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:35:27,426 INFO L87 Difference]: Start difference. First operand 196959 states and 1268508 transitions. Second operand 3 states. [2020-10-22 02:35:27,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 02:35:27,618 INFO L93 Difference]: Finished difference Result 34387 states and 138301 transitions. [2020-10-22 02:35:27,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 02:35:27,618 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-10-22 02:35:27,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 02:35:27,703 INFO L225 Difference]: With dead ends: 34387 [2020-10-22 02:35:27,703 INFO L226 Difference]: Without dead ends: 34387 [2020-10-22 02:35:27,703 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 02:35:28,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34387 states. [2020-10-22 02:35:28,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34387 to 33796. [2020-10-22 02:35:28,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33796 states. [2020-10-22 02:35:28,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33796 states to 33796 states and 136160 transitions. [2020-10-22 02:35:28,630 INFO L78 Accepts]: Start accepts. Automaton has 33796 states and 136160 transitions. Word has length 17 [2020-10-22 02:35:28,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 02:35:28,630 INFO L481 AbstractCegarLoop]: Abstraction has 33796 states and 136160 transitions. [2020-10-22 02:35:28,630 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 02:35:28,630 INFO L276 IsEmpty]: Start isEmpty. Operand 33796 states and 136160 transitions. [2020-10-22 02:35:28,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-22 02:35:28,631 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 02:35:28,631 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 02:35:28,631 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-22 02:35:28,631 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 02:35:28,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 02:35:28,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1961376418, now seen corresponding path program 1 times [2020-10-22 02:35:28,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 02:35:28,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186709626] [2020-10-22 02:35:28,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 02:35:28,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:35:28,701 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 02:35:28,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186709626] [2020-10-22 02:35:28,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432311386] [2020-10-22 02:35:28,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true Received shutdown request... [2020-10-22 02:35:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 02:35:30,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-22 02:35:30,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 02:35:30,619 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 02:35:30,620 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-22 02:35:30,624 WARN L235 ceAbstractionStarter]: Timeout [2020-10-22 02:35:30,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 02:35:30 BasicIcfg [2020-10-22 02:35:30,624 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 02:35:30,625 INFO L168 Benchmark]: Toolchain (without parser) took 191158.83 ms. Allocated memory was 142.1 MB in the beginning and 6.9 GB in the end (delta: 6.8 GB). Free memory was 103.2 MB in the beginning and 2.6 GB in the end (delta: -2.5 GB). Peak memory consumption was 4.3 GB. Max. memory is 7.1 GB. [2020-10-22 02:35:30,625 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 142.1 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-22 02:35:30,626 INFO L168 Benchmark]: CACSL2BoogieTranslator took 722.93 ms. Allocated memory was 142.1 MB in the beginning and 205.0 MB in the end (delta: 62.9 MB). Free memory was 102.4 MB in the beginning and 160.4 MB in the end (delta: -58.0 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2020-10-22 02:35:30,626 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.32 ms. Allocated memory is still 205.0 MB. Free memory was 160.4 MB in the beginning and 157.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-22 02:35:30,627 INFO L168 Benchmark]: Boogie Preprocessor took 30.95 ms. Allocated memory is still 205.0 MB. Free memory was 157.8 MB in the beginning and 156.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-10-22 02:35:30,627 INFO L168 Benchmark]: RCFGBuilder took 474.05 ms. Allocated memory is still 205.0 MB. Free memory was 156.5 MB in the beginning and 131.2 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-10-22 02:35:30,627 INFO L168 Benchmark]: TraceAbstraction took 189867.09 ms. Allocated memory was 205.0 MB in the beginning and 6.9 GB in the end (delta: 6.7 GB). Free memory was 130.6 MB in the beginning and 2.6 GB in the end (delta: -2.4 GB). Peak memory consumption was 4.3 GB. Max. memory is 7.1 GB. [2020-10-22 02:35:30,631 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 142.1 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 722.93 ms. Allocated memory was 142.1 MB in the beginning and 205.0 MB in the end (delta: 62.9 MB). Free memory was 102.4 MB in the beginning and 160.4 MB in the end (delta: -58.0 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 54.32 ms. Allocated memory is still 205.0 MB. Free memory was 160.4 MB in the beginning and 157.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.95 ms. Allocated memory is still 205.0 MB. Free memory was 157.8 MB in the beginning and 156.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 474.05 ms. Allocated memory is still 205.0 MB. Free memory was 156.5 MB in the beginning and 131.2 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 189867.09 ms. Allocated memory was 205.0 MB in the beginning and 6.9 GB in the end (delta: 6.7 GB). Free memory was 130.6 MB in the beginning and 2.6 GB in the end (delta: -2.4 GB). Peak memory consumption was 4.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 934 VarBasedMoverChecksPositive, 7 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 3 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.4s, 85 PlacesBefore, 18 PlacesAfterwards, 85 TransitionsBefore, 12 TransitionsAfterwards, 1612 CoEnabledTransitionPairs, 6 FixpointIterations, 32 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 14 ConcurrentYvCompositions, 6 ChoiceCompositions, 94 TotalNumberOfCompositions, 1592 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1914 VarBasedMoverChecksPositive, 30 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 66 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.9s, 119 PlacesBefore, 35 PlacesAfterwards, 119 TransitionsBefore, 27 TransitionsAfterwards, 3404 CoEnabledTransitionPairs, 6 FixpointIterations, 45 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 15 ConcurrentYvCompositions, 8 ChoiceCompositions, 123 TotalNumberOfCompositions, 4884 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3406 VarBasedMoverChecksPositive, 39 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 117 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.1s, 153 PlacesBefore, 49 PlacesAfterwards, 153 TransitionsBefore, 38 TransitionsAfterwards, 5880 CoEnabledTransitionPairs, 6 FixpointIterations, 64 TrivialSequentialCompositions, 65 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 20 ConcurrentYvCompositions, 11 ChoiceCompositions, 168 TotalNumberOfCompositions, 10116 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 5056 VarBasedMoverChecksPositive, 49 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 171 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.6s, 187 PlacesBefore, 61 PlacesAfterwards, 187 TransitionsBefore, 47 TransitionsAfterwards, 9040 CoEnabledTransitionPairs, 7 FixpointIterations, 76 TrivialSequentialCompositions, 74 ConcurrentSequentialCompositions, 11 TrivialYvCompositions, 24 ConcurrentYvCompositions, 14 ChoiceCompositions, 199 TotalNumberOfCompositions, 17332 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 7184 VarBasedMoverChecksPositive, 74 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 294 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 6.4s, 221 PlacesBefore, 75 PlacesAfterwards, 221 TransitionsBefore, 58 TransitionsAfterwards, 12884 CoEnabledTransitionPairs, 7 FixpointIterations, 92 TrivialSequentialCompositions, 91 ConcurrentSequentialCompositions, 19 TrivialYvCompositions, 17 ConcurrentYvCompositions, 17 ChoiceCompositions, 236 TotalNumberOfCompositions, 24676 MoverChecksTotal - TimeoutResultAtElement [Line: 683]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 683). Cancelled while BasicCegarLoop was analyzing trace of length 19 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 7 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 79 locations, 1 error locations. Started 5 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 189.4s, OverallIterations: 30, TraceHistogramMax: 5, AutomataDifference: 56.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 55.2s, HoareTripleCheckerStatistics: 938 SDtfs, 3124 SDslu, 1826 SDs, 0 SdLazy, 2564 SolverSat, 173 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 323 GetRequests, 152 SyntacticMatches, 4 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=196959occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 70.4s AutomataMinimizationTime, 25 MinimizatonAttempts, 394711 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 453 NumberOfCodeBlocks, 453 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 363 ConstructedInterpolants, 0 QuantifiedInterpolants, 36485 SizeOfPredicates, 12 NumberOfNonLiveVariables, 477 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 28 InterpolantComputations, 22 PerfectInterpolantSequences, 54/78 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown