/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_23-sound_unlock_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 17:30:19,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 17:30:19,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 17:30:19,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 17:30:19,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 17:30:19,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 17:30:19,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 17:30:19,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 17:30:19,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 17:30:19,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 17:30:19,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 17:30:19,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 17:30:19,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 17:30:19,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 17:30:19,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 17:30:19,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 17:30:19,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 17:30:19,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 17:30:19,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 17:30:19,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 17:30:19,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 17:30:19,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 17:30:19,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 17:30:19,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 17:30:19,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-09 17:30:19,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 17:30:19,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 17:30:19,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 17:30:19,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 17:30:19,418 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 17:30:19,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 17:30:19,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 17:30:19,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 17:30:19,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 17:30:19,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 17:30:19,424 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 17:30:19,425 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 [2020-11-09 17:30:19,484 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 17:30:19,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 17:30:19,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 17:30:19,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 17:30:19,489 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 17:30:19,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 17:30:19,489 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 17:30:19,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 17:30:19,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 17:30:19,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 17:30:19,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 17:30:19,491 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 17:30:19,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 17:30:19,491 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 17:30:19,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 17:30:19,492 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 17:30:19,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 17:30:19,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 17:30:19,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 17:30:19,493 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 17:30:19,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 17:30:19,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 17:30:19,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 17:30:19,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-11-09 17:30:19,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 17:30:19,495 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 17:30:19,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 17:30:19,495 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-11-09 17:30:19,495 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-11-09 17:30:19,495 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 17:30:19,496 INFO L138 SettingsManager]: * Interpolant automaton=MCR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 17:30:19,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 17:30:19,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 17:30:19,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 17:30:19,970 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 17:30:19,971 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 17:30:19,972 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_23-sound_unlock_racing.i [2020-11-09 17:30:20,072 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/109083bc6/1829994465564c6f89d4cda0beffcaad/FLAGa09c56ea0 [2020-11-09 17:30:20,774 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 17:30:20,774 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_23-sound_unlock_racing.i [2020-11-09 17:30:20,790 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/109083bc6/1829994465564c6f89d4cda0beffcaad/FLAGa09c56ea0 [2020-11-09 17:30:21,054 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/109083bc6/1829994465564c6f89d4cda0beffcaad [2020-11-09 17:30:21,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 17:30:21,065 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 17:30:21,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 17:30:21,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 17:30:21,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 17:30:21,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:30:21" (1/1) ... [2020-11-09 17:30:21,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c27fddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:21, skipping insertion in model container [2020-11-09 17:30:21,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:30:21" (1/1) ... [2020-11-09 17:30:21,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 17:30:21,166 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 17:30:21,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 17:30:21,635 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 17:30:21,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 17:30:21,843 INFO L208 MainTranslator]: Completed translation [2020-11-09 17:30:21,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:21 WrapperNode [2020-11-09 17:30:21,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 17:30:21,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 17:30:21,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 17:30:21,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 17:30:21,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:21" (1/1) ... [2020-11-09 17:30:21,872 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:21" (1/1) ... [2020-11-09 17:30:21,897 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 17:30:21,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 17:30:21,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 17:30:21,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 17:30:21,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:21" (1/1) ... [2020-11-09 17:30:21,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:21" (1/1) ... [2020-11-09 17:30:21,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:21" (1/1) ... [2020-11-09 17:30:21,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:21" (1/1) ... [2020-11-09 17:30:21,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:21" (1/1) ... [2020-11-09 17:30:21,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:21" (1/1) ... [2020-11-09 17:30:21,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:21" (1/1) ... [2020-11-09 17:30:21,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 17:30:21,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 17:30:21,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 17:30:21,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 17:30:21,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:21" (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 [2020-11-09 17:30:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-09 17:30:22,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 17:30:22,014 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-11-09 17:30:22,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 17:30:22,014 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-11-09 17:30:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-11-09 17:30:22,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 17:30:22,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 17:30:22,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 17:30:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 17:30:22,017 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-09 17:30:22,559 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 17:30:22,560 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-11-09 17:30:22,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:30:22 BoogieIcfgContainer [2020-11-09 17:30:22,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 17:30:22,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 17:30:22,564 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 17:30:22,568 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 17:30:22,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:30:21" (1/3) ... [2020-11-09 17:30:22,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@739e024b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:30:22, skipping insertion in model container [2020-11-09 17:30:22,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:30:21" (2/3) ... [2020-11-09 17:30:22,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@739e024b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:30:22, skipping insertion in model container [2020-11-09 17:30:22,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:30:22" (3/3) ... [2020-11-09 17:30:22,571 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_23-sound_unlock_racing.i [2020-11-09 17:30:22,588 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 17:30:22,588 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-09 17:30:22,593 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-09 17:30:22,594 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 17:30:22,628 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,628 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,628 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,629 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,629 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,629 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,630 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,630 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,630 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,630 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,631 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,631 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,631 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,632 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,632 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,632 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,632 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,633 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,633 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,633 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,634 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,634 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,634 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,634 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,635 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,635 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,635 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,635 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,636 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,636 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,636 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,636 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,637 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,637 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,637 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,638 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,640 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,641 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,641 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,641 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,641 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,642 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,642 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,642 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,642 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:22,654 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-11-09 17:30:22,668 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-09 17:30:22,696 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 17:30:22,696 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 17:30:22,696 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 17:30:22,696 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 17:30:22,696 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 17:30:22,697 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 17:30:22,697 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 17:30:22,697 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 17:30:22,713 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 17:30:22,714 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 112 transitions, 232 flow [2020-11-09 17:30:22,717 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 112 transitions, 232 flow [2020-11-09 17:30:22,720 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 112 transitions, 232 flow [2020-11-09 17:30:22,809 INFO L129 PetriNetUnfolder]: 20/148 cut-off events. [2020-11-09 17:30:22,809 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-11-09 17:30:22,819 INFO L84 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 148 events. 20/148 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 352 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 73. Up to 4 conditions per place. [2020-11-09 17:30:22,826 INFO L116 LiptonReduction]: Number of co-enabled transitions 2296 [2020-11-09 17:30:26,213 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-11-09 17:30:26,461 WARN L194 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-11-09 17:30:27,599 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-11-09 17:30:27,826 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-11-09 17:30:27,947 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-11-09 17:30:28,212 WARN L194 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-11-09 17:30:28,452 WARN L194 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-11-09 17:30:28,701 WARN L194 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-11-09 17:30:28,943 WARN L194 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-11-09 17:30:29,806 WARN L194 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 150 [2020-11-09 17:30:30,393 WARN L194 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-11-09 17:30:31,569 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 162 DAG size of output: 156 [2020-11-09 17:30:32,069 WARN L194 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-11-09 17:30:32,078 INFO L131 LiptonReduction]: Checked pairs total: 4042 [2020-11-09 17:30:32,078 INFO L133 LiptonReduction]: Total number of compositions: 99 [2020-11-09 17:30:32,084 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 33 transitions, 74 flow [2020-11-09 17:30:32,098 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 143 states. [2020-11-09 17:30:32,100 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2020-11-09 17:30:32,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-09 17:30:32,106 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:30:32,107 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-09 17:30:32,107 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:30:32,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:30:32,114 INFO L82 PathProgramCache]: Analyzing trace with hash 421274225, now seen corresponding path program 1 times [2020-11-09 17:30:32,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:30:32,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687952594] [2020-11-09 17:30:32,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:30:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:30:32,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:30:32,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687952594] [2020-11-09 17:30:32,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:30:32,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 17:30:32,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1536073023] [2020-11-09 17:30:32,462 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:30:32,465 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:30:32,477 INFO L252 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-11-09 17:30:32,477 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:30:32,482 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:30:32,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 17:30:32,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:30:32,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 17:30:32,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 17:30:32,501 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 3 states. [2020-11-09 17:30:32,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:30:32,531 INFO L93 Difference]: Finished difference Result 141 states and 244 transitions. [2020-11-09 17:30:32,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 17:30:32,533 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-09 17:30:32,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:30:32,543 INFO L225 Difference]: With dead ends: 141 [2020-11-09 17:30:32,543 INFO L226 Difference]: Without dead ends: 79 [2020-11-09 17:30:32,544 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 [2020-11-09 17:30:32,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-11-09 17:30:32,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2020-11-09 17:30:32,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-11-09 17:30:32,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 137 transitions. [2020-11-09 17:30:32,590 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 137 transitions. Word has length 5 [2020-11-09 17:30:32,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:30:32,591 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 137 transitions. [2020-11-09 17:30:32,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 17:30:32,591 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 137 transitions. [2020-11-09 17:30:32,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-09 17:30:32,592 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:30:32,592 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-11-09 17:30:32,592 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 17:30:32,592 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:30:32,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:30:32,593 INFO L82 PathProgramCache]: Analyzing trace with hash 140001942, now seen corresponding path program 1 times [2020-11-09 17:30:32,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:30:32,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997744373] [2020-11-09 17:30:32,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:30:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 17:30:32,640 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 17:30:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 17:30:32,678 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 17:30:32,728 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 17:30:32,728 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 17:30:32,730 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 17:30:32,730 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 17:30:32,730 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-11-09 17:30:32,754 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,754 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,754 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,754 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,755 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,755 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,755 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,755 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,755 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,755 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,756 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,756 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,756 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,756 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,757 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,757 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,757 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,757 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,757 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,757 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,758 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,758 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,758 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,758 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,758 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,758 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,759 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,759 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,759 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,759 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,759 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,762 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,763 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,763 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,763 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,763 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,765 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,765 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,765 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,766 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,766 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,766 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,766 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,766 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,766 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,767 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,767 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,767 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,767 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,767 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,768 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,768 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,769 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,769 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,769 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,769 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,770 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,770 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,770 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,770 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,770 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,770 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,771 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,771 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,771 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,771 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,771 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,772 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,772 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,772 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,773 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,773 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,773 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,773 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,774 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,774 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,774 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,774 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,774 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,775 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,775 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,781 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,781 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,781 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,782 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,782 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,782 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,782 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,782 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,783 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:32,791 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2020-11-09 17:30:32,792 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-09 17:30:32,794 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 17:30:32,794 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 17:30:32,797 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 17:30:32,797 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 17:30:32,797 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 17:30:32,797 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 17:30:32,797 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 17:30:32,797 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 17:30:32,803 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 17:30:32,803 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 142 transitions, 302 flow [2020-11-09 17:30:32,803 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 142 transitions, 302 flow [2020-11-09 17:30:32,804 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 142 transitions, 302 flow [2020-11-09 17:30:32,875 INFO L129 PetriNetUnfolder]: 35/237 cut-off events. [2020-11-09 17:30:32,875 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-11-09 17:30:32,878 INFO L84 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 237 events. 35/237 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 720 event pairs, 0 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 150. Up to 8 conditions per place. [2020-11-09 17:30:32,888 INFO L116 LiptonReduction]: Number of co-enabled transitions 6776 [2020-11-09 17:30:36,054 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-11-09 17:30:36,269 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2020-11-09 17:30:37,040 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-11-09 17:30:37,188 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-11-09 17:30:37,328 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-11-09 17:30:37,467 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-11-09 17:30:37,670 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-11-09 17:30:37,775 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-11-09 17:30:37,884 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-11-09 17:30:38,616 WARN L194 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2020-11-09 17:30:38,964 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-11-09 17:30:39,694 WARN L194 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2020-11-09 17:30:40,059 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-11-09 17:30:40,604 WARN L194 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 130 [2020-11-09 17:30:40,861 WARN L194 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-11-09 17:30:41,407 WARN L194 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 130 [2020-11-09 17:30:41,722 WARN L194 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-11-09 17:30:42,541 WARN L194 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 147 [2020-11-09 17:30:42,897 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-11-09 17:30:43,701 WARN L194 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 147 [2020-11-09 17:30:44,069 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-11-09 17:30:44,107 INFO L131 LiptonReduction]: Checked pairs total: 18174 [2020-11-09 17:30:44,107 INFO L133 LiptonReduction]: Total number of compositions: 112 [2020-11-09 17:30:44,108 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46 places, 58 transitions, 134 flow [2020-11-09 17:30:44,268 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2427 states. [2020-11-09 17:30:44,269 INFO L276 IsEmpty]: Start isEmpty. Operand 2427 states. [2020-11-09 17:30:44,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-09 17:30:44,270 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:30:44,270 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-09 17:30:44,270 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:30:44,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:30:44,272 INFO L82 PathProgramCache]: Analyzing trace with hash 692086665, now seen corresponding path program 1 times [2020-11-09 17:30:44,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:30:44,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107684997] [2020-11-09 17:30:44,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:30:44,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:30:44,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:30:44,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107684997] [2020-11-09 17:30:44,361 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:30:44,361 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 17:30:44,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [766461532] [2020-11-09 17:30:44,361 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:30:44,362 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:30:44,363 INFO L252 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-11-09 17:30:44,363 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:30:44,364 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:30:44,364 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 17:30:44,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:30:44,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 17:30:44,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 17:30:44,365 INFO L87 Difference]: Start difference. First operand 2427 states. Second operand 3 states. [2020-11-09 17:30:44,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:30:44,451 INFO L93 Difference]: Finished difference Result 2383 states and 6343 transitions. [2020-11-09 17:30:44,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 17:30:44,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-09 17:30:44,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:30:44,468 INFO L225 Difference]: With dead ends: 2383 [2020-11-09 17:30:44,469 INFO L226 Difference]: Without dead ends: 1365 [2020-11-09 17:30:44,469 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 [2020-11-09 17:30:44,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2020-11-09 17:30:44,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 1365. [2020-11-09 17:30:44,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1365 states. [2020-11-09 17:30:44,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 1365 states and 3630 transitions. [2020-11-09 17:30:44,576 INFO L78 Accepts]: Start accepts. Automaton has 1365 states and 3630 transitions. Word has length 5 [2020-11-09 17:30:44,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:30:44,577 INFO L481 AbstractCegarLoop]: Abstraction has 1365 states and 3630 transitions. [2020-11-09 17:30:44,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 17:30:44,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 3630 transitions. [2020-11-09 17:30:44,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-09 17:30:44,578 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:30:44,578 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2020-11-09 17:30:44,579 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 17:30:44,579 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:30:44,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:30:44,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1107056063, now seen corresponding path program 1 times [2020-11-09 17:30:44,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:30:44,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401884111] [2020-11-09 17:30:44,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:30:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 17:30:44,615 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 17:30:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 17:30:44,638 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 17:30:44,646 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 17:30:44,646 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 17:30:44,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-09 17:30:44,647 WARN L386 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 17:30:44,648 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-11-09 17:30:44,657 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,657 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,657 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,657 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,658 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,658 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,658 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,658 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,658 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,658 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,658 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,659 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,659 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,659 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,659 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,659 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,660 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,660 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,660 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,660 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,660 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,660 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,661 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,661 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,661 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,661 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,661 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,661 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,662 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,662 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,662 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,662 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,662 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,662 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,663 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,663 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,663 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,663 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,664 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,664 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,664 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,664 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,664 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,664 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,664 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,665 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,665 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,665 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,665 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,665 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,666 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,666 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,666 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,667 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,667 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,667 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,667 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,668 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,668 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,668 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,668 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,668 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,669 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,669 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,669 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,669 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,669 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,669 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,670 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,670 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,670 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,670 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,670 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,671 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,671 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,671 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,677 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,677 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,677 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,678 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,678 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,678 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,678 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,678 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,678 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,679 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,679 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,679 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,679 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,679 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,680 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,680 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,680 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,680 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,680 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,680 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,680 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,680 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,681 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,681 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,681 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,681 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,681 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,681 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,682 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,682 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,684 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,684 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,685 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,685 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,685 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,685 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,685 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,686 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,686 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,686 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,686 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,688 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,689 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,689 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,689 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,689 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,689 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,689 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,690 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,690 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,691 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,692 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,692 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,692 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,692 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,692 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,692 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,693 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,693 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:30:44,698 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2020-11-09 17:30:44,699 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-09 17:30:44,700 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 17:30:44,700 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 17:30:44,700 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 17:30:44,700 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 17:30:44,702 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 17:30:44,702 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 17:30:44,702 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 17:30:44,703 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 17:30:44,707 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 17:30:44,708 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 151 places, 172 transitions, 374 flow [2020-11-09 17:30:44,708 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 151 places, 172 transitions, 374 flow [2020-11-09 17:30:44,708 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 151 places, 172 transitions, 374 flow [2020-11-09 17:30:44,785 INFO L129 PetriNetUnfolder]: 55/357 cut-off events. [2020-11-09 17:30:44,785 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2020-11-09 17:30:44,790 INFO L84 FinitePrefix]: Finished finitePrefix Result has 385 conditions, 357 events. 55/357 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1273 event pairs, 1 based on Foata normal form. 0/294 useless extension candidates. Maximal degree in co-relation 245. Up to 16 conditions per place. [2020-11-09 17:30:44,810 INFO L116 LiptonReduction]: Number of co-enabled transitions 12768 [2020-11-09 17:30:48,486 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-11-09 17:30:48,714 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2020-11-09 17:30:49,238 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-11-09 17:30:49,369 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-11-09 17:30:49,504 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-11-09 17:30:49,631 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-11-09 17:30:49,832 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-09 17:30:50,182 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-11-09 17:30:50,325 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-11-09 17:30:50,477 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-11-09 17:30:50,620 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-11-09 17:30:51,398 WARN L194 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2020-11-09 17:30:51,730 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-11-09 17:30:52,495 WARN L194 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 139 [2020-11-09 17:30:52,928 WARN L194 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-11-09 17:30:53,788 WARN L194 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 145 [2020-11-09 17:30:54,174 WARN L194 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-11-09 17:30:55,004 WARN L194 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 145 [2020-11-09 17:30:55,383 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-11-09 17:30:55,425 INFO L131 LiptonReduction]: Checked pairs total: 37256 [2020-11-09 17:30:55,425 INFO L133 LiptonReduction]: Total number of compositions: 128 [2020-11-09 17:30:55,426 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59 places, 75 transitions, 180 flow [2020-11-09 17:30:58,753 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 28106 states. [2020-11-09 17:30:58,753 INFO L276 IsEmpty]: Start isEmpty. Operand 28106 states. [2020-11-09 17:30:58,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-09 17:30:58,754 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:30:58,754 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-09 17:30:58,754 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:30:58,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:30:58,755 INFO L82 PathProgramCache]: Analyzing trace with hash 1006941500, now seen corresponding path program 1 times [2020-11-09 17:30:58,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:30:58,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541049581] [2020-11-09 17:30:58,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:30:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:30:58,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:30:58,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541049581] [2020-11-09 17:30:58,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 17:30:58,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 17:30:58,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [36567581] [2020-11-09 17:30:58,816 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:30:58,817 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:30:58,817 INFO L252 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2020-11-09 17:30:58,817 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:30:58,818 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:30:58,818 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 17:30:58,818 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:30:58,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 17:30:58,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 17:30:58,819 INFO L87 Difference]: Start difference. First operand 28106 states. Second operand 3 states. [2020-11-09 17:30:59,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:30:59,471 INFO L93 Difference]: Finished difference Result 28043 states and 99617 transitions. [2020-11-09 17:30:59,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 17:30:59,472 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-09 17:30:59,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:30:59,956 INFO L225 Difference]: With dead ends: 28043 [2020-11-09 17:30:59,956 INFO L226 Difference]: Without dead ends: 16648 [2020-11-09 17:30:59,957 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 [2020-11-09 17:31:00,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16648 states. [2020-11-09 17:31:00,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16648 to 16648. [2020-11-09 17:31:00,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16648 states. [2020-11-09 17:31:01,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16648 states to 16648 states and 59458 transitions. [2020-11-09 17:31:01,061 INFO L78 Accepts]: Start accepts. Automaton has 16648 states and 59458 transitions. Word has length 5 [2020-11-09 17:31:01,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:31:01,062 INFO L481 AbstractCegarLoop]: Abstraction has 16648 states and 59458 transitions. [2020-11-09 17:31:01,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 17:31:01,062 INFO L276 IsEmpty]: Start isEmpty. Operand 16648 states and 59458 transitions. [2020-11-09 17:31:01,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-09 17:31:01,064 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:31:01,064 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 17:31:01,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-09 17:31:01,065 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:31:01,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:31:01,065 INFO L82 PathProgramCache]: Analyzing trace with hash -435052891, now seen corresponding path program 1 times [2020-11-09 17:31:01,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:31:01,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988365722] [2020-11-09 17:31:01,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:31:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:31:01,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:31:01,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988365722] [2020-11-09 17:31:01,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148001737] [2020-11-09 17:31:01,163 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 [2020-11-09 17:31:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 17:31:01,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-09 17:31:01,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 17:31:01,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 17:31:01,740 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 17:31:01,740 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2020-11-09 17:31:01,740 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1664629926] [2020-11-09 17:31:01,740 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-11-09 17:31:01,747 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-11-09 17:31:01,754 INFO L252 McrAutomatonBuilder]: Finished intersection with 31 states and 46 transitions. [2020-11-09 17:31:01,754 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-11-09 17:31:01,842 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-11-09 17:31:01,842 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-09 17:31:01,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 17:31:01,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-09 17:31:01,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-09 17:31:01,844 INFO L87 Difference]: Start difference. First operand 16648 states and 59458 transitions. Second operand 4 states. [2020-11-09 17:31:02,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 17:31:02,393 INFO L93 Difference]: Finished difference Result 16605 states and 59376 transitions. [2020-11-09 17:31:02,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-09 17:31:02,394 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-11-09 17:31:02,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 17:31:02,515 INFO L225 Difference]: With dead ends: 16605 [2020-11-09 17:31:02,516 INFO L226 Difference]: Without dead ends: 16605 [2020-11-09 17:31:02,516 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 7 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-09 17:31:03,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16605 states. [2020-11-09 17:31:03,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16605 to 16605. [2020-11-09 17:31:03,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16605 states. [2020-11-09 17:31:03,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16605 states to 16605 states and 59376 transitions. [2020-11-09 17:31:03,649 INFO L78 Accepts]: Start accepts. Automaton has 16605 states and 59376 transitions. Word has length 14 [2020-11-09 17:31:03,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 17:31:03,650 INFO L481 AbstractCegarLoop]: Abstraction has 16605 states and 59376 transitions. [2020-11-09 17:31:03,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-09 17:31:03,650 INFO L276 IsEmpty]: Start isEmpty. Operand 16605 states and 59376 transitions. [2020-11-09 17:31:03,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 17:31:03,653 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 17:31:03,654 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2020-11-09 17:31:03,868 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-11-09 17:31:03,869 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 17:31:03,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 17:31:03,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1610880725, now seen corresponding path program 1 times [2020-11-09 17:31:03,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 17:31:03,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848542902] [2020-11-09 17:31:03,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 17:31:03,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 17:31:03,908 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 17:31:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 17:31:03,929 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 17:31:03,937 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 17:31:03,938 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 17:31:03,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-09 17:31:03,938 WARN L386 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 17:31:03,939 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-11-09 17:31:03,952 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,952 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,952 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,952 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,953 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,953 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,953 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,953 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,953 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,953 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,953 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,954 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,954 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,954 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,954 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,954 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,955 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,955 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,955 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,955 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,955 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,955 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,956 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,956 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,956 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,956 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,956 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,956 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,957 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,957 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,957 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,957 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,957 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,957 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,958 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,958 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,958 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,958 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,959 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,959 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,959 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,959 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,959 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,959 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,959 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,960 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,960 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,960 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,960 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,960 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,961 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,961 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,961 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,961 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,961 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,961 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,962 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,962 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,962 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,962 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,962 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,962 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,963 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,963 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,963 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,963 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,963 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,963 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,964 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,964 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,964 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,964 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,964 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,965 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,965 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,965 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,965 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,965 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,965 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,965 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,966 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,966 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,966 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,966 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,966 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,966 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,967 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,967 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,967 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,967 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,967 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,967 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,968 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,968 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,968 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,968 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,968 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,968 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,969 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,969 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,969 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,969 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,969 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,969 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,969 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,970 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,970 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,970 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,970 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,970 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,970 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,971 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,971 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,971 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,971 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,971 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,971 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,971 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,972 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,972 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,972 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,972 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,972 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,972 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,973 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,973 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,973 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,973 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,973 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,973 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,974 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,974 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,974 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,974 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,974 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,974 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,974 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,975 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,975 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,975 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,975 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,975 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,975 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,976 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,976 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,976 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,976 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,977 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,977 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,977 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,977 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,977 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,977 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,979 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,980 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,980 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,980 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,980 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,980 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,981 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,981 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,981 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,983 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,984 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,984 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,984 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,984 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,984 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,985 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,985 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,985 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,987 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,988 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,988 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,988 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,988 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,988 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,989 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,989 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,989 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 17:31:03,994 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-11-09 17:31:03,994 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-09 17:31:03,996 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 17:31:03,996 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 17:31:03,996 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-09 17:31:03,996 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-11-09 17:31:03,996 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 17:31:03,996 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 17:31:03,997 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 17:31:03,997 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 17:31:03,999 INFO L128 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-11-09 17:31:03,999 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 176 places, 202 transitions, 448 flow [2020-11-09 17:31:03,999 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 176 places, 202 transitions, 448 flow [2020-11-09 17:31:03,999 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 176 places, 202 transitions, 448 flow [2020-11-09 17:31:04,123 INFO L129 PetriNetUnfolder]: 87/541 cut-off events. [2020-11-09 17:31:04,124 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2020-11-09 17:31:04,132 INFO L84 FinitePrefix]: Finished finitePrefix Result has 596 conditions, 541 events. 87/541 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2166 event pairs, 6 based on Foata normal form. 0/449 useless extension candidates. Maximal degree in co-relation 377. Up to 32 conditions per place. [2020-11-09 17:31:04,168 INFO L116 LiptonReduction]: Number of co-enabled transitions 20496 [2020-11-09 17:31:04,559 WARN L194 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2020-11-09 17:31:08,668 WARN L194 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-11-09 17:31:08,919 WARN L194 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-11-09 17:31:09,138 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-11-09 17:31:09,336 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-11-09 17:31:10,043 WARN L194 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 128 [2020-11-09 17:31:10,328 WARN L194 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-11-09 17:31:10,935 WARN L194 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 128 [2020-11-09 17:31:11,244 WARN L194 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-11-09 17:31:12,430 WARN L194 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 152 DAG size of output: 150 [2020-11-09 17:31:12,947 WARN L194 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-11-09 17:31:14,051 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 156 DAG size of output: 154 [2020-11-09 17:31:14,598 WARN L194 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-11-09 17:31:14,616 INFO L131 LiptonReduction]: Checked pairs total: 62539 [2020-11-09 17:31:14,616 INFO L133 LiptonReduction]: Total number of compositions: 137 [2020-11-09 17:31:14,617 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 74 places, 96 transitions, 236 flow Received shutdown request... [2020-11-09 17:34:41,749 WARN L546 AbstractCegarLoop]: Verification canceled [2020-11-09 17:34:41,755 WARN L250 ceAbstractionStarter]: Timeout [2020-11-09 17:34:41,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:34:41 BasicIcfg [2020-11-09 17:34:41,756 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 17:34:41,758 INFO L168 Benchmark]: Toolchain (without parser) took 260697.90 ms. Allocated memory was 151.0 MB in the beginning and 3.0 GB in the end (delta: 2.9 GB). Free memory was 124.7 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.2 GB. Max. memory is 8.0 GB. [2020-11-09 17:34:41,762 INFO L168 Benchmark]: CDTParser took 0.80 ms. Allocated memory is still 151.0 MB. Free memory is still 121.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 17:34:41,765 INFO L168 Benchmark]: CACSL2BoogieTranslator took 776.73 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 124.5 MB in the end (delta: -476.9 kB). Peak memory consumption was 27.0 MB. Max. memory is 8.0 GB. [2020-11-09 17:34:41,766 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.72 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 122.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 17:34:41,767 INFO L168 Benchmark]: Boogie Preprocessor took 33.23 ms. Allocated memory is still 151.0 MB. Free memory was 122.5 MB in the beginning and 120.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-09 17:34:41,768 INFO L168 Benchmark]: RCFGBuilder took 630.27 ms. Allocated memory is still 151.0 MB. Free memory was 120.9 MB in the beginning and 94.2 MB in the end (delta: 26.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2020-11-09 17:34:41,770 INFO L168 Benchmark]: TraceAbstraction took 259191.93 ms. Allocated memory was 151.0 MB in the beginning and 3.0 GB in the end (delta: 2.9 GB). Free memory was 93.7 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.2 GB. Max. memory is 8.0 GB. [2020-11-09 17:34:41,775 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80 ms. Allocated memory is still 151.0 MB. Free memory is still 121.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 776.73 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 124.5 MB in the end (delta: -476.9 kB). Peak memory consumption was 27.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 52.72 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 122.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 33.23 ms. Allocated memory is still 151.0 MB. Free memory was 122.5 MB in the beginning and 120.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 630.27 ms. Allocated memory is still 151.0 MB. Free memory was 120.9 MB in the beginning and 94.2 MB in the end (delta: 26.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 259191.93 ms. Allocated memory was 151.0 MB in the beginning and 3.0 GB in the end (delta: 2.9 GB). Free memory was 93.7 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 2.2 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1154 VarBasedMoverChecksPositive, 38 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 88 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 9.3s, 101 PlacesBefore, 27 PlacesAfterwards, 112 TransitionsBefore, 33 TransitionsAfterwards, 2296 CoEnabledTransitionPairs, 6 FixpointIterations, 38 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 16 ConcurrentYvCompositions, 5 ChoiceCompositions, 99 TotalNumberOfCompositions, 4042 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3215 VarBasedMoverChecksPositive, 48 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 296 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 11.3s, 126 PlacesBefore, 46 PlacesAfterwards, 142 TransitionsBefore, 58 TransitionsAfterwards, 6776 CoEnabledTransitionPairs, 7 FixpointIterations, 40 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 21 ConcurrentYvCompositions, 4 ChoiceCompositions, 112 TotalNumberOfCompositions, 18174 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 5858 VarBasedMoverChecksPositive, 66 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 468 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 10.7s, 151 PlacesBefore, 59 PlacesAfterwards, 172 TransitionsBefore, 75 TransitionsAfterwards, 12768 CoEnabledTransitionPairs, 7 FixpointIterations, 39 TrivialSequentialCompositions, 59 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 23 ConcurrentYvCompositions, 5 ChoiceCompositions, 128 TotalNumberOfCompositions, 37256 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 8982 VarBasedMoverChecksPositive, 85 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 698 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 10.6s, 176 PlacesBefore, 74 PlacesAfterwards, 202 TransitionsBefore, 96 TransitionsAfterwards, 20496 CoEnabledTransitionPairs, 7 FixpointIterations, 34 TrivialSequentialCompositions, 69 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 26 ConcurrentYvCompositions, 4 ChoiceCompositions, 137 TotalNumberOfCompositions, 62539 MoverChecksTotal - TimeoutResultAtElement [Line: 683]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 683). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 74 places, 96 transitions, 236 flow. Already constructed 295477 states. Currently 29234 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 98 locations, 1 error locations. Started 4 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 258.8s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 252.6s, HoareTripleCheckerStatistics: 157 SDtfs, 90 SDslu, 148 SDs, 0 SdLazy, 45 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 7 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28106occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 1002 SizeOfPredicates, 23 NumberOfNonLiveVariables, 46 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 0/2 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