/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_24-sound_lock_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 00:59:31,357 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 00:59:31,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 00:59:31,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 00:59:31,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 00:59:31,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 00:59:31,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 00:59:31,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 00:59:31,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 00:59:31,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 00:59:31,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 00:59:31,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 00:59:31,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 00:59:31,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 00:59:31,430 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 00:59:31,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 00:59:31,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 00:59:31,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 00:59:31,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 00:59:31,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 00:59:31,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 00:59:31,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 00:59:31,447 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 00:59:31,448 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 00:59:31,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-22 00:59:31,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 00:59:31,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 00:59:31,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 00:59:31,476 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-WP.epf [2020-10-22 00:59:31,515 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 00:59:31,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 00:59:31,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 00:59:31,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 00:59:31,517 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 00:59:31,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 00:59:31,518 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 00:59:31,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 00:59:31,518 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 00:59:31,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 00:59:31,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 00:59:31,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 00:59:31,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 00:59:31,520 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 00:59:31,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 00:59:31,521 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 00:59:31,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 00:59:31,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 00:59:31,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 00:59:31,521 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 00:59:31,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 00:59:31,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 00:59:31,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 00:59:31,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 00:59:31,522 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 00:59:31,522 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 00:59:31,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 00:59:31,523 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 00:59:31,523 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 00:59:31,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 00:59:31,524 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 00:59:31,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 00:59:31,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 00:59:31,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 00:59:31,833 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 00:59:31,834 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 00:59:31,834 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_24-sound_lock_racing.i [2020-10-22 00:59:31,897 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b2ccb20d/3eee85f18e2e4410bf280cb9a08b2930/FLAGd83c24d93 [2020-10-22 00:59:32,468 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 00:59:32,468 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_24-sound_lock_racing.i [2020-10-22 00:59:32,486 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b2ccb20d/3eee85f18e2e4410bf280cb9a08b2930/FLAGd83c24d93 [2020-10-22 00:59:32,680 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b2ccb20d/3eee85f18e2e4410bf280cb9a08b2930 [2020-10-22 00:59:32,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 00:59:32,695 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 00:59:32,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 00:59:32,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 00:59:32,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 00:59:32,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:59:32" (1/1) ... [2020-10-22 00:59:32,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7614e07d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:59:32, skipping insertion in model container [2020-10-22 00:59:32,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:59:32" (1/1) ... [2020-10-22 00:59:32,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 00:59:32,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 00:59:33,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 00:59:33,373 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 00:59:33,416 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 00:59:33,492 INFO L208 MainTranslator]: Completed translation [2020-10-22 00:59:33,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:59:33 WrapperNode [2020-10-22 00:59:33,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 00:59:33,494 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 00:59:33,494 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 00:59:33,494 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 00:59:33,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:59:33" (1/1) ... [2020-10-22 00:59:33,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:59:33" (1/1) ... [2020-10-22 00:59:33,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 00:59:33,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 00:59:33,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 00:59:33,548 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 00:59:33,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:59:33" (1/1) ... [2020-10-22 00:59:33,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:59:33" (1/1) ... [2020-10-22 00:59:33,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:59:33" (1/1) ... [2020-10-22 00:59:33,562 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:59:33" (1/1) ... [2020-10-22 00:59:33,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:59:33" (1/1) ... [2020-10-22 00:59:33,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:59:33" (1/1) ... [2020-10-22 00:59:33,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:59:33" (1/1) ... [2020-10-22 00:59:33,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 00:59:33,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 00:59:33,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 00:59:33,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 00:59:33,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:59:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 00:59:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-22 00:59:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 00:59:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-22 00:59:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 00:59:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-10-22 00:59:33,662 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-10-22 00:59:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 00:59:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 00:59:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 00:59:33,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 00:59:33,664 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 00:59:34,152 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 00:59:34,152 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-10-22 00:59:34,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:59:34 BoogieIcfgContainer [2020-10-22 00:59:34,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 00:59:34,157 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 00:59:34,157 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 00:59:34,160 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 00:59:34,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 12:59:32" (1/3) ... [2020-10-22 00:59:34,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c49f5b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:59:34, skipping insertion in model container [2020-10-22 00:59:34,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:59:33" (2/3) ... [2020-10-22 00:59:34,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c49f5b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:59:34, skipping insertion in model container [2020-10-22 00:59:34,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:59:34" (3/3) ... [2020-10-22 00:59:34,164 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_24-sound_lock_racing.i [2020-10-22 00:59:34,176 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 00:59:34,176 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 00:59:34,183 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-22 00:59:34,184 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 00:59:34,211 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:34,211 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:34,212 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:34,212 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:34,213 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:34,213 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:34,213 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:34,214 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:34,214 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:34,214 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:34,214 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:34,215 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:34,215 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:34,215 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:34,215 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:34,216 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:34,216 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:34,216 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:34,220 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:34,221 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:34,221 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:34,221 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:34,221 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:34,222 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:34,222 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:34,222 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:34,222 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:34,233 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-10-22 00:59:34,246 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-10-22 00:59:34,266 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 00:59:34,266 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 00:59:34,266 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 00:59:34,266 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 00:59:34,266 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 00:59:34,266 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 00:59:34,266 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 00:59:34,267 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 00:59:34,280 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 00:59:34,281 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 100 places, 111 transitions, 230 flow [2020-10-22 00:59:34,283 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 100 places, 111 transitions, 230 flow [2020-10-22 00:59:34,285 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 100 places, 111 transitions, 230 flow [2020-10-22 00:59:34,353 INFO L129 PetriNetUnfolder]: 20/146 cut-off events. [2020-10-22 00:59:34,354 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-22 00:59:34,361 INFO L80 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 146 events. 20/146 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 357 event pairs, 0 based on Foata normal form. 0/121 useless extension candidates. Maximal degree in co-relation 72. Up to 4 conditions per place. [2020-10-22 00:59:34,366 INFO L116 LiptonReduction]: Number of co-enabled transitions 2240 [2020-10-22 00:59:36,093 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2020-10-22 00:59:36,672 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-22 00:59:36,838 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-22 00:59:37,732 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 150 [2020-10-22 00:59:38,087 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-10-22 00:59:38,098 INFO L131 LiptonReduction]: Checked pairs total: 4621 [2020-10-22 00:59:38,099 INFO L133 LiptonReduction]: Total number of compositions: 97 [2020-10-22 00:59:38,105 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 35 transitions, 78 flow [2020-10-22 00:59:38,121 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 143 states. [2020-10-22 00:59:38,124 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2020-10-22 00:59:38,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-22 00:59:38,130 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:59:38,131 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-22 00:59:38,132 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:59:38,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:59:38,137 INFO L82 PathProgramCache]: Analyzing trace with hash 13472221, now seen corresponding path program 1 times [2020-10-22 00:59:38,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:59:38,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540104318] [2020-10-22 00:59:38,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:59:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:59:38,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:59:38,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540104318] [2020-10-22 00:59:38,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:59:38,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 00:59:38,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1377913600] [2020-10-22 00:59:38,355 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:59:38,358 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:59:38,371 INFO L252 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-10-22 00:59:38,371 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:59:38,376 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:59:38,376 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 00:59:38,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:59:38,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 00:59:38,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:59:38,394 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 3 states. [2020-10-22 00:59:38,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:59:38,437 INFO L93 Difference]: Finished difference Result 136 states and 235 transitions. [2020-10-22 00:59:38,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 00:59:38,439 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-22 00:59:38,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:59:38,450 INFO L225 Difference]: With dead ends: 136 [2020-10-22 00:59:38,450 INFO L226 Difference]: Without dead ends: 69 [2020-10-22 00:59:38,452 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:59:38,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-10-22 00:59:38,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2020-10-22 00:59:38,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-10-22 00:59:38,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 118 transitions. [2020-10-22 00:59:38,497 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 118 transitions. Word has length 4 [2020-10-22 00:59:38,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:59:38,498 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 118 transitions. [2020-10-22 00:59:38,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 00:59:38,498 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 118 transitions. [2020-10-22 00:59:38,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-22 00:59:38,499 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:59:38,499 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-10-22 00:59:38,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 00:59:38,500 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:59:38,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:59:38,500 INFO L82 PathProgramCache]: Analyzing trace with hash 40182405, now seen corresponding path program 1 times [2020-10-22 00:59:38,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:59:38,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787820583] [2020-10-22 00:59:38,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:59:38,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 00:59:38,575 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 00:59:38,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 00:59:38,644 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 00:59:38,687 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 00:59:38,688 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 00:59:38,689 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 00:59:38,689 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-22 00:59:38,690 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-22 00:59:38,691 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-22 00:59:38,700 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,701 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,701 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,701 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,701 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,702 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,702 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,702 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,702 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,703 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,703 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,703 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,703 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,703 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,704 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,704 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,704 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,704 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,705 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,705 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,705 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,705 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,705 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,706 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,706 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,706 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,706 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,707 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,707 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,707 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,707 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,707 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,708 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,708 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,708 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,708 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,709 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,709 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,710 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,710 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,710 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,710 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,710 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,711 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,711 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,714 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,714 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,714 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,714 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,714 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,715 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,715 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,715 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,715 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:38,718 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2020-10-22 00:59:38,719 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-10-22 00:59:38,719 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 00:59:38,719 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 00:59:38,719 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 00:59:38,719 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 00:59:38,720 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 00:59:38,720 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 00:59:38,720 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 00:59:38,720 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 00:59:38,723 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 00:59:38,724 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 141 transitions, 300 flow [2020-10-22 00:59:38,724 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 141 transitions, 300 flow [2020-10-22 00:59:38,724 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 125 places, 141 transitions, 300 flow [2020-10-22 00:59:38,781 INFO L129 PetriNetUnfolder]: 35/234 cut-off events. [2020-10-22 00:59:38,781 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-10-22 00:59:38,784 INFO L80 FinitePrefix]: Finished finitePrefix Result has 248 conditions, 234 events. 35/234 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 716 event pairs, 0 based on Foata normal form. 0/192 useless extension candidates. Maximal degree in co-relation 148. Up to 8 conditions per place. [2020-10-22 00:59:38,795 INFO L116 LiptonReduction]: Number of co-enabled transitions 6664 [2020-10-22 00:59:40,793 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-22 00:59:40,932 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-10-22 00:59:41,267 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2020-10-22 00:59:41,587 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2020-10-22 00:59:42,440 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 150 [2020-10-22 00:59:42,897 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-10-22 00:59:42,918 INFO L131 LiptonReduction]: Checked pairs total: 17108 [2020-10-22 00:59:42,919 INFO L133 LiptonReduction]: Total number of compositions: 110 [2020-10-22 00:59:42,919 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 44 places, 55 transitions, 128 flow [2020-10-22 00:59:43,045 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2113 states. [2020-10-22 00:59:43,046 INFO L276 IsEmpty]: Start isEmpty. Operand 2113 states. [2020-10-22 00:59:43,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-22 00:59:43,047 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:59:43,047 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-22 00:59:43,048 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:59:43,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:59:43,048 INFO L82 PathProgramCache]: Analyzing trace with hash 22141559, now seen corresponding path program 1 times [2020-10-22 00:59:43,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:59:43,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934405234] [2020-10-22 00:59:43,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:59:43,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:59:43,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:59:43,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934405234] [2020-10-22 00:59:43,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:59:43,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 00:59:43,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2144950494] [2020-10-22 00:59:43,110 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:59:43,111 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:59:43,112 INFO L252 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-10-22 00:59:43,112 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:59:43,112 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:59:43,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 00:59:43,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:59:43,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 00:59:43,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:59:43,113 INFO L87 Difference]: Start difference. First operand 2113 states. Second operand 3 states. [2020-10-22 00:59:43,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:59:43,224 INFO L93 Difference]: Finished difference Result 2816 states and 7346 transitions. [2020-10-22 00:59:43,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 00:59:43,225 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-22 00:59:43,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:59:43,246 INFO L225 Difference]: With dead ends: 2816 [2020-10-22 00:59:43,247 INFO L226 Difference]: Without dead ends: 1209 [2020-10-22 00:59:43,251 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:59:43,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2020-10-22 00:59:43,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 1209. [2020-10-22 00:59:43,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1209 states. [2020-10-22 00:59:43,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 3199 transitions. [2020-10-22 00:59:43,373 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 3199 transitions. Word has length 4 [2020-10-22 00:59:43,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:59:43,374 INFO L481 AbstractCegarLoop]: Abstraction has 1209 states and 3199 transitions. [2020-10-22 00:59:43,374 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 00:59:43,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 3199 transitions. [2020-10-22 00:59:43,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-22 00:59:43,376 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:59:43,376 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2020-10-22 00:59:43,376 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 00:59:43,376 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:59:43,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:59:43,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1738598706, now seen corresponding path program 1 times [2020-10-22 00:59:43,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:59:43,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760626940] [2020-10-22 00:59:43,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:59:43,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 00:59:43,444 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 00:59:43,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 00:59:43,466 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 00:59:43,475 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 00:59:43,475 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 00:59:43,476 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 00:59:43,476 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-22 00:59:43,477 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-22 00:59:43,478 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-22 00:59:43,488 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,488 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,488 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,488 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,489 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,489 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,489 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,490 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,490 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,490 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,490 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,491 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,491 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,491 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,491 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,491 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,492 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,492 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,492 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,492 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,493 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,493 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,493 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,493 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,493 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,494 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,494 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,494 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,494 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,495 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,495 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,495 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,496 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,496 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,496 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,496 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,497 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,497 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,497 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,498 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,498 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,498 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,498 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,499 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,499 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,499 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,499 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,500 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,500 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,500 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,500 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,500 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,500 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,501 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,501 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,501 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,501 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,502 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,502 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,502 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,502 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,502 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,502 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,504 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,505 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,505 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,505 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,505 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,505 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,505 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,506 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,506 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,507 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,508 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,508 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,508 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,508 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,508 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,509 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,509 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,509 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:43,515 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2020-10-22 00:59:43,515 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-10-22 00:59:43,516 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 00:59:43,516 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 00:59:43,516 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 00:59:43,516 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 00:59:43,516 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 00:59:43,517 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 00:59:43,517 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 00:59:43,517 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 00:59:43,519 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 00:59:43,520 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 150 places, 171 transitions, 372 flow [2020-10-22 00:59:43,520 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 150 places, 171 transitions, 372 flow [2020-10-22 00:59:43,520 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 150 places, 171 transitions, 372 flow [2020-10-22 00:59:43,582 INFO L129 PetriNetUnfolder]: 55/353 cut-off events. [2020-10-22 00:59:43,583 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2020-10-22 00:59:43,588 INFO L80 FinitePrefix]: Finished finitePrefix Result has 381 conditions, 353 events. 55/353 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1236 event pairs, 1 based on Foata normal form. 0/290 useless extension candidates. Maximal degree in co-relation 242. Up to 16 conditions per place. [2020-10-22 00:59:43,613 INFO L116 LiptonReduction]: Number of co-enabled transitions 12600 [2020-10-22 00:59:45,391 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-10-22 00:59:45,812 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2020-10-22 00:59:45,982 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2020-10-22 00:59:47,079 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 156 DAG size of output: 150 [2020-10-22 00:59:47,532 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-10-22 00:59:47,546 INFO L131 LiptonReduction]: Checked pairs total: 31543 [2020-10-22 00:59:47,547 INFO L133 LiptonReduction]: Total number of compositions: 126 [2020-10-22 00:59:47,547 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 58 places, 74 transitions, 178 flow [2020-10-22 00:59:50,159 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 26221 states. [2020-10-22 00:59:50,159 INFO L276 IsEmpty]: Start isEmpty. Operand 26221 states. [2020-10-22 00:59:50,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-22 00:59:50,160 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:59:50,160 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-22 00:59:50,160 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:59:50,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:59:50,160 INFO L82 PathProgramCache]: Analyzing trace with hash 32186327, now seen corresponding path program 1 times [2020-10-22 00:59:50,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:59:50,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135653300] [2020-10-22 00:59:50,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:59:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:59:50,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:59:50,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135653300] [2020-10-22 00:59:50,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 00:59:50,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-22 00:59:50,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [968715110] [2020-10-22 00:59:50,198 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:59:50,199 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:59:50,199 INFO L252 McrAutomatonBuilder]: Finished intersection with 5 states and 4 transitions. [2020-10-22 00:59:50,200 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:59:50,200 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:59:50,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 00:59:50,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:59:50,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 00:59:50,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:59:50,201 INFO L87 Difference]: Start difference. First operand 26221 states. Second operand 3 states. [2020-10-22 00:59:51,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:59:51,354 INFO L93 Difference]: Finished difference Result 26158 states and 92705 transitions. [2020-10-22 00:59:51,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 00:59:51,355 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-22 00:59:51,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:59:51,507 INFO L225 Difference]: With dead ends: 26158 [2020-10-22 00:59:51,507 INFO L226 Difference]: Without dead ends: 14764 [2020-10-22 00:59:51,508 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 00:59:51,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14764 states. [2020-10-22 00:59:52,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14764 to 14764. [2020-10-22 00:59:52,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14764 states. [2020-10-22 00:59:52,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14764 states to 14764 states and 52547 transitions. [2020-10-22 00:59:52,463 INFO L78 Accepts]: Start accepts. Automaton has 14764 states and 52547 transitions. Word has length 4 [2020-10-22 00:59:52,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:59:52,463 INFO L481 AbstractCegarLoop]: Abstraction has 14764 states and 52547 transitions. [2020-10-22 00:59:52,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 00:59:52,464 INFO L276 IsEmpty]: Start isEmpty. Operand 14764 states and 52547 transitions. [2020-10-22 00:59:52,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-22 00:59:52,467 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:59:52,467 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:59:52,467 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 00:59:52,467 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:59:52,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:59:52,468 INFO L82 PathProgramCache]: Analyzing trace with hash 439141038, now seen corresponding path program 1 times [2020-10-22 00:59:52,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:59:52,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125759229] [2020-10-22 00:59:52,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:59:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:59:52,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:59:52,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125759229] [2020-10-22 00:59:52,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241059943] [2020-10-22 00:59:52,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 00:59:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:59:52,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-22 00:59:52,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 00:59:52,740 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 00:59:52,849 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 00:59:52,849 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 120 treesize of output 124 [2020-10-22 00:59:52,853 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 2, 6, 1] term [2020-10-22 00:59:52,853 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 00:59:52,855 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-22 00:59:52,856 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 00:59:52,861 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 00:59:52,885 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 00:59:52,886 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 198 treesize of output 202 [2020-10-22 00:59:52,888 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 2, 6, 1] term [2020-10-22 00:59:52,888 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 00:59:52,891 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 00:59:52,893 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-22 00:59:52,894 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 00:59:52,896 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 00:59:52,897 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 00:59:52,899 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-22 00:59:52,905 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-22 00:59:53,113 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 51 [2020-10-22 00:59:53,114 INFO L625 ElimStorePlain]: treesize reduction 836, result has 9.7 percent of original size [2020-10-22 00:59:53,122 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2020-10-22 00:59:53,123 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-22 00:59:53,133 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2020-10-22 00:59:53,135 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-22 00:59:53,184 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 00:59:53,200 INFO L545 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-22 00:59:53,201 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 7 variables, input treesize:106, output treesize:16 [2020-10-22 00:59:53,234 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-10-22 00:59:53,234 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 00:59:53,240 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-10-22 00:59:53,241 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-22 00:59:53,256 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 00:59:53,257 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-22 00:59:53,257 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:38, output treesize:30 [2020-10-22 00:59:53,281 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-22 00:59:53,306 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 21 [2020-10-22 00:59:53,308 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-22 00:59:53,330 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-22 00:59:53,331 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 45 [2020-10-22 00:59:53,333 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-22 00:59:53,393 INFO L625 ElimStorePlain]: treesize reduction 16, result has 73.8 percent of original size [2020-10-22 00:59:53,396 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2020-10-22 00:59:53,397 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:63, output treesize:45 [2020-10-22 00:59:54,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:59:54,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-22 00:59:54,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 6 [2020-10-22 00:59:54,028 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [305995088] [2020-10-22 00:59:54,029 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:59:54,030 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:59:54,035 INFO L252 McrAutomatonBuilder]: Finished intersection with 28 states and 41 transitions. [2020-10-22 00:59:54,035 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:59:54,356 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 2 new interpolants: [108327#(not (= (select (select |#pthreadsMutex| |~#__global_lock~0.base|) |~#__global_lock~0.offset|) 0)), 108328#(or (and (not (= ULTIMATE.start_main_~m~0.base |~#__global_lock~0.base|)) (= |~#__global_lock~0.offset| 0)) (and (= ULTIMATE.start_main_~m~0.offset 0) (= |~#__global_lock~0.offset| 0)) (not (= (select (select |#pthreadsMutex| |~#__global_lock~0.base|) |~#__global_lock~0.offset|) 0)))] [2020-10-22 00:59:54,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-22 00:59:54,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:59:54,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-22 00:59:54,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=48, Unknown=1, NotChecked=0, Total=72 [2020-10-22 00:59:54,358 INFO L87 Difference]: Start difference. First operand 14764 states and 52547 transitions. Second operand 7 states. [2020-10-22 00:59:54,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:59:54,990 INFO L93 Difference]: Finished difference Result 9656 states and 26372 transitions. [2020-10-22 00:59:54,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-22 00:59:54,992 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2020-10-22 00:59:54,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:59:55,028 INFO L225 Difference]: With dead ends: 9656 [2020-10-22 00:59:55,028 INFO L226 Difference]: Without dead ends: 9617 [2020-10-22 00:59:55,029 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=30, Invalid=59, Unknown=1, NotChecked=0, Total=90 [2020-10-22 00:59:55,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9617 states. [2020-10-22 00:59:55,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9617 to 8617. [2020-10-22 00:59:55,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8617 states. [2020-10-22 00:59:55,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8617 states to 8617 states and 24318 transitions. [2020-10-22 00:59:55,418 INFO L78 Accepts]: Start accepts. Automaton has 8617 states and 24318 transitions. Word has length 13 [2020-10-22 00:59:55,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:59:55,418 INFO L481 AbstractCegarLoop]: Abstraction has 8617 states and 24318 transitions. [2020-10-22 00:59:55,418 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-22 00:59:55,418 INFO L276 IsEmpty]: Start isEmpty. Operand 8617 states and 24318 transitions. [2020-10-22 00:59:55,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-22 00:59:55,426 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:59:55,426 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 00:59:55,633 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-10-22 00:59:55,634 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:59:55,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:59:55,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1583469246, now seen corresponding path program 1 times [2020-10-22 00:59:55,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:59:55,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478899622] [2020-10-22 00:59:55,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:59:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:59:55,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:59:55,705 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478899622] [2020-10-22 00:59:55,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383680251] [2020-10-22 00:59:55,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 00:59:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 00:59:55,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-22 00:59:55,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-22 00:59:55,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 00:59:55,802 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-22 00:59:55,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2020-10-22 00:59:55,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [897472254] [2020-10-22 00:59:55,803 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 00:59:55,804 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 00:59:55,807 INFO L252 McrAutomatonBuilder]: Finished intersection with 27 states and 38 transitions. [2020-10-22 00:59:55,808 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 00:59:55,892 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 00:59:55,892 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-22 00:59:55,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 00:59:55,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-22 00:59:55,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-22 00:59:55,893 INFO L87 Difference]: Start difference. First operand 8617 states and 24318 transitions. Second operand 4 states. [2020-10-22 00:59:55,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 00:59:55,950 INFO L93 Difference]: Finished difference Result 8599 states and 24287 transitions. [2020-10-22 00:59:55,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-22 00:59:55,950 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-10-22 00:59:55,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 00:59:55,979 INFO L225 Difference]: With dead ends: 8599 [2020-10-22 00:59:55,980 INFO L226 Difference]: Without dead ends: 8599 [2020-10-22 00:59:55,980 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-22 00:59:56,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8599 states. [2020-10-22 00:59:56,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8599 to 8599. [2020-10-22 00:59:56,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8599 states. [2020-10-22 00:59:56,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8599 states to 8599 states and 24287 transitions. [2020-10-22 00:59:56,285 INFO L78 Accepts]: Start accepts. Automaton has 8599 states and 24287 transitions. Word has length 14 [2020-10-22 00:59:56,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 00:59:56,285 INFO L481 AbstractCegarLoop]: Abstraction has 8599 states and 24287 transitions. [2020-10-22 00:59:56,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-22 00:59:56,286 INFO L276 IsEmpty]: Start isEmpty. Operand 8599 states and 24287 transitions. [2020-10-22 00:59:56,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-22 00:59:56,287 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 00:59:56,287 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2020-10-22 00:59:56,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-22 00:59:56,501 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 00:59:56,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 00:59:56,501 INFO L82 PathProgramCache]: Analyzing trace with hash -524724518, now seen corresponding path program 1 times [2020-10-22 00:59:56,503 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 00:59:56,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855447036] [2020-10-22 00:59:56,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 00:59:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 00:59:56,526 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 00:59:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 00:59:56,685 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 00:59:56,700 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 00:59:56,701 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 00:59:56,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-22 00:59:56,701 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-22 00:59:56,702 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-22 00:59:56,702 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-22 00:59:56,718 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,718 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,718 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,718 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,718 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,718 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,719 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,719 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,719 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,719 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,719 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,720 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,720 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,720 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,720 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,720 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,720 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,721 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,721 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,721 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,721 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,721 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,722 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,722 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,722 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,722 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,723 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,723 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,723 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,723 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,723 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,723 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,724 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,724 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,724 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,724 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,724 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,725 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,725 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,725 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,725 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,725 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,725 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,726 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,726 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,726 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,728 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,728 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,728 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,728 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,728 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,729 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,729 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,729 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,729 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,729 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,729 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,730 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,730 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,730 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,737 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,738 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,738 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,739 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,739 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,739 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,739 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,739 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,739 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,740 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,740 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,740 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,740 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,741 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,741 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,741 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,741 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,741 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,741 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,742 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,742 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,747 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,747 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,747 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,747 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,747 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,747 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,747 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,748 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,748 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,749 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,749 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,749 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,749 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,749 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,750 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,750 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,750 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,750 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,751 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,751 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,751 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,751 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,751 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,752 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,752 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,752 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,752 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 00:59:56,755 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-22 00:59:56,755 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-10-22 00:59:56,755 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 00:59:56,756 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 00:59:56,756 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 00:59:56,756 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 00:59:56,756 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 00:59:56,756 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 00:59:56,756 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 00:59:56,756 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 00:59:56,759 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 00:59:56,759 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 175 places, 201 transitions, 446 flow [2020-10-22 00:59:56,759 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 175 places, 201 transitions, 446 flow [2020-10-22 00:59:56,760 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 175 places, 201 transitions, 446 flow [2020-10-22 00:59:56,871 INFO L129 PetriNetUnfolder]: 87/536 cut-off events. [2020-10-22 00:59:56,872 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2020-10-22 00:59:56,881 INFO L80 FinitePrefix]: Finished finitePrefix Result has 591 conditions, 536 events. 87/536 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2095 event pairs, 6 based on Foata normal form. 0/444 useless extension candidates. Maximal degree in co-relation 373. Up to 32 conditions per place. [2020-10-22 00:59:56,922 INFO L116 LiptonReduction]: Number of co-enabled transitions 20272 [2020-10-22 00:59:59,212 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2020-10-22 00:59:59,458 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-22 00:59:59,641 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-10-22 01:00:00,671 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 150 [2020-10-22 01:00:01,154 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-10-22 01:00:01,180 INFO L131 LiptonReduction]: Checked pairs total: 56256 [2020-10-22 01:00:01,180 INFO L133 LiptonReduction]: Total number of compositions: 137 [2020-10-22 01:00:01,180 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 73 places, 95 transitions, 234 flow Received shutdown request... [2020-10-22 01:03:54,450 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-22 01:03:54,461 WARN L235 ceAbstractionStarter]: Timeout [2020-10-22 01:03:54,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 01:03:54 BasicIcfg [2020-10-22 01:03:54,462 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 01:03:54,463 INFO L168 Benchmark]: Toolchain (without parser) took 261773.99 ms. Allocated memory was 148.4 MB in the beginning and 2.6 GB in the end (delta: 2.5 GB). Free memory was 102.8 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2020-10-22 01:03:54,464 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 148.4 MB. Free memory was 123.1 MB in the beginning and 122.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-22 01:03:54,465 INFO L168 Benchmark]: CACSL2BoogieTranslator took 797.18 ms. Allocated memory was 148.4 MB in the beginning and 206.0 MB in the end (delta: 57.7 MB). Free memory was 101.8 MB in the beginning and 160.9 MB in the end (delta: -59.1 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. [2020-10-22 01:03:54,475 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.51 ms. Allocated memory is still 206.0 MB. Free memory was 160.9 MB in the beginning and 158.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-22 01:03:54,477 INFO L168 Benchmark]: Boogie Preprocessor took 43.47 ms. Allocated memory is still 206.0 MB. Free memory was 158.9 MB in the beginning and 156.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-22 01:03:54,478 INFO L168 Benchmark]: RCFGBuilder took 563.60 ms. Allocated memory is still 206.0 MB. Free memory was 156.9 MB in the beginning and 128.5 MB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. [2020-10-22 01:03:54,479 INFO L168 Benchmark]: TraceAbstraction took 260305.18 ms. Allocated memory was 206.0 MB in the beginning and 2.6 GB in the end (delta: 2.4 GB). Free memory was 127.8 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2020-10-22 01:03:54,483 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 148.4 MB. Free memory was 123.1 MB in the beginning and 122.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 797.18 ms. Allocated memory was 148.4 MB in the beginning and 206.0 MB in the end (delta: 57.7 MB). Free memory was 101.8 MB in the beginning and 160.9 MB in the end (delta: -59.1 MB). Peak memory consumption was 19.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 53.51 ms. Allocated memory is still 206.0 MB. Free memory was 160.9 MB in the beginning and 158.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.47 ms. Allocated memory is still 206.0 MB. Free memory was 158.9 MB in the beginning and 156.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 563.60 ms. Allocated memory is still 206.0 MB. Free memory was 156.9 MB in the beginning and 128.5 MB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 260305.18 ms. Allocated memory was 206.0 MB in the beginning and 2.6 GB in the end (delta: 2.4 GB). Free memory was 127.8 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1150 VarBasedMoverChecksPositive, 29 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 70 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.8s, 100 PlacesBefore, 27 PlacesAfterwards, 111 TransitionsBefore, 35 TransitionsAfterwards, 2240 CoEnabledTransitionPairs, 7 FixpointIterations, 39 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 15 ConcurrentYvCompositions, 3 ChoiceCompositions, 97 TotalNumberOfCompositions, 4621 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3204 VarBasedMoverChecksPositive, 47 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 253 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.1s, 125 PlacesBefore, 44 PlacesAfterwards, 141 TransitionsBefore, 55 TransitionsAfterwards, 6664 CoEnabledTransitionPairs, 7 FixpointIterations, 34 TrivialSequentialCompositions, 49 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 18 ConcurrentYvCompositions, 5 ChoiceCompositions, 110 TotalNumberOfCompositions, 17108 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 5882 VarBasedMoverChecksPositive, 60 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 498 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.0s, 150 PlacesBefore, 58 PlacesAfterwards, 171 TransitionsBefore, 74 TransitionsAfterwards, 12600 CoEnabledTransitionPairs, 6 FixpointIterations, 35 TrivialSequentialCompositions, 60 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 23 ConcurrentYvCompositions, 5 ChoiceCompositions, 126 TotalNumberOfCompositions, 31543 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 9034 VarBasedMoverChecksPositive, 104 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 616 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.4s, 175 PlacesBefore, 73 PlacesAfterwards, 201 TransitionsBefore, 95 TransitionsAfterwards, 20272 CoEnabledTransitionPairs, 6 FixpointIterations, 36 TrivialSequentialCompositions, 69 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 26 ConcurrentYvCompositions, 4 ChoiceCompositions, 137 TotalNumberOfCompositions, 56256 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 73 places, 95 transitions, 234 flow. Already constructed 336962 states. Currently 10272 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 97 locations, 1 error locations. Started 4 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 260.0s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 252.5s, HoareTripleCheckerStatistics: 217 SDtfs, 171 SDslu, 215 SDs, 0 SdLazy, 192 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26221occurred 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: 1.7s AutomataMinimizationTime, 5 MinimizatonAttempts, 1000 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 59 ConstructedInterpolants, 1 QuantifiedInterpolants, 4435 SizeOfPredicates, 34 NumberOfNonLiveVariables, 227 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 1/4 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