/usr/bin/java -Xmx16000000000 -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/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-ext/06_ticket.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 20:35:49,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 20:35:49,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 20:35:49,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 20:35:49,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 20:35:49,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 20:35:49,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 20:35:49,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 20:35:49,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 20:35:49,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 20:35:49,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 20:35:49,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 20:35:49,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 20:35:49,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 20:35:49,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 20:35:49,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 20:35:49,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 20:35:49,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 20:35:49,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 20:35:49,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 20:35:49,083 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 20:35:49,086 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 20:35:49,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 20:35:49,090 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 20:35:49,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 20:35:49,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 20:35:49,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 20:35:49,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 20:35:49,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 20:35:49,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 20:35:49,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 20:35:49,101 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 20:35:49,103 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 20:35:49,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 20:35:49,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 20:35:49,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 20:35:49,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 20:35:49,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 20:35:49,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 20:35:49,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 20:35:49,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 20:35:49,112 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf [2020-10-15 20:35:49,159 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 20:35:49,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 20:35:49,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 20:35:49,163 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 20:35:49,163 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 20:35:49,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 20:35:49,164 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 20:35:49,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 20:35:49,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 20:35:49,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 20:35:49,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 20:35:49,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 20:35:49,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 20:35:49,166 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 20:35:49,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 20:35:49,167 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 20:35:49,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 20:35:49,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 20:35:49,167 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 20:35:49,168 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 20:35:49,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 20:35:49,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 20:35:49,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 20:35:49,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 20:35:49,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 20:35:49,169 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 20:35:49,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 20:35:49,169 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 20:35:49,170 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 20:35:49,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 20:35:49,510 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 20:35:49,513 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 20:35:49,515 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 20:35:49,516 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 20:35:49,516 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/06_ticket.i [2020-10-15 20:35:49,584 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d067d61b/214d4246bed54072a9863eed35e6a0e3/FLAGd3e0926fb [2020-10-15 20:35:50,100 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 20:35:50,101 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/06_ticket.i [2020-10-15 20:35:50,118 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d067d61b/214d4246bed54072a9863eed35e6a0e3/FLAGd3e0926fb [2020-10-15 20:35:50,373 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d067d61b/214d4246bed54072a9863eed35e6a0e3 [2020-10-15 20:35:50,385 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 20:35:50,387 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 20:35:50,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 20:35:50,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 20:35:50,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 20:35:50,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:35:50" (1/1) ... [2020-10-15 20:35:50,399 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f8b9ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:35:50, skipping insertion in model container [2020-10-15 20:35:50,399 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:35:50" (1/1) ... [2020-10-15 20:35:50,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 20:35:50,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 20:35:50,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 20:35:50,970 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 20:35:51,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 20:35:51,095 INFO L208 MainTranslator]: Completed translation [2020-10-15 20:35:51,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:35:51 WrapperNode [2020-10-15 20:35:51,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 20:35:51,097 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 20:35:51,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 20:35:51,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 20:35:51,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:35:51" (1/1) ... [2020-10-15 20:35:51,123 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:35:51" (1/1) ... [2020-10-15 20:35:51,150 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 20:35:51,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 20:35:51,151 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 20:35:51,151 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 20:35:51,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:35:51" (1/1) ... [2020-10-15 20:35:51,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:35:51" (1/1) ... [2020-10-15 20:35:51,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:35:51" (1/1) ... [2020-10-15 20:35:51,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:35:51" (1/1) ... [2020-10-15 20:35:51,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:35:51" (1/1) ... [2020-10-15 20:35:51,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:35:51" (1/1) ... [2020-10-15 20:35:51,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:35:51" (1/1) ... [2020-10-15 20:35:51,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 20:35:51,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 20:35:51,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 20:35:51,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 20:35:51,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:35:51" (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 [2020-10-15 20:35:51,256 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-15 20:35:51,257 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-15 20:35:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 20:35:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-15 20:35:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 20:35:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 20:35:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-15 20:35:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 20:35:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 20:35:51,260 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-15 20:35:51,653 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 20:35:51,654 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-15 20:35:51,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:35:51 BoogieIcfgContainer [2020-10-15 20:35:51,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 20:35:51,659 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 20:35:51,659 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 20:35:51,663 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 20:35:51,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:35:50" (1/3) ... [2020-10-15 20:35:51,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e2a7a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:35:51, skipping insertion in model container [2020-10-15 20:35:51,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:35:51" (2/3) ... [2020-10-15 20:35:51,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e2a7a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:35:51, skipping insertion in model container [2020-10-15 20:35:51,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:35:51" (3/3) ... [2020-10-15 20:35:51,672 INFO L111 eAbstractionObserver]: Analyzing ICFG 06_ticket.i [2020-10-15 20:35:51,686 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-15 20:35:51,688 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 20:35:51,695 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 20:35:51,696 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 20:35:51,723 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,723 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,723 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,723 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,724 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,724 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,724 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,725 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,725 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,725 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,726 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,726 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,726 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,726 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,726 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,727 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,727 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,727 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,727 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,728 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,728 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,728 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,728 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,729 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,729 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,729 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,730 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,730 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,730 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,730 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,731 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,731 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,732 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,732 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,732 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,733 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,733 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,733 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,733 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,738 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,739 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,739 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,739 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,739 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,740 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,740 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,740 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,740 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,740 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,741 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,741 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,741 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:35:51,758 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-15 20:35:51,782 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 20:35:51,782 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 20:35:51,782 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 20:35:51,783 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 20:35:51,783 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 20:35:51,783 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 20:35:51,783 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 20:35:51,783 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 20:35:51,798 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 20:35:51,801 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 59 transitions, 123 flow [2020-10-15 20:35:51,803 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 59 transitions, 123 flow [2020-10-15 20:35:51,805 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 55 places, 59 transitions, 123 flow [2020-10-15 20:35:51,845 INFO L129 PetriNetUnfolder]: 8/67 cut-off events. [2020-10-15 20:35:51,845 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-15 20:35:51,851 INFO L80 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 67 events. 8/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 64 event pairs, 0 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 48. Up to 5 conditions per place. [2020-10-15 20:35:51,854 INFO L117 LiptonReduction]: Number of co-enabled transitions 780 [2020-10-15 20:36:40,157 WARN L193 SmtUtils]: Spent 47.53 s on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2020-10-15 20:37:04,967 WARN L193 SmtUtils]: Spent 24.81 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-15 20:37:07,118 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 37 [2020-10-15 20:37:09,282 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 37 [2020-10-15 20:37:09,439 INFO L132 LiptonReduction]: Checked pairs total: 668 [2020-10-15 20:37:09,439 INFO L134 LiptonReduction]: Total number of compositions: 64 [2020-10-15 20:37:09,446 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 13 places, 12 transitions, 29 flow [2020-10-15 20:37:09,455 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 29 states. [2020-10-15 20:37:09,458 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-10-15 20:37:09,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-15 20:37:09,469 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:37:09,470 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-15 20:37:09,470 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 20:37:09,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:37:09,476 INFO L82 PathProgramCache]: Analyzing trace with hash 283669864, now seen corresponding path program 1 times [2020-10-15 20:37:09,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:37:09,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308700576] [2020-10-15 20:37:09,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:37:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:37:09,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:37:09,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308700576] [2020-10-15 20:37:09,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:37:09,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 20:37:09,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792661125] [2020-10-15 20:37:09,628 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-15 20:37:09,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:37:09,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-15 20:37:09,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-15 20:37:09,645 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 2 states. [2020-10-15 20:37:09,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:37:09,656 INFO L93 Difference]: Finished difference Result 23 states and 38 transitions. [2020-10-15 20:37:09,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-15 20:37:09,657 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2020-10-15 20:37:09,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:37:09,665 INFO L225 Difference]: With dead ends: 23 [2020-10-15 20:37:09,666 INFO L226 Difference]: Without dead ends: 23 [2020-10-15 20:37:09,667 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-15 20:37:09,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-10-15 20:37:09,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-10-15 20:37:09,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-15 20:37:09,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 38 transitions. [2020-10-15 20:37:09,702 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 38 transitions. Word has length 5 [2020-10-15 20:37:09,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:37:09,703 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 38 transitions. [2020-10-15 20:37:09,703 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-15 20:37:09,703 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2020-10-15 20:37:09,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-15 20:37:09,703 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:37:09,704 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-10-15 20:37:09,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 20:37:09,704 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 20:37:09,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:37:09,705 INFO L82 PathProgramCache]: Analyzing trace with hash 203728727, now seen corresponding path program 1 times [2020-10-15 20:37:09,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:37:09,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479345380] [2020-10-15 20:37:09,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:37:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 20:37:09,731 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 20:37:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 20:37:09,744 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 20:37:09,766 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 20:37:09,766 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 20:37:09,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 20:37:09,769 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-15 20:37:09,770 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-15 20:37:09,778 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,780 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,780 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,780 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,780 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,780 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,781 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,781 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,781 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,781 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,781 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,781 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,782 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,782 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,782 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,782 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,782 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,783 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,783 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,783 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,783 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,783 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,784 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,784 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,784 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,785 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,786 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,786 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,787 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,787 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,787 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,787 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,787 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,787 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,788 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,788 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,789 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,789 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,789 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,789 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,789 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,790 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,790 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,790 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,790 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,790 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,791 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,791 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,791 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,791 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,791 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,792 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,792 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,792 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,792 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,792 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,793 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,793 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,793 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,793 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,793 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,794 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,794 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,794 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,795 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,795 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,795 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,795 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,795 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,796 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,796 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,796 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,796 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,796 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,796 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,797 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,797 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,799 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,799 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,799 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,800 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,800 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,800 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,800 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,800 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,801 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,801 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,801 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:37:09,803 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-15 20:37:09,803 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 20:37:09,803 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 20:37:09,804 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 20:37:09,804 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 20:37:09,804 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 20:37:09,804 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 20:37:09,804 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 20:37:09,804 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 20:37:09,807 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 20:37:09,808 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 99 transitions, 210 flow [2020-10-15 20:37:09,808 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 99 transitions, 210 flow [2020-10-15 20:37:09,808 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 91 places, 99 transitions, 210 flow [2020-10-15 20:37:09,837 INFO L129 PetriNetUnfolder]: 15/116 cut-off events. [2020-10-15 20:37:09,837 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-15 20:37:09,840 INFO L80 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 116 events. 15/116 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 214 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 87. Up to 6 conditions per place. [2020-10-15 20:37:09,847 INFO L117 LiptonReduction]: Number of co-enabled transitions 4680 [2020-10-15 20:37:12,585 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 26 [2020-10-15 20:37:27,541 WARN L193 SmtUtils]: Spent 14.53 s on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2020-10-15 20:37:37,883 WARN L193 SmtUtils]: Spent 10.34 s on a formula simplification that was a NOOP. DAG size: 24 [2020-10-15 20:37:37,992 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-15 20:37:37,993 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:37:38,010 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-15 20:37:38,010 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:37:40,183 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 35 [2020-10-15 20:37:42,356 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 33 [2020-10-15 20:38:07,221 WARN L193 SmtUtils]: Spent 24.82 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-15 20:38:29,958 WARN L193 SmtUtils]: Spent 22.74 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-15 20:38:32,261 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 39 [2020-10-15 20:38:34,405 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 39 [2020-10-15 20:38:53,083 WARN L193 SmtUtils]: Spent 18.66 s on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2020-10-15 20:39:11,690 WARN L193 SmtUtils]: Spent 18.61 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-15 20:39:11,821 INFO L132 LiptonReduction]: Checked pairs total: 8658 [2020-10-15 20:39:11,821 INFO L134 LiptonReduction]: Total number of compositions: 102 [2020-10-15 20:39:11,821 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 34 transitions, 80 flow [2020-10-15 20:39:11,855 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 653 states. [2020-10-15 20:39:11,856 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states. [2020-10-15 20:39:11,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-15 20:39:11,856 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:39:11,857 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-15 20:39:11,857 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:39:11,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:39:11,857 INFO L82 PathProgramCache]: Analyzing trace with hash 507661700, now seen corresponding path program 1 times [2020-10-15 20:39:11,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:39:11,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338571283] [2020-10-15 20:39:11,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:39:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:39:11,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:39:11,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338571283] [2020-10-15 20:39:11,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:39:11,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 20:39:11,890 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673683494] [2020-10-15 20:39:11,890 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-15 20:39:11,891 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:39:11,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-15 20:39:11,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-15 20:39:11,891 INFO L87 Difference]: Start difference. First operand 653 states. Second operand 2 states. [2020-10-15 20:39:11,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:39:11,931 INFO L93 Difference]: Finished difference Result 520 states and 1400 transitions. [2020-10-15 20:39:11,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-15 20:39:11,932 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2020-10-15 20:39:11,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:39:11,948 INFO L225 Difference]: With dead ends: 520 [2020-10-15 20:39:11,948 INFO L226 Difference]: Without dead ends: 520 [2020-10-15 20:39:11,949 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-15 20:39:11,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2020-10-15 20:39:12,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 520. [2020-10-15 20:39:12,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2020-10-15 20:39:12,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 1400 transitions. [2020-10-15 20:39:12,017 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 1400 transitions. Word has length 5 [2020-10-15 20:39:12,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:39:12,018 INFO L481 AbstractCegarLoop]: Abstraction has 520 states and 1400 transitions. [2020-10-15 20:39:12,018 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-15 20:39:12,018 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 1400 transitions. [2020-10-15 20:39:12,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-15 20:39:12,019 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:39:12,019 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:39:12,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 20:39:12,019 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:39:12,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:39:12,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1165950069, now seen corresponding path program 1 times [2020-10-15 20:39:12,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:39:12,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906175304] [2020-10-15 20:39:12,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:39:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:39:12,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:39:12,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906175304] [2020-10-15 20:39:12,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:39:12,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 20:39:12,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856495027] [2020-10-15 20:39:12,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 20:39:12,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:39:12,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 20:39:12,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 20:39:12,148 INFO L87 Difference]: Start difference. First operand 520 states and 1400 transitions. Second operand 5 states. [2020-10-15 20:39:12,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:39:12,283 INFO L93 Difference]: Finished difference Result 657 states and 1747 transitions. [2020-10-15 20:39:12,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 20:39:12,284 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-10-15 20:39:12,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:39:12,290 INFO L225 Difference]: With dead ends: 657 [2020-10-15 20:39:12,291 INFO L226 Difference]: Without dead ends: 657 [2020-10-15 20:39:12,292 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-15 20:39:12,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2020-10-15 20:39:12,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 565. [2020-10-15 20:39:12,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2020-10-15 20:39:12,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 1510 transitions. [2020-10-15 20:39:12,350 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 1510 transitions. Word has length 8 [2020-10-15 20:39:12,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:39:12,351 INFO L481 AbstractCegarLoop]: Abstraction has 565 states and 1510 transitions. [2020-10-15 20:39:12,353 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 20:39:12,353 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 1510 transitions. [2020-10-15 20:39:12,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-15 20:39:12,354 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:39:12,354 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2020-10-15 20:39:12,355 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 20:39:12,355 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:39:12,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:39:12,355 INFO L82 PathProgramCache]: Analyzing trace with hash 899381557, now seen corresponding path program 1 times [2020-10-15 20:39:12,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:39:12,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319867676] [2020-10-15 20:39:12,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:39:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 20:39:12,387 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 20:39:12,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 20:39:12,407 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 20:39:12,419 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 20:39:12,420 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 20:39:12,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 20:39:12,421 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-15 20:39:12,422 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-15 20:39:12,445 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,445 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,445 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,445 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,446 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,446 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,446 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,448 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,448 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,449 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,449 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,449 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,449 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,449 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,450 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,450 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,452 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,452 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,452 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,452 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,452 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,452 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,453 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,453 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,453 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,453 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,454 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,454 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,454 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,455 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,455 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,455 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,457 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,457 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,457 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,458 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,458 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,458 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,458 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,458 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,458 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,459 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,459 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,459 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,459 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,459 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,459 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,459 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,460 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,460 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,460 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,460 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,460 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,461 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,461 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,461 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,461 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,461 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,461 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,462 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,462 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,462 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,462 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,462 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,462 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,464 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,464 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,464 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,464 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,464 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,464 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,464 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,465 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,467 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,468 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,468 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,468 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,468 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,468 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,468 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,469 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,469 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,469 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,470 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,471 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,471 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,471 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,471 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,471 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,471 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,472 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,472 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,472 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,472 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,472 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,472 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,472 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:39:12,473 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-15 20:39:12,473 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 20:39:12,473 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 20:39:12,474 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 20:39:12,474 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 20:39:12,474 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 20:39:12,474 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 20:39:12,474 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 20:39:12,474 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 20:39:12,476 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 20:39:12,476 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 139 transitions, 299 flow [2020-10-15 20:39:12,476 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 127 places, 139 transitions, 299 flow [2020-10-15 20:39:12,477 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 127 places, 139 transitions, 299 flow [2020-10-15 20:39:12,526 INFO L129 PetriNetUnfolder]: 22/165 cut-off events. [2020-10-15 20:39:12,526 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-15 20:39:12,532 INFO L80 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 165 events. 22/165 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 447 event pairs, 0 based on Foata normal form. 0/136 useless extension candidates. Maximal degree in co-relation 126. Up to 8 conditions per place. [2020-10-15 20:39:12,544 INFO L117 LiptonReduction]: Number of co-enabled transitions 11700 [2020-10-15 20:39:19,359 WARN L193 SmtUtils]: Spent 6.21 s on a formula simplification that was a NOOP. DAG size: 21 [2020-10-15 20:39:21,458 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 21 [2020-10-15 20:39:21,464 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-15 20:39:21,465 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:39:21,475 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-15 20:39:21,475 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:39:21,793 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-15 20:39:21,794 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:39:21,806 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-15 20:39:21,807 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:39:26,392 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-15 20:39:26,392 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:39:28,481 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-15 20:39:28,482 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:40:11,938 WARN L193 SmtUtils]: Spent 43.43 s on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2020-10-15 20:40:18,166 WARN L193 SmtUtils]: Spent 6.23 s on a formula simplification that was a NOOP. DAG size: 24 [2020-10-15 20:40:18,186 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-15 20:40:18,186 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:40:18,202 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-15 20:40:18,203 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:40:55,450 WARN L193 SmtUtils]: Spent 33.09 s on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2020-10-15 20:41:14,058 WARN L193 SmtUtils]: Spent 18.61 s on a formula simplification that was a NOOP. DAG size: 24 [2020-10-15 20:41:14,092 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-15 20:41:14,092 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:41:14,102 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-15 20:41:14,102 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:41:18,373 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 32 [2020-10-15 20:41:20,513 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 32 [2020-10-15 20:42:19,132 WARN L193 SmtUtils]: Spent 58.62 s on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2020-10-15 20:42:37,981 WARN L193 SmtUtils]: Spent 18.85 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-15 20:42:46,500 WARN L193 SmtUtils]: Spent 8.39 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-15 20:43:01,165 WARN L193 SmtUtils]: Spent 14.66 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-15 20:43:05,388 WARN L193 SmtUtils]: Spent 4.22 s on a formula simplification that was a NOOP. DAG size: 32 [2020-10-15 20:43:32,679 WARN L193 SmtUtils]: Spent 27.22 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-15 20:43:59,882 WARN L193 SmtUtils]: Spent 27.20 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-15 20:44:00,276 INFO L132 LiptonReduction]: Checked pairs total: 21269 [2020-10-15 20:44:00,276 INFO L134 LiptonReduction]: Total number of compositions: 138 [2020-10-15 20:44:00,277 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 49 transitions, 119 flow [2020-10-15 20:44:00,821 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 7187 states. [2020-10-15 20:44:00,822 INFO L276 IsEmpty]: Start isEmpty. Operand 7187 states. [2020-10-15 20:44:00,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-15 20:44:00,822 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:44:00,823 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-15 20:44:00,823 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:44:00,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:44:00,824 INFO L82 PathProgramCache]: Analyzing trace with hash 801024743, now seen corresponding path program 1 times [2020-10-15 20:44:00,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:44:00,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276281782] [2020-10-15 20:44:00,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:44:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:44:00,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:44:00,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276281782] [2020-10-15 20:44:00,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:44:00,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 20:44:00,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414471689] [2020-10-15 20:44:00,843 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-15 20:44:00,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:44:00,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-15 20:44:00,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-15 20:44:00,844 INFO L87 Difference]: Start difference. First operand 7187 states. Second operand 2 states. [2020-10-15 20:44:00,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:44:00,926 INFO L93 Difference]: Finished difference Result 5723 states and 21123 transitions. [2020-10-15 20:44:00,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-15 20:44:00,927 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2020-10-15 20:44:00,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:44:00,983 INFO L225 Difference]: With dead ends: 5723 [2020-10-15 20:44:00,983 INFO L226 Difference]: Without dead ends: 5723 [2020-10-15 20:44:00,984 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-15 20:44:01,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5723 states. [2020-10-15 20:44:01,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5723 to 5723. [2020-10-15 20:44:01,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5723 states. [2020-10-15 20:44:01,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5723 states to 5723 states and 21123 transitions. [2020-10-15 20:44:01,288 INFO L78 Accepts]: Start accepts. Automaton has 5723 states and 21123 transitions. Word has length 5 [2020-10-15 20:44:01,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:44:01,288 INFO L481 AbstractCegarLoop]: Abstraction has 5723 states and 21123 transitions. [2020-10-15 20:44:01,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-15 20:44:01,289 INFO L276 IsEmpty]: Start isEmpty. Operand 5723 states and 21123 transitions. [2020-10-15 20:44:01,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-15 20:44:01,290 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:44:01,290 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:44:01,290 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 20:44:01,292 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:44:01,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:44:01,292 INFO L82 PathProgramCache]: Analyzing trace with hash 480170840, now seen corresponding path program 1 times [2020-10-15 20:44:01,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:44:01,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816797070] [2020-10-15 20:44:01,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:44:01,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:44:01,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:44:01,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816797070] [2020-10-15 20:44:01,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:44:01,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 20:44:01,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196992363] [2020-10-15 20:44:01,439 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 20:44:01,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:44:01,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 20:44:01,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 20:44:01,440 INFO L87 Difference]: Start difference. First operand 5723 states and 21123 transitions. Second operand 5 states. [2020-10-15 20:44:01,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:44:01,663 INFO L93 Difference]: Finished difference Result 8300 states and 29773 transitions. [2020-10-15 20:44:01,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 20:44:01,664 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-10-15 20:44:01,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:44:01,751 INFO L225 Difference]: With dead ends: 8300 [2020-10-15 20:44:01,752 INFO L226 Difference]: Without dead ends: 8300 [2020-10-15 20:44:01,753 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-15 20:44:01,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8300 states. [2020-10-15 20:44:02,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8300 to 6844. [2020-10-15 20:44:02,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6844 states. [2020-10-15 20:44:02,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6844 states to 6844 states and 25077 transitions. [2020-10-15 20:44:02,191 INFO L78 Accepts]: Start accepts. Automaton has 6844 states and 25077 transitions. Word has length 8 [2020-10-15 20:44:02,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:44:02,192 INFO L481 AbstractCegarLoop]: Abstraction has 6844 states and 25077 transitions. [2020-10-15 20:44:02,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 20:44:02,192 INFO L276 IsEmpty]: Start isEmpty. Operand 6844 states and 25077 transitions. [2020-10-15 20:44:02,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-15 20:44:02,194 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:44:02,195 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:44:02,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 20:44:02,195 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:44:02,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:44:02,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1897323398, now seen corresponding path program 1 times [2020-10-15 20:44:02,196 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:44:02,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678077910] [2020-10-15 20:44:02,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:44:02,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:44:02,307 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-15 20:44:02,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678077910] [2020-10-15 20:44:02,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:44:02,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 20:44:02,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745272050] [2020-10-15 20:44:02,308 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 20:44:02,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:44:02,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 20:44:02,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-15 20:44:02,309 INFO L87 Difference]: Start difference. First operand 6844 states and 25077 transitions. Second operand 5 states. [2020-10-15 20:44:02,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:44:02,527 INFO L93 Difference]: Finished difference Result 9360 states and 33488 transitions. [2020-10-15 20:44:02,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 20:44:02,528 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-15 20:44:02,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:44:02,571 INFO L225 Difference]: With dead ends: 9360 [2020-10-15 20:44:02,571 INFO L226 Difference]: Without dead ends: 9360 [2020-10-15 20:44:02,572 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-15 20:44:02,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9360 states. [2020-10-15 20:44:02,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9360 to 7453. [2020-10-15 20:44:02,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7453 states. [2020-10-15 20:44:02,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7453 states to 7453 states and 27180 transitions. [2020-10-15 20:44:02,875 INFO L78 Accepts]: Start accepts. Automaton has 7453 states and 27180 transitions. Word has length 11 [2020-10-15 20:44:02,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:44:02,876 INFO L481 AbstractCegarLoop]: Abstraction has 7453 states and 27180 transitions. [2020-10-15 20:44:02,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 20:44:02,877 INFO L276 IsEmpty]: Start isEmpty. Operand 7453 states and 27180 transitions. [2020-10-15 20:44:03,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-15 20:44:03,016 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:44:03,017 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2020-10-15 20:44:03,017 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-15 20:44:03,019 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:44:03,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:44:03,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1479022550, now seen corresponding path program 1 times [2020-10-15 20:44:03,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:44:03,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785484505] [2020-10-15 20:44:03,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:44:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 20:44:03,038 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 20:44:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-15 20:44:03,058 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-15 20:44:03,064 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-15 20:44:03,065 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-15 20:44:03,066 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-15 20:44:03,066 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-15 20:44:03,067 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-15 20:44:03,080 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,080 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,080 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,080 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,080 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,081 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,081 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,081 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,081 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,081 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,081 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,081 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,082 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,082 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,082 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,082 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,082 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,082 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,082 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,082 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,083 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,083 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,083 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,083 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,083 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,083 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,089 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,089 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,089 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,090 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,090 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,090 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,090 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,090 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,090 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,090 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,091 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,091 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,091 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,093 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,093 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,094 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,094 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,094 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,094 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,094 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,094 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,094 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,095 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,095 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,095 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,095 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,095 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,095 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,095 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,095 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,096 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,096 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,096 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,096 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,096 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,096 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,096 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,096 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,097 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,097 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,097 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,097 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,097 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,097 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,097 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,098 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,098 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,098 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,098 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,098 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,098 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,098 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,099 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,099 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,099 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,099 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,099 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,099 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,099 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,099 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,100 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,100 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,100 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,100 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,100 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,100 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,100 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,100 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,100 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,101 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,101 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,101 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,101 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,102 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,102 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,103 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,103 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,103 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,103 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,103 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,103 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,103 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,104 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,104 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,104 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,104 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,104 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,104 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,104 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,105 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,105 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,105 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,105 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,105 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,105 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,105 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,106 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,106 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,106 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,106 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,106 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,106 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,106 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,106 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,107 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,107 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,107 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,107 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,107 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,107 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,107 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,107 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,107 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,108 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,108 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,108 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,108 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,108 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,108 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,108 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,108 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,108 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,108 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,108 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,109 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,109 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,109 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,109 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,109 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,109 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,109 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,109 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,110 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,110 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,110 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,110 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,112 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,112 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,112 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,112 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,113 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,113 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,113 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,115 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,115 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,116 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,119 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,120 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,120 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,120 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,120 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,120 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,120 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,120 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,120 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,121 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,121 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,122 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,122 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,123 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,123 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,123 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,123 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,124 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,124 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,124 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,124 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,124 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,124 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,124 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,124 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:44:03,125 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-15 20:44:03,126 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 20:44:03,126 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 20:44:03,126 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 20:44:03,126 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 20:44:03,126 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 20:44:03,126 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 20:44:03,126 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 20:44:03,126 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 20:44:03,128 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 20:44:03,129 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 163 places, 179 transitions, 390 flow [2020-10-15 20:44:03,129 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 163 places, 179 transitions, 390 flow [2020-10-15 20:44:03,129 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 163 places, 179 transitions, 390 flow [2020-10-15 20:44:03,187 INFO L129 PetriNetUnfolder]: 29/214 cut-off events. [2020-10-15 20:44:03,187 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-15 20:44:03,191 INFO L80 FinitePrefix]: Finished finitePrefix Result has 237 conditions, 214 events. 29/214 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 671 event pairs, 0 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 173. Up to 10 conditions per place. [2020-10-15 20:44:03,209 INFO L117 LiptonReduction]: Number of co-enabled transitions 21840 [2020-10-15 20:44:07,543 WARN L193 SmtUtils]: Spent 4.21 s on a formula simplification that was a NOOP. DAG size: 24 [2020-10-15 20:44:13,842 WARN L193 SmtUtils]: Spent 6.30 s on a formula simplification that was a NOOP. DAG size: 24 [2020-10-15 20:44:16,004 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 21 [2020-10-15 20:44:16,068 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-15 20:44:16,069 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:44:16,079 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-15 20:44:16,080 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:44:18,808 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 21 [2020-10-15 20:44:20,928 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 21 [2020-10-15 20:44:21,009 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-15 20:44:21,010 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:44:21,020 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-15 20:44:21,020 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:44:25,274 WARN L193 SmtUtils]: Spent 4.23 s on a formula simplification that was a NOOP. DAG size: 26 [2020-10-15 20:44:27,404 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 26 [2020-10-15 20:44:30,593 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-15 20:44:32,752 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 28 [2020-10-15 20:45:16,719 WARN L193 SmtUtils]: Spent 43.97 s on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2020-10-15 20:45:35,572 WARN L193 SmtUtils]: Spent 18.85 s on a formula simplification that was a NOOP. DAG size: 24 [2020-10-15 20:45:46,156 WARN L193 SmtUtils]: Spent 10.51 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-15 20:46:00,827 WARN L193 SmtUtils]: Spent 14.67 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-15 20:46:02,991 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 34 [2020-10-15 20:46:05,149 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 34 [2020-10-15 20:46:07,331 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-15 20:46:09,479 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 28 [2020-10-15 20:46:45,107 WARN L193 SmtUtils]: Spent 35.63 s on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2020-10-15 20:46:59,780 WARN L193 SmtUtils]: Spent 14.67 s on a formula simplification that was a NOOP. DAG size: 24 [2020-10-15 20:47:27,150 WARN L193 SmtUtils]: Spent 27.29 s on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2020-10-15 20:47:31,376 WARN L193 SmtUtils]: Spent 4.22 s on a formula simplification that was a NOOP. DAG size: 24 [2020-10-15 20:47:31,378 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-15 20:47:31,379 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:47:33,506 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-15 20:47:33,507 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:48:00,812 WARN L193 SmtUtils]: Spent 25.21 s on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2020-10-15 20:48:28,007 WARN L193 SmtUtils]: Spent 27.19 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-15 20:48:28,327 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-15 20:48:28,328 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:48:28,343 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-15 20:48:28,343 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:48:49,457 WARN L193 SmtUtils]: Spent 20.99 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-15 20:49:10,456 WARN L193 SmtUtils]: Spent 21.00 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-15 20:49:41,861 WARN L193 SmtUtils]: Spent 31.35 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-15 20:50:09,062 WARN L193 SmtUtils]: Spent 27.20 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-15 20:50:09,137 INFO L132 LiptonReduction]: Checked pairs total: 40017 [2020-10-15 20:50:09,137 INFO L134 LiptonReduction]: Total number of compositions: 179 [2020-10-15 20:50:09,137 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 58 places, 64 transitions, 160 flow [2020-10-15 20:50:25,670 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 79061 states. [2020-10-15 20:50:25,671 INFO L276 IsEmpty]: Start isEmpty. Operand 79061 states. [2020-10-15 20:50:25,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-15 20:50:25,671 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:50:25,671 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-15 20:50:25,671 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-15 20:50:25,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:50:25,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1182912884, now seen corresponding path program 1 times [2020-10-15 20:50:25,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:50:25,673 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021441217] [2020-10-15 20:50:25,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:50:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:50:25,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:50:25,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021441217] [2020-10-15 20:50:25,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:50:25,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 20:50:25,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540997089] [2020-10-15 20:50:25,696 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-15 20:50:25,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:50:25,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-15 20:50:25,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-15 20:50:25,696 INFO L87 Difference]: Start difference. First operand 79061 states. Second operand 2 states. [2020-10-15 20:50:26,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:50:26,159 INFO L93 Difference]: Finished difference Result 62956 states and 295309 transitions. [2020-10-15 20:50:26,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-15 20:50:26,159 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2020-10-15 20:50:26,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:50:28,921 INFO L225 Difference]: With dead ends: 62956 [2020-10-15 20:50:28,921 INFO L226 Difference]: Without dead ends: 62956 [2020-10-15 20:50:28,922 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 Received shutdown request... [2020-10-15 20:50:29,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62956 states. [2020-10-15 20:50:29,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-15 20:50:29,968 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-15 20:50:29,971 WARN L235 ceAbstractionStarter]: Timeout [2020-10-15 20:50:29,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 08:50:29 BasicIcfg [2020-10-15 20:50:29,971 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 20:50:29,973 INFO L168 Benchmark]: Toolchain (without parser) took 879587.11 ms. Allocated memory was 249.6 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 205.9 MB in the beginning and 434.5 MB in the end (delta: -228.6 MB). Peak memory consumption was 1.2 GB. Max. memory is 14.2 GB. [2020-10-15 20:50:29,974 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 249.6 MB. Free memory is still 225.9 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-15 20:50:29,975 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.74 ms. Allocated memory was 249.6 MB in the beginning and 310.4 MB in the end (delta: 60.8 MB). Free memory was 205.9 MB in the beginning and 266.1 MB in the end (delta: -60.1 MB). Peak memory consumption was 32.9 MB. Max. memory is 14.2 GB. [2020-10-15 20:50:29,975 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.54 ms. Allocated memory is still 310.4 MB. Free memory was 266.1 MB in the beginning and 263.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 20:50:29,976 INFO L168 Benchmark]: Boogie Preprocessor took 33.03 ms. Allocated memory is still 310.4 MB. Free memory was 263.6 MB in the beginning and 261.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 20:50:29,977 INFO L168 Benchmark]: RCFGBuilder took 474.10 ms. Allocated memory is still 310.4 MB. Free memory was 261.0 MB in the beginning and 239.2 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 14.2 GB. [2020-10-15 20:50:29,978 INFO L168 Benchmark]: TraceAbstraction took 878312.36 ms. Allocated memory was 310.4 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 239.2 MB in the beginning and 434.5 MB in the end (delta: -195.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 14.2 GB. [2020-10-15 20:50:29,982 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 249.6 MB. Free memory is still 225.9 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 707.74 ms. Allocated memory was 249.6 MB in the beginning and 310.4 MB in the end (delta: 60.8 MB). Free memory was 205.9 MB in the beginning and 266.1 MB in the end (delta: -60.1 MB). Peak memory consumption was 32.9 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 53.54 ms. Allocated memory is still 310.4 MB. Free memory was 266.1 MB in the beginning and 263.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 33.03 ms. Allocated memory is still 310.4 MB. Free memory was 263.6 MB in the beginning and 261.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 474.10 ms. Allocated memory is still 310.4 MB. Free memory was 261.0 MB in the beginning and 239.2 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 14.2 GB. * TraceAbstraction took 878312.36 ms. Allocated memory was 310.4 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 239.2 MB in the beginning and 434.5 MB in the end (delta: -195.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 512 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 6 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 77.6s, 55 PlacesBefore, 13 PlacesAfterwards, 59 TransitionsBefore, 12 TransitionsAfterwards, 780 CoEnabledTransitionPairs, 5 FixpointIterations, 8 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 15 ConcurrentYvCompositions, 5 ChoiceCompositions, 64 TotalNumberOfCompositions, 668 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3337 VarBasedMoverChecksPositive, 111 VarBasedMoverChecksNegative, 63 SemBasedMoverChecksPositive, 48 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 235 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 122.0s, 91 PlacesBefore, 32 PlacesAfterwards, 99 TransitionsBefore, 34 TransitionsAfterwards, 4680 CoEnabledTransitionPairs, 6 FixpointIterations, 8 TrivialSequentialCompositions, 69 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 19 ConcurrentYvCompositions, 6 ChoiceCompositions, 102 TotalNumberOfCompositions, 8658 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 8017 VarBasedMoverChecksPositive, 291 VarBasedMoverChecksNegative, 203 SemBasedMoverChecksPositive, 86 SemBasedMoverChecksNegative, 2 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 13.2s, 491 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 287.7s, 127 PlacesBefore, 45 PlacesAfterwards, 139 TransitionsBefore, 49 TransitionsAfterwards, 11700 CoEnabledTransitionPairs, 6 FixpointIterations, 8 TrivialSequentialCompositions, 93 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 29 ConcurrentYvCompositions, 8 ChoiceCompositions, 138 TotalNumberOfCompositions, 21269 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 14355 VarBasedMoverChecksPositive, 476 VarBasedMoverChecksNegative, 364 SemBasedMoverChecksPositive, 112 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 5.3s, 579 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 366.0s, 163 PlacesBefore, 58 PlacesAfterwards, 179 TransitionsBefore, 64 TransitionsAfterwards, 21840 CoEnabledTransitionPairs, 6 FixpointIterations, 8 TrivialSequentialCompositions, 122 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 39 ConcurrentYvCompositions, 10 ChoiceCompositions, 179 TotalNumberOfCompositions, 40017 MoverChecksTotal - TimeoutResultAtElement [Line: 716]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 716). Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 4 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 878.0s, OverallIterations: 10, TraceHistogramMax: 4, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 870.6s, HoareTripleCheckerStatistics: 368 SDtfs, 234 SDslu, 381 SDs, 0 SdLazy, 290 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79061occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 3455 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 1282 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown