/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-lit/sssc12.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 18:55:08,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 18:55:08,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 18:55:08,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 18:55:08,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 18:55:08,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 18:55:08,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 18:55:08,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 18:55:08,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 18:55:08,065 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 18:55:08,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 18:55:08,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 18:55:08,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 18:55:08,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 18:55:08,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 18:55:08,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 18:55:08,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 18:55:08,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 18:55:08,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 18:55:08,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 18:55:08,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 18:55:08,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 18:55:08,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 18:55:08,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 18:55:08,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 18:55:08,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 18:55:08,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 18:55:08,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 18:55:08,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 18:55:08,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 18:55:08,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 18:55:08,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 18:55:08,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 18:55:08,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 18:55:08,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 18:55:08,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 18:55:08,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 18:55:08,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 18:55:08,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 18:55:08,114 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 18:55:08,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 18:55:08,116 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-MCR.epf [2019-12-27 18:55:08,136 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 18:55:08,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 18:55:08,137 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 18:55:08,137 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 18:55:08,138 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 18:55:08,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 18:55:08,138 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 18:55:08,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 18:55:08,138 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 18:55:08,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 18:55:08,139 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 18:55:08,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 18:55:08,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 18:55:08,139 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 18:55:08,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 18:55:08,140 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 18:55:08,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 18:55:08,140 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 18:55:08,140 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 18:55:08,141 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 18:55:08,141 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 18:55:08,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 18:55:08,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 18:55:08,141 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 18:55:08,142 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 18:55:08,142 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 18:55:08,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 18:55:08,142 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 18:55:08,142 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 18:55:08,143 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 18:55:08,143 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 18:55:08,437 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 18:55:08,445 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 18:55:08,449 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 18:55:08,451 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 18:55:08,451 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 18:55:08,452 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/sssc12.i [2019-12-27 18:55:08,512 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bf8e9d81/ac10e93205564a3393eea67fbdae9937/FLAGb32c72e87 [2019-12-27 18:55:09,070 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 18:55:09,071 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12.i [2019-12-27 18:55:09,095 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bf8e9d81/ac10e93205564a3393eea67fbdae9937/FLAGb32c72e87 [2019-12-27 18:55:09,341 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bf8e9d81/ac10e93205564a3393eea67fbdae9937 [2019-12-27 18:55:09,352 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 18:55:09,355 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 18:55:09,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 18:55:09,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 18:55:09,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 18:55:09,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 06:55:09" (1/1) ... [2019-12-27 18:55:09,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7843b5cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:55:09, skipping insertion in model container [2019-12-27 18:55:09,364 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 06:55:09" (1/1) ... [2019-12-27 18:55:09,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 18:55:09,435 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 18:55:10,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 18:55:10,040 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 18:55:10,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 18:55:10,238 INFO L208 MainTranslator]: Completed translation [2019-12-27 18:55:10,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:55:10 WrapperNode [2019-12-27 18:55:10,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 18:55:10,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 18:55:10,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 18:55:10,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 18:55:10,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:55:10" (1/1) ... [2019-12-27 18:55:10,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:55:10" (1/1) ... [2019-12-27 18:55:10,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 18:55:10,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 18:55:10,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 18:55:10,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 18:55:10,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:55:10" (1/1) ... [2019-12-27 18:55:10,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:55:10" (1/1) ... [2019-12-27 18:55:10,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:55:10" (1/1) ... [2019-12-27 18:55:10,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:55:10" (1/1) ... [2019-12-27 18:55:10,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:55:10" (1/1) ... [2019-12-27 18:55:10,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:55:10" (1/1) ... [2019-12-27 18:55:10,334 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:55:10" (1/1) ... [2019-12-27 18:55:10,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 18:55:10,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 18:55:10,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 18:55:10,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 18:55:10,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:55:10" (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 [2019-12-27 18:55:10,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 18:55:10,412 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2019-12-27 18:55:10,412 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2019-12-27 18:55:10,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 18:55:10,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 18:55:10,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 18:55:10,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 18:55:10,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-27 18:55:10,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 18:55:10,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 18:55:10,415 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 18:55:10,759 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 18:55:10,759 INFO L287 CfgBuilder]: Removed 12 assume(true) statements. [2019-12-27 18:55:10,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 06:55:10 BoogieIcfgContainer [2019-12-27 18:55:10,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 18:55:10,762 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 18:55:10,763 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 18:55:10,766 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 18:55:10,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 06:55:09" (1/3) ... [2019-12-27 18:55:10,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708a9003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 06:55:10, skipping insertion in model container [2019-12-27 18:55:10,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:55:10" (2/3) ... [2019-12-27 18:55:10,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@708a9003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 06:55:10, skipping insertion in model container [2019-12-27 18:55:10,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 06:55:10" (3/3) ... [2019-12-27 18:55:10,769 INFO L109 eAbstractionObserver]: Analyzing ICFG sssc12.i [2019-12-27 18:55:10,779 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 18:55:10,779 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 18:55:10,787 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 18:55:10,788 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 18:55:10,814 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,814 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,815 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,815 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,815 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,816 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,816 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,816 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,817 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,817 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,817 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,818 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,818 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,818 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,818 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,819 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,819 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,819 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,820 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,820 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,820 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,820 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,821 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,821 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,822 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,822 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,822 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,826 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,827 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,827 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,827 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,828 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,828 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,828 WARN L315 ript$VariableManager]: TermVariabe thrThread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,828 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:10,847 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-27 18:55:10,864 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 18:55:10,864 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 18:55:10,865 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 18:55:10,865 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 18:55:10,865 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 18:55:10,865 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 18:55:10,865 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 18:55:10,866 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 18:55:10,877 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 55 transitions [2019-12-27 18:55:10,879 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 53 places, 55 transitions [2019-12-27 18:55:10,929 INFO L132 PetriNetUnfolder]: 6/64 cut-off events. [2019-12-27 18:55:10,929 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 18:55:10,934 INFO L76 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 64 events. 6/64 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 74 event pairs. 0/55 useless extension candidates. Maximal degree in co-relation 35. Up to 4 conditions per place. [2019-12-27 18:55:10,937 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 53 places, 55 transitions [2019-12-27 18:55:10,964 INFO L132 PetriNetUnfolder]: 6/64 cut-off events. [2019-12-27 18:55:10,964 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 18:55:10,965 INFO L76 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 64 events. 6/64 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 74 event pairs. 0/55 useless extension candidates. Maximal degree in co-relation 35. Up to 4 conditions per place. [2019-12-27 18:55:10,967 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 550 [2019-12-27 18:55:10,968 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 18:55:12,372 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-12-27 18:55:12,703 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-12-27 18:55:12,777 INFO L206 etLargeBlockEncoding]: Checked pairs total: 374 [2019-12-27 18:55:12,778 INFO L214 etLargeBlockEncoding]: Total number of compositions: 53 [2019-12-27 18:55:12,782 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 10 places, 10 transitions [2019-12-27 18:55:12,794 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 24 states. [2019-12-27 18:55:12,796 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2019-12-27 18:55:12,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-27 18:55:12,803 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:55:12,804 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-27 18:55:12,805 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:55:12,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:55:12,811 INFO L82 PathProgramCache]: Analyzing trace with hash 240401217, now seen corresponding path program 1 times [2019-12-27 18:55:12,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:55:12,828 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138326152] [2019-12-27 18:55:12,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:55:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:55:13,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:55:13,075 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138326152] [2019-12-27 18:55:13,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:55:13,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:55:13,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1885135431] [2019-12-27 18:55:13,079 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:55:13,086 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:55:13,099 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 6 states and 5 transitions. [2019-12-27 18:55:13,099 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:55:13,102 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:55:13,103 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 18:55:13,103 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:55:13,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 18:55:13,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 18:55:13,120 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 4 states. [2019-12-27 18:55:13,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:55:13,150 INFO L93 Difference]: Finished difference Result 27 states and 45 transitions. [2019-12-27 18:55:13,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 18:55:13,152 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2019-12-27 18:55:13,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:55:13,161 INFO L225 Difference]: With dead ends: 27 [2019-12-27 18:55:13,162 INFO L226 Difference]: Without dead ends: 27 [2019-12-27 18:55:13,163 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 18:55:13,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-12-27 18:55:13,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 23. [2019-12-27 18:55:13,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-12-27 18:55:13,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 42 transitions. [2019-12-27 18:55:13,196 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 42 transitions. Word has length 5 [2019-12-27 18:55:13,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:55:13,197 INFO L462 AbstractCegarLoop]: Abstraction has 23 states and 42 transitions. [2019-12-27 18:55:13,197 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 18:55:13,197 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 42 transitions. [2019-12-27 18:55:13,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-27 18:55:13,198 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:55:13,198 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-12-27 18:55:13,198 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:55:13,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:55:13,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1137596489, now seen corresponding path program 1 times [2019-12-27 18:55:13,199 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:55:13,199 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403826525] [2019-12-27 18:55:13,199 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:55:13,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 18:55:13,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 18:55:13,272 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 18:55:13,272 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 18:55:13,274 WARN L364 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 18:55:13,274 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2019-12-27 18:55:13,284 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,284 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,285 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,285 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,288 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,288 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,288 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,289 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,289 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,289 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,289 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,289 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,290 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,290 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,290 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,290 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,290 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,291 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,291 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,291 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,292 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,292 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,292 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,292 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,293 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,293 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,293 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,294 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,294 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,294 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,294 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,294 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,294 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,295 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,295 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,295 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,295 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,296 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,296 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,296 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,296 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,296 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,296 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,297 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,297 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,297 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,297 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,297 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,297 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,298 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,298 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,299 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,299 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,301 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,301 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,301 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,302 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,302 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,302 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,302 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,302 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,302 WARN L315 ript$VariableManager]: TermVariabe thrThread1of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,306 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,307 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,307 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,307 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,307 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,307 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,307 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,308 WARN L315 ript$VariableManager]: TermVariabe thrThread2of2ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:13,311 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-27 18:55:13,311 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 18:55:13,311 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 18:55:13,311 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 18:55:13,312 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 18:55:13,312 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 18:55:13,312 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 18:55:13,312 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 18:55:13,312 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 18:55:13,315 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 81 transitions [2019-12-27 18:55:13,316 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 77 places, 81 transitions [2019-12-27 18:55:13,347 INFO L132 PetriNetUnfolder]: 11/100 cut-off events. [2019-12-27 18:55:13,347 INFO L133 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2019-12-27 18:55:13,350 INFO L76 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 100 events. 11/100 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 211 event pairs. 0/84 useless extension candidates. Maximal degree in co-relation 65. Up to 6 conditions per place. [2019-12-27 18:55:13,355 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 77 places, 81 transitions [2019-12-27 18:55:13,396 INFO L132 PetriNetUnfolder]: 11/100 cut-off events. [2019-12-27 18:55:13,396 INFO L133 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2019-12-27 18:55:13,399 INFO L76 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 100 events. 11/100 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 211 event pairs. 0/84 useless extension candidates. Maximal degree in co-relation 65. Up to 6 conditions per place. [2019-12-27 18:55:13,407 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2400 [2019-12-27 18:55:13,408 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 18:55:14,953 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-12-27 18:55:15,024 INFO L206 etLargeBlockEncoding]: Checked pairs total: 5704 [2019-12-27 18:55:15,025 INFO L214 etLargeBlockEncoding]: Total number of compositions: 69 [2019-12-27 18:55:15,025 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 25 places, 27 transitions [2019-12-27 18:55:15,045 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 445 states. [2019-12-27 18:55:15,045 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states. [2019-12-27 18:55:15,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-27 18:55:15,046 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:55:15,046 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:55:15,047 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:55:15,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:55:15,047 INFO L82 PathProgramCache]: Analyzing trace with hash 604516888, now seen corresponding path program 1 times [2019-12-27 18:55:15,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:55:15,048 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376352684] [2019-12-27 18:55:15,048 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:55:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:55:15,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:55:15,100 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376352684] [2019-12-27 18:55:15,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:55:15,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:55:15,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [198666089] [2019-12-27 18:55:15,101 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:55:15,101 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:55:15,103 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 8 states and 7 transitions. [2019-12-27 18:55:15,103 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:55:15,104 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:55:15,104 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 18:55:15,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:55:15,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 18:55:15,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:55:15,105 INFO L87 Difference]: Start difference. First operand 445 states. Second operand 3 states. [2019-12-27 18:55:15,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:55:15,145 INFO L93 Difference]: Finished difference Result 471 states and 1311 transitions. [2019-12-27 18:55:15,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 18:55:15,145 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-12-27 18:55:15,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:55:15,156 INFO L225 Difference]: With dead ends: 471 [2019-12-27 18:55:15,157 INFO L226 Difference]: Without dead ends: 471 [2019-12-27 18:55:15,157 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:55:15,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2019-12-27 18:55:15,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 432. [2019-12-27 18:55:15,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2019-12-27 18:55:15,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 1241 transitions. [2019-12-27 18:55:15,232 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 1241 transitions. Word has length 7 [2019-12-27 18:55:15,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:55:15,233 INFO L462 AbstractCegarLoop]: Abstraction has 432 states and 1241 transitions. [2019-12-27 18:55:15,233 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 18:55:15,233 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 1241 transitions. [2019-12-27 18:55:15,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-27 18:55:15,234 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:55:15,234 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2019-12-27 18:55:15,235 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:55:15,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:55:15,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1710392211, now seen corresponding path program 1 times [2019-12-27 18:55:15,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:55:15,236 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808842620] [2019-12-27 18:55:15,236 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:55:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 18:55:15,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 18:55:15,267 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 18:55:15,268 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 18:55:15,268 WARN L364 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 18:55:15,268 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2019-12-27 18:55:15,275 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,275 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,275 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,275 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,276 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,276 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,276 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,276 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,276 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,276 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,277 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,277 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,277 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,277 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,277 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,278 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,278 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,278 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,278 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,278 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,278 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,279 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,279 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,279 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,279 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,279 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,279 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,280 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,280 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,280 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,280 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,280 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,281 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,281 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,281 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,281 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,281 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,282 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,282 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,282 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,282 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,282 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,282 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,283 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,283 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,283 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,283 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,283 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,283 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,284 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,284 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,284 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,284 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,284 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,285 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,285 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,285 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,285 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,285 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,285 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,286 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,288 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,288 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,288 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,288 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,288 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,289 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,289 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,289 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,289 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,289 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,289 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,290 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,290 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,290 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,290 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,290 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,291 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,291 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,291 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,291 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,292 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,292 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,292 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,292 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,293 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,293 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,293 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,293 WARN L315 ript$VariableManager]: TermVariabe thrThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,304 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,305 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,305 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,305 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,305 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,306 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,306 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,306 WARN L315 ript$VariableManager]: TermVariabe thrThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,308 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,308 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,308 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,308 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of3ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,308 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,308 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,309 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,309 WARN L315 ript$VariableManager]: TermVariabe thrThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:15,310 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-27 18:55:15,310 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 18:55:15,310 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 18:55:15,310 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 18:55:15,310 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 18:55:15,310 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 18:55:15,310 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 18:55:15,310 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 18:55:15,311 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 18:55:15,312 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 107 transitions [2019-12-27 18:55:15,313 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 101 places, 107 transitions [2019-12-27 18:55:15,354 INFO L132 PetriNetUnfolder]: 16/136 cut-off events. [2019-12-27 18:55:15,354 INFO L133 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2019-12-27 18:55:15,357 INFO L76 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 136 events. 16/136 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 371 event pairs. 0/113 useless extension candidates. Maximal degree in co-relation 104. Up to 8 conditions per place. [2019-12-27 18:55:15,364 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 101 places, 107 transitions [2019-12-27 18:55:15,386 INFO L132 PetriNetUnfolder]: 16/136 cut-off events. [2019-12-27 18:55:15,387 INFO L133 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2019-12-27 18:55:15,389 INFO L76 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 136 events. 16/136 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 371 event pairs. 0/113 useless extension candidates. Maximal degree in co-relation 104. Up to 8 conditions per place. [2019-12-27 18:55:15,397 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5550 [2019-12-27 18:55:15,397 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 18:55:17,202 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-12-27 18:55:17,477 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-12-27 18:55:17,553 INFO L206 etLargeBlockEncoding]: Checked pairs total: 12714 [2019-12-27 18:55:17,554 INFO L214 etLargeBlockEncoding]: Total number of compositions: 82 [2019-12-27 18:55:17,554 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 38 transitions [2019-12-27 18:55:17,767 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 4009 states. [2019-12-27 18:55:17,767 INFO L276 IsEmpty]: Start isEmpty. Operand 4009 states. [2019-12-27 18:55:17,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-27 18:55:17,768 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:55:17,768 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:55:17,768 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:55:17,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:55:17,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1832175585, now seen corresponding path program 1 times [2019-12-27 18:55:17,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:55:17,769 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618402568] [2019-12-27 18:55:17,770 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:55:17,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:55:17,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:55:17,839 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618402568] [2019-12-27 18:55:17,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:55:17,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:55:17,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [579849022] [2019-12-27 18:55:17,840 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:55:17,842 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:55:17,843 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 8 states and 7 transitions. [2019-12-27 18:55:17,843 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:55:17,843 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:55:17,843 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 18:55:17,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:55:17,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 18:55:17,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 18:55:17,846 INFO L87 Difference]: Start difference. First operand 4009 states. Second operand 4 states. [2019-12-27 18:55:17,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:55:17,979 INFO L93 Difference]: Finished difference Result 4251 states and 16881 transitions. [2019-12-27 18:55:17,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 18:55:17,980 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-12-27 18:55:17,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:55:18,029 INFO L225 Difference]: With dead ends: 4251 [2019-12-27 18:55:18,029 INFO L226 Difference]: Without dead ends: 4251 [2019-12-27 18:55:18,030 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 18:55:18,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4251 states. [2019-12-27 18:55:18,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4251 to 3897. [2019-12-27 18:55:18,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3897 states. [2019-12-27 18:55:18,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3897 states to 3897 states and 15858 transitions. [2019-12-27 18:55:18,219 INFO L78 Accepts]: Start accepts. Automaton has 3897 states and 15858 transitions. Word has length 7 [2019-12-27 18:55:18,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:55:18,220 INFO L462 AbstractCegarLoop]: Abstraction has 3897 states and 15858 transitions. [2019-12-27 18:55:18,220 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 18:55:18,220 INFO L276 IsEmpty]: Start isEmpty. Operand 3897 states and 15858 transitions. [2019-12-27 18:55:18,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-27 18:55:18,221 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:55:18,221 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:55:18,221 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:55:18,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:55:18,222 INFO L82 PathProgramCache]: Analyzing trace with hash -962867362, now seen corresponding path program 1 times [2019-12-27 18:55:18,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:55:18,222 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058968176] [2019-12-27 18:55:18,222 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:55:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:55:18,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:55:18,302 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058968176] [2019-12-27 18:55:18,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:55:18,302 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 18:55:18,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [41597737] [2019-12-27 18:55:18,302 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:55:18,303 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:55:18,304 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 9 states and 8 transitions. [2019-12-27 18:55:18,304 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:55:18,304 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:55:18,304 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 18:55:18,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:55:18,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 18:55:18,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 18:55:18,305 INFO L87 Difference]: Start difference. First operand 3897 states and 15858 transitions. Second operand 4 states. [2019-12-27 18:55:18,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:55:18,431 INFO L93 Difference]: Finished difference Result 4251 states and 16527 transitions. [2019-12-27 18:55:18,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 18:55:18,432 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-12-27 18:55:18,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:55:18,471 INFO L225 Difference]: With dead ends: 4251 [2019-12-27 18:55:18,471 INFO L226 Difference]: Without dead ends: 4251 [2019-12-27 18:55:18,472 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 18:55:18,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4251 states. [2019-12-27 18:55:18,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4251 to 3897. [2019-12-27 18:55:18,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3897 states. [2019-12-27 18:55:18,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3897 states to 3897 states and 15504 transitions. [2019-12-27 18:55:18,634 INFO L78 Accepts]: Start accepts. Automaton has 3897 states and 15504 transitions. Word has length 8 [2019-12-27 18:55:18,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:55:18,634 INFO L462 AbstractCegarLoop]: Abstraction has 3897 states and 15504 transitions. [2019-12-27 18:55:18,634 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 18:55:18,634 INFO L276 IsEmpty]: Start isEmpty. Operand 3897 states and 15504 transitions. [2019-12-27 18:55:18,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 18:55:18,638 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:55:18,638 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:55:18,638 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:55:18,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:55:18,640 INFO L82 PathProgramCache]: Analyzing trace with hash -1931918432, now seen corresponding path program 1 times [2019-12-27 18:55:18,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:55:18,641 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958691938] [2019-12-27 18:55:18,641 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:55:18,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:55:18,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:55:18,718 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958691938] [2019-12-27 18:55:18,718 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:55:18,718 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:55:18,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [898853434] [2019-12-27 18:55:18,718 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:55:18,719 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:55:18,721 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 11 states and 10 transitions. [2019-12-27 18:55:18,721 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:55:18,721 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:55:18,721 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 18:55:18,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:55:18,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 18:55:18,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 18:55:18,722 INFO L87 Difference]: Start difference. First operand 3897 states and 15504 transitions. Second operand 4 states. [2019-12-27 18:55:18,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:55:18,909 INFO L93 Difference]: Finished difference Result 8263 states and 32465 transitions. [2019-12-27 18:55:18,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 18:55:18,910 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-12-27 18:55:18,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:55:18,966 INFO L225 Difference]: With dead ends: 8263 [2019-12-27 18:55:18,967 INFO L226 Difference]: Without dead ends: 8263 [2019-12-27 18:55:18,967 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 18:55:19,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8263 states. [2019-12-27 18:55:19,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8263 to 5667. [2019-12-27 18:55:19,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5667 states. [2019-12-27 18:55:19,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5667 states to 5667 states and 22919 transitions. [2019-12-27 18:55:19,300 INFO L78 Accepts]: Start accepts. Automaton has 5667 states and 22919 transitions. Word has length 10 [2019-12-27 18:55:19,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:55:19,300 INFO L462 AbstractCegarLoop]: Abstraction has 5667 states and 22919 transitions. [2019-12-27 18:55:19,300 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 18:55:19,301 INFO L276 IsEmpty]: Start isEmpty. Operand 5667 states and 22919 transitions. [2019-12-27 18:55:19,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 18:55:19,302 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:55:19,302 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:55:19,302 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:55:19,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:55:19,303 INFO L82 PathProgramCache]: Analyzing trace with hash 19333085, now seen corresponding path program 1 times [2019-12-27 18:55:19,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:55:19,303 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800314214] [2019-12-27 18:55:19,303 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:55:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:55:19,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-27 18:55:19,333 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800314214] [2019-12-27 18:55:19,333 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:55:19,333 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:55:19,333 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [882114568] [2019-12-27 18:55:19,334 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:55:19,336 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:55:19,337 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 11 states and 10 transitions. [2019-12-27 18:55:19,337 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:55:19,337 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:55:19,337 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 18:55:19,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:55:19,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 18:55:19,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:55:19,338 INFO L87 Difference]: Start difference. First operand 5667 states and 22919 transitions. Second operand 3 states. [2019-12-27 18:55:19,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:55:19,404 INFO L93 Difference]: Finished difference Result 6891 states and 27113 transitions. [2019-12-27 18:55:19,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 18:55:19,405 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-27 18:55:19,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:55:19,433 INFO L225 Difference]: With dead ends: 6891 [2019-12-27 18:55:19,433 INFO L226 Difference]: Without dead ends: 6891 [2019-12-27 18:55:19,434 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:55:19,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6891 states. [2019-12-27 18:55:19,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6891 to 6444. [2019-12-27 18:55:19,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6444 states. [2019-12-27 18:55:19,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6444 states to 6444 states and 25813 transitions. [2019-12-27 18:55:19,652 INFO L78 Accepts]: Start accepts. Automaton has 6444 states and 25813 transitions. Word has length 10 [2019-12-27 18:55:19,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:55:19,653 INFO L462 AbstractCegarLoop]: Abstraction has 6444 states and 25813 transitions. [2019-12-27 18:55:19,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 18:55:19,653 INFO L276 IsEmpty]: Start isEmpty. Operand 6444 states and 25813 transitions. [2019-12-27 18:55:19,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-27 18:55:19,657 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:55:19,657 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:55:19,657 INFO L410 AbstractCegarLoop]: === Iteration 5 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:55:19,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:55:19,658 INFO L82 PathProgramCache]: Analyzing trace with hash 240071677, now seen corresponding path program 1 times [2019-12-27 18:55:19,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:55:19,659 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990613080] [2019-12-27 18:55:19,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:55:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:55:19,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:55:19,818 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990613080] [2019-12-27 18:55:19,818 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508820082] [2019-12-27 18:55:19,818 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 18:55:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:55:19,879 INFO L264 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-27 18:55:19,881 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-27 18:55:19,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:55:19,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-27 18:55:19,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 9 [2019-12-27 18:55:19,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1002748902] [2019-12-27 18:55:19,925 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:55:19,926 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:55:19,927 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 12 states and 11 transitions. [2019-12-27 18:55:19,927 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:55:19,928 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:55:19,928 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-27 18:55:19,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:55:19,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-27 18:55:19,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2019-12-27 18:55:19,929 INFO L87 Difference]: Start difference. First operand 6444 states and 25813 transitions. Second operand 7 states. [2019-12-27 18:55:20,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:55:20,376 INFO L93 Difference]: Finished difference Result 12229 states and 46877 transitions. [2019-12-27 18:55:20,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-27 18:55:20,377 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2019-12-27 18:55:20,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:55:20,429 INFO L225 Difference]: With dead ends: 12229 [2019-12-27 18:55:20,429 INFO L226 Difference]: Without dead ends: 12229 [2019-12-27 18:55:20,430 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2019-12-27 18:55:20,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12229 states. [2019-12-27 18:55:20,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12229 to 7866. [2019-12-27 18:55:20,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7866 states. [2019-12-27 18:55:21,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7866 states to 7866 states and 30861 transitions. [2019-12-27 18:55:21,425 INFO L78 Accepts]: Start accepts. Automaton has 7866 states and 30861 transitions. Word has length 11 [2019-12-27 18:55:21,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:55:21,425 INFO L462 AbstractCegarLoop]: Abstraction has 7866 states and 30861 transitions. [2019-12-27 18:55:21,425 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-27 18:55:21,425 INFO L276 IsEmpty]: Start isEmpty. Operand 7866 states and 30861 transitions. [2019-12-27 18:55:21,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-27 18:55:21,427 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:55:21,427 INFO L411 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2019-12-27 18:55:21,630 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 18:55:21,630 INFO L410 AbstractCegarLoop]: === Iteration 6 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:55:21,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:55:21,630 INFO L82 PathProgramCache]: Analyzing trace with hash 749189922, now seen corresponding path program 1 times [2019-12-27 18:55:21,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:55:21,631 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277088867] [2019-12-27 18:55:21,631 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:55:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 18:55:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 18:55:21,671 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 18:55:21,671 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 18:55:21,674 WARN L364 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 18:55:21,674 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2019-12-27 18:55:21,684 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,685 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,685 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,685 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,685 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,686 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,686 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,686 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,686 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,686 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,686 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,687 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,687 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,687 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,687 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,688 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,688 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,688 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,688 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,688 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,688 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,688 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,690 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,690 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,691 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,691 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,691 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,691 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,692 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,692 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,692 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,692 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,692 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,692 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,692 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,693 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,693 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,693 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,693 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,693 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,694 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,694 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,694 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,694 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,694 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,694 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,695 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,695 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,695 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,695 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,695 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,695 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,695 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,696 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,698 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,698 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,698 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,698 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,698 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,699 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,699 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,699 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,699 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,699 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,699 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,699 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,700 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,700 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,700 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,700 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,700 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,700 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,700 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,701 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,701 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,701 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,701 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,701 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,701 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,702 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,702 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,702 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,702 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,702 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,702 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,703 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,703 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,703 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,703 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,703 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,703 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,703 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,704 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,704 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,704 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,704 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,704 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,704 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,704 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,705 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,705 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,705 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,705 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,705 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,705 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,705 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,706 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,706 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,707 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,707 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,707 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,707 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,707 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,707 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,708 WARN L315 ript$VariableManager]: TermVariabe thrThread1of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,708 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,709 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,709 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,709 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,709 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,709 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,710 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,710 WARN L315 ript$VariableManager]: TermVariabe thrThread2of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,710 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,712 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,712 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,712 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,712 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,713 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,713 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,713 WARN L315 ript$VariableManager]: TermVariabe thrThread3of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,713 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,714 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,714 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,714 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,715 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,715 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,715 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,715 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,715 WARN L315 ript$VariableManager]: TermVariabe thrThread4of4ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:55:21,716 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 18:55:21,716 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 18:55:21,717 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 18:55:21,717 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 18:55:21,717 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 18:55:21,717 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 18:55:21,717 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 18:55:21,717 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 18:55:21,717 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 18:55:21,721 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 133 transitions [2019-12-27 18:55:21,721 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 125 places, 133 transitions [2019-12-27 18:55:21,749 INFO L132 PetriNetUnfolder]: 21/172 cut-off events. [2019-12-27 18:55:21,750 INFO L133 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2019-12-27 18:55:21,755 INFO L76 FinitePrefix]: Finished finitePrefix Result has 195 conditions, 172 events. 21/172 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 534 event pairs. 0/142 useless extension candidates. Maximal degree in co-relation 144. Up to 10 conditions per place. [2019-12-27 18:55:21,769 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 125 places, 133 transitions [2019-12-27 18:55:21,795 INFO L132 PetriNetUnfolder]: 21/172 cut-off events. [2019-12-27 18:55:21,795 INFO L133 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2019-12-27 18:55:21,799 INFO L76 FinitePrefix]: Finished finitePrefix Result has 195 conditions, 172 events. 21/172 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 534 event pairs. 0/142 useless extension candidates. Maximal degree in co-relation 144. Up to 10 conditions per place. [2019-12-27 18:55:21,813 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 10000 [2019-12-27 18:55:21,814 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 18:55:24,082 INFO L206 etLargeBlockEncoding]: Checked pairs total: 24541 [2019-12-27 18:55:24,082 INFO L214 etLargeBlockEncoding]: Total number of compositions: 103 [2019-12-27 18:55:24,083 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 49 transitions [2019-12-27 18:55:27,185 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 36085 states. [2019-12-27 18:55:27,185 INFO L276 IsEmpty]: Start isEmpty. Operand 36085 states. [2019-12-27 18:55:27,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-27 18:55:27,186 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:55:27,186 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:55:27,186 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:55:27,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:55:27,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1633579693, now seen corresponding path program 1 times [2019-12-27 18:55:27,187 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:55:27,187 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542366882] [2019-12-27 18:55:27,187 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:55:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:55:27,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:55:27,219 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542366882] [2019-12-27 18:55:27,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:55:27,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:55:27,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [193307986] [2019-12-27 18:55:27,219 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:55:27,220 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:55:27,220 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 8 states and 7 transitions. [2019-12-27 18:55:27,221 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:55:27,221 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:55:27,221 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 18:55:27,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:55:27,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 18:55:27,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 18:55:27,222 INFO L87 Difference]: Start difference. First operand 36085 states. Second operand 4 states. [2019-12-27 18:55:27,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:55:27,840 INFO L93 Difference]: Finished difference Result 38271 states and 194460 transitions. [2019-12-27 18:55:27,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 18:55:27,841 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-12-27 18:55:27,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:55:28,069 INFO L225 Difference]: With dead ends: 38271 [2019-12-27 18:55:28,069 INFO L226 Difference]: Without dead ends: 38271 [2019-12-27 18:55:28,069 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 18:55:28,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38271 states. [2019-12-27 18:55:30,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38271 to 35082. [2019-12-27 18:55:30,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35082 states. [2019-12-27 18:55:31,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35082 states to 35082 states and 181710 transitions. [2019-12-27 18:55:31,210 INFO L78 Accepts]: Start accepts. Automaton has 35082 states and 181710 transitions. Word has length 7 [2019-12-27 18:55:31,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:55:31,210 INFO L462 AbstractCegarLoop]: Abstraction has 35082 states and 181710 transitions. [2019-12-27 18:55:31,210 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 18:55:31,210 INFO L276 IsEmpty]: Start isEmpty. Operand 35082 states and 181710 transitions. [2019-12-27 18:55:31,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-27 18:55:31,211 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:55:31,211 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:55:31,211 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:55:31,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:55:31,211 INFO L82 PathProgramCache]: Analyzing trace with hash -898635843, now seen corresponding path program 1 times [2019-12-27 18:55:31,211 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:55:31,212 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340510834] [2019-12-27 18:55:31,212 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:55:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:55:31,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:55:31,246 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340510834] [2019-12-27 18:55:31,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:55:31,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 18:55:31,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [18243959] [2019-12-27 18:55:31,247 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:55:31,248 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:55:31,248 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 9 states and 8 transitions. [2019-12-27 18:55:31,248 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:55:31,249 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:55:31,249 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 18:55:31,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:55:31,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 18:55:31,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 18:55:31,250 INFO L87 Difference]: Start difference. First operand 35082 states and 181710 transitions. Second operand 4 states. [2019-12-27 18:55:31,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:55:31,474 INFO L93 Difference]: Finished difference Result 38271 states and 191271 transitions. [2019-12-27 18:55:31,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 18:55:31,474 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 8 [2019-12-27 18:55:31,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:55:31,622 INFO L225 Difference]: With dead ends: 38271 [2019-12-27 18:55:31,622 INFO L226 Difference]: Without dead ends: 38271 [2019-12-27 18:55:31,623 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 18:55:34,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38271 states. [2019-12-27 18:55:35,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38271 to 35082. [2019-12-27 18:55:35,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35082 states. [2019-12-27 18:55:35,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35082 states to 35082 states and 178521 transitions. [2019-12-27 18:55:35,570 INFO L78 Accepts]: Start accepts. Automaton has 35082 states and 178521 transitions. Word has length 8 [2019-12-27 18:55:35,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:55:35,570 INFO L462 AbstractCegarLoop]: Abstraction has 35082 states and 178521 transitions. [2019-12-27 18:55:35,570 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 18:55:35,570 INFO L276 IsEmpty]: Start isEmpty. Operand 35082 states and 178521 transitions. [2019-12-27 18:55:35,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 18:55:35,571 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:55:35,571 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:55:35,571 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:55:35,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:55:35,571 INFO L82 PathProgramCache]: Analyzing trace with hash -704687764, now seen corresponding path program 1 times [2019-12-27 18:55:35,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:55:35,572 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473807311] [2019-12-27 18:55:35,572 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:55:35,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:55:35,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-27 18:55:35,608 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473807311] [2019-12-27 18:55:35,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:55:35,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:55:35,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [147817570] [2019-12-27 18:55:35,608 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:55:35,609 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:55:35,610 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 11 states and 10 transitions. [2019-12-27 18:55:35,610 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:55:35,610 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:55:35,610 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 18:55:35,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:55:35,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 18:55:35,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 18:55:35,611 INFO L87 Difference]: Start difference. First operand 35082 states and 178521 transitions. Second operand 4 states. [2019-12-27 18:55:36,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:55:36,147 INFO L93 Difference]: Finished difference Result 46764 states and 236706 transitions. [2019-12-27 18:55:36,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 18:55:36,147 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-12-27 18:55:36,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:55:36,374 INFO L225 Difference]: With dead ends: 46764 [2019-12-27 18:55:36,375 INFO L226 Difference]: Without dead ends: 46764 [2019-12-27 18:55:36,375 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-27 18:55:38,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46764 states. [2019-12-27 18:55:39,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46764 to 42870. [2019-12-27 18:55:39,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42870 states. [2019-12-27 18:55:39,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42870 states to 42870 states and 221205 transitions. [2019-12-27 18:55:39,857 INFO L78 Accepts]: Start accepts. Automaton has 42870 states and 221205 transitions. Word has length 10 [2019-12-27 18:55:39,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:55:39,858 INFO L462 AbstractCegarLoop]: Abstraction has 42870 states and 221205 transitions. [2019-12-27 18:55:39,858 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 18:55:39,858 INFO L276 IsEmpty]: Start isEmpty. Operand 42870 states and 221205 transitions. [2019-12-27 18:55:39,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 18:55:39,859 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:55:39,859 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:55:39,859 INFO L410 AbstractCegarLoop]: === Iteration 4 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:55:39,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:55:39,859 INFO L82 PathProgramCache]: Analyzing trace with hash -336469552, now seen corresponding path program 1 times [2019-12-27 18:55:39,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:55:39,860 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427843575] [2019-12-27 18:55:39,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:55:39,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:55:39,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:55:39,904 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427843575] [2019-12-27 18:55:39,904 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:55:39,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:55:39,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [865907971] [2019-12-27 18:55:39,904 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:55:39,905 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:55:39,906 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 11 states and 10 transitions. [2019-12-27 18:55:39,906 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:55:39,906 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:55:39,906 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 18:55:39,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:55:39,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 18:55:39,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 18:55:39,907 INFO L87 Difference]: Start difference. First operand 42870 states and 221205 transitions. Second operand 4 states. [2019-12-27 18:55:41,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:55:41,154 INFO L93 Difference]: Finished difference Result 94681 states and 484517 transitions. [2019-12-27 18:55:41,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 18:55:41,154 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-12-27 18:55:41,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:55:41,494 INFO L225 Difference]: With dead ends: 94681 [2019-12-27 18:55:41,495 INFO L226 Difference]: Without dead ends: 94681 [2019-12-27 18:55:41,495 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 18:55:45,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94681 states. [2019-12-27 18:55:46,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94681 to 64113. [2019-12-27 18:55:46,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64113 states. [2019-12-27 18:55:47,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64113 states to 64113 states and 334802 transitions. [2019-12-27 18:55:47,187 INFO L78 Accepts]: Start accepts. Automaton has 64113 states and 334802 transitions. Word has length 10 [2019-12-27 18:55:47,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:55:47,187 INFO L462 AbstractCegarLoop]: Abstraction has 64113 states and 334802 transitions. [2019-12-27 18:55:47,187 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 18:55:47,187 INFO L276 IsEmpty]: Start isEmpty. Operand 64113 states and 334802 transitions. [2019-12-27 18:55:47,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-27 18:55:47,188 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:55:47,188 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:55:47,188 INFO L410 AbstractCegarLoop]: === Iteration 5 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:55:47,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:55:47,188 INFO L82 PathProgramCache]: Analyzing trace with hash -370482893, now seen corresponding path program 1 times [2019-12-27 18:55:47,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:55:47,189 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98664122] [2019-12-27 18:55:47,189 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:55:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:55:47,233 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-27 18:55:47,234 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98664122] [2019-12-27 18:55:47,234 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944152292] [2019-12-27 18:55:47,234 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 18:55:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:55:47,290 INFO L264 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-27 18:55:47,291 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-27 18:55:47,311 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-27 18:55:47,311 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-27 18:55:47,311 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 6 [2019-12-27 18:55:47,311 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1918001572] [2019-12-27 18:55:47,312 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:55:47,313 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:55:47,313 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 12 states and 11 transitions. [2019-12-27 18:55:47,313 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:55:47,314 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:55:47,314 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 18:55:47,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:55:47,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 18:55:47,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-27 18:55:47,315 INFO L87 Difference]: Start difference. First operand 64113 states and 334802 transitions. Second operand 3 states. [2019-12-27 18:55:47,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:55:47,752 INFO L93 Difference]: Finished difference Result 66591 states and 335413 transitions. [2019-12-27 18:55:47,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 18:55:47,752 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-12-27 18:55:47,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:55:47,978 INFO L225 Difference]: With dead ends: 66591 [2019-12-27 18:55:47,978 INFO L226 Difference]: Without dead ends: 66591 [2019-12-27 18:55:47,978 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-27 18:55:49,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66591 states. [2019-12-27 18:55:53,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66591 to 61989. [2019-12-27 18:55:53,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61989 states. [2019-12-27 18:55:53,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61989 states to 61989 states and 316982 transitions. [2019-12-27 18:55:53,670 INFO L78 Accepts]: Start accepts. Automaton has 61989 states and 316982 transitions. Word has length 11 [2019-12-27 18:55:53,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:55:53,670 INFO L462 AbstractCegarLoop]: Abstraction has 61989 states and 316982 transitions. [2019-12-27 18:55:53,670 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 18:55:53,670 INFO L276 IsEmpty]: Start isEmpty. Operand 61989 states and 316982 transitions. [2019-12-27 18:55:53,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-27 18:55:53,671 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:55:53,671 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:55:53,871 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 18:55:53,872 INFO L410 AbstractCegarLoop]: === Iteration 6 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:55:53,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:55:53,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1840620294, now seen corresponding path program 1 times [2019-12-27 18:55:53,873 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:55:53,873 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953038422] [2019-12-27 18:55:53,874 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:55:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:55:54,428 WARN L192 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2019-12-27 18:55:54,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:55:54,429 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953038422] [2019-12-27 18:55:54,432 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864874563] [2019-12-27 18:55:54,432 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 18:55:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:55:54,489 INFO L264 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-27 18:55:54,489 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-27 18:55:54,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:55:54,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-27 18:55:54,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 9 [2019-12-27 18:55:54,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1156247435] [2019-12-27 18:55:54,535 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:55:54,536 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:55:54,536 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 12 states and 11 transitions. [2019-12-27 18:55:54,537 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:55:54,537 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:55:54,537 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-27 18:55:54,537 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:55:54,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-27 18:55:54,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2019-12-27 18:55:54,538 INFO L87 Difference]: Start difference. First operand 61989 states and 316982 transitions. Second operand 7 states. [2019-12-27 18:55:59,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:55:59,220 INFO L93 Difference]: Finished difference Result 132647 states and 650051 transitions. [2019-12-27 18:55:59,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-27 18:55:59,220 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2019-12-27 18:55:59,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:55:59,686 INFO L225 Difference]: With dead ends: 132647 [2019-12-27 18:55:59,686 INFO L226 Difference]: Without dead ends: 132647 [2019-12-27 18:55:59,686 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2019-12-27 18:56:00,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132647 states. [2019-12-27 18:56:02,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132647 to 89622. [2019-12-27 18:56:02,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89622 states. [2019-12-27 18:56:02,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89622 states to 89622 states and 448031 transitions. [2019-12-27 18:56:02,843 INFO L78 Accepts]: Start accepts. Automaton has 89622 states and 448031 transitions. Word has length 11 [2019-12-27 18:56:02,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:56:02,843 INFO L462 AbstractCegarLoop]: Abstraction has 89622 states and 448031 transitions. [2019-12-27 18:56:02,844 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-27 18:56:02,844 INFO L276 IsEmpty]: Start isEmpty. Operand 89622 states and 448031 transitions. [2019-12-27 18:56:02,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-27 18:56:02,845 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:56:02,845 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:56:03,048 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-27 18:56:03,049 INFO L410 AbstractCegarLoop]: === Iteration 7 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:56:03,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:56:03,049 INFO L82 PathProgramCache]: Analyzing trace with hash 413300680, now seen corresponding path program 1 times [2019-12-27 18:56:03,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:56:03,050 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297600807] [2019-12-27 18:56:03,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:56:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:56:03,916 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-27 18:56:03,917 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297600807] [2019-12-27 18:56:03,919 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:56:03,919 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:56:03,919 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1636588346] [2019-12-27 18:56:03,919 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:56:03,920 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:56:03,921 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 14 states and 13 transitions. [2019-12-27 18:56:03,921 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:56:03,921 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:56:03,922 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 18:56:03,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:56:03,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 18:56:03,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 18:56:03,922 INFO L87 Difference]: Start difference. First operand 89622 states and 448031 transitions. Second operand 4 states. [2019-12-27 18:56:09,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:56:09,902 INFO L93 Difference]: Finished difference Result 153173 states and 765589 transitions. [2019-12-27 18:56:09,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 18:56:09,902 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-12-27 18:56:09,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:56:10,494 INFO L225 Difference]: With dead ends: 153173 [2019-12-27 18:56:10,495 INFO L226 Difference]: Without dead ends: 153173 [2019-12-27 18:56:10,495 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 18:56:11,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153173 states. [2019-12-27 18:56:13,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153173 to 117075. [2019-12-27 18:56:13,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117075 states. [2019-12-27 18:56:15,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117075 states to 117075 states and 591630 transitions. [2019-12-27 18:56:15,338 INFO L78 Accepts]: Start accepts. Automaton has 117075 states and 591630 transitions. Word has length 13 [2019-12-27 18:56:15,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:56:15,339 INFO L462 AbstractCegarLoop]: Abstraction has 117075 states and 591630 transitions. [2019-12-27 18:56:15,339 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 18:56:15,339 INFO L276 IsEmpty]: Start isEmpty. Operand 117075 states and 591630 transitions. [2019-12-27 18:56:15,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-27 18:56:15,341 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:56:15,341 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:56:15,341 INFO L410 AbstractCegarLoop]: === Iteration 8 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:56:15,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:56:15,341 INFO L82 PathProgramCache]: Analyzing trace with hash -2009219030, now seen corresponding path program 1 times [2019-12-27 18:56:15,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:56:15,342 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573941697] [2019-12-27 18:56:15,342 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:56:15,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:56:15,381 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-27 18:56:15,382 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573941697] [2019-12-27 18:56:15,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:56:15,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:56:15,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [768071959] [2019-12-27 18:56:15,382 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:56:15,383 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:56:15,384 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 14 states and 13 transitions. [2019-12-27 18:56:15,384 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:56:15,385 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:56:15,385 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 18:56:15,385 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:56:15,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 18:56:15,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:56:15,386 INFO L87 Difference]: Start difference. First operand 117075 states and 591630 transitions. Second operand 3 states. [2019-12-27 18:56:16,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:56:16,287 INFO L93 Difference]: Finished difference Result 139151 states and 694235 transitions. [2019-12-27 18:56:16,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 18:56:16,287 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-12-27 18:56:16,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:56:18,169 INFO L225 Difference]: With dead ends: 139151 [2019-12-27 18:56:18,170 INFO L226 Difference]: Without dead ends: 139151 [2019-12-27 18:56:18,170 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:56:18,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139151 states. [2019-12-27 18:56:29,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139151 to 131143. [2019-12-27 18:56:29,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131143 states. [2019-12-27 18:56:29,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131143 states to 131143 states and 661673 transitions. [2019-12-27 18:56:29,560 INFO L78 Accepts]: Start accepts. Automaton has 131143 states and 661673 transitions. Word has length 13 [2019-12-27 18:56:29,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:56:29,561 INFO L462 AbstractCegarLoop]: Abstraction has 131143 states and 661673 transitions. [2019-12-27 18:56:29,561 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 18:56:29,561 INFO L276 IsEmpty]: Start isEmpty. Operand 131143 states and 661673 transitions. [2019-12-27 18:56:29,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 18:56:29,563 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:56:29,564 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:56:29,564 INFO L410 AbstractCegarLoop]: === Iteration 9 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:56:29,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:56:29,564 INFO L82 PathProgramCache]: Analyzing trace with hash -72579497, now seen corresponding path program 1 times [2019-12-27 18:56:29,564 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:56:29,565 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019519491] [2019-12-27 18:56:29,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:56:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:56:29,597 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-27 18:56:29,598 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019519491] [2019-12-27 18:56:29,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:56:29,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-27 18:56:29,598 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [322447710] [2019-12-27 18:56:29,598 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:56:29,599 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:56:29,603 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 15 states and 14 transitions. [2019-12-27 18:56:29,604 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:56:29,604 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:56:29,604 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 18:56:29,604 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:56:29,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 18:56:29,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 18:56:29,605 INFO L87 Difference]: Start difference. First operand 131143 states and 661673 transitions. Second operand 5 states. [2019-12-27 18:56:38,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:56:38,471 INFO L93 Difference]: Finished difference Result 268776 states and 1340722 transitions. [2019-12-27 18:56:38,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-27 18:56:38,472 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-12-27 18:56:38,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:56:39,392 INFO L225 Difference]: With dead ends: 268776 [2019-12-27 18:56:39,392 INFO L226 Difference]: Without dead ends: 268776 [2019-12-27 18:56:39,392 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-27 18:56:41,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268776 states. [2019-12-27 18:56:46,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268776 to 174632. [2019-12-27 18:56:46,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174632 states. [2019-12-27 18:56:46,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174632 states to 174632 states and 885822 transitions. [2019-12-27 18:56:46,937 INFO L78 Accepts]: Start accepts. Automaton has 174632 states and 885822 transitions. Word has length 14 [2019-12-27 18:56:46,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:56:46,938 INFO L462 AbstractCegarLoop]: Abstraction has 174632 states and 885822 transitions. [2019-12-27 18:56:46,938 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 18:56:46,938 INFO L276 IsEmpty]: Start isEmpty. Operand 174632 states and 885822 transitions. [2019-12-27 18:56:46,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-27 18:56:46,941 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:56:46,941 INFO L411 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1] [2019-12-27 18:56:46,941 INFO L410 AbstractCegarLoop]: === Iteration 10 === [thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:56:46,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:56:46,941 INFO L82 PathProgramCache]: Analyzing trace with hash 319594202, now seen corresponding path program 1 times [2019-12-27 18:56:46,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:56:46,942 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192074576] [2019-12-27 18:56:46,942 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:56:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 18:56:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 18:56:46,960 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 18:56:46,960 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 18:56:46,960 WARN L364 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 18:56:46,960 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2019-12-27 18:56:46,973 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,973 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,973 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,973 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,973 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,974 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,974 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,974 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,974 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,974 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,974 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,975 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,975 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,975 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,975 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,975 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,975 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,975 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,976 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,976 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,976 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,976 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,976 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,976 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,976 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,977 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,977 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,977 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,977 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,977 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,977 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,977 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,978 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,978 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,978 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,978 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,978 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,978 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,978 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,979 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,979 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,979 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,979 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,979 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,979 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,979 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,980 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,980 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,980 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,980 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,980 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,980 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,980 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,981 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,981 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,981 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,981 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,981 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,981 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,981 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,982 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,982 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,982 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,982 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,982 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,982 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,982 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,983 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,983 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,983 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,983 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,983 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,983 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,983 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,984 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,984 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,984 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,984 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,984 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,984 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,984 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,985 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,985 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,985 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,985 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,985 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,985 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,985 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,986 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,986 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,986 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,986 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,986 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,986 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,986 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,987 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,987 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,987 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,987 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,987 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,987 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,987 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,988 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,988 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,988 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,988 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,988 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,988 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,988 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,989 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,989 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,989 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,989 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,989 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,989 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,989 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,989 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,990 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,990 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,990 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,990 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,990 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,990 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,990 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,991 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,991 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,991 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,991 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,991 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,991 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,991 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,991 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,992 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,992 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,992 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,992 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,992 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,993 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,993 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,993 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,993 WARN L315 ript$VariableManager]: TermVariabe thrThread1of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,993 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:46,993 WARN L315 ript$VariableManager]: TermVariabe |thrThread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,003 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,003 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,003 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,003 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,003 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,004 WARN L315 ript$VariableManager]: TermVariabe |thrThread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,004 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,004 WARN L315 ript$VariableManager]: TermVariabe thrThread2of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,005 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,005 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,005 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,005 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,005 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,005 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,005 WARN L315 ript$VariableManager]: TermVariabe thrThread3of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,005 WARN L315 ript$VariableManager]: TermVariabe |thrThread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,006 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,006 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,007 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,007 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,007 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,007 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,007 WARN L315 ript$VariableManager]: TermVariabe thrThread4of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,007 WARN L315 ript$VariableManager]: TermVariabe |thrThread4of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,009 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,009 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,009 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,009 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,009 WARN L315 ript$VariableManager]: TermVariabe |thrThread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,009 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~end~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,009 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,009 WARN L315 ript$VariableManager]: TermVariabe thrThread5of5ForFork0_~c~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:56:47,010 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-27 18:56:47,010 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 18:56:47,010 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 18:56:47,011 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 18:56:47,011 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 18:56:47,011 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 18:56:47,011 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 18:56:47,011 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 18:56:47,011 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 18:56:47,014 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 149 places, 159 transitions [2019-12-27 18:56:47,014 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 149 places, 159 transitions [2019-12-27 18:56:47,056 INFO L132 PetriNetUnfolder]: 26/208 cut-off events. [2019-12-27 18:56:47,056 INFO L133 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2019-12-27 18:56:47,065 INFO L76 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 208 events. 26/208 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 676 event pairs. 0/171 useless extension candidates. Maximal degree in co-relation 185. Up to 12 conditions per place. [2019-12-27 18:56:47,086 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 149 places, 159 transitions [2019-12-27 18:56:47,126 INFO L132 PetriNetUnfolder]: 26/208 cut-off events. [2019-12-27 18:56:47,126 INFO L133 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2019-12-27 18:56:47,135 INFO L76 FinitePrefix]: Finished finitePrefix Result has 239 conditions, 208 events. 26/208 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 676 event pairs. 0/171 useless extension candidates. Maximal degree in co-relation 185. Up to 12 conditions per place. [2019-12-27 18:56:47,157 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 15750 [2019-12-27 18:56:47,157 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 18:56:49,513 WARN L192 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 10 [2019-12-27 18:56:51,229 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-12-27 18:56:51,296 INFO L206 etLargeBlockEncoding]: Checked pairs total: 40338 [2019-12-27 18:56:51,297 INFO L214 etLargeBlockEncoding]: Total number of compositions: 128 [2019-12-27 18:56:51,297 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 55 places, 60 transitions Received shutdown request... [2019-12-27 18:58:55,079 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-27 18:58:55,081 WARN L227 ceAbstractionStarter]: Timeout [2019-12-27 18:58:55,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 06:58:55 BasicIcfg [2019-12-27 18:58:55,082 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 18:58:55,083 INFO L168 Benchmark]: Toolchain (without parser) took 225729.54 ms. Allocated memory was 140.0 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 103.4 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 3.5 GB. Max. memory is 7.1 GB. [2019-12-27 18:58:55,084 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 140.0 MB. Free memory was 123.2 MB in the beginning and 123.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-12-27 18:58:55,085 INFO L168 Benchmark]: CACSL2BoogieTranslator took 883.83 ms. Allocated memory was 140.0 MB in the beginning and 206.0 MB in the end (delta: 66.1 MB). Free memory was 103.2 MB in the beginning and 138.0 MB in the end (delta: -34.9 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. [2019-12-27 18:58:55,085 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.70 ms. Allocated memory is still 206.0 MB. Free memory was 138.0 MB in the beginning and 135.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-12-27 18:58:55,086 INFO L168 Benchmark]: Boogie Preprocessor took 35.53 ms. Allocated memory is still 206.0 MB. Free memory was 135.4 MB in the beginning and 134.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-27 18:58:55,086 INFO L168 Benchmark]: RCFGBuilder took 421.81 ms. Allocated memory is still 206.0 MB. Free memory was 134.0 MB in the beginning and 113.7 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-12-27 18:58:55,087 INFO L168 Benchmark]: TraceAbstraction took 224319.63 ms. Allocated memory was 206.0 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 113.7 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 3.5 GB. Max. memory is 7.1 GB. [2019-12-27 18:58:55,090 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 140.0 MB. Free memory was 123.2 MB in the beginning and 123.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 883.83 ms. Allocated memory was 140.0 MB in the beginning and 206.0 MB in the end (delta: 66.1 MB). Free memory was 103.2 MB in the beginning and 138.0 MB in the end (delta: -34.9 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 62.70 ms. Allocated memory is still 206.0 MB. Free memory was 138.0 MB in the beginning and 135.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 35.53 ms. Allocated memory is still 206.0 MB. Free memory was 135.4 MB in the beginning and 134.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 421.81 ms. Allocated memory is still 206.0 MB. Free memory was 134.0 MB in the beginning and 113.7 MB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 224319.63 ms. Allocated memory was 206.0 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 113.7 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 3.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.9s, 53 ProgramPointsBefore, 10 ProgramPointsAfterwards, 55 TransitionsBefore, 10 TransitionsAfterwards, 550 CoEnabledTransitionPairs, 6 FixpointIterations, 17 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 4 ChoiceCompositions, 271 VarBasedMoverChecksPositive, 2 VarBasedMoverChecksNegative, 2 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 374 CheckedPairsTotal, 53 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.7s, 77 ProgramPointsBefore, 25 ProgramPointsAfterwards, 81 TransitionsBefore, 27 TransitionsAfterwards, 2400 CoEnabledTransitionPairs, 7 FixpointIterations, 17 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 5 ChoiceCompositions, 1238 VarBasedMoverChecksPositive, 29 VarBasedMoverChecksNegative, 17 SemBasedMoverChecksPositive, 22 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 5704 CheckedPairsTotal, 69 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.2s, 101 ProgramPointsBefore, 35 ProgramPointsAfterwards, 107 TransitionsBefore, 38 TransitionsAfterwards, 5550 CoEnabledTransitionPairs, 7 FixpointIterations, 17 TrivialSequentialCompositions, 51 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 14 ConcurrentYvCompositions, 7 ChoiceCompositions, 2619 VarBasedMoverChecksPositive, 51 VarBasedMoverChecksNegative, 29 SemBasedMoverChecksPositive, 39 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 0 MoverChecksTotal, 12714 CheckedPairsTotal, 82 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.3s, 125 ProgramPointsBefore, 45 ProgramPointsAfterwards, 133 TransitionsBefore, 49 TransitionsAfterwards, 10000 CoEnabledTransitionPairs, 7 FixpointIterations, 17 TrivialSequentialCompositions, 67 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 19 ConcurrentYvCompositions, 9 ChoiceCompositions, 4756 VarBasedMoverChecksPositive, 93 VarBasedMoverChecksNegative, 66 SemBasedMoverChecksPositive, 56 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 0 MoverChecksTotal, 24541 CheckedPairsTotal, 103 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.2s, 149 ProgramPointsBefore, 55 ProgramPointsAfterwards, 159 TransitionsBefore, 60 TransitionsAfterwards, 15750 CoEnabledTransitionPairs, 7 FixpointIterations, 17 TrivialSequentialCompositions, 85 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 26 ConcurrentYvCompositions, 11 ChoiceCompositions, 7369 VarBasedMoverChecksPositive, 126 VarBasedMoverChecksNegative, 97 SemBasedMoverChecksPositive, 70 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 0 MoverChecksTotal, 40338 CheckedPairsTotal, 128 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 984]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 984). Cancelled while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 55 places, 60 transitions. Already constructed 281585 states. Currently 27715 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Result: TIMEOUT, OverallTime: 128.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown