/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-ext/40_barrier_vf.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-bf4350c [2020-09-16 14:35:38,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-16 14:35:38,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-16 14:35:38,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-16 14:35:38,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-16 14:35:38,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-16 14:35:38,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-16 14:35:38,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-16 14:35:38,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-16 14:35:38,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-16 14:35:38,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-16 14:35:38,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-16 14:35:38,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-16 14:35:38,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-16 14:35:38,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-16 14:35:38,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-16 14:35:38,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-16 14:35:38,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-16 14:35:38,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-16 14:35:38,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-16 14:35:38,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-16 14:35:38,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-16 14:35:38,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-16 14:35:38,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-16 14:35:38,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-16 14:35:38,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-16 14:35:38,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-16 14:35:38,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-16 14:35:38,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-16 14:35:38,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-16 14:35:38,967 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-16 14:35:38,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-16 14:35:38,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-16 14:35:38,969 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-16 14:35:38,970 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-16 14:35:38,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-16 14:35:38,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-16 14:35:38,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-16 14:35:38,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-16 14:35:38,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-16 14:35:38,973 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-16 14:35:38,974 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-16 14:35:38,999 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-16 14:35:39,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-16 14:35:39,001 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-16 14:35:39,001 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-16 14:35:39,002 INFO L138 SettingsManager]: * Use SBE=true [2020-09-16 14:35:39,002 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-16 14:35:39,002 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-16 14:35:39,002 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-16 14:35:39,002 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-16 14:35:39,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-16 14:35:39,003 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-16 14:35:39,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-16 14:35:39,003 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-16 14:35:39,003 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-16 14:35:39,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-16 14:35:39,004 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-16 14:35:39,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-16 14:35:39,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-16 14:35:39,004 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-16 14:35:39,005 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-16 14:35:39,005 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-16 14:35:39,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-16 14:35:39,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-16 14:35:39,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-16 14:35:39,006 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-16 14:35:39,006 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-16 14:35:39,006 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-16 14:35:39,006 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-16 14:35:39,006 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-16 14:35:39,007 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-16 14:35:39,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-16 14:35:39,512 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-16 14:35:39,517 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-16 14:35:39,519 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-16 14:35:39,520 INFO L275 PluginConnector]: CDTParser initialized [2020-09-16 14:35:39,521 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/40_barrier_vf.i [2020-09-16 14:35:39,605 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcf74b28e/12d59aba1f7f4feeb7061392469448b2/FLAGf5c927b44 [2020-09-16 14:35:40,244 INFO L306 CDTParser]: Found 1 translation units. [2020-09-16 14:35:40,245 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/40_barrier_vf.i [2020-09-16 14:35:40,275 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcf74b28e/12d59aba1f7f4feeb7061392469448b2/FLAGf5c927b44 [2020-09-16 14:35:40,491 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcf74b28e/12d59aba1f7f4feeb7061392469448b2 [2020-09-16 14:35:40,505 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-16 14:35:40,512 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-16 14:35:40,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-16 14:35:40,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-16 14:35:40,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-16 14:35:40,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 02:35:40" (1/1) ... [2020-09-16 14:35:40,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@462e4a5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 02:35:40, skipping insertion in model container [2020-09-16 14:35:40,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 02:35:40" (1/1) ... [2020-09-16 14:35:40,536 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-16 14:35:40,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-16 14:35:41,258 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-16 14:35:41,280 INFO L203 MainTranslator]: Completed pre-run [2020-09-16 14:35:41,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-16 14:35:41,415 INFO L208 MainTranslator]: Completed translation [2020-09-16 14:35:41,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 02:35:41 WrapperNode [2020-09-16 14:35:41,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-16 14:35:41,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-16 14:35:41,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-16 14:35:41,418 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-16 14:35:41,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 02:35:41" (1/1) ... [2020-09-16 14:35:41,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 02:35:41" (1/1) ... [2020-09-16 14:35:41,482 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-16 14:35:41,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-16 14:35:41,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-16 14:35:41,483 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-16 14:35:41,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 02:35:41" (1/1) ... [2020-09-16 14:35:41,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 02:35:41" (1/1) ... [2020-09-16 14:35:41,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 02:35:41" (1/1) ... [2020-09-16 14:35:41,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 02:35:41" (1/1) ... [2020-09-16 14:35:41,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 02:35:41" (1/1) ... [2020-09-16 14:35:41,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 02:35:41" (1/1) ... [2020-09-16 14:35:41,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 02:35:41" (1/1) ... [2020-09-16 14:35:41,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-16 14:35:41,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-16 14:35:41,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-16 14:35:41,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-16 14:35:41,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 02:35:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-16 14:35:41,613 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-09-16 14:35:41,613 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-09-16 14:35:41,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-16 14:35:41,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-16 14:35:41,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-16 14:35:41,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-16 14:35:41,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-16 14:35:41,617 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-16 14:35:42,258 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-16 14:35:42,258 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-09-16 14:35:42,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 02:35:42 BoogieIcfgContainer [2020-09-16 14:35:42,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-16 14:35:42,265 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-16 14:35:42,265 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-16 14:35:42,269 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-16 14:35:42,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 02:35:40" (1/3) ... [2020-09-16 14:35:42,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aa46152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 02:35:42, skipping insertion in model container [2020-09-16 14:35:42,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 02:35:41" (2/3) ... [2020-09-16 14:35:42,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aa46152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 02:35:42, skipping insertion in model container [2020-09-16 14:35:42,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 02:35:42" (3/3) ... [2020-09-16 14:35:42,275 INFO L109 eAbstractionObserver]: Analyzing ICFG 40_barrier_vf.i [2020-09-16 14:35:42,288 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-16 14:35:42,289 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-16 14:35:42,300 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-16 14:35:42,302 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-16 14:35:42,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:42,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:42,334 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:42,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:42,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:42,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:42,339 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:42,340 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:42,340 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:42,340 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:42,341 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:42,341 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:42,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:42,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:42,342 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:42,343 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:42,343 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:42,343 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:42,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:42,344 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:42,345 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:42,350 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:42,351 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:42,351 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:42,363 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:42,363 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:42,363 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:42,364 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:42,364 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:42,364 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:42,365 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:42,412 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-09-16 14:35:42,455 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-16 14:35:42,455 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-16 14:35:42,456 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-16 14:35:42,456 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-16 14:35:42,456 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-16 14:35:42,456 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-16 14:35:42,456 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-16 14:35:42,457 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-16 14:35:42,472 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 45 transitions, 95 flow [2020-09-16 14:35:42,474 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 44 places, 45 transitions, 95 flow [2020-09-16 14:35:42,510 INFO L129 PetriNetUnfolder]: 5/53 cut-off events. [2020-09-16 14:35:42,510 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-16 14:35:42,516 INFO L80 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 53 events. 5/53 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 61 event pairs, 0 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 34. Up to 4 conditions per place. [2020-09-16 14:35:42,518 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 44 places, 45 transitions, 95 flow [2020-09-16 14:35:42,533 INFO L129 PetriNetUnfolder]: 5/53 cut-off events. [2020-09-16 14:35:42,534 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-16 14:35:42,535 INFO L80 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 53 events. 5/53 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 61 event pairs, 0 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 34. Up to 4 conditions per place. [2020-09-16 14:35:42,536 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 500 [2020-09-16 14:35:42,538 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-16 14:35:42,985 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-09-16 14:35:42,986 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 14:35:44,049 INFO L206 etLargeBlockEncoding]: Checked pairs total: 334 [2020-09-16 14:35:44,050 INFO L214 etLargeBlockEncoding]: Total number of compositions: 43 [2020-09-16 14:35:44,057 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 11 places, 8 transitions, 21 flow [2020-09-16 14:35:44,066 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2020-09-16 14:35:44,068 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-09-16 14:35:44,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-09-16 14:35:44,076 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 14:35:44,077 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-09-16 14:35:44,078 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-16 14:35:44,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 14:35:44,086 INFO L82 PathProgramCache]: Analyzing trace with hash 9950712, now seen corresponding path program 1 times [2020-09-16 14:35:44,099 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 14:35:44,099 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451291183] [2020-09-16 14:35:44,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 14:35:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 14:35:44,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 14:35:44,405 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451291183] [2020-09-16 14:35:44,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 14:35:44,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-09-16 14:35:44,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655144331] [2020-09-16 14:35:44,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-16 14:35:44,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 14:35:44,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-16 14:35:44,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-16 14:35:44,440 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2020-09-16 14:35:44,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 14:35:44,462 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2020-09-16 14:35:44,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-16 14:35:44,463 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-09-16 14:35:44,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 14:35:44,481 INFO L225 Difference]: With dead ends: 7 [2020-09-16 14:35:44,481 INFO L226 Difference]: Without dead ends: 7 [2020-09-16 14:35:44,483 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-16 14:35:44,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2020-09-16 14:35:44,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2020-09-16 14:35:44,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-09-16 14:35:44,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2020-09-16 14:35:44,529 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 4 [2020-09-16 14:35:44,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 14:35:44,529 INFO L479 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2020-09-16 14:35:44,529 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-16 14:35:44,530 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2020-09-16 14:35:44,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-09-16 14:35:44,530 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 14:35:44,530 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-09-16 14:35:44,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-16 14:35:44,531 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-16 14:35:44,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 14:35:44,532 INFO L82 PathProgramCache]: Analyzing trace with hash 972631415, now seen corresponding path program 1 times [2020-09-16 14:35:44,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 14:35:44,533 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67982358] [2020-09-16 14:35:44,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 14:35:44,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-16 14:35:44,579 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-16 14:35:44,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-16 14:35:44,591 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-16 14:35:44,617 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-16 14:35:44,618 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-16 14:35:44,619 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-16 14:35:44,620 WARN L363 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-16 14:35:44,621 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-09-16 14:35:44,627 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,627 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,628 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,628 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,628 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,628 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,628 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,629 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,629 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,629 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,629 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,630 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,630 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,630 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,630 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,630 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,631 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,631 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,631 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,631 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,632 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,632 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,632 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,632 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,633 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,633 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,633 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,633 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,633 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,634 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,634 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,634 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,634 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,635 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,635 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,635 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,635 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,636 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,636 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,636 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,636 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,636 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,637 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,637 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,637 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,637 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,638 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,638 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,638 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,639 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,639 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,639 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,639 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,639 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,639 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,642 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,642 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,643 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,643 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,643 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,643 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,643 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:44,645 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-09-16 14:35:44,646 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-16 14:35:44,646 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-16 14:35:44,646 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-16 14:35:44,646 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-16 14:35:44,646 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-16 14:35:44,646 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-16 14:35:44,646 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-16 14:35:44,646 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-16 14:35:44,649 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 71 transitions, 154 flow [2020-09-16 14:35:44,650 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 69 places, 71 transitions, 154 flow [2020-09-16 14:35:44,671 INFO L129 PetriNetUnfolder]: 9/88 cut-off events. [2020-09-16 14:35:44,671 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-09-16 14:35:44,672 INFO L80 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 88 events. 9/88 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 195 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 59. Up to 6 conditions per place. [2020-09-16 14:35:44,676 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 69 places, 71 transitions, 154 flow [2020-09-16 14:35:44,693 INFO L129 PetriNetUnfolder]: 9/88 cut-off events. [2020-09-16 14:35:44,694 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-09-16 14:35:44,695 INFO L80 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 88 events. 9/88 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 195 event pairs, 0 based on Foata normal form. 0/74 useless extension candidates. Maximal degree in co-relation 59. Up to 6 conditions per place. [2020-09-16 14:35:44,698 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2300 [2020-09-16 14:35:44,698 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-16 14:35:46,253 INFO L206 etLargeBlockEncoding]: Checked pairs total: 13201 [2020-09-16 14:35:46,254 INFO L214 etLargeBlockEncoding]: Total number of compositions: 55 [2020-09-16 14:35:46,254 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 37 transitions, 86 flow [2020-09-16 14:35:46,328 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 1040 states. [2020-09-16 14:35:46,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states. [2020-09-16 14:35:46,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-09-16 14:35:46,329 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 14:35:46,330 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-09-16 14:35:46,330 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 14:35:46,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 14:35:46,331 INFO L82 PathProgramCache]: Analyzing trace with hash 451134800, now seen corresponding path program 1 times [2020-09-16 14:35:46,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 14:35:46,333 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665770276] [2020-09-16 14:35:46,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 14:35:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 14:35:46,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 14:35:46,407 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665770276] [2020-09-16 14:35:46,408 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 14:35:46,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-16 14:35:46,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227408896] [2020-09-16 14:35:46,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-09-16 14:35:46,411 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 14:35:46,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-09-16 14:35:46,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-16 14:35:46,411 INFO L87 Difference]: Start difference. First operand 1040 states. Second operand 2 states. [2020-09-16 14:35:46,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 14:35:46,471 INFO L93 Difference]: Finished difference Result 718 states and 1940 transitions. [2020-09-16 14:35:46,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-09-16 14:35:46,472 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2020-09-16 14:35:46,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 14:35:46,492 INFO L225 Difference]: With dead ends: 718 [2020-09-16 14:35:46,492 INFO L226 Difference]: Without dead ends: 718 [2020-09-16 14:35:46,493 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-16 14:35:46,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2020-09-16 14:35:46,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 718. [2020-09-16 14:35:46,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 718 states. [2020-09-16 14:35:46,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 1940 transitions. [2020-09-16 14:35:46,614 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 1940 transitions. Word has length 5 [2020-09-16 14:35:46,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 14:35:46,615 INFO L479 AbstractCegarLoop]: Abstraction has 718 states and 1940 transitions. [2020-09-16 14:35:46,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-09-16 14:35:46,620 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 1940 transitions. [2020-09-16 14:35:46,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-09-16 14:35:46,623 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 14:35:46,626 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2020-09-16 14:35:46,626 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-16 14:35:46,627 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 14:35:46,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 14:35:46,627 INFO L82 PathProgramCache]: Analyzing trace with hash 161916818, now seen corresponding path program 1 times [2020-09-16 14:35:46,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 14:35:46,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438665398] [2020-09-16 14:35:46,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 14:35:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-16 14:35:46,648 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-16 14:35:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-16 14:35:46,661 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-16 14:35:46,666 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-16 14:35:46,667 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-16 14:35:46,667 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-16 14:35:46,667 WARN L363 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-16 14:35:46,669 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-09-16 14:35:46,677 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,677 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,677 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,678 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,678 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,678 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,678 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,678 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,679 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,679 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,679 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,679 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,679 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,680 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,680 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,680 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,680 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,681 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,681 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,681 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,681 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,681 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,681 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,682 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,682 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,682 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,682 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,683 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,683 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,683 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,683 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,684 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,684 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,684 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,684 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,684 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,685 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,685 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,685 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,685 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,686 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,686 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,686 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,686 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,686 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,686 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,687 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,687 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,689 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,689 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,689 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,689 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,690 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,690 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,690 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,690 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,690 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,691 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,691 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,691 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,691 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,691 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,692 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,692 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,692 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,692 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,692 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,693 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,693 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,693 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,693 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,693 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,694 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,694 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,694 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,695 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,695 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,695 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,695 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,697 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,697 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,698 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,698 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,698 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,698 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,698 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,700 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,700 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,700 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,701 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,701 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,701 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,701 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:46,703 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-09-16 14:35:46,703 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-16 14:35:46,703 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-16 14:35:46,704 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-16 14:35:46,704 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-16 14:35:46,704 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-16 14:35:46,704 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-16 14:35:46,704 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-16 14:35:46,704 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-16 14:35:46,707 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 97 transitions, 215 flow [2020-09-16 14:35:46,707 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 94 places, 97 transitions, 215 flow [2020-09-16 14:35:46,729 INFO L129 PetriNetUnfolder]: 13/123 cut-off events. [2020-09-16 14:35:46,730 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-09-16 14:35:46,732 INFO L80 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 123 events. 13/123 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 349 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 92. Up to 8 conditions per place. [2020-09-16 14:35:46,738 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 94 places, 97 transitions, 215 flow [2020-09-16 14:35:46,757 INFO L129 PetriNetUnfolder]: 13/123 cut-off events. [2020-09-16 14:35:46,757 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-09-16 14:35:46,759 INFO L80 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 123 events. 13/123 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 349 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 92. Up to 8 conditions per place. [2020-09-16 14:35:46,764 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5400 [2020-09-16 14:35:46,765 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-16 14:35:48,450 INFO L206 etLargeBlockEncoding]: Checked pairs total: 28220 [2020-09-16 14:35:48,450 INFO L214 etLargeBlockEncoding]: Total number of compositions: 59 [2020-09-16 14:35:48,451 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54 places, 51 transitions, 123 flow [2020-09-16 14:35:50,268 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 14564 states. [2020-09-16 14:35:50,268 INFO L276 IsEmpty]: Start isEmpty. Operand 14564 states. [2020-09-16 14:35:50,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-09-16 14:35:50,269 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 14:35:50,269 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-09-16 14:35:50,269 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 14:35:50,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 14:35:50,270 INFO L82 PathProgramCache]: Analyzing trace with hash 637954440, now seen corresponding path program 1 times [2020-09-16 14:35:50,270 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 14:35:50,270 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238704960] [2020-09-16 14:35:50,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 14:35:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 14:35:50,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 14:35:50,317 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238704960] [2020-09-16 14:35:50,318 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 14:35:50,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-16 14:35:50,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298848172] [2020-09-16 14:35:50,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-09-16 14:35:50,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 14:35:50,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-09-16 14:35:50,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-16 14:35:50,320 INFO L87 Difference]: Start difference. First operand 14564 states. Second operand 2 states. [2020-09-16 14:35:50,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 14:35:50,556 INFO L93 Difference]: Finished difference Result 9337 states and 34557 transitions. [2020-09-16 14:35:50,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-09-16 14:35:50,556 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2020-09-16 14:35:50,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 14:35:50,660 INFO L225 Difference]: With dead ends: 9337 [2020-09-16 14:35:50,661 INFO L226 Difference]: Without dead ends: 9337 [2020-09-16 14:35:50,661 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-16 14:35:50,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9337 states. [2020-09-16 14:35:51,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9337 to 9337. [2020-09-16 14:35:51,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9337 states. [2020-09-16 14:35:51,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9337 states to 9337 states and 34557 transitions. [2020-09-16 14:35:51,146 INFO L78 Accepts]: Start accepts. Automaton has 9337 states and 34557 transitions. Word has length 5 [2020-09-16 14:35:51,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 14:35:51,146 INFO L479 AbstractCegarLoop]: Abstraction has 9337 states and 34557 transitions. [2020-09-16 14:35:51,146 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-09-16 14:35:51,147 INFO L276 IsEmpty]: Start isEmpty. Operand 9337 states and 34557 transitions. [2020-09-16 14:35:51,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-09-16 14:35:51,148 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 14:35:51,149 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 14:35:51,149 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-16 14:35:51,149 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 14:35:51,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 14:35:51,150 INFO L82 PathProgramCache]: Analyzing trace with hash 867324896, now seen corresponding path program 1 times [2020-09-16 14:35:51,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 14:35:51,150 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920457484] [2020-09-16 14:35:51,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 14:35:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 14:35:51,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 14:35:51,264 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920457484] [2020-09-16 14:35:51,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 14:35:51,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-16 14:35:51,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379689123] [2020-09-16 14:35:51,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-16 14:35:51,266 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 14:35:51,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-16 14:35:51,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-16 14:35:51,267 INFO L87 Difference]: Start difference. First operand 9337 states and 34557 transitions. Second operand 5 states. [2020-09-16 14:35:52,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 14:35:52,291 INFO L93 Difference]: Finished difference Result 20416 states and 72041 transitions. [2020-09-16 14:35:52,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-16 14:35:52,292 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-09-16 14:35:52,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 14:35:52,415 INFO L225 Difference]: With dead ends: 20416 [2020-09-16 14:35:52,415 INFO L226 Difference]: Without dead ends: 20416 [2020-09-16 14:35:52,416 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-16 14:35:52,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20416 states. [2020-09-16 14:35:53,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20416 to 11968. [2020-09-16 14:35:53,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11968 states. [2020-09-16 14:35:53,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11968 states to 11968 states and 43813 transitions. [2020-09-16 14:35:53,155 INFO L78 Accepts]: Start accepts. Automaton has 11968 states and 43813 transitions. Word has length 11 [2020-09-16 14:35:53,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 14:35:53,156 INFO L479 AbstractCegarLoop]: Abstraction has 11968 states and 43813 transitions. [2020-09-16 14:35:53,156 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-16 14:35:53,156 INFO L276 IsEmpty]: Start isEmpty. Operand 11968 states and 43813 transitions. [2020-09-16 14:35:53,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-09-16 14:35:53,157 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 14:35:53,158 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2020-09-16 14:35:53,158 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-16 14:35:53,158 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 14:35:53,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 14:35:53,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1762963757, now seen corresponding path program 1 times [2020-09-16 14:35:53,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 14:35:53,159 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228404610] [2020-09-16 14:35:53,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 14:35:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-16 14:35:53,180 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-16 14:35:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-16 14:35:53,191 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-16 14:35:53,197 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-16 14:35:53,197 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-16 14:35:53,198 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-16 14:35:53,198 WARN L363 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-16 14:35:53,199 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-09-16 14:35:53,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,207 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,208 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,209 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,209 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,209 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,210 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,210 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,211 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,211 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,212 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,212 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,212 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,212 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,212 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,212 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,213 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,213 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,213 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,213 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,213 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,214 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,214 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,214 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,214 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,214 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,214 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,215 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,215 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,215 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,215 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,215 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,216 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,216 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,216 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,216 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,216 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,216 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,217 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,217 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,217 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,217 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,217 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,217 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,218 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,218 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,218 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,218 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,218 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,218 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,219 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,219 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,219 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,220 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,220 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,220 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,220 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,220 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,221 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,221 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,221 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,221 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,221 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,221 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,222 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,222 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,222 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,222 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,222 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,222 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,223 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,223 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,223 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,223 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,223 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,223 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,224 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,224 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,224 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,224 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,224 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,225 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,225 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,225 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,225 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,227 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,227 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,227 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,227 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,228 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,228 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,228 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,229 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,229 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,230 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,230 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,230 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,230 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,230 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,233 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,233 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,233 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,233 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,233 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,234 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,234 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:35:53,235 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-09-16 14:35:53,235 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-16 14:35:53,236 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-16 14:35:53,236 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-16 14:35:53,236 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-16 14:35:53,236 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-16 14:35:53,236 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-16 14:35:53,236 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-16 14:35:53,236 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-16 14:35:53,238 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 123 transitions, 278 flow [2020-09-16 14:35:53,238 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 119 places, 123 transitions, 278 flow [2020-09-16 14:35:53,260 INFO L129 PetriNetUnfolder]: 17/158 cut-off events. [2020-09-16 14:35:53,260 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-09-16 14:35:53,262 INFO L80 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 158 events. 17/158 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 519 event pairs, 0 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 131. Up to 10 conditions per place. [2020-09-16 14:35:53,272 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 119 places, 123 transitions, 278 flow [2020-09-16 14:35:53,290 INFO L129 PetriNetUnfolder]: 17/158 cut-off events. [2020-09-16 14:35:53,290 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-09-16 14:35:53,292 INFO L80 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 158 events. 17/158 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 519 event pairs, 0 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 131. Up to 10 conditions per place. [2020-09-16 14:35:53,301 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 9800 [2020-09-16 14:35:53,301 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-16 14:35:55,491 INFO L206 etLargeBlockEncoding]: Checked pairs total: 64438 [2020-09-16 14:35:55,491 INFO L214 etLargeBlockEncoding]: Total number of compositions: 80 [2020-09-16 14:35:55,491 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 70 places, 67 transitions, 166 flow [2020-09-16 14:37:49,155 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 203900 states. [2020-09-16 14:37:49,155 INFO L276 IsEmpty]: Start isEmpty. Operand 203900 states. [2020-09-16 14:37:49,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-09-16 14:37:49,157 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 14:37:49,157 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2020-09-16 14:37:49,157 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-16 14:37:49,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 14:37:49,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1285000934, now seen corresponding path program 1 times [2020-09-16 14:37:49,158 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 14:37:49,158 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238168732] [2020-09-16 14:37:49,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 14:37:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 14:37:49,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-16 14:37:49,215 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238168732] [2020-09-16 14:37:49,215 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 14:37:49,215 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-16 14:37:49,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343395981] [2020-09-16 14:37:49,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-09-16 14:37:49,216 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 14:37:49,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-09-16 14:37:49,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-16 14:37:49,217 INFO L87 Difference]: Start difference. First operand 203900 states. Second operand 2 states. [2020-09-16 14:37:50,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 14:37:50,114 INFO L93 Difference]: Finished difference Result 121384 states and 570625 transitions. [2020-09-16 14:37:50,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-09-16 14:37:50,114 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-09-16 14:37:50,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 14:37:50,813 INFO L225 Difference]: With dead ends: 121384 [2020-09-16 14:37:50,813 INFO L226 Difference]: Without dead ends: 121384 [2020-09-16 14:37:50,813 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-16 14:38:01,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121384 states. [2020-09-16 14:38:04,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121384 to 121384. [2020-09-16 14:38:04,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121384 states. [2020-09-16 14:38:04,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121384 states to 121384 states and 570625 transitions. [2020-09-16 14:38:04,893 INFO L78 Accepts]: Start accepts. Automaton has 121384 states and 570625 transitions. Word has length 8 [2020-09-16 14:38:04,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 14:38:04,893 INFO L479 AbstractCegarLoop]: Abstraction has 121384 states and 570625 transitions. [2020-09-16 14:38:04,893 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-09-16 14:38:04,894 INFO L276 IsEmpty]: Start isEmpty. Operand 121384 states and 570625 transitions. [2020-09-16 14:38:04,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-09-16 14:38:04,895 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 14:38:04,895 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 14:38:04,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-16 14:38:04,895 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-16 14:38:04,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 14:38:04,896 INFO L82 PathProgramCache]: Analyzing trace with hash 607719712, now seen corresponding path program 1 times [2020-09-16 14:38:04,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 14:38:04,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889578271] [2020-09-16 14:38:04,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 14:38:04,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 14:38:04,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 14:38:04,982 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889578271] [2020-09-16 14:38:04,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 14:38:04,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-16 14:38:04,982 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159966568] [2020-09-16 14:38:04,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-16 14:38:04,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 14:38:04,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-16 14:38:04,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-16 14:38:04,984 INFO L87 Difference]: Start difference. First operand 121384 states and 570625 transitions. Second operand 5 states. [2020-09-16 14:38:16,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 14:38:16,003 INFO L93 Difference]: Finished difference Result 300608 states and 1356769 transitions. [2020-09-16 14:38:16,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-16 14:38:16,004 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-09-16 14:38:16,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 14:38:17,229 INFO L225 Difference]: With dead ends: 300608 [2020-09-16 14:38:17,229 INFO L226 Difference]: Without dead ends: 300608 [2020-09-16 14:38:17,229 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-16 14:38:25,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300608 states. [2020-09-16 14:38:30,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300608 to 166396. [2020-09-16 14:38:30,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166396 states. [2020-09-16 14:38:32,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166396 states to 166396 states and 771075 transitions. [2020-09-16 14:38:32,452 INFO L78 Accepts]: Start accepts. Automaton has 166396 states and 771075 transitions. Word has length 11 [2020-09-16 14:38:32,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 14:38:32,452 INFO L479 AbstractCegarLoop]: Abstraction has 166396 states and 771075 transitions. [2020-09-16 14:38:32,452 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-16 14:38:32,452 INFO L276 IsEmpty]: Start isEmpty. Operand 166396 states and 771075 transitions. [2020-09-16 14:38:32,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-09-16 14:38:32,454 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 14:38:32,454 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 14:38:32,454 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-16 14:38:32,455 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-16 14:38:32,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 14:38:32,455 INFO L82 PathProgramCache]: Analyzing trace with hash 923942098, now seen corresponding path program 1 times [2020-09-16 14:38:32,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 14:38:32,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274387550] [2020-09-16 14:38:32,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 14:38:32,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 14:38:32,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 14:38:32,537 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274387550] [2020-09-16 14:38:32,537 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 14:38:32,537 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-16 14:38:32,538 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897185434] [2020-09-16 14:38:32,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-16 14:38:32,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 14:38:32,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-16 14:38:32,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-16 14:38:32,539 INFO L87 Difference]: Start difference. First operand 166396 states and 771075 transitions. Second operand 3 states. [2020-09-16 14:38:42,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 14:38:42,520 INFO L93 Difference]: Finished difference Result 244471 states and 1104180 transitions. [2020-09-16 14:38:42,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-16 14:38:42,521 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-09-16 14:38:42,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 14:38:43,602 INFO L225 Difference]: With dead ends: 244471 [2020-09-16 14:38:43,602 INFO L226 Difference]: Without dead ends: 244471 [2020-09-16 14:38:43,603 INFO L675 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 [2020-09-16 14:38:55,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244471 states. [2020-09-16 14:39:00,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244471 to 202568. [2020-09-16 14:39:00,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202568 states. [2020-09-16 14:39:02,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202568 states to 202568 states and 922731 transitions. [2020-09-16 14:39:02,972 INFO L78 Accepts]: Start accepts. Automaton has 202568 states and 922731 transitions. Word has length 13 [2020-09-16 14:39:02,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 14:39:02,972 INFO L479 AbstractCegarLoop]: Abstraction has 202568 states and 922731 transitions. [2020-09-16 14:39:02,972 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-16 14:39:02,972 INFO L276 IsEmpty]: Start isEmpty. Operand 202568 states and 922731 transitions. [2020-09-16 14:39:02,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-09-16 14:39:02,973 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 14:39:02,974 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 14:39:02,974 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-16 14:39:02,974 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-16 14:39:02,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 14:39:02,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1135848223, now seen corresponding path program 1 times [2020-09-16 14:39:02,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 14:39:02,975 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166677113] [2020-09-16 14:39:02,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 14:39:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 14:39:03,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-16 14:39:03,052 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166677113] [2020-09-16 14:39:03,052 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 14:39:03,052 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-16 14:39:03,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030713176] [2020-09-16 14:39:03,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-16 14:39:03,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 14:39:03,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-16 14:39:03,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-16 14:39:03,053 INFO L87 Difference]: Start difference. First operand 202568 states and 922731 transitions. Second operand 5 states. [2020-09-16 14:39:14,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 14:39:14,663 INFO L93 Difference]: Finished difference Result 369277 states and 1633491 transitions. [2020-09-16 14:39:14,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-16 14:39:14,664 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-09-16 14:39:14,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 14:39:17,290 INFO L225 Difference]: With dead ends: 369277 [2020-09-16 14:39:17,290 INFO L226 Difference]: Without dead ends: 369277 [2020-09-16 14:39:17,291 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-16 14:39:31,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369277 states. [2020-09-16 14:39:38,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369277 to 228562. [2020-09-16 14:39:38,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228562 states. [2020-09-16 14:39:50,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228562 states to 228562 states and 1039117 transitions. [2020-09-16 14:39:50,349 INFO L78 Accepts]: Start accepts. Automaton has 228562 states and 1039117 transitions. Word has length 14 [2020-09-16 14:39:50,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 14:39:50,350 INFO L479 AbstractCegarLoop]: Abstraction has 228562 states and 1039117 transitions. [2020-09-16 14:39:50,350 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-16 14:39:50,350 INFO L276 IsEmpty]: Start isEmpty. Operand 228562 states and 1039117 transitions. [2020-09-16 14:39:50,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-16 14:39:50,352 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 14:39:50,352 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1] [2020-09-16 14:39:50,353 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-16 14:39:50,353 INFO L427 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-16 14:39:50,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 14:39:50,353 INFO L82 PathProgramCache]: Analyzing trace with hash -468431814, now seen corresponding path program 1 times [2020-09-16 14:39:50,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 14:39:50,354 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773349240] [2020-09-16 14:39:50,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 14:39:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-16 14:39:50,365 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-16 14:39:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-16 14:39:50,379 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-16 14:39:50,387 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-16 14:39:50,387 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-16 14:39:50,387 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-16 14:39:50,388 WARN L363 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-16 14:39:50,388 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2020-09-16 14:39:50,396 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,396 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,397 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,397 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,397 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,397 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,397 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,397 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,398 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,398 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,398 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,398 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,398 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,398 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,399 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,399 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,399 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,399 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,399 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,399 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,400 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,400 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,400 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,400 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,400 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,400 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,401 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,401 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,401 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,401 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,401 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,401 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,401 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,402 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,402 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,402 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,402 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,402 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,402 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,403 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,403 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,403 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,403 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,403 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,403 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,403 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,404 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,404 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,404 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,404 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,404 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,404 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,405 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,405 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,405 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,405 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,405 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,405 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,406 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,406 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,406 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,406 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,406 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,406 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,406 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,407 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,407 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,407 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,407 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,407 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,407 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,407 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,408 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,408 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,408 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,408 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,408 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,408 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,408 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,409 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,409 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,409 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,409 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,409 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,409 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,410 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,410 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,410 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,410 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,410 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,410 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,410 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,411 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,411 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,411 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,411 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,411 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,411 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,412 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,412 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,412 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,412 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,412 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,412 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,412 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,413 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,413 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,413 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,413 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,413 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,413 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,413 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,414 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,414 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,414 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,414 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,414 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,414 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,415 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,415 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,415 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,415 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,416 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,416 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,416 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,416 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,416 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,422 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,422 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,422 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,422 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,423 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,423 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,423 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,424 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,424 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,425 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,425 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,425 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,425 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,425 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,426 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,427 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,427 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,427 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,427 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,428 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,429 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,429 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_Barrier2_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,429 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,429 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,429 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,429 WARN L313 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 14:39:50,430 INFO L251 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-09-16 14:39:50,431 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-16 14:39:50,431 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-16 14:39:50,431 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-16 14:39:50,431 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-16 14:39:50,431 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-16 14:39:50,431 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-16 14:39:50,431 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-16 14:39:50,431 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-16 14:39:50,433 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 144 places, 149 transitions, 343 flow [2020-09-16 14:39:50,433 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 144 places, 149 transitions, 343 flow [2020-09-16 14:39:50,458 INFO L129 PetriNetUnfolder]: 21/193 cut-off events. [2020-09-16 14:39:50,458 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-09-16 14:39:50,461 INFO L80 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 193 events. 21/193 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 661 event pairs, 0 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 173. Up to 12 conditions per place. [2020-09-16 14:39:50,475 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 144 places, 149 transitions, 343 flow [2020-09-16 14:39:50,499 INFO L129 PetriNetUnfolder]: 21/193 cut-off events. [2020-09-16 14:39:50,499 INFO L130 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2020-09-16 14:39:50,502 INFO L80 FinitePrefix]: Finished finitePrefix Result has 224 conditions, 193 events. 21/193 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 661 event pairs, 0 based on Foata normal form. 0/161 useless extension candidates. Maximal degree in co-relation 173. Up to 12 conditions per place. [2020-09-16 14:39:50,511 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 15500 [2020-09-16 14:39:50,511 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-16 14:39:55,800 INFO L206 etLargeBlockEncoding]: Checked pairs total: 99040 [2020-09-16 14:39:55,800 INFO L214 etLargeBlockEncoding]: Total number of compositions: 115 [2020-09-16 14:39:55,800 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 86 places, 85 transitions, 215 flow