/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-ext/06_ticket.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-09 11:18:52,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-09 11:18:52,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-09 11:18:52,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-09 11:18:52,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-09 11:18:52,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-09 11:18:52,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-09 11:18:52,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-09 11:18:52,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-09 11:18:52,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-09 11:18:52,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-09 11:18:52,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-09 11:18:52,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-09 11:18:52,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-09 11:18:52,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-09 11:18:52,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-09 11:18:52,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-09 11:18:52,337 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-09 11:18:52,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-09 11:18:52,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-09 11:18:52,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-09 11:18:52,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-09 11:18:52,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-09 11:18:52,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-09 11:18:52,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-09 11:18:52,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-09 11:18:52,374 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-09 11:18:52,375 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-09 11:18:52,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-09 11:18:52,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-09 11:18:52,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-09 11:18:52,381 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-09 11:18:52,386 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-09 11:18:52,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-09 11:18:52,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-09 11:18:52,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-09 11:18:52,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-09 11:18:52,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-09 11:18:52,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-09 11:18:52,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-09 11:18:52,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-09 11:18:52,402 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 [2020-10-09 11:18:52,450 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-09 11:18:52,450 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-09 11:18:52,453 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-09 11:18:52,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-09 11:18:52,454 INFO L138 SettingsManager]: * Use SBE=true [2020-10-09 11:18:52,454 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-09 11:18:52,454 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-09 11:18:52,454 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-09 11:18:52,454 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-09 11:18:52,455 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-09 11:18:52,455 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-09 11:18:52,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-09 11:18:52,455 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-09 11:18:52,455 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-09 11:18:52,455 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-09 11:18:52,456 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-09 11:18:52,456 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-09 11:18:52,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-09 11:18:52,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-09 11:18:52,459 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-09 11:18:52,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-09 11:18:52,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-09 11:18:52,460 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-09 11:18:52,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-09 11:18:52,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-09 11:18:52,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-09 11:18:52,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-09 11:18:52,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-09 11:18:52,461 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-09 11:18:52,461 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-09 11:18:52,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-09 11:18:52,858 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-09 11:18:52,863 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-09 11:18:52,865 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-09 11:18:52,866 INFO L275 PluginConnector]: CDTParser initialized [2020-10-09 11:18:52,867 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/06_ticket.i [2020-10-09 11:18:52,941 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/865ab7218/3c5502206a8844958b643153b4d018c3/FLAG5deed9823 [2020-10-09 11:18:53,643 INFO L306 CDTParser]: Found 1 translation units. [2020-10-09 11:18:53,644 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/06_ticket.i [2020-10-09 11:18:53,658 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/865ab7218/3c5502206a8844958b643153b4d018c3/FLAG5deed9823 [2020-10-09 11:18:53,824 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/865ab7218/3c5502206a8844958b643153b4d018c3 [2020-10-09 11:18:53,836 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-09 11:18:53,838 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-09 11:18:53,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-09 11:18:53,839 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-09 11:18:53,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-09 11:18:53,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 11:18:53" (1/1) ... [2020-10-09 11:18:53,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cbf3a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:18:53, skipping insertion in model container [2020-10-09 11:18:53,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 11:18:53" (1/1) ... [2020-10-09 11:18:53,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-09 11:18:53,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-09 11:18:54,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 11:18:54,571 INFO L203 MainTranslator]: Completed pre-run [2020-10-09 11:18:54,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 11:18:54,708 INFO L208 MainTranslator]: Completed translation [2020-10-09 11:18:54,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:18:54 WrapperNode [2020-10-09 11:18:54,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-09 11:18:54,710 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-09 11:18:54,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-09 11:18:54,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-09 11:18:54,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:18:54" (1/1) ... [2020-10-09 11:18:54,742 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:18:54" (1/1) ... [2020-10-09 11:18:54,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-09 11:18:54,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-09 11:18:54,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-09 11:18:54,777 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-09 11:18:54,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:18:54" (1/1) ... [2020-10-09 11:18:54,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:18:54" (1/1) ... [2020-10-09 11:18:54,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:18:54" (1/1) ... [2020-10-09 11:18:54,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:18:54" (1/1) ... [2020-10-09 11:18:54,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:18:54" (1/1) ... [2020-10-09 11:18:54,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:18:54" (1/1) ... [2020-10-09 11:18:54,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:18:54" (1/1) ... [2020-10-09 11:18:54,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-09 11:18:54,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-09 11:18:54,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-09 11:18:54,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-09 11:18:54,805 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:18:54" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-09 11:18:54,867 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-09 11:18:54,868 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-09 11:18:54,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-09 11:18:54,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-09 11:18:54,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-09 11:18:54,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-09 11:18:54,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-09 11:18:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-09 11:18:54,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-09 11:18:54,870 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-09 11:18:55,336 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-09 11:18:55,337 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-09 11:18:55,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 11:18:55 BoogieIcfgContainer [2020-10-09 11:18:55,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-09 11:18:55,342 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-09 11:18:55,342 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-09 11:18:55,347 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-09 11:18:55,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.10 11:18:53" (1/3) ... [2020-10-09 11:18:55,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36ec0eac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 11:18:55, skipping insertion in model container [2020-10-09 11:18:55,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 11:18:54" (2/3) ... [2020-10-09 11:18:55,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36ec0eac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 11:18:55, skipping insertion in model container [2020-10-09 11:18:55,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 11:18:55" (3/3) ... [2020-10-09 11:18:55,352 INFO L111 eAbstractionObserver]: Analyzing ICFG 06_ticket.i [2020-10-09 11:18:55,367 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-09 11:18:55,368 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-09 11:18:55,377 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-09 11:18:55,378 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-09 11:18:55,408 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,408 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,408 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,409 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,409 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,409 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,409 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,410 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,410 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,410 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,411 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,411 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,411 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,411 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,412 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,412 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,412 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,412 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,413 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,413 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,413 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,413 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,414 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,414 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,414 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,415 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,415 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,415 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,415 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,416 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,416 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,416 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,416 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,417 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,417 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,417 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,418 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,418 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,418 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,422 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,423 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,423 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,423 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,424 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,424 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,424 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,424 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,425 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,425 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,425 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,425 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,425 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:18:55,446 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-09 11:18:55,471 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 11:18:55,472 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-09 11:18:55,472 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 11:18:55,472 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 11:18:55,472 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 11:18:55,472 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 11:18:55,473 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 11:18:55,473 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 11:18:55,486 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-09 11:18:55,489 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 59 transitions, 123 flow [2020-10-09 11:18:55,492 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 59 transitions, 123 flow [2020-10-09 11:18:55,494 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 55 places, 59 transitions, 123 flow [2020-10-09 11:18:55,538 INFO L129 PetriNetUnfolder]: 8/67 cut-off events. [2020-10-09 11:18:55,538 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-09 11:18:55,545 INFO L80 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 67 events. 8/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 64 event pairs, 0 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 48. Up to 5 conditions per place. [2020-10-09 11:18:55,547 INFO L117 LiptonReduction]: Number of co-enabled transitions 780 [2020-10-09 11:19:50,246 WARN L193 SmtUtils]: Spent 53.77 s on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2020-10-09 11:20:17,460 WARN L193 SmtUtils]: Spent 27.21 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-09 11:20:19,628 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 37 [2020-10-09 11:20:21,812 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 37 [2020-10-09 11:20:21,961 INFO L132 LiptonReduction]: Checked pairs total: 668 [2020-10-09 11:20:21,961 INFO L134 LiptonReduction]: Total number of compositions: 64 [2020-10-09 11:20:21,968 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 13 places, 12 transitions, 29 flow [2020-10-09 11:20:21,977 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 29 states. [2020-10-09 11:20:21,979 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-10-09 11:20:21,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-09 11:20:21,986 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:20:21,987 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-09 11:20:21,987 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 11:20:21,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:20:21,993 INFO L82 PathProgramCache]: Analyzing trace with hash 283669864, now seen corresponding path program 1 times [2020-10-09 11:20:22,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:20:22,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107804692] [2020-10-09 11:20:22,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:20:22,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:20:22,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:20:22,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107804692] [2020-10-09 11:20:22,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:20:22,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-09 11:20:22,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748945361] [2020-10-09 11:20:22,167 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-09 11:20:22,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:20:22,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-09 11:20:22,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-09 11:20:22,186 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 2 states. [2020-10-09 11:20:22,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:20:22,200 INFO L93 Difference]: Finished difference Result 23 states and 38 transitions. [2020-10-09 11:20:22,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-09 11:20:22,202 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2020-10-09 11:20:22,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:20:22,212 INFO L225 Difference]: With dead ends: 23 [2020-10-09 11:20:22,212 INFO L226 Difference]: Without dead ends: 23 [2020-10-09 11:20:22,213 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-09 11:20:22,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-10-09 11:20:22,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-10-09 11:20:22,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-09 11:20:22,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 38 transitions. [2020-10-09 11:20:22,249 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 38 transitions. Word has length 5 [2020-10-09 11:20:22,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:20:22,250 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 38 transitions. [2020-10-09 11:20:22,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-09 11:20:22,250 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2020-10-09 11:20:22,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-09 11:20:22,251 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:20:22,251 INFO L421 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-10-09 11:20:22,251 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-09 11:20:22,252 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-10-09 11:20:22,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:20:22,252 INFO L82 PathProgramCache]: Analyzing trace with hash 203728727, now seen corresponding path program 1 times [2020-10-09 11:20:22,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:20:22,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117196791] [2020-10-09 11:20:22,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:20:22,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 11:20:22,279 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 11:20:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 11:20:22,290 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 11:20:22,311 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-09 11:20:22,311 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-09 11:20:22,313 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-09 11:20:22,314 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-09 11:20:22,315 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-09 11:20:22,324 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,324 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,325 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,325 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,325 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,325 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,325 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,326 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,326 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,326 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,326 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,326 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,327 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,327 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,327 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,327 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,327 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,328 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,328 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,328 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,328 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,328 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,329 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,329 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,329 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,329 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,330 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,330 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,330 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,331 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,332 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,333 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,333 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,334 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,334 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,334 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,334 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,335 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,335 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,336 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,336 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,337 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,337 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,338 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,338 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,338 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,338 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,338 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,339 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,340 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,340 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,340 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,340 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,340 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,341 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,341 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,341 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,341 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,342 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,342 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,342 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,342 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,343 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,343 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,345 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,345 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,345 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,360 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,360 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,361 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,361 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,361 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,361 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,361 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,361 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,362 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,365 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,365 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,365 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,365 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:20:22,371 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-09 11:20:22,371 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 11:20:22,371 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-09 11:20:22,372 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 11:20:22,372 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 11:20:22,372 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 11:20:22,372 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 11:20:22,372 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 11:20:22,372 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 11:20:22,377 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-09 11:20:22,378 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 99 transitions, 210 flow [2020-10-09 11:20:22,378 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 99 transitions, 210 flow [2020-10-09 11:20:22,379 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 91 places, 99 transitions, 210 flow [2020-10-09 11:20:22,429 INFO L129 PetriNetUnfolder]: 15/116 cut-off events. [2020-10-09 11:20:22,429 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-09 11:20:22,433 INFO L80 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 116 events. 15/116 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 214 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 87. Up to 6 conditions per place. [2020-10-09 11:20:22,440 INFO L117 LiptonReduction]: Number of co-enabled transitions 4680 [2020-10-09 11:20:33,407 WARN L193 SmtUtils]: Spent 10.35 s on a formula simplification that was a NOOP. DAG size: 26 [2020-10-09 11:20:37,577 WARN L193 SmtUtils]: Spent 4.17 s on a formula simplification that was a NOOP. DAG size: 26 [2020-10-09 11:21:19,320 WARN L193 SmtUtils]: Spent 41.35 s on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2020-10-09 11:21:35,848 WARN L193 SmtUtils]: Spent 16.53 s on a formula simplification that was a NOOP. DAG size: 24 [2020-10-09 11:21:35,957 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-09 11:21:35,957 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 11:21:35,966 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-09 11:21:35,966 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 11:21:38,137 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 35 [2020-10-09 11:21:40,274 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 33 [2020-10-09 11:22:05,133 WARN L193 SmtUtils]: Spent 24.83 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-09 11:22:17,546 WARN L193 SmtUtils]: Spent 12.41 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-09 11:22:19,866 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 39 [2020-10-09 11:22:22,013 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 39 [2020-10-09 11:22:46,916 WARN L193 SmtUtils]: Spent 24.89 s on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2020-10-09 11:23:01,400 WARN L193 SmtUtils]: Spent 14.48 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-09 11:23:01,533 INFO L132 LiptonReduction]: Checked pairs total: 8658 [2020-10-09 11:23:01,534 INFO L134 LiptonReduction]: Total number of compositions: 102 [2020-10-09 11:23:01,534 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 34 transitions, 80 flow [2020-10-09 11:23:01,564 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 653 states. [2020-10-09 11:23:01,565 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states. [2020-10-09 11:23:01,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-09 11:23:01,566 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:23:01,566 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-09 11:23:01,566 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:23:01,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:23:01,567 INFO L82 PathProgramCache]: Analyzing trace with hash 507661700, now seen corresponding path program 1 times [2020-10-09 11:23:01,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:23:01,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824404260] [2020-10-09 11:23:01,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:23:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:23:01,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:23:01,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824404260] [2020-10-09 11:23:01,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:23:01,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-09 11:23:01,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026230375] [2020-10-09 11:23:01,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-09 11:23:01,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:23:01,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-09 11:23:01,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-09 11:23:01,598 INFO L87 Difference]: Start difference. First operand 653 states. Second operand 2 states. [2020-10-09 11:23:01,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:23:01,649 INFO L93 Difference]: Finished difference Result 520 states and 1400 transitions. [2020-10-09 11:23:01,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-09 11:23:01,649 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2020-10-09 11:23:01,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:23:01,664 INFO L225 Difference]: With dead ends: 520 [2020-10-09 11:23:01,664 INFO L226 Difference]: Without dead ends: 520 [2020-10-09 11:23:01,664 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-09 11:23:01,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2020-10-09 11:23:01,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 520. [2020-10-09 11:23:01,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2020-10-09 11:23:01,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 1400 transitions. [2020-10-09 11:23:01,747 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 1400 transitions. Word has length 5 [2020-10-09 11:23:01,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:23:01,747 INFO L481 AbstractCegarLoop]: Abstraction has 520 states and 1400 transitions. [2020-10-09 11:23:01,747 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-09 11:23:01,747 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 1400 transitions. [2020-10-09 11:23:01,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-09 11:23:01,748 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:23:01,748 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:23:01,749 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-09 11:23:01,749 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:23:01,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:23:01,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1165950069, now seen corresponding path program 1 times [2020-10-09 11:23:01,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:23:01,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574321987] [2020-10-09 11:23:01,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:23:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:23:01,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:23:01,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574321987] [2020-10-09 11:23:01,862 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:23:01,862 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 11:23:01,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468019800] [2020-10-09 11:23:01,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 11:23:01,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:23:01,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 11:23:01,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 11:23:01,863 INFO L87 Difference]: Start difference. First operand 520 states and 1400 transitions. Second operand 5 states. [2020-10-09 11:23:01,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:23:01,993 INFO L93 Difference]: Finished difference Result 657 states and 1747 transitions. [2020-10-09 11:23:01,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-09 11:23:01,994 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-10-09 11:23:01,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:23:02,000 INFO L225 Difference]: With dead ends: 657 [2020-10-09 11:23:02,000 INFO L226 Difference]: Without dead ends: 657 [2020-10-09 11:23:02,001 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-09 11:23:02,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2020-10-09 11:23:02,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 565. [2020-10-09 11:23:02,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2020-10-09 11:23:02,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 1510 transitions. [2020-10-09 11:23:02,043 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 1510 transitions. Word has length 8 [2020-10-09 11:23:02,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:23:02,044 INFO L481 AbstractCegarLoop]: Abstraction has 565 states and 1510 transitions. [2020-10-09 11:23:02,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 11:23:02,044 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 1510 transitions. [2020-10-09 11:23:02,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-09 11:23:02,045 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:23:02,045 INFO L421 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2020-10-09 11:23:02,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-09 11:23:02,045 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:23:02,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:23:02,046 INFO L82 PathProgramCache]: Analyzing trace with hash 899381557, now seen corresponding path program 1 times [2020-10-09 11:23:02,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:23:02,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955047986] [2020-10-09 11:23:02,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:23:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 11:23:02,068 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 11:23:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 11:23:02,078 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 11:23:02,084 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-09 11:23:02,084 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-09 11:23:02,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-09 11:23:02,085 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-09 11:23:02,086 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-09 11:23:02,094 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,094 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,095 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,095 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,095 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,095 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,095 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,095 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,096 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,096 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,096 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,096 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,096 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,096 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,097 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,097 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,097 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,097 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,097 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,097 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,098 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,098 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,098 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,098 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,100 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,100 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,100 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,100 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,100 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,101 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,101 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,101 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,101 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,101 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,101 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,102 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,102 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,102 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,102 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,103 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,103 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,103 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,103 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,103 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,103 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,103 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,104 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,104 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,104 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,104 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,104 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,104 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,105 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,105 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,105 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,105 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,105 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,105 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,106 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,106 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,106 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,106 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,106 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,106 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,107 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,107 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,107 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,107 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,107 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,108 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,108 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,108 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,108 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,108 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,108 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,109 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,109 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,109 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,109 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,109 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,109 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,110 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,110 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,110 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,110 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,110 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,110 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,111 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,111 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,111 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,111 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,111 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,111 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,111 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,112 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,112 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,112 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,112 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,112 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,112 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,113 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,113 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,113 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,113 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,113 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,113 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,114 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,114 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,115 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,116 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,116 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,116 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,117 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,117 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,117 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,117 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,118 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,118 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,118 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,118 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,118 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,120 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,121 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,121 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,121 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,121 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,121 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,122 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,122 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,122 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,122 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,122 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,123 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,123 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,124 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,125 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,125 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,125 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,125 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,126 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,126 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,126 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,126 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,127 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,127 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,127 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,127 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:23:02,128 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-09 11:23:02,129 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 11:23:02,129 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-09 11:23:02,129 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 11:23:02,129 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 11:23:02,129 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 11:23:02,129 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 11:23:02,129 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 11:23:02,129 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 11:23:02,133 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-09 11:23:02,133 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 139 transitions, 299 flow [2020-10-09 11:23:02,133 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 127 places, 139 transitions, 299 flow [2020-10-09 11:23:02,133 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 127 places, 139 transitions, 299 flow [2020-10-09 11:23:02,188 INFO L129 PetriNetUnfolder]: 22/165 cut-off events. [2020-10-09 11:23:02,188 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-09 11:23:02,194 INFO L80 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 165 events. 22/165 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 447 event pairs, 0 based on Foata normal form. 0/136 useless extension candidates. Maximal degree in co-relation 126. Up to 8 conditions per place. [2020-10-09 11:23:02,207 INFO L117 LiptonReduction]: Number of co-enabled transitions 11700 [2020-10-09 11:23:02,913 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-09 11:23:02,914 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 11:23:02,924 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-09 11:23:02,924 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 11:23:03,254 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-09 11:23:03,255 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 11:23:03,267 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-09 11:23:03,267 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 11:23:11,574 WARN L193 SmtUtils]: Spent 4.16 s on a formula simplification that was a NOOP. DAG size: 26 [2020-10-09 11:23:15,729 WARN L193 SmtUtils]: Spent 4.15 s on a formula simplification that was a NOOP. DAG size: 26 [2020-10-09 11:23:16,110 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-09 11:23:16,111 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 11:23:16,126 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-09 11:23:16,126 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 11:23:34,809 WARN L193 SmtUtils]: Spent 18.67 s on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2020-10-09 11:23:41,054 WARN L193 SmtUtils]: Spent 6.24 s on a formula simplification that was a NOOP. DAG size: 24 [2020-10-09 11:23:41,076 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-09 11:23:41,076 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 11:23:41,085 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-09 11:23:41,085 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 11:24:14,180 WARN L193 SmtUtils]: Spent 29.01 s on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2020-10-09 11:24:32,792 WARN L193 SmtUtils]: Spent 18.61 s on a formula simplification that was a NOOP. DAG size: 24 [2020-10-09 11:24:32,829 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-09 11:24:32,830 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 11:24:32,847 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-09 11:24:32,848 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 11:25:32,968 WARN L193 SmtUtils]: Spent 59.97 s on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2020-10-09 11:25:43,328 WARN L193 SmtUtils]: Spent 10.36 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-09 11:26:04,132 WARN L193 SmtUtils]: Spent 20.66 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-09 11:26:26,857 WARN L193 SmtUtils]: Spent 22.72 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-09 11:26:49,744 WARN L193 SmtUtils]: Spent 22.77 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-09 11:27:16,619 WARN L193 SmtUtils]: Spent 26.87 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-09 11:27:22,856 WARN L193 SmtUtils]: Spent 6.24 s on a formula simplification that was a NOOP. DAG size: 32 [2020-10-09 11:27:29,093 WARN L193 SmtUtils]: Spent 6.24 s on a formula simplification that was a NOOP. DAG size: 32 [2020-10-09 11:27:29,375 INFO L132 LiptonReduction]: Checked pairs total: 21269 [2020-10-09 11:27:29,375 INFO L134 LiptonReduction]: Total number of compositions: 138 [2020-10-09 11:27:29,375 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 49 transitions, 119 flow [2020-10-09 11:27:29,799 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 7187 states. [2020-10-09 11:27:29,799 INFO L276 IsEmpty]: Start isEmpty. Operand 7187 states. [2020-10-09 11:27:29,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-09 11:27:29,800 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:27:29,800 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-09 11:27:29,800 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:27:29,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:27:29,800 INFO L82 PathProgramCache]: Analyzing trace with hash 801024743, now seen corresponding path program 1 times [2020-10-09 11:27:29,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:27:29,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360259866] [2020-10-09 11:27:29,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:27:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:27:29,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:27:29,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360259866] [2020-10-09 11:27:29,819 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:27:29,820 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-09 11:27:29,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128637332] [2020-10-09 11:27:29,820 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-09 11:27:29,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:27:29,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-09 11:27:29,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-09 11:27:29,821 INFO L87 Difference]: Start difference. First operand 7187 states. Second operand 2 states. [2020-10-09 11:27:29,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:27:29,912 INFO L93 Difference]: Finished difference Result 5723 states and 21123 transitions. [2020-10-09 11:27:29,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-09 11:27:29,913 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2020-10-09 11:27:29,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:27:29,968 INFO L225 Difference]: With dead ends: 5723 [2020-10-09 11:27:29,968 INFO L226 Difference]: Without dead ends: 5723 [2020-10-09 11:27:29,969 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-09 11:27:30,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5723 states. [2020-10-09 11:27:30,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5723 to 5723. [2020-10-09 11:27:30,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5723 states. [2020-10-09 11:27:30,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5723 states to 5723 states and 21123 transitions. [2020-10-09 11:27:30,327 INFO L78 Accepts]: Start accepts. Automaton has 5723 states and 21123 transitions. Word has length 5 [2020-10-09 11:27:30,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:27:30,327 INFO L481 AbstractCegarLoop]: Abstraction has 5723 states and 21123 transitions. [2020-10-09 11:27:30,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-09 11:27:30,327 INFO L276 IsEmpty]: Start isEmpty. Operand 5723 states and 21123 transitions. [2020-10-09 11:27:30,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-09 11:27:30,329 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:27:30,329 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:27:30,330 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-09 11:27:30,331 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:27:30,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:27:30,331 INFO L82 PathProgramCache]: Analyzing trace with hash 480170840, now seen corresponding path program 1 times [2020-10-09 11:27:30,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:27:30,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109242790] [2020-10-09 11:27:30,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:27:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:27:30,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 11:27:30,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109242790] [2020-10-09 11:27:30,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:27:30,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 11:27:30,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809812480] [2020-10-09 11:27:30,499 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 11:27:30,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:27:30,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 11:27:30,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 11:27:30,500 INFO L87 Difference]: Start difference. First operand 5723 states and 21123 transitions. Second operand 5 states. [2020-10-09 11:27:30,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:27:30,731 INFO L93 Difference]: Finished difference Result 8300 states and 29773 transitions. [2020-10-09 11:27:30,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-09 11:27:30,731 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-10-09 11:27:30,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:27:30,818 INFO L225 Difference]: With dead ends: 8300 [2020-10-09 11:27:30,818 INFO L226 Difference]: Without dead ends: 8300 [2020-10-09 11:27:30,819 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-09 11:27:30,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8300 states. [2020-10-09 11:27:31,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8300 to 6844. [2020-10-09 11:27:31,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6844 states. [2020-10-09 11:27:31,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6844 states to 6844 states and 25077 transitions. [2020-10-09 11:27:31,114 INFO L78 Accepts]: Start accepts. Automaton has 6844 states and 25077 transitions. Word has length 8 [2020-10-09 11:27:31,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:27:31,115 INFO L481 AbstractCegarLoop]: Abstraction has 6844 states and 25077 transitions. [2020-10-09 11:27:31,115 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 11:27:31,115 INFO L276 IsEmpty]: Start isEmpty. Operand 6844 states and 25077 transitions. [2020-10-09 11:27:31,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-09 11:27:31,117 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:27:31,118 INFO L421 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 11:27:31,118 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-09 11:27:31,118 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:27:31,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:27:31,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1897323398, now seen corresponding path program 1 times [2020-10-09 11:27:31,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:27:31,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273195419] [2020-10-09 11:27:31,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:27:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 11:27:31,244 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-09 11:27:31,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273195419] [2020-10-09 11:27:31,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 11:27:31,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 11:27:31,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888323574] [2020-10-09 11:27:31,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 11:27:31,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 11:27:31,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 11:27:31,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-09 11:27:31,247 INFO L87 Difference]: Start difference. First operand 6844 states and 25077 transitions. Second operand 5 states. [2020-10-09 11:27:31,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 11:27:31,466 INFO L93 Difference]: Finished difference Result 9360 states and 33488 transitions. [2020-10-09 11:27:31,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-09 11:27:31,467 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-10-09 11:27:31,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 11:27:31,510 INFO L225 Difference]: With dead ends: 9360 [2020-10-09 11:27:31,510 INFO L226 Difference]: Without dead ends: 9360 [2020-10-09 11:27:31,511 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-09 11:27:31,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9360 states. [2020-10-09 11:27:31,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9360 to 7453. [2020-10-09 11:27:31,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7453 states. [2020-10-09 11:27:31,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7453 states to 7453 states and 27180 transitions. [2020-10-09 11:27:31,903 INFO L78 Accepts]: Start accepts. Automaton has 7453 states and 27180 transitions. Word has length 11 [2020-10-09 11:27:31,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 11:27:31,904 INFO L481 AbstractCegarLoop]: Abstraction has 7453 states and 27180 transitions. [2020-10-09 11:27:31,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 11:27:31,905 INFO L276 IsEmpty]: Start isEmpty. Operand 7453 states and 27180 transitions. [2020-10-09 11:27:31,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-09 11:27:31,906 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 11:27:31,906 INFO L421 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2020-10-09 11:27:31,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-09 11:27:31,907 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 11:27:31,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 11:27:31,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1479022550, now seen corresponding path program 1 times [2020-10-09 11:27:31,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 11:27:31,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786987565] [2020-10-09 11:27:31,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 11:27:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 11:27:31,917 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 11:27:31,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-09 11:27:31,924 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-09 11:27:31,930 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-09 11:27:31,930 INFO L519 BasicCegarLoop]: Counterexample might be feasible [2020-10-09 11:27:31,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-09 11:27:31,931 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-09 11:27:31,931 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-09 11:27:31,940 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,941 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,941 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,941 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,941 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,941 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,941 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,942 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,942 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,942 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,942 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,942 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,942 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,942 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,943 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,943 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,943 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,943 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,943 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,943 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,943 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,943 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,944 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,944 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,944 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,944 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,944 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,944 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,944 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,945 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,945 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,945 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,945 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,945 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,945 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,946 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,946 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,946 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,946 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,946 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,946 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,947 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,947 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,947 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,947 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,947 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,947 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,947 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,947 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,948 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,948 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,948 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,948 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,948 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,948 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,948 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,949 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,949 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,949 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,949 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,950 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,950 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,950 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,950 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,950 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,950 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,950 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,951 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,951 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,951 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,951 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,951 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,951 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,951 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,952 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,952 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,952 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,952 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,952 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,952 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,953 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,953 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,953 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,953 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,953 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,953 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,953 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,953 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,954 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,954 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,954 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,954 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,954 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,954 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,954 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,954 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,955 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,955 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,955 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,955 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,955 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,955 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,955 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,956 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,956 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,956 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,956 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,956 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,956 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,957 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,957 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,957 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,957 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,957 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,957 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,957 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,958 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,958 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,958 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,958 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,958 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,959 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,959 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,959 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,959 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,959 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,959 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,959 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,960 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,960 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,960 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,960 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,960 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,960 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,960 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,960 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,961 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,961 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,961 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,961 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,961 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,961 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,961 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,961 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,962 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,962 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,962 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,963 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,963 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,963 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,963 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,963 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,963 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,964 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,964 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,964 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,964 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,964 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,965 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,965 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,965 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,965 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,965 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,965 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,965 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,967 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,967 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,967 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,967 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,968 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,968 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,968 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,968 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,968 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,969 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,969 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,969 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,969 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,970 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,971 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,971 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,971 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,971 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,971 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,971 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,971 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,972 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,972 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,972 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,972 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,972 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,974 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,974 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,974 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,974 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,974 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,974 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,975 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,975 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,975 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,975 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,975 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,975 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,975 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 11:27:31,977 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-09 11:27:31,977 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 11:27:31,977 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-09 11:27:31,977 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 11:27:31,977 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 11:27:31,978 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 11:27:31,978 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 11:27:31,978 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 11:27:31,978 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 11:27:31,980 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-09 11:27:31,980 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 163 places, 179 transitions, 390 flow [2020-10-09 11:27:31,981 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 163 places, 179 transitions, 390 flow [2020-10-09 11:27:31,981 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 163 places, 179 transitions, 390 flow [2020-10-09 11:27:32,015 INFO L129 PetriNetUnfolder]: 29/214 cut-off events. [2020-10-09 11:27:32,015 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-09 11:27:32,019 INFO L80 FinitePrefix]: Finished finitePrefix Result has 237 conditions, 214 events. 29/214 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 671 event pairs, 0 based on Foata normal form. 0/176 useless extension candidates. Maximal degree in co-relation 173. Up to 10 conditions per place. [2020-10-09 11:27:32,037 INFO L117 LiptonReduction]: Number of co-enabled transitions 21840 [2020-10-09 11:27:36,331 WARN L193 SmtUtils]: Spent 4.16 s on a formula simplification that was a NOOP. DAG size: 24 [2020-10-09 11:27:40,494 WARN L193 SmtUtils]: Spent 4.16 s on a formula simplification that was a NOOP. DAG size: 24 [2020-10-09 11:27:40,620 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-09 11:27:40,620 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 11:27:40,632 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-09 11:27:40,632 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 11:27:41,366 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-09 11:27:41,367 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 11:27:41,379 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-09 11:27:41,379 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 11:27:54,298 WARN L193 SmtUtils]: Spent 10.37 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-09 11:28:04,656 WARN L193 SmtUtils]: Spent 10.36 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-09 11:28:07,273 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-09 11:28:09,395 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 28 [2020-10-09 11:28:54,903 WARN L193 SmtUtils]: Spent 45.51 s on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2020-10-09 11:29:11,478 WARN L193 SmtUtils]: Spent 16.57 s on a formula simplification that was a NOOP. DAG size: 24 [2020-10-09 11:29:28,112 WARN L193 SmtUtils]: Spent 16.56 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-09 11:29:42,612 WARN L193 SmtUtils]: Spent 14.50 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-09 11:29:44,743 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 34 [2020-10-09 11:29:46,874 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 34 [2020-10-09 11:29:49,030 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-09 11:29:51,154 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 28 [2020-10-09 11:30:22,247 WARN L193 SmtUtils]: Spent 31.09 s on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2020-10-09 11:30:34,669 WARN L193 SmtUtils]: Spent 12.42 s on a formula simplification that was a NOOP. DAG size: 24 [2020-10-09 11:30:59,629 WARN L193 SmtUtils]: Spent 24.88 s on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2020-10-09 11:31:12,040 WARN L193 SmtUtils]: Spent 12.41 s on a formula simplification that was a NOOP. DAG size: 24 [2020-10-09 11:31:12,042 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-09 11:31:12,042 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 11:31:12,051 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-09 11:31:12,052 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 11:31:53,443 WARN L193 SmtUtils]: Spent 37.26 s on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2020-10-09 11:32:12,062 WARN L193 SmtUtils]: Spent 18.62 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-09 11:32:12,356 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-09 11:32:12,356 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 11:32:12,367 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-10-09 11:32:12,368 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-09 11:32:39,367 WARN L193 SmtUtils]: Spent 26.89 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-09 11:33:06,212 WARN L193 SmtUtils]: Spent 26.84 s on a formula simplification that was a NOOP. DAG size: 30 [2020-10-09 11:33:31,094 WARN L193 SmtUtils]: Spent 24.83 s on a formula simplification that was a NOOP. DAG size: 30 Received shutdown request... [2020-10-09 11:33:39,363 WARN L210 SmtUtils]: Removed 7 from assertion stack [2020-10-09 11:33:39,364 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-09 11:33:39,369 WARN L235 ceAbstractionStarter]: Timeout [2020-10-09 11:33:39,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.10 11:33:39 BasicIcfg [2020-10-09 11:33:39,370 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-09 11:33:39,373 INFO L168 Benchmark]: Toolchain (without parser) took 885534.45 ms. Allocated memory was 245.4 MB in the beginning and 576.7 MB in the end (delta: 331.4 MB). Free memory was 200.7 MB in the beginning and 152.2 MB in the end (delta: 48.5 MB). Peak memory consumption was 379.9 MB. Max. memory is 14.2 GB. [2020-10-09 11:33:39,373 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 245.4 MB. Free memory is still 221.7 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-09 11:33:39,377 INFO L168 Benchmark]: CACSL2BoogieTranslator took 870.71 ms. Allocated memory was 245.4 MB in the beginning and 297.3 MB in the end (delta: 51.9 MB). Free memory was 200.7 MB in the beginning and 252.7 MB in the end (delta: -52.0 MB). Peak memory consumption was 32.9 MB. Max. memory is 14.2 GB. [2020-10-09 11:33:39,378 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.34 ms. Allocated memory is still 297.3 MB. Free memory was 252.7 MB in the beginning and 250.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-09 11:33:39,382 INFO L168 Benchmark]: Boogie Preprocessor took 26.78 ms. Allocated memory is still 297.3 MB. Free memory is still 250.2 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-09 11:33:39,382 INFO L168 Benchmark]: RCFGBuilder took 536.60 ms. Allocated memory is still 297.3 MB. Free memory was 250.2 MB in the beginning and 225.8 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 14.2 GB. [2020-10-09 11:33:39,384 INFO L168 Benchmark]: TraceAbstraction took 884027.72 ms. Allocated memory was 297.3 MB in the beginning and 576.7 MB in the end (delta: 279.4 MB). Free memory was 225.8 MB in the beginning and 152.2 MB in the end (delta: 73.6 MB). Peak memory consumption was 353.1 MB. Max. memory is 14.2 GB. [2020-10-09 11:33:39,392 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 245.4 MB. Free memory is still 221.7 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 870.71 ms. Allocated memory was 245.4 MB in the beginning and 297.3 MB in the end (delta: 51.9 MB). Free memory was 200.7 MB in the beginning and 252.7 MB in the end (delta: -52.0 MB). Peak memory consumption was 32.9 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 66.34 ms. Allocated memory is still 297.3 MB. Free memory was 252.7 MB in the beginning and 250.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 26.78 ms. Allocated memory is still 297.3 MB. Free memory is still 250.2 MB. There was no memory consumed. Max. memory is 14.2 GB. * RCFGBuilder took 536.60 ms. Allocated memory is still 297.3 MB. Free memory was 250.2 MB in the beginning and 225.8 MB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 14.2 GB. * TraceAbstraction took 884027.72 ms. Allocated memory was 297.3 MB in the beginning and 576.7 MB in the end (delta: 279.4 MB). Free memory was 225.8 MB in the beginning and 152.2 MB in the end (delta: 73.6 MB). Peak memory consumption was 353.1 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 512 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 6 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 86.4s, 55 PlacesBefore, 13 PlacesAfterwards, 59 TransitionsBefore, 12 TransitionsAfterwards, 780 CoEnabledTransitionPairs, 5 FixpointIterations, 8 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 15 ConcurrentYvCompositions, 5 ChoiceCompositions, 64 TotalNumberOfCompositions, 668 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 3337 VarBasedMoverChecksPositive, 111 VarBasedMoverChecksNegative, 63 SemBasedMoverChecksPositive, 48 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 235 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 159.1s, 91 PlacesBefore, 32 PlacesAfterwards, 99 TransitionsBefore, 34 TransitionsAfterwards, 4680 CoEnabledTransitionPairs, 6 FixpointIterations, 8 TrivialSequentialCompositions, 69 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 19 ConcurrentYvCompositions, 6 ChoiceCompositions, 102 TotalNumberOfCompositions, 8658 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 8017 VarBasedMoverChecksPositive, 291 VarBasedMoverChecksNegative, 203 SemBasedMoverChecksPositive, 86 SemBasedMoverChecksNegative, 2 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 9.0s, 491 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 267.2s, 127 PlacesBefore, 45 PlacesAfterwards, 139 TransitionsBefore, 49 TransitionsAfterwards, 11700 CoEnabledTransitionPairs, 6 FixpointIterations, 8 TrivialSequentialCompositions, 93 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 29 ConcurrentYvCompositions, 8 ChoiceCompositions, 138 TotalNumberOfCompositions, 21269 MoverChecksTotal - TimeoutResultAtElement [Line: 716]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 716). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNetLargeBlockEncoding was applying PetriNetLargeBlockEncoding to Petri net that has 163 places, 179 transitions, 390 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 163 places, 179 transitions, 390 flow and 3662 co-enabled transitions pairs.,while SimplifyDDAWithTimeout was simplifying term of DAG size 30 for 8267ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 4 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 883.7s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 880.7s, HoareTripleCheckerStatistics: 316 SDtfs, 234 SDslu, 381 SDs, 0 SdLazy, 290 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7453occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 3455 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 1266 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown