/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-ext/06_ticket.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-60655ea [2020-09-14 12:51:56,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-14 12:51:56,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-14 12:51:56,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-14 12:51:56,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-14 12:51:56,752 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-14 12:51:56,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-14 12:51:56,760 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-14 12:51:56,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-14 12:51:56,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-14 12:51:56,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-14 12:51:56,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-14 12:51:56,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-14 12:51:56,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-14 12:51:56,774 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-14 12:51:56,776 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-14 12:51:56,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-14 12:51:56,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-14 12:51:56,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-14 12:51:56,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-14 12:51:56,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-14 12:51:56,795 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-14 12:51:56,796 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-14 12:51:56,797 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-14 12:51:56,811 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-14 12:51:56,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-14 12:51:56,811 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-14 12:51:56,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-14 12:51:56,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-14 12:51:56,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-14 12:51:56,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-14 12:51:56,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-14 12:51:56,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-14 12:51:56,828 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-14 12:51:56,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-14 12:51:56,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-14 12:51:56,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-14 12:51:56,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-14 12:51:56,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-14 12:51:56,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-14 12:51:56,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-14 12:51:56,836 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-14 12:51:56,885 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-14 12:51:56,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-14 12:51:56,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-14 12:51:56,888 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-14 12:51:56,888 INFO L138 SettingsManager]: * Use SBE=true [2020-09-14 12:51:56,888 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-14 12:51:56,889 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-14 12:51:56,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-14 12:51:56,889 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-14 12:51:56,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-14 12:51:56,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-14 12:51:56,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-14 12:51:56,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-14 12:51:56,892 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-14 12:51:56,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-14 12:51:56,892 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-14 12:51:56,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-14 12:51:56,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-14 12:51:56,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-14 12:51:56,893 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-14 12:51:56,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-14 12:51:56,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-14 12:51:56,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-14 12:51:56,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-14 12:51:56,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-14 12:51:56,894 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-14 12:51:56,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-14 12:51:56,895 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-14 12:51:56,895 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-14 12:51:56,895 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-14 12:51:57,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-14 12:51:57,402 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-14 12:51:57,407 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-14 12:51:57,411 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-14 12:51:57,411 INFO L275 PluginConnector]: CDTParser initialized [2020-09-14 12:51:57,413 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/06_ticket.i [2020-09-14 12:51:57,504 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/081b8baf1/fbe6c7ac05d04ee6a7571e8d6b8958b5/FLAG84cb4d912 [2020-09-14 12:51:58,236 INFO L306 CDTParser]: Found 1 translation units. [2020-09-14 12:51:58,238 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-ext/06_ticket.i [2020-09-14 12:51:58,265 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/081b8baf1/fbe6c7ac05d04ee6a7571e8d6b8958b5/FLAG84cb4d912 [2020-09-14 12:51:58,474 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/081b8baf1/fbe6c7ac05d04ee6a7571e8d6b8958b5 [2020-09-14 12:51:58,488 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-14 12:51:58,494 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-14 12:51:58,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-14 12:51:58,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-14 12:51:58,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-14 12:51:58,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 12:51:58" (1/1) ... [2020-09-14 12:51:58,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f30c1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:51:58, skipping insertion in model container [2020-09-14 12:51:58,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 12:51:58" (1/1) ... [2020-09-14 12:51:58,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-14 12:51:58,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-14 12:51:59,087 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-14 12:51:59,110 INFO L203 MainTranslator]: Completed pre-run [2020-09-14 12:51:59,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-14 12:51:59,278 INFO L208 MainTranslator]: Completed translation [2020-09-14 12:51:59,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:51:59 WrapperNode [2020-09-14 12:51:59,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-14 12:51:59,282 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-14 12:51:59,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-14 12:51:59,282 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-14 12:51:59,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:51:59" (1/1) ... [2020-09-14 12:51:59,321 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:51:59" (1/1) ... [2020-09-14 12:51:59,355 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-14 12:51:59,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-14 12:51:59,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-14 12:51:59,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-14 12:51:59,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:51:59" (1/1) ... [2020-09-14 12:51:59,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:51:59" (1/1) ... [2020-09-14 12:51:59,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:51:59" (1/1) ... [2020-09-14 12:51:59,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:51:59" (1/1) ... [2020-09-14 12:51:59,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:51:59" (1/1) ... [2020-09-14 12:51:59,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:51:59" (1/1) ... [2020-09-14 12:51:59,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:51:59" (1/1) ... [2020-09-14 12:51:59,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-14 12:51:59,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-14 12:51:59,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-14 12:51:59,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-14 12:51:59,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:51:59" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-14 12:51:59,467 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-09-14 12:51:59,467 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-09-14 12:51:59,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-14 12:51:59,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-09-14 12:51:59,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-14 12:51:59,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-14 12:51:59,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-09-14 12:51:59,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-14 12:51:59,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-14 12:51:59,471 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-14 12:51:59,914 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-14 12:51:59,915 INFO L295 CfgBuilder]: Removed 14 assume(true) statements. [2020-09-14 12:51:59,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 12:51:59 BoogieIcfgContainer [2020-09-14 12:51:59,919 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-14 12:51:59,921 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-14 12:51:59,921 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-14 12:51:59,925 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-14 12:51:59,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.09 12:51:58" (1/3) ... [2020-09-14 12:51:59,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21bd4eaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 12:51:59, skipping insertion in model container [2020-09-14 12:51:59,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:51:59" (2/3) ... [2020-09-14 12:51:59,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21bd4eaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 12:51:59, skipping insertion in model container [2020-09-14 12:51:59,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 12:51:59" (3/3) ... [2020-09-14 12:51:59,930 INFO L109 eAbstractionObserver]: Analyzing ICFG 06_ticket.i [2020-09-14 12:51:59,944 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-14 12:51:59,945 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-14 12:51:59,956 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-14 12:51:59,957 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-14 12:51:59,991 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:51:59,992 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:51:59,992 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:51:59,992 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:51:59,993 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:51:59,993 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:51:59,993 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:51:59,994 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:51:59,994 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:51:59,994 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:51:59,995 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:51:59,995 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:51:59,995 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:51:59,995 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:51:59,996 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:51:59,996 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:51:59,996 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:51:59,996 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:51:59,997 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:51:59,997 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:51:59,998 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:51:59,998 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:51:59,998 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:51:59,999 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:51:59,999 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:51:59,999 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:51:59,999 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:52:00,000 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:52:00,000 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:52:00,000 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:52:00,001 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:52:00,001 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:52:00,001 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:52:00,002 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:52:00,002 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:52:00,002 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:52:00,003 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:52:00,003 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:52:00,003 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:52:00,008 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:52:00,009 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:52:00,009 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:52:00,009 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:52:00,009 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:52:00,010 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:52:00,010 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:52:00,010 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:52:00,011 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:52:00,011 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:52:00,011 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:52:00,011 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:52:00,012 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:52:00,035 INFO L251 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-09-14 12:52:00,062 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-14 12:52:00,062 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-14 12:52:00,062 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-14 12:52:00,062 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-14 12:52:00,062 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-14 12:52:00,063 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-14 12:52:00,063 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-14 12:52:00,063 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-14 12:52:00,079 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 59 transitions, 123 flow [2020-09-14 12:52:00,081 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 55 places, 59 transitions, 123 flow [2020-09-14 12:52:00,125 INFO L129 PetriNetUnfolder]: 8/67 cut-off events. [2020-09-14 12:52:00,125 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-14 12:52:00,132 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 61 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. [2020-09-14 12:52:00,135 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 55 places, 59 transitions, 123 flow [2020-09-14 12:52:00,154 INFO L129 PetriNetUnfolder]: 8/67 cut-off events. [2020-09-14 12:52:00,154 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-09-14 12:52:00,156 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 61 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. [2020-09-14 12:52:00,158 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 780 [2020-09-14 12:52:00,159 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-14 12:52:04,440 WARN L193 SmtUtils]: Spent 4.15 s on a formula simplification that was a NOOP. DAG size: 21 [2020-09-14 12:52:10,672 WARN L193 SmtUtils]: Spent 6.23 s on a formula simplification that was a NOOP. DAG size: 21 [2020-09-14 12:53:11,791 WARN L193 SmtUtils]: Spent 1.00 m on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2020-09-14 12:53:36,684 WARN L193 SmtUtils]: Spent 24.89 s on a formula simplification that was a NOOP. DAG size: 30 [2020-09-14 12:53:36,763 INFO L206 etLargeBlockEncoding]: Checked pairs total: 539 [2020-09-14 12:53:36,763 INFO L214 etLargeBlockEncoding]: Total number of compositions: 61 [2020-09-14 12:53:36,769 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 13 places, 12 transitions, 29 flow [2020-09-14 12:53:36,781 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 29 states. [2020-09-14 12:53:36,784 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-09-14 12:53:36,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-09-14 12:53:36,792 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:53:36,794 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-09-14 12:53:36,795 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-14 12:53:36,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:53:36,803 INFO L82 PathProgramCache]: Analyzing trace with hash 280006657, now seen corresponding path program 1 times [2020-09-14 12:53:36,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:53:36,817 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973390713] [2020-09-14 12:53:36,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:53:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:53:37,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:53:37,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973390713] [2020-09-14 12:53:37,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:53:37,004 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-14 12:53:37,005 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857183802] [2020-09-14 12:53:37,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-09-14 12:53:37,011 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:53:37,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-09-14 12:53:37,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-14 12:53:37,035 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 2 states. [2020-09-14 12:53:37,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:53:37,052 INFO L93 Difference]: Finished difference Result 23 states and 38 transitions. [2020-09-14 12:53:37,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-09-14 12:53:37,054 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2020-09-14 12:53:37,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:53:37,067 INFO L225 Difference]: With dead ends: 23 [2020-09-14 12:53:37,067 INFO L226 Difference]: Without dead ends: 23 [2020-09-14 12:53:37,069 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-14 12:53:37,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-09-14 12:53:37,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-09-14 12:53:37,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-09-14 12:53:37,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 38 transitions. [2020-09-14 12:53:37,108 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 38 transitions. Word has length 5 [2020-09-14 12:53:37,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:53:37,108 INFO L479 AbstractCegarLoop]: Abstraction has 23 states and 38 transitions. [2020-09-14 12:53:37,108 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-09-14 12:53:37,108 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2020-09-14 12:53:37,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-09-14 12:53:37,109 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:53:37,109 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-09-14 12:53:37,110 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-14 12:53:37,110 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2020-09-14 12:53:37,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:53:37,110 INFO L82 PathProgramCache]: Analyzing trace with hash 90166428, now seen corresponding path program 1 times [2020-09-14 12:53:37,111 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:53:37,111 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050354552] [2020-09-14 12:53:37,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:53:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-14 12:53:37,140 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-14 12:53:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-14 12:53:37,156 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-14 12:53:37,183 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-14 12:53:37,183 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-14 12:53:37,185 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-14 12:53:37,186 WARN L363 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-14 12:53:37,186 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-09-14 12:53:37,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,197 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,197 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,198 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,198 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,199 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,199 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,200 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,200 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,201 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,201 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,202 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,202 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,203 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,203 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,204 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,205 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,206 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,207 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,208 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,208 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,208 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,208 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,209 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,209 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,209 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,209 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,210 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,210 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,211 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,211 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,211 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,212 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,212 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,212 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,212 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,213 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,213 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,213 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,213 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,214 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,214 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,214 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,214 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,215 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,215 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,215 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,216 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,216 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,216 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,216 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,217 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,217 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,217 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,218 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,218 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,218 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,218 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,219 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,219 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,219 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,220 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,220 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,220 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,220 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,225 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,226 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,226 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,226 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,227 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,227 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,227 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,227 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,228 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,228 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,228 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,228 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,229 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:53:37,240 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-09-14 12:53:37,241 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-14 12:53:37,241 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-14 12:53:37,241 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-14 12:53:37,241 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-14 12:53:37,242 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-14 12:53:37,242 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-14 12:53:37,242 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-14 12:53:37,242 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-14 12:53:37,245 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 99 transitions, 210 flow [2020-09-14 12:53:37,246 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 91 places, 99 transitions, 210 flow [2020-09-14 12:53:37,297 INFO L129 PetriNetUnfolder]: 15/116 cut-off events. [2020-09-14 12:53:37,297 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-09-14 12:53:37,301 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 215 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. [2020-09-14 12:53:37,308 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 91 places, 99 transitions, 210 flow [2020-09-14 12:53:37,352 INFO L129 PetriNetUnfolder]: 15/116 cut-off events. [2020-09-14 12:53:37,353 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-09-14 12:53:37,357 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 215 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. [2020-09-14 12:53:37,365 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 4680 [2020-09-14 12:53:37,365 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-14 12:53:40,349 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 21 [2020-09-14 12:53:40,913 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-09-14 12:53:40,914 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:53:40,926 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-09-14 12:53:40,926 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:54:12,086 WARN L193 SmtUtils]: Spent 29.09 s on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2020-09-14 12:54:20,398 WARN L193 SmtUtils]: Spent 8.31 s on a formula simplification that was a NOOP. DAG size: 30 [2020-09-14 12:54:58,271 WARN L193 SmtUtils]: Spent 37.38 s on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2020-09-14 12:55:10,726 WARN L193 SmtUtils]: Spent 12.45 s on a formula simplification that was a NOOP. DAG size: 30 [2020-09-14 12:55:10,850 INFO L206 etLargeBlockEncoding]: Checked pairs total: 7252 [2020-09-14 12:55:10,850 INFO L214 etLargeBlockEncoding]: Total number of compositions: 93 [2020-09-14 12:55:10,850 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 34 transitions, 80 flow [2020-09-14 12:55:10,886 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 653 states. [2020-09-14 12:55:10,887 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states. [2020-09-14 12:55:10,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-09-14 12:55:10,888 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:55:10,888 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-09-14 12:55:10,888 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:55:10,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:55:10,889 INFO L82 PathProgramCache]: Analyzing trace with hash 510554347, now seen corresponding path program 1 times [2020-09-14 12:55:10,889 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:55:10,889 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432433771] [2020-09-14 12:55:10,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:55:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:55:10,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:55:10,935 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432433771] [2020-09-14 12:55:10,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:55:10,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-14 12:55:10,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359924862] [2020-09-14 12:55:10,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-09-14 12:55:10,936 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:55:10,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-09-14 12:55:10,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-14 12:55:10,937 INFO L87 Difference]: Start difference. First operand 653 states. Second operand 2 states. [2020-09-14 12:55:10,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:55:10,968 INFO L93 Difference]: Finished difference Result 520 states and 1400 transitions. [2020-09-14 12:55:10,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-09-14 12:55:10,968 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2020-09-14 12:55:10,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:55:10,986 INFO L225 Difference]: With dead ends: 520 [2020-09-14 12:55:10,986 INFO L226 Difference]: Without dead ends: 520 [2020-09-14 12:55:10,987 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-14 12:55:11,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2020-09-14 12:55:11,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 520. [2020-09-14 12:55:11,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2020-09-14 12:55:11,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 1400 transitions. [2020-09-14 12:55:11,069 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 1400 transitions. Word has length 5 [2020-09-14 12:55:11,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:55:11,069 INFO L479 AbstractCegarLoop]: Abstraction has 520 states and 1400 transitions. [2020-09-14 12:55:11,069 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-09-14 12:55:11,069 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 1400 transitions. [2020-09-14 12:55:11,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-09-14 12:55:11,071 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:55:11,071 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:55:11,071 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-14 12:55:11,072 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:55:11,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:55:11,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1443241368, now seen corresponding path program 1 times [2020-09-14 12:55:11,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:55:11,073 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857289394] [2020-09-14 12:55:11,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:55:11,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:55:11,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:55:11,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857289394] [2020-09-14 12:55:11,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:55:11,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-14 12:55:11,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793985261] [2020-09-14 12:55:11,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-14 12:55:11,239 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:55:11,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-14 12:55:11,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-14 12:55:11,240 INFO L87 Difference]: Start difference. First operand 520 states and 1400 transitions. Second operand 5 states. [2020-09-14 12:55:11,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:55:11,410 INFO L93 Difference]: Finished difference Result 657 states and 1747 transitions. [2020-09-14 12:55:11,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-14 12:55:11,410 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-09-14 12:55:11,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:55:11,424 INFO L225 Difference]: With dead ends: 657 [2020-09-14 12:55:11,424 INFO L226 Difference]: Without dead ends: 657 [2020-09-14 12:55:11,425 INFO L675 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 [2020-09-14 12:55:11,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2020-09-14 12:55:11,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 565. [2020-09-14 12:55:11,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2020-09-14 12:55:11,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 1510 transitions. [2020-09-14 12:55:11,489 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 1510 transitions. Word has length 8 [2020-09-14 12:55:11,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:55:11,490 INFO L479 AbstractCegarLoop]: Abstraction has 565 states and 1510 transitions. [2020-09-14 12:55:11,490 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-14 12:55:11,490 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 1510 transitions. [2020-09-14 12:55:11,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-09-14 12:55:11,491 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:55:11,491 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2020-09-14 12:55:11,491 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-14 12:55:11,492 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:55:11,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:55:11,492 INFO L82 PathProgramCache]: Analyzing trace with hash 905477175, now seen corresponding path program 1 times [2020-09-14 12:55:11,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:55:11,493 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418682981] [2020-09-14 12:55:11,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:55:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-14 12:55:11,512 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-14 12:55:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-14 12:55:11,525 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-14 12:55:11,531 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-14 12:55:11,531 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-14 12:55:11,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-14 12:55:11,532 WARN L363 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-14 12:55:11,533 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-09-14 12:55:11,542 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,543 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,543 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,543 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,543 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,543 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,544 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,544 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,544 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,544 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,544 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,545 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,545 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,545 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,545 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,545 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,545 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,546 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,546 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,546 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,546 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,546 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,547 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,547 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,547 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,547 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,547 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,547 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,548 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,548 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,548 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,548 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,548 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,549 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,549 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,549 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,549 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,549 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,549 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,550 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,550 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,550 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,551 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,551 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,551 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,551 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,551 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,551 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,552 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,552 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,552 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,552 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,552 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,552 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,553 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,553 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,553 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,553 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,553 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,554 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,554 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,554 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,554 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,554 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,555 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,555 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,555 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,555 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,555 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,556 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,556 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,556 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,556 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,556 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,556 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,557 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,557 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,557 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,558 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,558 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,558 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,558 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,558 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,558 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,559 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,559 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,559 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,559 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,559 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,559 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,559 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,560 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,560 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,560 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,560 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,560 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,560 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,560 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,560 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,561 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,561 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,561 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,561 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,561 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,561 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,561 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,561 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,561 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,562 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,562 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,562 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,562 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,562 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,562 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,562 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,563 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,563 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,563 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,563 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,563 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,563 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,564 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,564 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,564 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,564 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,564 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,565 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,565 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,565 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,565 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,567 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,567 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,568 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,568 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,568 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,568 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,568 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,572 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,573 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,573 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,573 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,573 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,573 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,573 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,574 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,574 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:55:11,576 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-09-14 12:55:11,576 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-14 12:55:11,576 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-14 12:55:11,576 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-14 12:55:11,576 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-14 12:55:11,576 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-14 12:55:11,576 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-14 12:55:11,576 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-14 12:55:11,576 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-14 12:55:11,578 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 139 transitions, 299 flow [2020-09-14 12:55:11,578 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 127 places, 139 transitions, 299 flow [2020-09-14 12:55:11,602 INFO L129 PetriNetUnfolder]: 22/165 cut-off events. [2020-09-14 12:55:11,602 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-09-14 12:55:11,605 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. [2020-09-14 12:55:11,615 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 127 places, 139 transitions, 299 flow [2020-09-14 12:55:11,635 INFO L129 PetriNetUnfolder]: 22/165 cut-off events. [2020-09-14 12:55:11,635 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-09-14 12:55:11,638 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. [2020-09-14 12:55:11,648 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 11700 [2020-09-14 12:55:11,648 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-14 12:55:20,735 WARN L193 SmtUtils]: Spent 8.30 s on a formula simplification that was a NOOP. DAG size: 21 [2020-09-14 12:55:29,039 WARN L193 SmtUtils]: Spent 8.30 s on a formula simplification that was a NOOP. DAG size: 21 [2020-09-14 12:55:29,047 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-09-14 12:55:29,048 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:55:29,065 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-09-14 12:55:29,065 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:55:31,545 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-09-14 12:55:31,545 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:55:31,556 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-09-14 12:55:31,556 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:55:34,229 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-09-14 12:55:34,229 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:55:34,241 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-09-14 12:55:34,241 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:56:05,384 WARN L193 SmtUtils]: Spent 31.13 s on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2020-09-14 12:56:19,923 WARN L193 SmtUtils]: Spent 14.54 s on a formula simplification that was a NOOP. DAG size: 24 [2020-09-14 12:56:19,948 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-09-14 12:56:19,949 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:56:19,959 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-09-14 12:56:19,959 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:56:53,156 WARN L193 SmtUtils]: Spent 31.14 s on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2020-09-14 12:57:09,742 WARN L193 SmtUtils]: Spent 16.58 s on a formula simplification that was a NOOP. DAG size: 24 [2020-09-14 12:57:09,801 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-09-14 12:57:09,801 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:57:09,816 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-09-14 12:57:09,817 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:57:49,344 WARN L193 SmtUtils]: Spent 39.38 s on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2020-09-14 12:58:20,371 WARN L193 SmtUtils]: Spent 31.03 s on a formula simplification that was a NOOP. DAG size: 30 [2020-09-14 12:58:30,963 WARN L193 SmtUtils]: Spent 10.40 s on a formula simplification that was a NOOP. DAG size: 30 [2020-09-14 12:58:45,501 WARN L193 SmtUtils]: Spent 14.54 s on a formula simplification that was a NOOP. DAG size: 30 [2020-09-14 12:59:04,312 WARN L193 SmtUtils]: Spent 18.65 s on a formula simplification that was a NOOP. DAG size: 30 [2020-09-14 12:59:29,136 WARN L193 SmtUtils]: Spent 24.82 s on a formula simplification that was a NOOP. DAG size: 30 [2020-09-14 12:59:33,337 WARN L193 SmtUtils]: Spent 4.20 s on a formula simplification that was a NOOP. DAG size: 32 [2020-09-14 12:59:35,469 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 32 [2020-09-14 12:59:35,968 INFO L206 etLargeBlockEncoding]: Checked pairs total: 19576 [2020-09-14 12:59:35,969 INFO L214 etLargeBlockEncoding]: Total number of compositions: 130 [2020-09-14 12:59:35,969 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 49 transitions, 119 flow [2020-09-14 12:59:36,456 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 7187 states. [2020-09-14 12:59:36,456 INFO L276 IsEmpty]: Start isEmpty. Operand 7187 states. [2020-09-14 12:59:36,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-09-14 12:59:36,457 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:59:36,457 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-09-14 12:59:36,457 INFO L427 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:59:36,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:59:36,458 INFO L82 PathProgramCache]: Analyzing trace with hash 801024743, now seen corresponding path program 1 times [2020-09-14 12:59:36,458 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:59:36,458 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549073112] [2020-09-14 12:59:36,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:59:36,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:59:36,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:59:36,484 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549073112] [2020-09-14 12:59:36,484 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:59:36,484 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-14 12:59:36,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073078229] [2020-09-14 12:59:36,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-09-14 12:59:36,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:59:36,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-09-14 12:59:36,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-14 12:59:36,486 INFO L87 Difference]: Start difference. First operand 7187 states. Second operand 2 states. [2020-09-14 12:59:36,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:59:36,574 INFO L93 Difference]: Finished difference Result 5723 states and 21123 transitions. [2020-09-14 12:59:36,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-09-14 12:59:36,574 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2020-09-14 12:59:36,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:59:36,641 INFO L225 Difference]: With dead ends: 5723 [2020-09-14 12:59:36,642 INFO L226 Difference]: Without dead ends: 5723 [2020-09-14 12:59:36,642 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-14 12:59:36,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5723 states. [2020-09-14 12:59:36,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5723 to 5723. [2020-09-14 12:59:36,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5723 states. [2020-09-14 12:59:37,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5723 states to 5723 states and 21123 transitions. [2020-09-14 12:59:37,006 INFO L78 Accepts]: Start accepts. Automaton has 5723 states and 21123 transitions. Word has length 5 [2020-09-14 12:59:37,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:59:37,007 INFO L479 AbstractCegarLoop]: Abstraction has 5723 states and 21123 transitions. [2020-09-14 12:59:37,007 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-09-14 12:59:37,007 INFO L276 IsEmpty]: Start isEmpty. Operand 5723 states and 21123 transitions. [2020-09-14 12:59:37,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-09-14 12:59:37,009 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:59:37,009 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:59:37,009 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-14 12:59:37,009 INFO L427 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:59:37,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:59:37,010 INFO L82 PathProgramCache]: Analyzing trace with hash 480170840, now seen corresponding path program 1 times [2020-09-14 12:59:37,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:59:37,010 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526180304] [2020-09-14 12:59:37,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:59:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:59:37,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:59:37,200 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526180304] [2020-09-14 12:59:37,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:59:37,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-14 12:59:37,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549744531] [2020-09-14 12:59:37,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-14 12:59:37,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:59:37,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-14 12:59:37,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-14 12:59:37,203 INFO L87 Difference]: Start difference. First operand 5723 states and 21123 transitions. Second operand 5 states. [2020-09-14 12:59:37,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:59:37,660 INFO L93 Difference]: Finished difference Result 8300 states and 29773 transitions. [2020-09-14 12:59:37,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-14 12:59:37,661 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2020-09-14 12:59:37,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:59:37,751 INFO L225 Difference]: With dead ends: 8300 [2020-09-14 12:59:37,751 INFO L226 Difference]: Without dead ends: 8300 [2020-09-14 12:59:37,752 INFO L675 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 [2020-09-14 12:59:37,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8300 states. [2020-09-14 12:59:38,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8300 to 6844. [2020-09-14 12:59:38,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6844 states. [2020-09-14 12:59:38,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6844 states to 6844 states and 25077 transitions. [2020-09-14 12:59:38,053 INFO L78 Accepts]: Start accepts. Automaton has 6844 states and 25077 transitions. Word has length 8 [2020-09-14 12:59:38,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:59:38,054 INFO L479 AbstractCegarLoop]: Abstraction has 6844 states and 25077 transitions. [2020-09-14 12:59:38,054 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-14 12:59:38,054 INFO L276 IsEmpty]: Start isEmpty. Operand 6844 states and 25077 transitions. [2020-09-14 12:59:38,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-09-14 12:59:38,057 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:59:38,057 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:59:38,057 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-14 12:59:38,057 INFO L427 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:59:38,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:59:38,058 INFO L82 PathProgramCache]: Analyzing trace with hash -1897323398, now seen corresponding path program 1 times [2020-09-14 12:59:38,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:59:38,059 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843564585] [2020-09-14 12:59:38,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:59:38,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:59:38,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-14 12:59:38,326 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843564585] [2020-09-14 12:59:38,326 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:59:38,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-14 12:59:38,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657899268] [2020-09-14 12:59:38,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-14 12:59:38,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:59:38,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-14 12:59:38,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-09-14 12:59:38,328 INFO L87 Difference]: Start difference. First operand 6844 states and 25077 transitions. Second operand 5 states. [2020-09-14 12:59:38,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:59:38,592 INFO L93 Difference]: Finished difference Result 9360 states and 33488 transitions. [2020-09-14 12:59:38,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-14 12:59:38,593 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-09-14 12:59:38,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:59:38,636 INFO L225 Difference]: With dead ends: 9360 [2020-09-14 12:59:38,636 INFO L226 Difference]: Without dead ends: 9360 [2020-09-14 12:59:38,637 INFO L675 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 [2020-09-14 12:59:38,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9360 states. [2020-09-14 12:59:38,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9360 to 7453. [2020-09-14 12:59:38,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7453 states. [2020-09-14 12:59:39,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7453 states to 7453 states and 27180 transitions. [2020-09-14 12:59:39,632 INFO L78 Accepts]: Start accepts. Automaton has 7453 states and 27180 transitions. Word has length 11 [2020-09-14 12:59:39,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:59:39,633 INFO L479 AbstractCegarLoop]: Abstraction has 7453 states and 27180 transitions. [2020-09-14 12:59:39,634 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-14 12:59:39,634 INFO L276 IsEmpty]: Start isEmpty. Operand 7453 states and 27180 transitions. [2020-09-14 12:59:39,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-09-14 12:59:39,640 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:59:39,640 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2020-09-14 12:59:39,641 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-14 12:59:39,641 INFO L427 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:59:39,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:59:39,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1479022550, now seen corresponding path program 1 times [2020-09-14 12:59:39,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:59:39,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514395864] [2020-09-14 12:59:39,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:59:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-14 12:59:39,674 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-14 12:59:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-14 12:59:39,703 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-14 12:59:39,715 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-09-14 12:59:39,716 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-14 12:59:39,719 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-14 12:59:39,719 WARN L363 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-09-14 12:59:39,720 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-09-14 12:59:39,733 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,733 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,733 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,733 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,733 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,734 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,734 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,734 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,734 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,735 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,735 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,735 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,735 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,735 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,735 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,735 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,736 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,736 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,736 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,736 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,736 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,736 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,737 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,737 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,737 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,737 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,744 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,744 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,744 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,744 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,745 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,745 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,745 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,745 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,745 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,745 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,746 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,746 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,746 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,746 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,746 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,746 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,747 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,748 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,748 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,748 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,749 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,749 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,749 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,749 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,749 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,749 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,749 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,749 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,749 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,750 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,750 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,750 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,750 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,750 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,751 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,751 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,751 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,751 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,751 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,751 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,751 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,752 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,752 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,752 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,752 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,752 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,752 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,753 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,753 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,754 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,754 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,754 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,754 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,754 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,754 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,754 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,754 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,755 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,755 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,755 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,755 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,755 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,755 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,755 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,755 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,755 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,755 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,755 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,756 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,756 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,756 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,756 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,756 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,756 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,757 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,757 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,758 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,758 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,758 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,758 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,758 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,758 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,758 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,758 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,758 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,759 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,759 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,759 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,759 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,759 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,759 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,760 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,761 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,761 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,761 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,761 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,761 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,761 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,761 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,762 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,762 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,762 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,762 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,762 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,762 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,762 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,763 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,763 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,763 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,763 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,763 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,763 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,763 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,764 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,764 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,764 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,764 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,764 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,764 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,764 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,765 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,765 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,765 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,765 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,765 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,765 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,765 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,766 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,766 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,766 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,766 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,767 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,767 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,767 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,767 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,767 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,767 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,767 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,768 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,768 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,768 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,768 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,768 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,772 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,772 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,772 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,772 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,772 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,773 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,773 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,773 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,773 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,773 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,773 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,773 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,773 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,775 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,775 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,775 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,775 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,775 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,775 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,775 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,775 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,776 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,776 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,776 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,776 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,776 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,778 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,778 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_release_lock_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,779 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,779 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_acquire_lock_~my_ticket~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,780 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_acquire_lock_#t~ret2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,780 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_fetch_and_increment__next_ticket_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:59:39,781 INFO L251 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-09-14 12:59:39,782 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-14 12:59:39,782 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-14 12:59:39,782 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-14 12:59:39,782 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-14 12:59:39,782 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-14 12:59:39,782 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-14 12:59:39,783 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-14 12:59:39,783 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-14 12:59:39,785 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 163 places, 179 transitions, 390 flow [2020-09-14 12:59:39,785 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 163 places, 179 transitions, 390 flow [2020-09-14 12:59:39,814 INFO L129 PetriNetUnfolder]: 29/214 cut-off events. [2020-09-14 12:59:39,814 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-09-14 12:59:39,817 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. [2020-09-14 12:59:39,836 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 163 places, 179 transitions, 390 flow [2020-09-14 12:59:39,864 INFO L129 PetriNetUnfolder]: 29/214 cut-off events. [2020-09-14 12:59:39,865 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-09-14 12:59:39,868 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. [2020-09-14 12:59:39,879 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 21840 [2020-09-14 12:59:39,879 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-14 12:59:40,299 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-09-14 12:59:40,300 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:59:40,309 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-09-14 12:59:40,310 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:59:41,208 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-09-14 12:59:41,209 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:59:43,287 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-09-14 12:59:43,288 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:59:45,585 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 21 [2020-09-14 12:59:47,689 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 21 [2020-09-14 12:59:49,862 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 24 [2020-09-14 12:59:58,340 WARN L193 SmtUtils]: Spent 8.34 s on a formula simplification that was a NOOP. DAG size: 30 [2020-09-14 13:00:06,693 WARN L193 SmtUtils]: Spent 8.35 s on a formula simplification that was a NOOP. DAG size: 30 [2020-09-14 13:00:17,141 WARN L193 SmtUtils]: Spent 10.37 s on a formula simplification that was a NOOP. DAG size: 26 [2020-09-14 13:00:23,397 WARN L193 SmtUtils]: Spent 6.25 s on a formula simplification that was a NOOP. DAG size: 26 [2020-09-14 13:00:25,655 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 28 [2020-09-14 13:00:29,856 WARN L193 SmtUtils]: Spent 4.20 s on a formula simplification that was a NOOP. DAG size: 28 [2020-09-14 13:00:32,113 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 30 [2020-09-14 13:01:11,577 WARN L193 SmtUtils]: Spent 39.39 s on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2020-09-14 13:01:28,138 WARN L193 SmtUtils]: Spent 16.56 s on a formula simplification that was a NOOP. DAG size: 24 [2020-09-14 13:01:53,147 WARN L193 SmtUtils]: Spent 24.91 s on a formula simplification that was a NOOP. DAG size: 30 [2020-09-14 13:02:20,106 WARN L193 SmtUtils]: Spent 26.96 s on a formula simplification that was a NOOP. DAG size: 30 [2020-09-14 13:02:22,252 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 34 [2020-09-14 13:02:24,400 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 34 [2020-09-14 13:02:26,593 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 30 [2020-09-14 13:02:32,863 WARN L193 SmtUtils]: Spent 6.27 s on a formula simplification that was a NOOP. DAG size: 28 [2020-09-14 13:03:06,067 WARN L193 SmtUtils]: Spent 33.20 s on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2020-09-14 13:03:24,739 WARN L193 SmtUtils]: Spent 18.67 s on a formula simplification that was a NOOP. DAG size: 24 [2020-09-14 13:04:08,382 WARN L193 SmtUtils]: Spent 43.54 s on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2020-09-14 13:04:24,960 WARN L193 SmtUtils]: Spent 16.58 s on a formula simplification that was a NOOP. DAG size: 24 [2020-09-14 13:04:24,962 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-09-14 13:04:24,963 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 13:04:24,978 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-09-14 13:04:24,978 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 13:04:54,139 WARN L193 SmtUtils]: Spent 29.14 s on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2020-09-14 13:05:19,016 WARN L193 SmtUtils]: Spent 24.88 s on a formula simplification that was a NOOP. DAG size: 30 [2020-09-14 13:05:19,383 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-09-14 13:05:19,383 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 13:05:19,392 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-09-14 13:05:19,393 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 13:05:42,381 WARN L193 SmtUtils]: Spent 22.80 s on a formula simplification that was a NOOP. DAG size: 30 [2020-09-14 13:05:50,694 WARN L193 SmtUtils]: Spent 8.31 s on a formula simplification that was a NOOP. DAG size: 30 [2020-09-14 13:06:21,810 WARN L193 SmtUtils]: Spent 31.03 s on a formula simplification that was a NOOP. DAG size: 30