/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-b8dbc81 [2023-01-28 02:56:42,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-28 02:56:42,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-28 02:56:42,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-28 02:56:42,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-28 02:56:42,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-28 02:56:42,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-28 02:56:42,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-28 02:56:42,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-28 02:56:42,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-28 02:56:42,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-28 02:56:42,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-28 02:56:42,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-28 02:56:42,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-28 02:56:42,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-28 02:56:42,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-28 02:56:42,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-28 02:56:42,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-28 02:56:42,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-28 02:56:42,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-28 02:56:42,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-28 02:56:42,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-28 02:56:42,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-28 02:56:42,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-28 02:56:42,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-01-28 02:56:42,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-01-28 02:56:42,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-01-28 02:56:42,581 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-01-28 02:56:42,582 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-01-28 02:56:42,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-01-28 02:56:42,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-01-28 02:56:42,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-01-28 02:56:42,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-01-28 02:56:42,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-01-28 02:56:42,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-01-28 02:56:42,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-01-28 02:56:42,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-01-28 02:56:42,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-01-28 02:56:42,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-28 02:56:42,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-28 02:56:42,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-28 02:56:42,588 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-01-28 02:56:42,608 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-28 02:56:42,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-28 02:56:42,609 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-28 02:56:42,609 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-28 02:56:42,610 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-28 02:56:42,610 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-28 02:56:42,610 INFO L138 SettingsManager]: * Use SBE=true [2023-01-28 02:56:42,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-28 02:56:42,611 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-28 02:56:42,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-28 02:56:42,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-28 02:56:42,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-28 02:56:42,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-28 02:56:42,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-28 02:56:42,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-28 02:56:42,612 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-28 02:56:42,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-28 02:56:42,612 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-28 02:56:42,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-28 02:56:42,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-28 02:56:42,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-28 02:56:42,613 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-28 02:56:42,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-28 02:56:42,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 02:56:42,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-28 02:56:42,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-28 02:56:42,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-28 02:56:42,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-28 02:56:42,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-28 02:56:42,614 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-01-28 02:56:42,614 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-28 02:56:42,614 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-01-28 02:56:42,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-28 02:56:42,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-28 02:56:42,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-28 02:56:42,895 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-28 02:56:42,895 INFO L275 PluginConnector]: CDTParser initialized [2023-01-28 02:56:42,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c [2023-01-28 02:56:43,978 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-28 02:56:44,199 INFO L351 CDTParser]: Found 1 translation units. [2023-01-28 02:56:44,200 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c [2023-01-28 02:56:44,211 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a32ae56ea/03d2dfd913c8484d977141c4abd0cc67/FLAG2cff4d660 [2023-01-28 02:56:44,221 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a32ae56ea/03d2dfd913c8484d977141c4abd0cc67 [2023-01-28 02:56:44,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-28 02:56:44,225 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-28 02:56:44,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-28 02:56:44,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-28 02:56:44,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-28 02:56:44,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 02:56:44" (1/1) ... [2023-01-28 02:56:44,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b19c2e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:56:44, skipping insertion in model container [2023-01-28 02:56:44,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 02:56:44" (1/1) ... [2023-01-28 02:56:44,237 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-28 02:56:44,273 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-28 02:56:44,602 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c[19262,19275] [2023-01-28 02:56:44,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 02:56:44,624 INFO L203 MainTranslator]: Completed pre-run [2023-01-28 02:56:44,723 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c[19262,19275] [2023-01-28 02:56:44,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 02:56:44,732 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-01-28 02:56:44,732 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-01-28 02:56:44,738 INFO L208 MainTranslator]: Completed translation [2023-01-28 02:56:44,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:56:44 WrapperNode [2023-01-28 02:56:44,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-28 02:56:44,739 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-28 02:56:44,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-28 02:56:44,739 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-28 02:56:44,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:56:44" (1/1) ... [2023-01-28 02:56:44,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:56:44" (1/1) ... [2023-01-28 02:56:44,869 INFO L138 Inliner]: procedures = 26, calls = 454, calls flagged for inlining = 100, calls inlined = 144, statements flattened = 2365 [2023-01-28 02:56:44,870 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-28 02:56:44,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-28 02:56:44,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-28 02:56:44,871 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-28 02:56:44,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:56:44" (1/1) ... [2023-01-28 02:56:44,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:56:44" (1/1) ... [2023-01-28 02:56:44,893 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:56:44" (1/1) ... [2023-01-28 02:56:44,894 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:56:44" (1/1) ... [2023-01-28 02:56:44,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:56:44" (1/1) ... [2023-01-28 02:56:44,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:56:44" (1/1) ... [2023-01-28 02:56:44,984 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:56:44" (1/1) ... [2023-01-28 02:56:45,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:56:44" (1/1) ... [2023-01-28 02:56:45,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-28 02:56:45,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-28 02:56:45,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-28 02:56:45,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-28 02:56:45,052 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:56:44" (1/1) ... [2023-01-28 02:56:45,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 02:56:45,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 02:56:45,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-01-28 02:56:45,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-01-28 02:56:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-28 02:56:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-28 02:56:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-28 02:56:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-28 02:56:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-01-28 02:56:45,122 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-01-28 02:56:45,122 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-01-28 02:56:45,123 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-01-28 02:56:45,123 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-01-28 02:56:45,123 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-01-28 02:56:45,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-28 02:56:45,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-01-28 02:56:45,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-01-28 02:56:45,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-01-28 02:56:45,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-28 02:56:45,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-28 02:56:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-28 02:56:45,127 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-28 02:56:45,415 INFO L236 CfgBuilder]: Building ICFG [2023-01-28 02:56:45,417 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-28 02:56:46,939 INFO L277 CfgBuilder]: Performing block encoding [2023-01-28 02:56:49,101 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-28 02:56:49,102 INFO L302 CfgBuilder]: Removed 18 assume(true) statements. [2023-01-28 02:56:49,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 02:56:49 BoogieIcfgContainer [2023-01-28 02:56:49,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-28 02:56:49,108 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-28 02:56:49,108 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-28 02:56:49,110 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-28 02:56:49,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 02:56:44" (1/3) ... [2023-01-28 02:56:49,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2095c788 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 02:56:49, skipping insertion in model container [2023-01-28 02:56:49,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 02:56:44" (2/3) ... [2023-01-28 02:56:49,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2095c788 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 02:56:49, skipping insertion in model container [2023-01-28 02:56:49,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 02:56:49" (3/3) ... [2023-01-28 02:56:49,114 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-subst.wvr.c [2023-01-28 02:56:49,130 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-28 02:56:49,131 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-28 02:56:49,131 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-28 02:56:49,476 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-01-28 02:56:49,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 657 places, 726 transitions, 1476 flow [2023-01-28 02:56:49,755 INFO L130 PetriNetUnfolder]: 79/723 cut-off events. [2023-01-28 02:56:49,755 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-01-28 02:56:49,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 736 conditions, 723 events. 79/723 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 929 event pairs, 0 based on Foata normal form. 0/643 useless extension candidates. Maximal degree in co-relation 642. Up to 7 conditions per place. [2023-01-28 02:56:49,764 INFO L82 GeneralOperation]: Start removeDead. Operand has 657 places, 726 transitions, 1476 flow [2023-01-28 02:56:49,775 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 644 places, 713 transitions, 1444 flow [2023-01-28 02:56:49,778 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 02:56:49,790 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 644 places, 713 transitions, 1444 flow [2023-01-28 02:56:49,793 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 644 places, 713 transitions, 1444 flow [2023-01-28 02:56:49,793 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 644 places, 713 transitions, 1444 flow [2023-01-28 02:56:49,926 INFO L130 PetriNetUnfolder]: 79/713 cut-off events. [2023-01-28 02:56:49,926 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-01-28 02:56:49,931 INFO L83 FinitePrefix]: Finished finitePrefix Result has 726 conditions, 713 events. 79/713 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 931 event pairs, 0 based on Foata normal form. 0/634 useless extension candidates. Maximal degree in co-relation 642. Up to 7 conditions per place. [2023-01-28 02:56:49,941 INFO L119 LiptonReduction]: Number of co-enabled transitions 22110 [2023-01-28 02:58:03,150 INFO L134 LiptonReduction]: Checked pairs total: 22445 [2023-01-28 02:58:03,151 INFO L136 LiptonReduction]: Total number of compositions: 849 [2023-01-28 02:58:03,161 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-01-28 02:58:03,166 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5d5cba1a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 02:58:03,167 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-01-28 02:58:03,214 INFO L130 PetriNetUnfolder]: 24/57 cut-off events. [2023-01-28 02:58:03,215 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-01-28 02:58:03,215 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 02:58:03,215 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 02:58:03,216 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 02:58:03,220 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 02:58:03,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1506170434, now seen corresponding path program 1 times [2023-01-28 02:58:03,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 02:58:03,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657548989] [2023-01-28 02:58:03,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 02:58:03,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 02:58:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 02:58:04,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-28 02:58:04,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 02:58:04,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657548989] [2023-01-28 02:58:04,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657548989] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 02:58:04,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 02:58:04,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-01-28 02:58:04,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317611433] [2023-01-28 02:58:04,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 02:58:04,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-28 02:58:04,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 02:58:04,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-28 02:58:04,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-28 02:58:04,038 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 511 out of 1575 [2023-01-28 02:58:04,043 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 58 transitions, 134 flow. Second operand has 3 states, 3 states have (on average 520.3333333333334) internal successors, (1561), 3 states have internal predecessors, (1561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 02:58:04,043 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 02:58:04,043 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 511 of 1575 [2023-01-28 02:58:04,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 02:58:05,742 INFO L130 PetriNetUnfolder]: 873/1102 cut-off events. [2023-01-28 02:58:05,742 INFO L131 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2023-01-28 02:58:05,743 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2272 conditions, 1102 events. 873/1102 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2595 event pairs, 333 based on Foata normal form. 0/562 useless extension candidates. Maximal degree in co-relation 1844. Up to 1097 conditions per place. [2023-01-28 02:58:05,749 INFO L137 encePairwiseOnDemand]: 1562/1575 looper letters, 52 selfloop transitions, 12 changer transitions 0/64 dead transitions. [2023-01-28 02:58:05,749 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 64 transitions, 274 flow [2023-01-28 02:58:05,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-28 02:58:05,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-01-28 02:58:05,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1603 transitions. [2023-01-28 02:58:05,768 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.33925925925925926 [2023-01-28 02:58:05,768 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1603 transitions. [2023-01-28 02:58:05,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1603 transitions. [2023-01-28 02:58:05,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 02:58:05,774 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1603 transitions. [2023-01-28 02:58:05,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 534.3333333333334) internal successors, (1603), 3 states have internal predecessors, (1603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 02:58:05,792 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1575.0) internal successors, (6300), 4 states have internal predecessors, (6300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 02:58:05,795 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1575.0) internal successors, (6300), 4 states have internal predecessors, (6300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 02:58:05,797 INFO L175 Difference]: Start difference. First operand has 44 places, 58 transitions, 134 flow. Second operand 3 states and 1603 transitions. [2023-01-28 02:58:05,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 64 transitions, 274 flow [2023-01-28 02:58:05,802 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 64 transitions, 262 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-01-28 02:58:05,804 INFO L231 Difference]: Finished difference. Result has 41 places, 64 transitions, 184 flow [2023-01-28 02:58:05,806 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1575, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=184, PETRI_PLACES=41, PETRI_TRANSITIONS=64} [2023-01-28 02:58:05,808 INFO L281 CegarLoopForPetriNet]: 44 programPoint places, -3 predicate places. [2023-01-28 02:58:05,809 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 64 transitions, 184 flow [2023-01-28 02:58:05,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 520.3333333333334) internal successors, (1561), 3 states have internal predecessors, (1561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 02:58:05,810 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 02:58:05,810 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 02:58:05,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-28 02:58:05,810 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 02:58:05,811 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 02:58:05,811 INFO L85 PathProgramCache]: Analyzing trace with hash 686701804, now seen corresponding path program 1 times [2023-01-28 02:58:05,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 02:58:05,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135418767] [2023-01-28 02:58:05,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 02:58:05,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 02:58:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 02:58:06,246 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-01-28 02:58:06,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 02:58:06,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135418767] [2023-01-28 02:58:06,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135418767] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 02:58:06,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [924390906] [2023-01-28 02:58:06,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 02:58:06,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 02:58:06,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 02:58:06,250 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 02:58:06,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-01-28 02:58:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 02:58:07,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 4 conjunts are in the unsatisfiable core [2023-01-28 02:58:07,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 02:58:07,115 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-01-28 02:58:07,115 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-01-28 02:58:07,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [924390906] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 02:58:07,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-01-28 02:58:07,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-01-28 02:58:07,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260341687] [2023-01-28 02:58:07,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 02:58:07,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-28 02:58:07,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 02:58:07,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-28 02:58:07,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-01-28 02:58:07,120 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 511 out of 1575 [2023-01-28 02:58:07,122 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 64 transitions, 184 flow. Second operand has 3 states, 3 states have (on average 522.3333333333334) internal successors, (1567), 3 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 02:58:07,122 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 02:58:07,122 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 511 of 1575 [2023-01-28 02:58:07,122 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 02:58:08,620 INFO L130 PetriNetUnfolder]: 873/1108 cut-off events. [2023-01-28 02:58:08,620 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-01-28 02:58:08,621 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2266 conditions, 1108 events. 873/1108 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2595 event pairs, 333 based on Foata normal form. 1/575 useless extension candidates. Maximal degree in co-relation 2169. Up to 1103 conditions per place. [2023-01-28 02:58:08,625 INFO L137 encePairwiseOnDemand]: 1562/1575 looper letters, 58 selfloop transitions, 12 changer transitions 0/70 dead transitions. [2023-01-28 02:58:08,625 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 70 transitions, 336 flow [2023-01-28 02:58:08,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-28 02:58:08,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-01-28 02:58:08,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1603 transitions. [2023-01-28 02:58:08,632 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.33925925925925926 [2023-01-28 02:58:08,632 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1603 transitions. [2023-01-28 02:58:08,632 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1603 transitions. [2023-01-28 02:58:08,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 02:58:08,633 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1603 transitions. [2023-01-28 02:58:08,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 534.3333333333334) internal successors, (1603), 3 states have internal predecessors, (1603), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 02:58:08,644 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1575.0) internal successors, (6300), 4 states have internal predecessors, (6300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 02:58:08,647 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1575.0) internal successors, (6300), 4 states have internal predecessors, (6300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 02:58:08,647 INFO L175 Difference]: Start difference. First operand has 41 places, 64 transitions, 184 flow. Second operand 3 states and 1603 transitions. [2023-01-28 02:58:08,647 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 70 transitions, 336 flow [2023-01-28 02:58:08,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 70 transitions, 324 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-01-28 02:58:08,650 INFO L231 Difference]: Finished difference. Result has 43 places, 70 transitions, 234 flow [2023-01-28 02:58:08,650 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1575, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=234, PETRI_PLACES=43, PETRI_TRANSITIONS=70} [2023-01-28 02:58:08,651 INFO L281 CegarLoopForPetriNet]: 44 programPoint places, -1 predicate places. [2023-01-28 02:58:08,651 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 70 transitions, 234 flow [2023-01-28 02:58:08,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 522.3333333333334) internal successors, (1567), 3 states have internal predecessors, (1567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 02:58:08,652 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 02:58:08,652 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 02:58:08,661 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-01-28 02:58:08,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 02:58:08,862 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 02:58:08,862 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 02:58:08,862 INFO L85 PathProgramCache]: Analyzing trace with hash -958956805, now seen corresponding path program 1 times [2023-01-28 02:58:08,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 02:58:08,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891648470] [2023-01-28 02:58:08,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 02:58:08,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 02:58:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 02:58:09,341 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-01-28 02:58:09,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 02:58:09,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891648470] [2023-01-28 02:58:09,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891648470] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 02:58:09,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860563726] [2023-01-28 02:58:09,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 02:58:09,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 02:58:09,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 02:58:09,346 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 02:58:09,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-01-28 02:58:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 02:58:10,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 5 conjunts are in the unsatisfiable core [2023-01-28 02:58:10,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 02:58:10,212 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-01-28 02:58:10,212 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 02:58:10,234 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-01-28 02:58:10,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [860563726] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 02:58:10,235 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 02:58:10,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 8 [2023-01-28 02:58:10,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770431898] [2023-01-28 02:58:10,235 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 02:58:10,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-01-28 02:58:10,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 02:58:10,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-01-28 02:58:10,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-01-28 02:58:10,243 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 511 out of 1575 [2023-01-28 02:58:10,247 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 70 transitions, 234 flow. Second operand has 8 states, 8 states have (on average 518.25) internal successors, (4146), 8 states have internal predecessors, (4146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 02:58:10,247 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 02:58:10,247 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 511 of 1575 [2023-01-28 02:58:10,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 02:58:11,572 INFO L130 PetriNetUnfolder]: 873/1144 cut-off events. [2023-01-28 02:58:11,572 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-28 02:58:11,573 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2394 conditions, 1144 events. 873/1144 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2595 event pairs, 333 based on Foata normal form. 18/628 useless extension candidates. Maximal degree in co-relation 2287. Up to 1097 conditions per place. [2023-01-28 02:58:11,576 INFO L137 encePairwiseOnDemand]: 1550/1575 looper letters, 46 selfloop transitions, 60 changer transitions 0/106 dead transitions. [2023-01-28 02:58:11,576 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 106 transitions, 590 flow [2023-01-28 02:58:11,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-28 02:58:11,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-01-28 02:58:11,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 4230 transitions. [2023-01-28 02:58:11,588 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3357142857142857 [2023-01-28 02:58:11,588 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 4230 transitions. [2023-01-28 02:58:11,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 4230 transitions. [2023-01-28 02:58:11,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 02:58:11,591 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 4230 transitions. [2023-01-28 02:58:11,599 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 528.75) internal successors, (4230), 8 states have internal predecessors, (4230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 02:58:11,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 1575.0) internal successors, (14175), 9 states have internal predecessors, (14175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 02:58:11,620 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 1575.0) internal successors, (14175), 9 states have internal predecessors, (14175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 02:58:11,620 INFO L175 Difference]: Start difference. First operand has 43 places, 70 transitions, 234 flow. Second operand 8 states and 4230 transitions. [2023-01-28 02:58:11,620 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 106 transitions, 590 flow [2023-01-28 02:58:11,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 106 transitions, 578 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-01-28 02:58:11,624 INFO L231 Difference]: Finished difference. Result has 52 places, 106 transitions, 576 flow [2023-01-28 02:58:11,624 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1575, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=576, PETRI_PLACES=52, PETRI_TRANSITIONS=106} [2023-01-28 02:58:11,625 INFO L281 CegarLoopForPetriNet]: 44 programPoint places, 8 predicate places. [2023-01-28 02:58:11,625 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 106 transitions, 576 flow [2023-01-28 02:58:11,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 518.25) internal successors, (4146), 8 states have internal predecessors, (4146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-01-28 02:58:11,626 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 02:58:11,627 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-01-28 02:58:11,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-01-28 02:58:11,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-01-28 02:58:11,833 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-01-28 02:58:11,834 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 02:58:11,834 INFO L85 PathProgramCache]: Analyzing trace with hash 850040076, now seen corresponding path program 2 times [2023-01-28 02:58:11,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 02:58:11,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446751541] [2023-01-28 02:58:11,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 02:58:11,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 02:58:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 02:58:12,397 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2023-01-28 02:58:12,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 02:58:12,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446751541] [2023-01-28 02:58:12,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446751541] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 02:58:12,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200994908] [2023-01-28 02:58:12,398 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-28 02:58:12,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 02:58:12,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 02:58:12,399 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-01-28 02:58:12,429 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-01-28 02:58:13,170 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-01-28 02:58:13,170 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 02:58:13,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 18 conjunts are in the unsatisfiable core [2023-01-28 02:58:13,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 02:58:17,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-28 02:58:17,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-28 02:58:17,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-28 02:58:17,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-28 02:58:17,691 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2023-01-28 02:58:17,692 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 446 treesize of output 411 [2023-01-28 02:58:18,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2023-01-28 02:58:18,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2023-01-28 02:58:18,426 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-01-28 02:58:18,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 14 [2023-01-28 03:00:12,954 WARN L222 SmtUtils]: Spent 1.77m on a formula simplification. DAG size of input: 258 DAG size of output: 216 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-01-28 03:00:39,803 WARN L222 SmtUtils]: Spent 22.69s on a formula simplification that was a NOOP. DAG size: 2739 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-01-28 03:00:39,804 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 03:00:39,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 37 select indices, 37 select index equivalence classes, 0 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 666 case distinctions, treesize of input 3547 treesize of output 8331 Received shutdown request... [2023-01-28 03:10:22,604 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-01-28 03:10:22,614 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-01-28 03:10:22,614 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-01-28 03:10:22,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-01-28 03:10:22,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 03:10:22,815 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was analyzing trace of length 77 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 23 xjuncts wrt. a ∧-652-11-14-5-14-2-3-1 context. [2023-01-28 03:10:22,817 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-01-28 03:10:22,818 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-01-28 03:10:22,818 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-01-28 03:10:22,818 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2023-01-28 03:10:22,821 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-28 03:10:22,821 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-28 03:10:22,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 03:10:22 BasicIcfg [2023-01-28 03:10:22,823 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-28 03:10:22,824 INFO L158 Benchmark]: Toolchain (without parser) took 818598.33ms. Allocated memory was 356.5MB in the beginning and 2.3GB in the end (delta: 1.9GB). Free memory was 293.8MB in the beginning and 1.6GB in the end (delta: -1.3GB). Peak memory consumption was 1.5GB. Max. memory is 16.0GB. [2023-01-28 03:10:22,824 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 356.5MB. Free memory is still 303.4MB. There was no memory consumed. Max. memory is 16.0GB. [2023-01-28 03:10:22,824 INFO L158 Benchmark]: CACSL2BoogieTranslator took 510.64ms. Allocated memory is still 356.5MB. Free memory was 293.6MB in the beginning and 268.0MB in the end (delta: 25.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. [2023-01-28 03:10:22,825 INFO L158 Benchmark]: Boogie Procedure Inliner took 131.00ms. Allocated memory is still 356.5MB. Free memory was 268.0MB in the beginning and 256.8MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2023-01-28 03:10:22,825 INFO L158 Benchmark]: Boogie Preprocessor took 179.12ms. Allocated memory was 356.5MB in the beginning and 494.9MB in the end (delta: 138.4MB). Free memory was 256.8MB in the beginning and 448.6MB in the end (delta: -191.8MB). Peak memory consumption was 23.3MB. Max. memory is 16.0GB. [2023-01-28 03:10:22,825 INFO L158 Benchmark]: RCFGBuilder took 4054.06ms. Allocated memory was 494.9MB in the beginning and 767.6MB in the end (delta: 272.6MB). Free memory was 448.6MB in the beginning and 644.8MB in the end (delta: -196.2MB). Peak memory consumption was 486.4MB. Max. memory is 16.0GB. [2023-01-28 03:10:22,826 INFO L158 Benchmark]: TraceAbstraction took 813715.63ms. Allocated memory was 767.6MB in the beginning and 2.3GB in the end (delta: 1.5GB). Free memory was 644.8MB in the beginning and 1.6GB in the end (delta: -956.7MB). Peak memory consumption was 1.4GB. Max. memory is 16.0GB. [2023-01-28 03:10:22,827 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 356.5MB. Free memory is still 303.4MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 510.64ms. Allocated memory is still 356.5MB. Free memory was 293.6MB in the beginning and 268.0MB in the end (delta: 25.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 131.00ms. Allocated memory is still 356.5MB. Free memory was 268.0MB in the beginning and 256.8MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * Boogie Preprocessor took 179.12ms. Allocated memory was 356.5MB in the beginning and 494.9MB in the end (delta: 138.4MB). Free memory was 256.8MB in the beginning and 448.6MB in the end (delta: -191.8MB). Peak memory consumption was 23.3MB. Max. memory is 16.0GB. * RCFGBuilder took 4054.06ms. Allocated memory was 494.9MB in the beginning and 767.6MB in the end (delta: 272.6MB). Free memory was 448.6MB in the beginning and 644.8MB in the end (delta: -196.2MB). Peak memory consumption was 486.4MB. Max. memory is 16.0GB. * TraceAbstraction took 813715.63ms. Allocated memory was 767.6MB in the beginning and 2.3GB in the end (delta: 1.5GB). Free memory was 644.8MB in the beginning and 1.6GB in the end (delta: -956.7MB). Peak memory consumption was 1.4GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 73.4s, 644 PlacesBefore, 44 PlacesAfterwards, 713 TransitionsBefore, 58 TransitionsAfterwards, 22110 CoEnabledTransitionPairs, 7 FixpointIterations, 459 TrivialSequentialCompositions, 175 ConcurrentSequentialCompositions, 120 TrivialYvCompositions, 40 ConcurrentYvCompositions, 55 ChoiceCompositions, 849 TotalNumberOfCompositions, 22445 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 21114, independent: 21078, independent conditional: 0, independent unconditional: 21078, dependent: 36, dependent conditional: 0, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 12188, independent: 12156, independent conditional: 0, independent unconditional: 12156, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 21114, independent: 8922, independent conditional: 0, independent unconditional: 8922, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 12188, unknown conditional: 0, unknown unconditional: 12188] , Statistics on independence cache: Total cache size (in pairs): 74, Positive cache size: 69, Positive conditional cache size: 0, Positive unconditional cache size: 69, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - TimeoutResultAtElement [Line: 344]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was analyzing trace of length 77 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 23 xjuncts wrt. a ∧-652-11-14-5-14-2-3-1 context. - TimeoutResultAtElement [Line: 338]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 77 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 23 xjuncts wrt. a ∧-652-11-14-5-14-2-3-1 context. - TimeoutResultAtElement [Line: 336]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 77 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 23 xjuncts wrt. a ∧-652-11-14-5-14-2-3-1 context. - TimeoutResultAtElement [Line: 337]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNet was analyzing trace of length 77 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 23 xjuncts wrt. a ∧-652-11-14-5-14-2-3-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 789 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 813.3s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 73.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 105 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 510 IncrementalHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 105 mSolverCounterUnsat, 0 mSDtfsCounter, 510 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=576occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 176 NumberOfCodeBlocks, 176 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 210 ConstructedInterpolants, 0 QuantifiedInterpolants, 264 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1278 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 44/48 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown