/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 AFTER -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 09:13:44,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-28 09:13:44,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-28 09:13:44,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-28 09:13:44,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-28 09:13:44,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-28 09:13:44,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-28 09:13:44,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-28 09:13:44,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-28 09:13:44,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-28 09:13:44,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-28 09:13:44,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-28 09:13:44,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-28 09:13:44,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-28 09:13:44,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-28 09:13:44,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-28 09:13:44,828 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-28 09:13:44,829 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-28 09:13:44,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-28 09:13:44,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-28 09:13:44,836 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-28 09:13:44,837 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-28 09:13:44,838 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-28 09:13:44,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-28 09:13:44,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-01-28 09:13:44,841 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-01-28 09:13:44,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-01-28 09:13:44,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-01-28 09:13:44,842 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-01-28 09:13:44,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-01-28 09:13:44,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-01-28 09:13:44,844 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-01-28 09:13:44,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-01-28 09:13:44,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-01-28 09:13:44,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-01-28 09:13:44,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-01-28 09:13:44,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-01-28 09:13:44,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-01-28 09:13:44,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-28 09:13:44,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-28 09:13:44,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-28 09:13:44,851 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 09:13:44,882 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-28 09:13:44,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-28 09:13:44,883 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-28 09:13:44,883 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-28 09:13:44,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-28 09:13:44,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-28 09:13:44,884 INFO L138 SettingsManager]: * Use SBE=true [2023-01-28 09:13:44,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-28 09:13:44,885 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-28 09:13:44,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-28 09:13:44,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-28 09:13:44,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-28 09:13:44,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-28 09:13:44,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-28 09:13:44,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-28 09:13:44,886 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-28 09:13:44,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-28 09:13:44,886 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-28 09:13:44,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-28 09:13:44,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-28 09:13:44,886 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-28 09:13:44,887 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-28 09:13:44,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-28 09:13:44,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 09:13:44,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-28 09:13:44,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-28 09:13:44,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-28 09:13:44,887 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-28 09:13:44,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-28 09:13:44,888 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-01-28 09:13:44,888 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-28 09:13:44,888 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-01-28 09:13:45,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-28 09:13:45,122 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-28 09:13:45,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-28 09:13:45,127 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-28 09:13:45,127 INFO L275 PluginConnector]: CDTParser initialized [2023-01-28 09:13:45,128 INFO L432 ainManager$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 09:13:46,172 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-28 09:13:46,422 INFO L351 CDTParser]: Found 1 translation units. [2023-01-28 09:13:46,422 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c [2023-01-28 09:13:46,431 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfb47a0db/117022c91d0a40019985377cb4eb5551/FLAG6b0ec89bf [2023-01-28 09:13:46,448 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfb47a0db/117022c91d0a40019985377cb4eb5551 [2023-01-28 09:13:46,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-28 09:13:46,451 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-28 09:13:46,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-28 09:13:46,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-28 09:13:46,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-28 09:13:46,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 09:13:46" (1/1) ... [2023-01-28 09:13:46,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78dd900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:13:46, skipping insertion in model container [2023-01-28 09:13:46,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 09:13:46" (1/1) ... [2023-01-28 09:13:46,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-28 09:13:46,494 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-28 09:13:46,758 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 09:13:46,765 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 09:13:46,773 INFO L203 MainTranslator]: Completed pre-run [2023-01-28 09:13:46,840 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 09:13:46,843 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 09:13:46,850 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-01-28 09:13:46,851 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-01-28 09:13:46,856 INFO L208 MainTranslator]: Completed translation [2023-01-28 09:13:46,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:13:46 WrapperNode [2023-01-28 09:13:46,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-28 09:13:46,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-28 09:13:46,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-28 09:13:46,858 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-28 09:13:46,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:13:46" (1/1) ... [2023-01-28 09:13:46,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:13:46" (1/1) ... [2023-01-28 09:13:46,954 INFO L138 Inliner]: procedures = 26, calls = 454, calls flagged for inlining = 100, calls inlined = 144, statements flattened = 2365 [2023-01-28 09:13:46,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-28 09:13:46,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-28 09:13:46,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-28 09:13:46,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-28 09:13:46,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:13:46" (1/1) ... [2023-01-28 09:13:46,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:13:46" (1/1) ... [2023-01-28 09:13:46,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:13:46" (1/1) ... [2023-01-28 09:13:46,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:13:46" (1/1) ... [2023-01-28 09:13:47,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:13:46" (1/1) ... [2023-01-28 09:13:47,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:13:46" (1/1) ... [2023-01-28 09:13:47,041 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:13:46" (1/1) ... [2023-01-28 09:13:47,047 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:13:46" (1/1) ... [2023-01-28 09:13:47,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-28 09:13:47,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-28 09:13:47,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-28 09:13:47,060 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-28 09:13:47,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:13:46" (1/1) ... [2023-01-28 09:13:47,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 09:13:47,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 09:13:47,106 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 09:13:47,120 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 09:13:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-28 09:13:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-28 09:13:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-28 09:13:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-28 09:13:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-01-28 09:13:47,135 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-01-28 09:13:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-01-28 09:13:47,135 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-01-28 09:13:47,135 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-01-28 09:13:47,136 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-01-28 09:13:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-28 09:13:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-01-28 09:13:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-01-28 09:13:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-01-28 09:13:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-28 09:13:47,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-28 09:13:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-28 09:13:47,139 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 09:13:47,405 INFO L236 CfgBuilder]: Building ICFG [2023-01-28 09:13:47,407 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-28 09:13:49,036 INFO L277 CfgBuilder]: Performing block encoding [2023-01-28 09:13:51,046 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-28 09:13:51,047 INFO L302 CfgBuilder]: Removed 18 assume(true) statements. [2023-01-28 09:13:51,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 09:13:51 BoogieIcfgContainer [2023-01-28 09:13:51,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-28 09:13:51,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-28 09:13:51,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-28 09:13:51,053 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-28 09:13:51,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 09:13:46" (1/3) ... [2023-01-28 09:13:51,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c931931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 09:13:51, skipping insertion in model container [2023-01-28 09:13:51,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:13:46" (2/3) ... [2023-01-28 09:13:51,054 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c931931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 09:13:51, skipping insertion in model container [2023-01-28 09:13:51,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 09:13:51" (3/3) ... [2023-01-28 09:13:51,055 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-subst.wvr.c [2023-01-28 09:13:51,070 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-28 09:13:51,071 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-28 09:13:51,071 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-28 09:13:51,404 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-01-28 09:13:51,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 657 places, 726 transitions, 1476 flow [2023-01-28 09:13:51,773 INFO L130 PetriNetUnfolder]: 79/723 cut-off events. [2023-01-28 09:13:51,773 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-01-28 09:13:51,782 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 09:13:51,782 INFO L82 GeneralOperation]: Start removeDead. Operand has 657 places, 726 transitions, 1476 flow [2023-01-28 09:13:51,790 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 644 places, 713 transitions, 1444 flow [2023-01-28 09:13:51,794 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 09:13:51,801 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 644 places, 713 transitions, 1444 flow [2023-01-28 09:13:51,804 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 644 places, 713 transitions, 1444 flow [2023-01-28 09:13:51,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 644 places, 713 transitions, 1444 flow [2023-01-28 09:13:51,953 INFO L130 PetriNetUnfolder]: 79/713 cut-off events. [2023-01-28 09:13:51,953 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-01-28 09:13:51,957 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 09:13:51,968 INFO L119 LiptonReduction]: Number of co-enabled transitions 22110 [2023-01-28 09:15:04,691 INFO L134 LiptonReduction]: Checked pairs total: 22445 [2023-01-28 09:15:04,692 INFO L136 LiptonReduction]: Total number of compositions: 849 [2023-01-28 09:15:04,703 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-01-28 09:15:04,711 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;@5fb9340e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 09:15:04,711 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-01-28 09:15:04,758 INFO L130 PetriNetUnfolder]: 24/57 cut-off events. [2023-01-28 09:15:04,759 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-01-28 09:15:04,759 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 09:15:04,759 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 09:15:04,760 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 09:15:04,763 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 09:15:04,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1506170434, now seen corresponding path program 1 times [2023-01-28 09:15:04,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 09:15:04,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860820111] [2023-01-28 09:15:04,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 09:15:04,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 09:15:04,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 09:15:05,546 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 09:15:05,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 09:15:05,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860820111] [2023-01-28 09:15:05,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860820111] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 09:15:05,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 09:15:05,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-01-28 09:15:05,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197218811] [2023-01-28 09:15:05,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 09:15:05,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-28 09:15:05,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 09:15:05,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-28 09:15:05,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-28 09:15:05,583 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 511 out of 1575 [2023-01-28 09:15:05,588 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 09:15:05,589 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 09:15:05,589 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 511 of 1575 [2023-01-28 09:15:05,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 09:15:07,132 INFO L130 PetriNetUnfolder]: 873/1102 cut-off events. [2023-01-28 09:15:07,132 INFO L131 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2023-01-28 09:15:07,134 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 09:15:07,139 INFO L137 encePairwiseOnDemand]: 1562/1575 looper letters, 52 selfloop transitions, 12 changer transitions 0/64 dead transitions. [2023-01-28 09:15:07,139 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 64 transitions, 274 flow [2023-01-28 09:15:07,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-28 09:15:07,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-01-28 09:15:07,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1603 transitions. [2023-01-28 09:15:07,159 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.33925925925925926 [2023-01-28 09:15:07,159 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1603 transitions. [2023-01-28 09:15:07,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1603 transitions. [2023-01-28 09:15:07,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 09:15:07,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1603 transitions. [2023-01-28 09:15:07,176 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 09:15:07,188 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 09:15:07,191 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 09:15:07,193 INFO L175 Difference]: Start difference. First operand has 44 places, 58 transitions, 134 flow. Second operand 3 states and 1603 transitions. [2023-01-28 09:15:07,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 64 transitions, 274 flow [2023-01-28 09:15:07,197 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 09:15:07,199 INFO L231 Difference]: Finished difference. Result has 41 places, 64 transitions, 184 flow [2023-01-28 09:15:07,201 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 09:15:07,203 INFO L281 CegarLoopForPetriNet]: 44 programPoint places, -3 predicate places. [2023-01-28 09:15:07,204 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 64 transitions, 184 flow [2023-01-28 09:15:07,205 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 09:15:07,205 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 09:15:07,205 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 09:15:07,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-28 09:15:07,205 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 09:15:07,206 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 09:15:07,206 INFO L85 PathProgramCache]: Analyzing trace with hash 686701804, now seen corresponding path program 1 times [2023-01-28 09:15:07,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 09:15:07,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070935191] [2023-01-28 09:15:07,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 09:15:07,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 09:15:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 09:15:07,578 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 09:15:07,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 09:15:07,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070935191] [2023-01-28 09:15:07,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070935191] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 09:15:07,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331847543] [2023-01-28 09:15:07,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 09:15:07,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 09:15:07,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 09:15:07,591 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 09:15:07,593 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 09:15:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 09:15:08,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 4 conjunts are in the unsatisfiable core [2023-01-28 09:15:08,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 09:15:08,486 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 09:15:08,486 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-01-28 09:15:08,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331847543] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 09:15:08,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-01-28 09:15:08,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-01-28 09:15:08,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35805722] [2023-01-28 09:15:08,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 09:15:08,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-28 09:15:08,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 09:15:08,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-28 09:15:08,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-01-28 09:15:08,493 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 511 out of 1575 [2023-01-28 09:15:08,494 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 09:15:08,494 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 09:15:08,495 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 511 of 1575 [2023-01-28 09:15:08,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 09:15:09,716 INFO L130 PetriNetUnfolder]: 873/1108 cut-off events. [2023-01-28 09:15:09,716 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-01-28 09:15:09,717 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 09:15:09,721 INFO L137 encePairwiseOnDemand]: 1562/1575 looper letters, 58 selfloop transitions, 12 changer transitions 0/70 dead transitions. [2023-01-28 09:15:09,721 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 70 transitions, 336 flow [2023-01-28 09:15:09,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-28 09:15:09,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-01-28 09:15:09,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1603 transitions. [2023-01-28 09:15:09,727 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.33925925925925926 [2023-01-28 09:15:09,727 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1603 transitions. [2023-01-28 09:15:09,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1603 transitions. [2023-01-28 09:15:09,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 09:15:09,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1603 transitions. [2023-01-28 09:15:09,732 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 09:15:09,740 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 09:15:09,743 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 09:15:09,743 INFO L175 Difference]: Start difference. First operand has 41 places, 64 transitions, 184 flow. Second operand 3 states and 1603 transitions. [2023-01-28 09:15:09,743 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 70 transitions, 336 flow [2023-01-28 09:15:09,744 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 09:15:09,745 INFO L231 Difference]: Finished difference. Result has 43 places, 70 transitions, 234 flow [2023-01-28 09:15:09,745 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 09:15:09,746 INFO L281 CegarLoopForPetriNet]: 44 programPoint places, -1 predicate places. [2023-01-28 09:15:09,746 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 70 transitions, 234 flow [2023-01-28 09:15:09,747 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 09:15:09,747 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 09:15:09,748 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 09:15:09,760 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 09:15:09,957 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 09:15:09,958 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 09:15:09,958 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 09:15:09,958 INFO L85 PathProgramCache]: Analyzing trace with hash -958956805, now seen corresponding path program 1 times [2023-01-28 09:15:09,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 09:15:09,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682002252] [2023-01-28 09:15:09,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 09:15:09,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 09:15:10,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 09:15:10,336 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 09:15:10,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 09:15:10,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682002252] [2023-01-28 09:15:10,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682002252] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 09:15:10,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98645703] [2023-01-28 09:15:10,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 09:15:10,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 09:15:10,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 09:15:10,342 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 09:15:10,344 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 09:15:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 09:15:11,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 5 conjunts are in the unsatisfiable core [2023-01-28 09:15:11,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 09:15:11,120 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 09:15:11,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 09:15:11,143 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 09:15:11,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98645703] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 09:15:11,144 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 09:15:11,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 8 [2023-01-28 09:15:11,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151503856] [2023-01-28 09:15:11,144 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 09:15:11,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-01-28 09:15:11,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 09:15:11,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-01-28 09:15:11,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-01-28 09:15:11,148 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 511 out of 1575 [2023-01-28 09:15:11,152 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 09:15:11,152 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 09:15:11,152 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 511 of 1575 [2023-01-28 09:15:11,152 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 09:15:12,490 INFO L130 PetriNetUnfolder]: 873/1144 cut-off events. [2023-01-28 09:15:12,491 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-28 09:15:12,491 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 09:15:12,494 INFO L137 encePairwiseOnDemand]: 1550/1575 looper letters, 46 selfloop transitions, 60 changer transitions 0/106 dead transitions. [2023-01-28 09:15:12,495 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 106 transitions, 590 flow [2023-01-28 09:15:12,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-28 09:15:12,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-01-28 09:15:12,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 4230 transitions. [2023-01-28 09:15:12,506 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3357142857142857 [2023-01-28 09:15:12,506 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 4230 transitions. [2023-01-28 09:15:12,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 4230 transitions. [2023-01-28 09:15:12,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 09:15:12,508 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 4230 transitions. [2023-01-28 09:15:12,517 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 09:15:12,533 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 09:15:12,537 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 09:15:12,537 INFO L175 Difference]: Start difference. First operand has 43 places, 70 transitions, 234 flow. Second operand 8 states and 4230 transitions. [2023-01-28 09:15:12,537 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 106 transitions, 590 flow [2023-01-28 09:15:12,539 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 09:15:12,540 INFO L231 Difference]: Finished difference. Result has 52 places, 106 transitions, 576 flow [2023-01-28 09:15:12,541 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 09:15:12,541 INFO L281 CegarLoopForPetriNet]: 44 programPoint places, 8 predicate places. [2023-01-28 09:15:12,541 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 106 transitions, 576 flow [2023-01-28 09:15:12,543 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 09:15:12,543 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 09:15:12,543 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 09:15:12,556 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 09:15:12,752 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 09:15:12,753 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 09:15:12,753 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 09:15:12,753 INFO L85 PathProgramCache]: Analyzing trace with hash 850040076, now seen corresponding path program 2 times [2023-01-28 09:15:12,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 09:15:12,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811765168] [2023-01-28 09:15:12,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 09:15:12,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 09:15:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 09:15:13,372 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 09:15:13,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 09:15:13,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811765168] [2023-01-28 09:15:13,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811765168] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 09:15:13,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186877123] [2023-01-28 09:15:13,373 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-28 09:15:13,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 09:15:13,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 09:15:13,374 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 09:15:13,378 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 09:15:14,138 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-01-28 09:15:14,138 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 09:15:14,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 18 conjunts are in the unsatisfiable core [2023-01-28 09:15:14,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 09:15:18,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-28 09:15:18,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-28 09:15:18,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-28 09:15:18,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-28 09:15:18,355 INFO L321 Elim1Store]: treesize reduction 132, result has 17.0 percent of original size [2023-01-28 09:15:18,356 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 09:15:18,654 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 09:15:18,770 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 09:15:19,053 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-01-28 09:15:19,054 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 09:17:10,204 WARN L222 SmtUtils]: Spent 1.73m 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 09:17:35,760 WARN L222 SmtUtils]: Spent 21.56s 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 09:17:35,761 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-01-28 09:17:35,764 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 09:27:28,616 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 09:27:28,618 WARN L238 SmtUtils]: Removed 1 from assertion stack [2023-01-28 09:27:28,619 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-01-28 09:27:28,628 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 09:27:28,637 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 09:27:28,830 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 09:27:28,831 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 ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 24 xjuncts wrt. a ∧-653-11-14-5-14-2-3-1 context. [2023-01-28 09:27:28,832 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-01-28 09:27:28,832 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-01-28 09:27:28,833 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-01-28 09:27:28,833 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2023-01-28 09:27:28,835 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-28 09:27:28,835 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-28 09:27:28,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 09:27:28 BasicIcfg [2023-01-28 09:27:28,838 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-28 09:27:28,839 INFO L158 Benchmark]: Toolchain (without parser) took 822386.97ms. Allocated memory was 383.8MB in the beginning and 2.3GB in the end (delta: 1.9GB). Free memory was 352.8MB in the beginning and 1.3GB in the end (delta: -903.2MB). Peak memory consumption was 1.5GB. Max. memory is 16.0GB. [2023-01-28 09:27:28,839 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 255.9MB. Free memory is still 213.7MB. There was no memory consumed. Max. memory is 16.0GB. [2023-01-28 09:27:28,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.20ms. Allocated memory is still 383.8MB. Free memory was 352.4MB in the beginning and 326.8MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. [2023-01-28 09:27:28,840 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.52ms. Allocated memory is still 383.8MB. Free memory was 326.8MB in the beginning and 315.9MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2023-01-28 09:27:28,840 INFO L158 Benchmark]: Boogie Preprocessor took 103.77ms. Allocated memory is still 383.8MB. Free memory was 315.5MB in the beginning and 305.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2023-01-28 09:27:28,840 INFO L158 Benchmark]: RCFGBuilder took 3989.26ms. Allocated memory was 383.8MB in the beginning and 524.3MB in the end (delta: 140.5MB). Free memory was 305.0MB in the beginning and 307.1MB in the end (delta: -2.1MB). Peak memory consumption was 292.6MB. Max. memory is 16.0GB. [2023-01-28 09:27:28,841 INFO L158 Benchmark]: TraceAbstraction took 817787.12ms. Allocated memory was 524.3MB in the beginning and 2.3GB in the end (delta: 1.8GB). Free memory was 306.0MB in the beginning and 1.3GB in the end (delta: -950.0MB). Peak memory consumption was 1.3GB. Max. memory is 16.0GB. [2023-01-28 09:27:28,842 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 255.9MB. Free memory is still 213.7MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 403.20ms. Allocated memory is still 383.8MB. Free memory was 352.4MB in the beginning and 326.8MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 97.52ms. Allocated memory is still 383.8MB. Free memory was 326.8MB in the beginning and 315.9MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * Boogie Preprocessor took 103.77ms. Allocated memory is still 383.8MB. Free memory was 315.5MB in the beginning and 305.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * RCFGBuilder took 3989.26ms. Allocated memory was 383.8MB in the beginning and 524.3MB in the end (delta: 140.5MB). Free memory was 305.0MB in the beginning and 307.1MB in the end (delta: -2.1MB). Peak memory consumption was 292.6MB. Max. memory is 16.0GB. * TraceAbstraction took 817787.12ms. Allocated memory was 524.3MB in the beginning and 2.3GB in the end (delta: 1.8GB). Free memory was 306.0MB in the beginning and 1.3GB in the end (delta: -950.0MB). Peak memory consumption was 1.3GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 72.9s, 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 ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 24 xjuncts wrt. a ∧-653-11-14-5-14-2-3-1 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 ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 24 xjuncts wrt. a ∧-653-11-14-5-14-2-3-1 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 ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 24 xjuncts wrt. a ∧-653-11-14-5-14-2-3-1 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 ∨-2-1 term,while PolyPacSimplificationTermWalker was simplifying 24 xjuncts wrt. a ∧-653-11-14-5-14-2-3-1 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: 817.4s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 73.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.6s 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, 0.3s SatisfiabilityAnalysisTime, 1.2s 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