/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-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-b8dbc81 [2023-01-28 09:14:42,047 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-28 09:14:42,048 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-28 09:14:42,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-28 09:14:42,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-28 09:14:42,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-28 09:14:42,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-28 09:14:42,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-28 09:14:42,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-28 09:14:42,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-28 09:14:42,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-28 09:14:42,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-28 09:14:42,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-28 09:14:42,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-28 09:14:42,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-28 09:14:42,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-28 09:14:42,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-28 09:14:42,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-28 09:14:42,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-28 09:14:42,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-28 09:14:42,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-28 09:14:42,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-28 09:14:42,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-28 09:14:42,108 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-28 09:14:42,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-01-28 09:14:42,118 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-01-28 09:14:42,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-01-28 09:14:42,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-01-28 09:14:42,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-01-28 09:14:42,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-01-28 09:14:42,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-01-28 09:14:42,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-01-28 09:14:42,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-01-28 09:14:42,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-01-28 09:14:42,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-01-28 09:14:42,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-01-28 09:14:42,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-01-28 09:14:42,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-01-28 09:14:42,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-28 09:14:42,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-28 09:14:42,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-28 09:14:42,128 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 09:14:42,156 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-28 09:14:42,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-28 09:14:42,157 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-28 09:14:42,157 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-28 09:14:42,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-28 09:14:42,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-28 09:14:42,159 INFO L138 SettingsManager]: * Use SBE=true [2023-01-28 09:14:42,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-28 09:14:42,159 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-28 09:14:42,159 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-28 09:14:42,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-28 09:14:42,160 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-28 09:14:42,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-28 09:14:42,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-28 09:14:42,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-28 09:14:42,161 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-28 09:14:42,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-28 09:14:42,161 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-28 09:14:42,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-28 09:14:42,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-28 09:14:42,161 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-28 09:14:42,161 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-28 09:14:42,161 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-28 09:14:42,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 09:14:42,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-28 09:14:42,162 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-28 09:14:42,162 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-28 09:14:42,162 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-28 09:14:42,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-28 09:14:42,162 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-01-28 09:14:42,163 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-28 09:14:42,163 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-01-28 09:14:42,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-28 09:14:42,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-28 09:14:42,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-28 09:14:42,371 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-28 09:14:42,372 INFO L275 PluginConnector]: CDTParser initialized [2023-01-28 09:14:42,372 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-poker-hand-trans.wvr.c [2023-01-28 09:14:43,389 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-28 09:14:43,526 INFO L351 CDTParser]: Found 1 translation units. [2023-01-28 09:14:43,526 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-trans.wvr.c [2023-01-28 09:14:43,532 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f11846b96/d572a54fbed545868e294fb279bb2ad3/FLAG729598489 [2023-01-28 09:14:43,541 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f11846b96/d572a54fbed545868e294fb279bb2ad3 [2023-01-28 09:14:43,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-28 09:14:43,545 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-28 09:14:43,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-28 09:14:43,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-28 09:14:43,548 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-28 09:14:43,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 09:14:43" (1/1) ... [2023-01-28 09:14:43,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bfbdde0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:14:43, skipping insertion in model container [2023-01-28 09:14:43,550 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 09:14:43" (1/1) ... [2023-01-28 09:14:43,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-28 09:14:43,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-28 09:14:43,828 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-trans.wvr.c[18874,18887] [2023-01-28 09:14:43,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 09:14:43,850 INFO L203 MainTranslator]: Completed pre-run [2023-01-28 09:14:43,952 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-trans.wvr.c[18874,18887] [2023-01-28 09:14:43,954 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 09:14:43,964 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-01-28 09:14:43,964 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-01-28 09:14:43,968 INFO L208 MainTranslator]: Completed translation [2023-01-28 09:14:43,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:14:43 WrapperNode [2023-01-28 09:14:43,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-28 09:14:43,970 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-28 09:14:43,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-28 09:14:43,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-28 09:14:43,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:14:43" (1/1) ... [2023-01-28 09:14:44,010 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:14:43" (1/1) ... [2023-01-28 09:14:44,084 INFO L138 Inliner]: procedures = 26, calls = 454, calls flagged for inlining = 100, calls inlined = 144, statements flattened = 2365 [2023-01-28 09:14:44,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-28 09:14:44,085 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-28 09:14:44,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-28 09:14:44,085 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-28 09:14:44,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:14:43" (1/1) ... [2023-01-28 09:14:44,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:14:43" (1/1) ... [2023-01-28 09:14:44,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:14:43" (1/1) ... [2023-01-28 09:14:44,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:14:43" (1/1) ... [2023-01-28 09:14:44,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:14:43" (1/1) ... [2023-01-28 09:14:44,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:14:43" (1/1) ... [2023-01-28 09:14:44,192 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:14:43" (1/1) ... [2023-01-28 09:14:44,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:14:43" (1/1) ... [2023-01-28 09:14:44,208 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-28 09:14:44,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-28 09:14:44,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-28 09:14:44,209 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-28 09:14:44,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:14:43" (1/1) ... [2023-01-28 09:14:44,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 09:14:44,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 09:14:44,254 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 09:14:44,283 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 09:14:44,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-28 09:14:44,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-28 09:14:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-28 09:14:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-28 09:14:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-01-28 09:14:44,295 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-01-28 09:14:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-01-28 09:14:44,295 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-01-28 09:14:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-01-28 09:14:44,295 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-01-28 09:14:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-28 09:14:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-01-28 09:14:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-01-28 09:14:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-01-28 09:14:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-28 09:14:44,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-28 09:14:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-28 09:14:44,299 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 09:14:44,509 INFO L236 CfgBuilder]: Building ICFG [2023-01-28 09:14:44,511 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-28 09:14:46,103 INFO L277 CfgBuilder]: Performing block encoding [2023-01-28 09:14:47,901 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-28 09:14:47,902 INFO L302 CfgBuilder]: Removed 18 assume(true) statements. [2023-01-28 09:14:47,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 09:14:47 BoogieIcfgContainer [2023-01-28 09:14:47,905 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-28 09:14:47,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-28 09:14:47,907 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-28 09:14:47,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-28 09:14:47,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 09:14:43" (1/3) ... [2023-01-28 09:14:47,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31e1dad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 09:14:47, skipping insertion in model container [2023-01-28 09:14:47,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 09:14:43" (2/3) ... [2023-01-28 09:14:47,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31e1dad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 09:14:47, skipping insertion in model container [2023-01-28 09:14:47,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 09:14:47" (3/3) ... [2023-01-28 09:14:47,912 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-trans.wvr.c [2023-01-28 09:14:47,929 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-28 09:14:47,930 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-28 09:14:47,930 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-28 09:14:48,382 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-01-28 09:14:48,430 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 657 places, 726 transitions, 1476 flow [2023-01-28 09:14:48,600 INFO L130 PetriNetUnfolder]: 79/723 cut-off events. [2023-01-28 09:14:48,600 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-01-28 09:14:48,607 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 934 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 09:14:48,607 INFO L82 GeneralOperation]: Start removeDead. Operand has 657 places, 726 transitions, 1476 flow [2023-01-28 09:14:48,613 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 644 places, 713 transitions, 1444 flow [2023-01-28 09:14:48,615 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 09:14:48,621 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 644 places, 713 transitions, 1444 flow [2023-01-28 09:14:48,623 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 644 places, 713 transitions, 1444 flow [2023-01-28 09:14:48,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 644 places, 713 transitions, 1444 flow [2023-01-28 09:14:48,740 INFO L130 PetriNetUnfolder]: 79/713 cut-off events. [2023-01-28 09:14:48,740 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-01-28 09:14:48,743 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 930 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 09:14:48,751 INFO L119 LiptonReduction]: Number of co-enabled transitions 22110 [2023-01-28 09:16:01,701 INFO L134 LiptonReduction]: Checked pairs total: 22962 [2023-01-28 09:16:01,701 INFO L136 LiptonReduction]: Total number of compositions: 836 [2023-01-28 09:16:01,717 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-01-28 09:16:01,725 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;@4b9bc651, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-28 09:16:01,725 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-01-28 09:16:01,771 INFO L130 PetriNetUnfolder]: 24/57 cut-off events. [2023-01-28 09:16:01,772 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-01-28 09:16:01,772 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 09:16:01,772 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 09:16:01,773 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 09:16:01,776 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 09:16:01,776 INFO L85 PathProgramCache]: Analyzing trace with hash -411687634, now seen corresponding path program 1 times [2023-01-28 09:16:01,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 09:16:01,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096955859] [2023-01-28 09:16:01,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 09:16:01,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 09:16:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 09:16:02,432 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 09:16:02,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 09:16:02,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096955859] [2023-01-28 09:16:02,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096955859] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 09:16:02,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 09:16:02,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-01-28 09:16:02,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852978343] [2023-01-28 09:16:02,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 09:16:02,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-28 09:16:02,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 09:16:02,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-28 09:16:02,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-28 09:16:02,463 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 511 out of 1562 [2023-01-28 09:16:02,467 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 09:16:02,468 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 09:16:02,468 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 511 of 1562 [2023-01-28 09:16:02,469 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 09:16:03,917 INFO L130 PetriNetUnfolder]: 873/1099 cut-off events. [2023-01-28 09:16:03,917 INFO L131 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2023-01-28 09:16:03,919 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2266 conditions, 1099 events. 873/1099 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2607 event pairs, 333 based on Foata normal form. 0/559 useless extension candidates. Maximal degree in co-relation 1844. Up to 1097 conditions per place. [2023-01-28 09:16:03,923 INFO L137 encePairwiseOnDemand]: 1555/1562 looper letters, 55 selfloop transitions, 6 changer transitions 0/61 dead transitions. [2023-01-28 09:16:03,923 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 61 transitions, 262 flow [2023-01-28 09:16:03,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-28 09:16:03,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-01-28 09:16:03,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1597 transitions. [2023-01-28 09:16:04,016 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.34080239009816476 [2023-01-28 09:16:04,016 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1597 transitions. [2023-01-28 09:16:04,017 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1597 transitions. [2023-01-28 09:16:04,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 09:16:04,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1597 transitions. [2023-01-28 09:16:04,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 532.3333333333334) internal successors, (1597), 3 states have internal predecessors, (1597), 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 09:16:04,056 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1562.0) internal successors, (6248), 4 states have internal predecessors, (6248), 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 09:16:04,058 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1562.0) internal successors, (6248), 4 states have internal predecessors, (6248), 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 09:16:04,060 INFO L175 Difference]: Start difference. First operand has 44 places, 58 transitions, 134 flow. Second operand 3 states and 1597 transitions. [2023-01-28 09:16:04,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 61 transitions, 262 flow [2023-01-28 09:16:04,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 61 transitions, 250 flow, removed 0 selfloop flow, removed 6 redundant places. [2023-01-28 09:16:04,065 INFO L231 Difference]: Finished difference. Result has 41 places, 61 transitions, 154 flow [2023-01-28 09:16:04,066 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1562, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=154, PETRI_PLACES=41, PETRI_TRANSITIONS=61} [2023-01-28 09:16:04,070 INFO L281 CegarLoopForPetriNet]: 44 programPoint places, -3 predicate places. [2023-01-28 09:16:04,070 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 61 transitions, 154 flow [2023-01-28 09:16:04,071 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 09:16:04,071 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 09:16:04,071 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] [2023-01-28 09:16:04,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-28 09:16:04,072 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 09:16:04,078 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 09:16:04,078 INFO L85 PathProgramCache]: Analyzing trace with hash 2142957173, now seen corresponding path program 1 times [2023-01-28 09:16:04,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 09:16:04,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589329838] [2023-01-28 09:16:04,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 09:16:04,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 09:16:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 09:16:04,442 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-01-28 09:16:04,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 09:16:04,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589329838] [2023-01-28 09:16:04,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589329838] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-28 09:16:04,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-28 09:16:04,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-01-28 09:16:04,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953500583] [2023-01-28 09:16:04,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-28 09:16:04,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-01-28 09:16:04,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 09:16:04,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-01-28 09:16:04,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-01-28 09:16:04,446 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 511 out of 1562 [2023-01-28 09:16:04,447 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 61 transitions, 154 flow. Second operand has 3 states, 3 states have (on average 521.3333333333334) internal successors, (1564), 3 states have internal predecessors, (1564), 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 09:16:04,447 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 09:16:04,448 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 511 of 1562 [2023-01-28 09:16:04,448 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 09:16:06,296 INFO L130 PetriNetUnfolder]: 873/1102 cut-off events. [2023-01-28 09:16:06,297 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-28 09:16:06,298 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2242 conditions, 1102 events. 873/1102 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 2580 event pairs, 333 based on Foata normal form. 0/564 useless extension candidates. Maximal degree in co-relation 2211. Up to 1100 conditions per place. [2023-01-28 09:16:06,301 INFO L137 encePairwiseOnDemand]: 1555/1562 looper letters, 58 selfloop transitions, 6 changer transitions 0/64 dead transitions. [2023-01-28 09:16:06,301 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 64 transitions, 288 flow [2023-01-28 09:16:06,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-01-28 09:16:06,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-01-28 09:16:06,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1597 transitions. [2023-01-28 09:16:06,305 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.34080239009816476 [2023-01-28 09:16:06,305 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1597 transitions. [2023-01-28 09:16:06,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1597 transitions. [2023-01-28 09:16:06,306 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 09:16:06,306 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1597 transitions. [2023-01-28 09:16:06,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 532.3333333333334) internal successors, (1597), 3 states have internal predecessors, (1597), 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 09:16:06,315 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1562.0) internal successors, (6248), 4 states have internal predecessors, (6248), 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 09:16:06,317 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1562.0) internal successors, (6248), 4 states have internal predecessors, (6248), 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 09:16:06,317 INFO L175 Difference]: Start difference. First operand has 41 places, 61 transitions, 154 flow. Second operand 3 states and 1597 transitions. [2023-01-28 09:16:06,317 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 64 transitions, 288 flow [2023-01-28 09:16:06,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 64 transitions, 282 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-01-28 09:16:06,319 INFO L231 Difference]: Finished difference. Result has 43 places, 64 transitions, 180 flow [2023-01-28 09:16:06,319 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1562, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=180, PETRI_PLACES=43, PETRI_TRANSITIONS=64} [2023-01-28 09:16:06,319 INFO L281 CegarLoopForPetriNet]: 44 programPoint places, -1 predicate places. [2023-01-28 09:16:06,319 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 64 transitions, 180 flow [2023-01-28 09:16:06,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 521.3333333333334) internal successors, (1564), 3 states have internal predecessors, (1564), 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 09:16:06,320 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 09:16:06,320 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 09:16:06,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-01-28 09:16:06,321 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 09:16:06,321 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 09:16:06,321 INFO L85 PathProgramCache]: Analyzing trace with hash 634694811, now seen corresponding path program 1 times [2023-01-28 09:16:06,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 09:16:06,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75619044] [2023-01-28 09:16:06,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 09:16:06,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 09:16:06,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 09:16:06,585 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 09:16:06,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 09:16:06,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75619044] [2023-01-28 09:16:06,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75619044] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 09:16:06,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746575792] [2023-01-28 09:16:06,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 09:16:06,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 09:16:06,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 09:16:06,590 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 09:16:06,620 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 09:16:07,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 09:16:07,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 5 conjunts are in the unsatisfiable core [2023-01-28 09:16:07,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 09:16:07,349 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 09:16:07,350 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 09:16:07,369 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 09:16:07,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746575792] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 09:16:07,369 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 09:16:07,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2023-01-28 09:16:07,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178748056] [2023-01-28 09:16:07,370 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 09:16:07,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-01-28 09:16:07,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 09:16:07,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-01-28 09:16:07,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2023-01-28 09:16:07,373 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 511 out of 1562 [2023-01-28 09:16:07,376 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 64 transitions, 180 flow. Second operand has 8 states, 8 states have (on average 516.0) internal successors, (4128), 8 states have internal predecessors, (4128), 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 09:16:07,377 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 09:16:07,377 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 511 of 1562 [2023-01-28 09:16:07,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 09:16:08,782 INFO L130 PetriNetUnfolder]: 873/1132 cut-off events. [2023-01-28 09:16:08,783 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2023-01-28 09:16:08,783 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2331 conditions, 1132 events. 873/1132 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 2580 event pairs, 333 based on Foata normal form. 9/604 useless extension candidates. Maximal degree in co-relation 2268. Up to 1097 conditions per place. [2023-01-28 09:16:08,786 INFO L137 encePairwiseOnDemand]: 1537/1562 looper letters, 46 selfloop transitions, 48 changer transitions 0/94 dead transitions. [2023-01-28 09:16:08,786 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 94 transitions, 464 flow [2023-01-28 09:16:08,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-01-28 09:16:08,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-01-28 09:16:08,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 4212 transitions. [2023-01-28 09:16:08,797 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.33706786171574904 [2023-01-28 09:16:08,797 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 4212 transitions. [2023-01-28 09:16:08,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 4212 transitions. [2023-01-28 09:16:08,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 09:16:08,799 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 4212 transitions. [2023-01-28 09:16:08,805 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 526.5) internal successors, (4212), 8 states have internal predecessors, (4212), 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 09:16:08,817 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 1562.0) internal successors, (14058), 9 states have internal predecessors, (14058), 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 09:16:08,820 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 1562.0) internal successors, (14058), 9 states have internal predecessors, (14058), 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 09:16:08,821 INFO L175 Difference]: Start difference. First operand has 43 places, 64 transitions, 180 flow. Second operand 8 states and 4212 transitions. [2023-01-28 09:16:08,821 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 94 transitions, 464 flow [2023-01-28 09:16:08,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 94 transitions, 458 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-01-28 09:16:08,823 INFO L231 Difference]: Finished difference. Result has 51 places, 94 transitions, 442 flow [2023-01-28 09:16:08,823 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1562, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=442, PETRI_PLACES=51, PETRI_TRANSITIONS=94} [2023-01-28 09:16:08,824 INFO L281 CegarLoopForPetriNet]: 44 programPoint places, 7 predicate places. [2023-01-28 09:16:08,824 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 94 transitions, 442 flow [2023-01-28 09:16:08,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 516.0) internal successors, (4128), 8 states have internal predecessors, (4128), 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 09:16:08,826 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 09:16:08,826 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 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 09:16:08,835 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 09:16:09,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 09:16:09,034 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 09:16:09,035 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 09:16:09,035 INFO L85 PathProgramCache]: Analyzing trace with hash -795979998, now seen corresponding path program 1 times [2023-01-28 09:16:09,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 09:16:09,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309494913] [2023-01-28 09:16:09,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 09:16:09,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 09:16:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 09:16:09,584 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-01-28 09:16:09,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 09:16:09,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309494913] [2023-01-28 09:16:09,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309494913] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 09:16:09,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190292014] [2023-01-28 09:16:09,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 09:16:09,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 09:16:09,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 09:16:09,588 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 09:16:09,631 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 09:16:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 09:16:10,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 8 conjunts are in the unsatisfiable core [2023-01-28 09:16:10,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 09:16:10,426 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-01-28 09:16:10,426 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-01-28 09:16:10,497 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-01-28 09:16:10,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190292014] provided 0 perfect and 2 imperfect interpolant sequences [2023-01-28 09:16:10,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-01-28 09:16:10,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 17 [2023-01-28 09:16:10,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602184976] [2023-01-28 09:16:10,498 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-01-28 09:16:10,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-01-28 09:16:10,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-28 09:16:10,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-01-28 09:16:10,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=156, Unknown=0, NotChecked=0, Total=272 [2023-01-28 09:16:10,502 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 511 out of 1562 [2023-01-28 09:16:10,508 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 94 transitions, 442 flow. Second operand has 17 states, 17 states have (on average 514.8235294117648) internal successors, (8752), 17 states have internal predecessors, (8752), 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 09:16:10,508 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-28 09:16:10,508 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 511 of 1562 [2023-01-28 09:16:10,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-28 09:16:11,915 INFO L130 PetriNetUnfolder]: 873/1165 cut-off events. [2023-01-28 09:16:11,915 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-01-28 09:16:11,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2536 conditions, 1165 events. 873/1165 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2605 event pairs, 333 based on Foata normal form. 19/652 useless extension candidates. Maximal degree in co-relation 2434. Up to 1097 conditions per place. [2023-01-28 09:16:11,919 INFO L137 encePairwiseOnDemand]: 1537/1562 looper letters, 46 selfloop transitions, 81 changer transitions 0/127 dead transitions. [2023-01-28 09:16:11,919 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 127 transitions, 870 flow [2023-01-28 09:16:11,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-01-28 09:16:11,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2023-01-28 09:16:11,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 8847 transitions. [2023-01-28 09:16:11,933 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3331701438577992 [2023-01-28 09:16:11,933 INFO L72 ComplementDD]: Start complementDD. Operand 17 states and 8847 transitions. [2023-01-28 09:16:11,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 8847 transitions. [2023-01-28 09:16:11,936 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-28 09:16:11,936 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 17 states and 8847 transitions. [2023-01-28 09:16:11,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 18 states, 17 states have (on average 520.4117647058823) internal successors, (8847), 17 states have internal predecessors, (8847), 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 09:16:11,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 18 states, 18 states have (on average 1562.0) internal successors, (28116), 18 states have internal predecessors, (28116), 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 09:16:11,972 INFO L81 ComplementDD]: Finished complementDD. Result has 18 states, 18 states have (on average 1562.0) internal successors, (28116), 18 states have internal predecessors, (28116), 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 09:16:11,972 INFO L175 Difference]: Start difference. First operand has 51 places, 94 transitions, 442 flow. Second operand 17 states and 8847 transitions. [2023-01-28 09:16:11,972 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 127 transitions, 870 flow [2023-01-28 09:16:11,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 127 transitions, 752 flow, removed 47 selfloop flow, removed 4 redundant places. [2023-01-28 09:16:11,976 INFO L231 Difference]: Finished difference. Result has 66 places, 127 transitions, 730 flow [2023-01-28 09:16:11,976 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1562, PETRI_DIFFERENCE_MINUEND_FLOW=366, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=57, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=730, PETRI_PLACES=66, PETRI_TRANSITIONS=127} [2023-01-28 09:16:11,976 INFO L281 CegarLoopForPetriNet]: 44 programPoint places, 22 predicate places. [2023-01-28 09:16:11,976 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 127 transitions, 730 flow [2023-01-28 09:16:11,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 514.8235294117648) internal successors, (8752), 17 states have internal predecessors, (8752), 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 09:16:11,978 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-28 09:16:11,979 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 5, 5, 5, 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 09:16:12,001 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 09:16:12,187 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,SelfDestructingSolverStorable3 [2023-01-28 09:16:12,188 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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 09:16:12,188 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-28 09:16:12,188 INFO L85 PathProgramCache]: Analyzing trace with hash 228461301, now seen corresponding path program 2 times [2023-01-28 09:16:12,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-28 09:16:12,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603168668] [2023-01-28 09:16:12,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-28 09:16:12,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-28 09:16:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-28 09:16:12,924 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2023-01-28 09:16:12,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-28 09:16:12,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603168668] [2023-01-28 09:16:12,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603168668] provided 0 perfect and 1 imperfect interpolant sequences [2023-01-28 09:16:12,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105440534] [2023-01-28 09:16:12,924 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-01-28 09:16:12,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 09:16:12,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 09:16:12,925 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 09:16:12,935 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 09:16:13,736 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-01-28 09:16:13,737 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-01-28 09:16:13,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 23 conjunts are in the unsatisfiable core [2023-01-28 09:16:13,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-01-28 09:17:18,578 WARN L222 SmtUtils]: Spent 57.72s on a formula simplification. DAG size of input: 191 DAG size of output: 191 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-01-28 09:17:19,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-28 09:17:19,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-28 09:17:19,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-28 09:17:19,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-28 09:17:19,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-28 09:17:19,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-01-28 09:17:27,006 WARN L222 SmtUtils]: Spent 7.59s on a formula simplification. DAG size of input: 1726 DAG size of output: 1059 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-01-28 09:17:27,009 INFO L321 Elim1Store]: treesize reduction 1396, result has 59.5 percent of original size [2023-01-28 09:17:27,010 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 28 select indices, 28 select index equivalence classes, 6 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 400 case distinctions, treesize of input 1529 treesize of output 3336 Received shutdown request... [2023-01-28 09:28:54,210 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 09:28:54,210 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 09:28:54,253 WARN L238 SmtUtils]: Removed 2 from assertion stack [2023-01-28 09:28:54,255 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-01-28 09:28:54,265 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 09:28:54,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-01-28 09:28:54,466 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was analyzing trace of length 98 with TraceHistMax 10,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 45ms.. [2023-01-28 09:28:54,468 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-01-28 09:28:54,468 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-01-28 09:28:54,468 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-01-28 09:28:54,468 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2023-01-28 09:28:54,471 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-28 09:28:54,471 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-28 09:28:54,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 09:28:54 BasicIcfg [2023-01-28 09:28:54,473 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-28 09:28:54,475 INFO L158 Benchmark]: Toolchain (without parser) took 850929.11ms. Allocated memory was 358.6MB in the beginning and 2.1GB in the end (delta: 1.8GB). Free memory was 292.6MB in the beginning and 1.1GB in the end (delta: -782.5MB). Peak memory consumption was 1.4GB. Max. memory is 16.0GB. [2023-01-28 09:28:54,475 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 358.6MB. Free memory is still 303.7MB. There was no memory consumed. Max. memory is 16.0GB. [2023-01-28 09:28:54,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 423.63ms. Allocated memory was 358.6MB in the beginning and 534.8MB in the end (delta: 176.2MB). Free memory was 292.3MB in the beginning and 493.5MB in the end (delta: -201.2MB). Peak memory consumption was 32.6MB. Max. memory is 16.0GB. [2023-01-28 09:28:54,476 INFO L158 Benchmark]: Boogie Procedure Inliner took 114.86ms. Allocated memory is still 534.8MB. Free memory was 493.5MB in the beginning and 482.0MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2023-01-28 09:28:54,476 INFO L158 Benchmark]: Boogie Preprocessor took 123.29ms. Allocated memory is still 534.8MB. Free memory was 482.0MB in the beginning and 471.5MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2023-01-28 09:28:54,477 INFO L158 Benchmark]: RCFGBuilder took 3696.22ms. Allocated memory is still 534.8MB. Free memory was 471.5MB in the beginning and 211.1MB in the end (delta: 260.4MB). Peak memory consumption was 320.1MB. Max. memory is 16.0GB. [2023-01-28 09:28:54,477 INFO L158 Benchmark]: TraceAbstraction took 846566.36ms. Allocated memory was 534.8MB in the beginning and 2.1GB in the end (delta: 1.6GB). Free memory was 210.1MB in the beginning and 1.1GB in the end (delta: -865.0MB). Peak memory consumption was 1.1GB. Max. memory is 16.0GB. [2023-01-28 09:28:54,478 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 358.6MB. Free memory is still 303.7MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 423.63ms. Allocated memory was 358.6MB in the beginning and 534.8MB in the end (delta: 176.2MB). Free memory was 292.3MB in the beginning and 493.5MB in the end (delta: -201.2MB). Peak memory consumption was 32.6MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 114.86ms. Allocated memory is still 534.8MB. Free memory was 493.5MB in the beginning and 482.0MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * Boogie Preprocessor took 123.29ms. Allocated memory is still 534.8MB. Free memory was 482.0MB in the beginning and 471.5MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * RCFGBuilder took 3696.22ms. Allocated memory is still 534.8MB. Free memory was 471.5MB in the beginning and 211.1MB in the end (delta: 260.4MB). Peak memory consumption was 320.1MB. Max. memory is 16.0GB. * TraceAbstraction took 846566.36ms. Allocated memory was 534.8MB in the beginning and 2.1GB in the end (delta: 1.6GB). Free memory was 210.1MB in the beginning and 1.1GB in the end (delta: -865.0MB). Peak memory consumption was 1.1GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 73.1s, 644 PlacesBefore, 44 PlacesAfterwards, 713 TransitionsBefore, 58 TransitionsAfterwards, 22110 CoEnabledTransitionPairs, 7 FixpointIterations, 456 TrivialSequentialCompositions, 173 ConcurrentSequentialCompositions, 108 TrivialYvCompositions, 44 ConcurrentYvCompositions, 55 ChoiceCompositions, 836 TotalNumberOfCompositions, 22962 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 21104, independent: 21067, independent conditional: 0, independent unconditional: 21067, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 12415, independent: 12384, independent conditional: 0, independent unconditional: 12384, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 21104, independent: 8683, independent conditional: 0, independent unconditional: 8683, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 12415, unknown conditional: 0, unknown unconditional: 12415] , Statistics on independence cache: Total cache size (in pairs): 72, Positive cache size: 69, Positive conditional cache size: 0, Positive unconditional cache size: 69, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - TimeoutResultAtElement [Line: 341]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNet was analyzing trace of length 98 with TraceHistMax 10,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 45ms.. - TimeoutResultAtElement [Line: 335]: 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 98 with TraceHistMax 10,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 45ms.. - TimeoutResultAtElement [Line: 334]: 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 98 with TraceHistMax 10,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 45ms.. - TimeoutResultAtElement [Line: 333]: 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 98 with TraceHistMax 10,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 45ms.. - 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: 846.0s, OverallIterations: 5, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 6.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 73.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 248 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 719 IncrementalHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 248 mSolverCounterUnsat, 0 mSDtfsCounter, 719 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 207 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=730occurred in iteration=4, InterpolantAutomatonStates: 31, 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, 1.6s InterpolantComputationTime, 255 NumberOfCodeBlocks, 255 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 345 ConstructedInterpolants, 0 QuantifiedInterpolants, 465 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1494 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 222/255 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