/usr/bin/java -Xmx8000000000 -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-RepeatedSemanticLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 02:41:40,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 02:41:40,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 02:41:40,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 02:41:40,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 02:41:40,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 02:41:40,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 02:41:40,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 02:41:40,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 02:41:40,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 02:41:40,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 02:41:40,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 02:41:40,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 02:41:40,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 02:41:40,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 02:41:40,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 02:41:40,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 02:41:40,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 02:41:40,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 02:41:40,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 02:41:40,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 02:41:40,390 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 02:41:40,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 02:41:40,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 02:41:40,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 02:41:40,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 02:41:40,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 02:41:40,398 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 02:41:40,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 02:41:40,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 02:41:40,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 02:41:40,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 02:41:40,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 02:41:40,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 02:41:40,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 02:41:40,402 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 02:41:40,403 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 02:41:40,403 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 02:41:40,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 02:41:40,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 02:41:40,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 02:41:40,404 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-RepeatedSemanticLbe.epf [2022-12-06 02:41:40,429 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 02:41:40,429 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 02:41:40,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 02:41:40,430 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 02:41:40,430 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 02:41:40,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 02:41:40,431 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 02:41:40,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 02:41:40,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 02:41:40,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 02:41:40,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 02:41:40,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 02:41:40,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 02:41:40,432 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 02:41:40,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 02:41:40,433 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 02:41:40,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 02:41:40,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 02:41:40,433 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 02:41:40,433 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 02:41:40,433 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 02:41:40,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 02:41:40,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 02:41:40,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 02:41:40,434 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 02:41:40,434 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 02:41:40,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 02:41:40,434 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 02:41:40,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 02:41:40,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 02:41:40,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 02:41:40,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 02:41:40,706 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 02:41:40,706 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 02:41:40,707 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c [2022-12-06 02:41:41,746 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 02:41:41,909 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 02:41:41,909 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c [2022-12-06 02:41:41,915 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c973fc3f/ef651907eee1451f9ec576082a5ee7c1/FLAG496761a64 [2022-12-06 02:41:41,931 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c973fc3f/ef651907eee1451f9ec576082a5ee7c1 [2022-12-06 02:41:41,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 02:41:41,934 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 02:41:41,936 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 02:41:41,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 02:41:41,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 02:41:41,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:41:41" (1/1) ... [2022-12-06 02:41:41,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@447572cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:41, skipping insertion in model container [2022-12-06 02:41:41,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:41:41" (1/1) ... [2022-12-06 02:41:41,943 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 02:41:41,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 02:41:42,094 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:41:42,096 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:41:42,096 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:41:42,097 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:41:42,099 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:41:42,101 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:41:42,103 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:41:42,104 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:41:42,104 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:41:42,105 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:41:42,105 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:41:42,106 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:41:42,111 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:41:42,112 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:41:42,113 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:41:42,114 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:41:42,121 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c[3019,3032] [2022-12-06 02:41:42,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 02:41:42,139 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 02:41:42,151 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:41:42,152 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:41:42,152 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:41:42,152 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:41:42,153 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:41:42,154 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:41:42,155 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:41:42,155 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:41:42,156 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:41:42,156 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:41:42,156 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:41:42,158 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:41:42,163 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:41:42,164 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:41:42,165 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:41:42,166 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:41:42,172 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c[3019,3032] [2022-12-06 02:41:42,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 02:41:42,183 INFO L208 MainTranslator]: Completed translation [2022-12-06 02:41:42,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:42 WrapperNode [2022-12-06 02:41:42,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 02:41:42,184 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 02:41:42,184 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 02:41:42,184 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 02:41:42,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:42" (1/1) ... [2022-12-06 02:41:42,204 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:42" (1/1) ... [2022-12-06 02:41:42,223 INFO L138 Inliner]: procedures = 26, calls = 63, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 137 [2022-12-06 02:41:42,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 02:41:42,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 02:41:42,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 02:41:42,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 02:41:42,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:42" (1/1) ... [2022-12-06 02:41:42,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:42" (1/1) ... [2022-12-06 02:41:42,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:42" (1/1) ... [2022-12-06 02:41:42,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:42" (1/1) ... [2022-12-06 02:41:42,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:42" (1/1) ... [2022-12-06 02:41:42,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:42" (1/1) ... [2022-12-06 02:41:42,255 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:42" (1/1) ... [2022-12-06 02:41:42,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:42" (1/1) ... [2022-12-06 02:41:42,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 02:41:42,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 02:41:42,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 02:41:42,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 02:41:42,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:42" (1/1) ... [2022-12-06 02:41:42,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 02:41:42,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 02:41:42,297 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) [2022-12-06 02:41:42,311 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 [2022-12-06 02:41:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 02:41:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 02:41:42,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 02:41:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 02:41:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-06 02:41:42,324 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-06 02:41:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-06 02:41:42,324 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-06 02:41:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-06 02:41:42,324 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-06 02:41:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-12-06 02:41:42,324 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-12-06 02:41:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 02:41:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 02:41:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 02:41:42,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-06 02:41:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 02:41:42,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 02:41:42,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 02:41:42,326 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 02:41:42,414 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 02:41:42,416 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 02:41:42,712 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 02:41:42,756 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 02:41:42,756 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-06 02:41:42,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:41:42 BoogieIcfgContainer [2022-12-06 02:41:42,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 02:41:42,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 02:41:42,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 02:41:42,762 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 02:41:42,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 02:41:41" (1/3) ... [2022-12-06 02:41:42,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e067a42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 02:41:42, skipping insertion in model container [2022-12-06 02:41:42,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:41:42" (2/3) ... [2022-12-06 02:41:42,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e067a42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 02:41:42, skipping insertion in model container [2022-12-06 02:41:42,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:41:42" (3/3) ... [2022-12-06 02:41:42,763 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-min-max-dec.wvr.c [2022-12-06 02:41:42,775 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 02:41:42,775 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 02:41:42,775 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 02:41:42,843 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-12-06 02:41:42,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 161 places, 160 transitions, 352 flow [2022-12-06 02:41:42,954 INFO L130 PetriNetUnfolder]: 12/156 cut-off events. [2022-12-06 02:41:42,954 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-06 02:41:42,959 INFO L83 FinitePrefix]: Finished finitePrefix Result has 173 conditions, 156 events. 12/156 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 113 event pairs, 0 based on Foata normal form. 0/143 useless extension candidates. Maximal degree in co-relation 124. Up to 2 conditions per place. [2022-12-06 02:41:42,959 INFO L82 GeneralOperation]: Start removeDead. Operand has 161 places, 160 transitions, 352 flow [2022-12-06 02:41:42,965 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 145 places, 144 transitions, 312 flow [2022-12-06 02:41:42,966 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:41:42,981 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 145 places, 144 transitions, 312 flow [2022-12-06 02:41:42,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 145 places, 144 transitions, 312 flow [2022-12-06 02:41:43,027 INFO L130 PetriNetUnfolder]: 12/144 cut-off events. [2022-12-06 02:41:43,027 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-06 02:41:43,029 INFO L83 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 144 events. 12/144 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 112 event pairs, 0 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 124. Up to 2 conditions per place. [2022-12-06 02:41:43,032 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 145 places, 144 transitions, 312 flow [2022-12-06 02:41:43,032 INFO L188 LiptonReduction]: Number of co-enabled transitions 2280 [2022-12-06 02:41:48,447 INFO L203 LiptonReduction]: Total number of compositions: 113 [2022-12-06 02:41:48,456 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 02:41:48,462 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=REPEATED_LIPTON_PN, 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;@3056b424, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 02:41:48,463 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-06 02:41:48,470 INFO L130 PetriNetUnfolder]: 4/30 cut-off events. [2022-12-06 02:41:48,471 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-06 02:41:48,471 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 02:41:48,472 INFO L213 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] [2022-12-06 02:41:48,472 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 2 more)] === [2022-12-06 02:41:48,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 02:41:48,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1695043003, now seen corresponding path program 1 times [2022-12-06 02:41:48,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 02:41:48,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967992719] [2022-12-06 02:41:48,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 02:41:48,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 02:41:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:41:48,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 02:41:48,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 02:41:48,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967992719] [2022-12-06 02:41:48,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967992719] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 02:41:48,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 02:41:48,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 02:41:48,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410441876] [2022-12-06 02:41:48,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 02:41:48,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 02:41:48,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 02:41:48,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 02:41:48,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-06 02:41:48,841 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 31 [2022-12-06 02:41:48,842 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 31 transitions, 86 flow. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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) [2022-12-06 02:41:48,842 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 02:41:48,843 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 31 [2022-12-06 02:41:48,843 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 02:41:49,046 INFO L130 PetriNetUnfolder]: 1420/1898 cut-off events. [2022-12-06 02:41:49,047 INFO L131 PetriNetUnfolder]: For 89/89 co-relation queries the response was YES. [2022-12-06 02:41:49,050 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3999 conditions, 1898 events. 1420/1898 cut-off events. For 89/89 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 7133 event pairs, 765 based on Foata normal form. 0/1421 useless extension candidates. Maximal degree in co-relation 3498. Up to 1552 conditions per place. [2022-12-06 02:41:49,057 INFO L137 encePairwiseOnDemand]: 27/31 looper letters, 42 selfloop transitions, 3 changer transitions 0/46 dead transitions. [2022-12-06 02:41:49,057 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 46 transitions, 215 flow [2022-12-06 02:41:49,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 02:41:49,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 02:41:49,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 50 transitions. [2022-12-06 02:41:49,065 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4032258064516129 [2022-12-06 02:41:49,068 INFO L294 CegarLoopForPetriNet]: 40 programPoint places, 3 predicate places. [2022-12-06 02:41:49,068 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:41:49,069 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 46 transitions, 215 flow [2022-12-06 02:41:49,076 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 46 transitions, 215 flow [2022-12-06 02:41:49,077 INFO L188 LiptonReduction]: Number of co-enabled transitions 50 [2022-12-06 02:41:49,078 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 02:41:49,079 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 11 [2022-12-06 02:41:49,079 INFO L495 AbstractCegarLoop]: Abstraction has has 43 places, 46 transitions, 215 flow [2022-12-06 02:41:49,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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) [2022-12-06 02:41:49,079 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 02:41:49,079 INFO L213 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] [2022-12-06 02:41:49,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 02:41:49,080 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 2 more)] === [2022-12-06 02:41:49,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 02:41:49,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1731643137, now seen corresponding path program 1 times [2022-12-06 02:41:49,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 02:41:49,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556696972] [2022-12-06 02:41:49,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 02:41:49,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 02:41:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:41:49,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 02:41:49,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 02:41:49,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556696972] [2022-12-06 02:41:49,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556696972] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 02:41:49,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 02:41:49,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 02:41:49,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870164691] [2022-12-06 02:41:49,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 02:41:49,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 02:41:49,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 02:41:49,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 02:41:49,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-06 02:41:49,167 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 31 [2022-12-06 02:41:49,167 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 46 transitions, 215 flow. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-12-06 02:41:49,167 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 02:41:49,167 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 31 [2022-12-06 02:41:49,168 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 02:41:49,400 INFO L130 PetriNetUnfolder]: 1718/2336 cut-off events. [2022-12-06 02:41:49,400 INFO L131 PetriNetUnfolder]: For 556/556 co-relation queries the response was YES. [2022-12-06 02:41:49,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7130 conditions, 2336 events. 1718/2336 cut-off events. For 556/556 co-relation queries the response was YES. Maximal size of possible extension queue 84. Compared 8318 event pairs, 787 based on Foata normal form. 0/1943 useless extension candidates. Maximal degree in co-relation 6270. Up to 1808 conditions per place. [2022-12-06 02:41:49,412 INFO L137 encePairwiseOnDemand]: 27/31 looper letters, 69 selfloop transitions, 4 changer transitions 0/73 dead transitions. [2022-12-06 02:41:49,412 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 73 transitions, 481 flow [2022-12-06 02:41:49,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 02:41:49,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 02:41:49,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 49 transitions. [2022-12-06 02:41:49,414 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.3951612903225806 [2022-12-06 02:41:49,415 INFO L294 CegarLoopForPetriNet]: 40 programPoint places, 6 predicate places. [2022-12-06 02:41:49,416 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:41:49,416 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 73 transitions, 481 flow [2022-12-06 02:41:49,427 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 73 transitions, 481 flow [2022-12-06 02:41:49,427 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 02:41:49,430 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 02:41:49,431 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 16 [2022-12-06 02:41:49,432 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 73 transitions, 481 flow [2022-12-06 02:41:49,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-12-06 02:41:49,432 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 02:41:49,432 INFO L213 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] [2022-12-06 02:41:49,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 02:41:49,432 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 2 more)] === [2022-12-06 02:41:49,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 02:41:49,433 INFO L85 PathProgramCache]: Analyzing trace with hash -632645235, now seen corresponding path program 1 times [2022-12-06 02:41:49,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 02:41:49,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341766179] [2022-12-06 02:41:49,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 02:41:49,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 02:41:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:41:49,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 02:41:49,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 02:41:49,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341766179] [2022-12-06 02:41:49,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341766179] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 02:41:49,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 02:41:49,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 02:41:49,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714205009] [2022-12-06 02:41:49,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 02:41:49,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 02:41:49,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 02:41:49,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 02:41:49,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-06 02:41:49,508 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 31 [2022-12-06 02:41:49,508 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 73 transitions, 481 flow. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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) [2022-12-06 02:41:49,508 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 02:41:49,508 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 31 [2022-12-06 02:41:49,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 02:41:49,780 INFO L130 PetriNetUnfolder]: 2138/2902 cut-off events. [2022-12-06 02:41:49,781 INFO L131 PetriNetUnfolder]: For 1830/1830 co-relation queries the response was YES. [2022-12-06 02:41:49,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11581 conditions, 2902 events. 2138/2902 cut-off events. For 1830/1830 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 10877 event pairs, 787 based on Foata normal form. 0/2449 useless extension candidates. Maximal degree in co-relation 10240. Up to 2244 conditions per place. [2022-12-06 02:41:49,806 INFO L137 encePairwiseOnDemand]: 27/31 looper letters, 107 selfloop transitions, 9 changer transitions 0/117 dead transitions. [2022-12-06 02:41:49,807 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 117 transitions, 1001 flow [2022-12-06 02:41:49,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 02:41:49,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 02:41:49,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 50 transitions. [2022-12-06 02:41:49,809 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4032258064516129 [2022-12-06 02:41:49,810 INFO L294 CegarLoopForPetriNet]: 40 programPoint places, 9 predicate places. [2022-12-06 02:41:49,811 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:41:49,811 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 117 transitions, 1001 flow [2022-12-06 02:41:49,829 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 117 transitions, 1001 flow [2022-12-06 02:41:49,829 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 02:41:49,832 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 02:41:49,834 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 24 [2022-12-06 02:41:49,834 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 117 transitions, 1001 flow [2022-12-06 02:41:49,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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) [2022-12-06 02:41:49,834 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 02:41:49,834 INFO L213 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] [2022-12-06 02:41:49,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 02:41:49,835 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 2 more)] === [2022-12-06 02:41:49,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 02:41:49,835 INFO L85 PathProgramCache]: Analyzing trace with hash 1239127188, now seen corresponding path program 1 times [2022-12-06 02:41:49,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 02:41:49,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649256299] [2022-12-06 02:41:49,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 02:41:49,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 02:41:49,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:41:49,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-06 02:41:49,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 02:41:49,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649256299] [2022-12-06 02:41:49,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649256299] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 02:41:49,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 02:41:49,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 02:41:49,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906893058] [2022-12-06 02:41:49,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 02:41:49,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 02:41:49,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 02:41:49,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 02:41:49,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 02:41:49,982 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 31 [2022-12-06 02:41:49,982 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 117 transitions, 1001 flow. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2022-12-06 02:41:49,982 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 02:41:49,982 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 31 [2022-12-06 02:41:49,982 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 02:41:50,259 INFO L130 PetriNetUnfolder]: 2138/2903 cut-off events. [2022-12-06 02:41:50,259 INFO L131 PetriNetUnfolder]: For 3554/3554 co-relation queries the response was YES. [2022-12-06 02:41:50,262 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14315 conditions, 2903 events. 2138/2903 cut-off events. For 3554/3554 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 10947 event pairs, 787 based on Foata normal form. 0/2450 useless extension candidates. Maximal degree in co-relation 12660. Up to 2729 conditions per place. [2022-12-06 02:41:50,279 INFO L137 encePairwiseOnDemand]: 28/31 looper letters, 115 selfloop transitions, 2 changer transitions 0/118 dead transitions. [2022-12-06 02:41:50,279 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 118 transitions, 1243 flow [2022-12-06 02:41:50,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 02:41:50,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 02:41:50,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 35 transitions. [2022-12-06 02:41:50,281 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.3763440860215054 [2022-12-06 02:41:50,281 INFO L294 CegarLoopForPetriNet]: 40 programPoint places, 11 predicate places. [2022-12-06 02:41:50,282 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:41:50,282 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 118 transitions, 1243 flow [2022-12-06 02:41:50,295 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 118 transitions, 1243 flow [2022-12-06 02:41:50,295 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 02:41:51,635 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 02:41:51,636 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 1355 [2022-12-06 02:41:51,636 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 117 transitions, 1233 flow [2022-12-06 02:41:51,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 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) [2022-12-06 02:41:51,637 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 02:41:51,637 INFO L213 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] [2022-12-06 02:41:51,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 02:41:51,637 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 2 more)] === [2022-12-06 02:41:51,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 02:41:51,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1444617111, now seen corresponding path program 1 times [2022-12-06 02:41:51,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 02:41:51,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769094305] [2022-12-06 02:41:51,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 02:41:51,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 02:41:51,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:41:52,598 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 02:41:52,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 02:41:52,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769094305] [2022-12-06 02:41:52,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769094305] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 02:41:52,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751678598] [2022-12-06 02:41:52,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 02:41:52,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 02:41:52,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 02:41:52,608 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) [2022-12-06 02:41:52,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-06 02:41:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:41:52,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 28 conjunts are in the unsatisfiable core [2022-12-06 02:41:52,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 02:41:52,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-06 02:41:52,859 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-06 02:41:52,909 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 7 [2022-12-06 02:41:52,942 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 02:41:52,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-06 02:41:53,116 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_181 (Array Int Int))) (let ((.cse0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_181) c_~A~0.base) c_~A~0.offset))) (or (<= 2147483647 .cse0) (<= c_~min~0 (+ .cse0 1))))) is different from false [2022-12-06 02:41:57,333 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 41 treesize of output 33 [2022-12-06 02:41:57,336 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 5 treesize of output 3 [2022-12-06 02:41:57,355 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 02:41:57,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [751678598] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-06 02:41:57,356 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-06 02:41:57,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 10] total 25 [2022-12-06 02:41:57,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401813696] [2022-12-06 02:41:57,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-06 02:41:57,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-12-06 02:41:57,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 02:41:57,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-12-06 02:41:57,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=532, Unknown=5, NotChecked=48, Total=702 [2022-12-06 02:41:57,361 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 31 [2022-12-06 02:41:57,361 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 117 transitions, 1233 flow. Second operand has 27 states, 27 states have (on average 4.222222222222222) internal successors, (114), 27 states have internal predecessors, (114), 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) [2022-12-06 02:41:57,361 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 02:41:57,361 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 31 [2022-12-06 02:41:57,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 02:42:03,945 INFO L130 PetriNetUnfolder]: 21036/28909 cut-off events. [2022-12-06 02:42:03,945 INFO L131 PetriNetUnfolder]: For 46562/46562 co-relation queries the response was YES. [2022-12-06 02:42:04,003 INFO L83 FinitePrefix]: Finished finitePrefix Result has 170273 conditions, 28909 events. 21036/28909 cut-off events. For 46562/46562 co-relation queries the response was YES. Maximal size of possible extension queue 1071. Compared 164259 event pairs, 519 based on Foata normal form. 15/22949 useless extension candidates. Maximal degree in co-relation 165760. Up to 27444 conditions per place. [2022-12-06 02:42:04,099 INFO L137 encePairwiseOnDemand]: 20/31 looper letters, 728 selfloop transitions, 223 changer transitions 1104/2056 dead transitions. [2022-12-06 02:42:04,099 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 2056 transitions, 25720 flow [2022-12-06 02:42:04,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-12-06 02:42:04,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2022-12-06 02:42:04,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 907 transitions. [2022-12-06 02:42:04,105 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4876344086021505 [2022-12-06 02:42:04,106 INFO L294 CegarLoopForPetriNet]: 40 programPoint places, 69 predicate places. [2022-12-06 02:42:04,107 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:42:04,107 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 2056 transitions, 25720 flow [2022-12-06 02:42:04,270 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 109 places, 2056 transitions, 25720 flow [2022-12-06 02:42:04,270 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 02:42:04,285 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 02:42:04,288 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 182 [2022-12-06 02:42:04,288 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 2056 transitions, 25720 flow [2022-12-06 02:42:04,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 4.222222222222222) internal successors, (114), 27 states have internal predecessors, (114), 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) [2022-12-06 02:42:04,289 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 02:42:04,289 INFO L213 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] [2022-12-06 02:42:04,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-06 02:42:04,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 02:42:04,493 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 02:42:04,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 02:42:04,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1312194429, now seen corresponding path program 2 times [2022-12-06 02:42:04,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 02:42:04,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137111551] [2022-12-06 02:42:04,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 02:42:04,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 02:42:04,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:42:04,742 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-12-06 02:42:04,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 02:42:04,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137111551] [2022-12-06 02:42:04,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137111551] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 02:42:04,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 02:42:04,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 02:42:04,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821001032] [2022-12-06 02:42:04,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 02:42:04,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 02:42:04,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 02:42:04,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 02:42:04,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 02:42:04,744 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 31 [2022-12-06 02:42:04,744 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 2056 transitions, 25720 flow. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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) [2022-12-06 02:42:04,744 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 02:42:04,744 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 31 [2022-12-06 02:42:04,744 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 02:42:11,261 INFO L130 PetriNetUnfolder]: 25230/34989 cut-off events. [2022-12-06 02:42:11,262 INFO L131 PetriNetUnfolder]: For 83886/83886 co-relation queries the response was YES. [2022-12-06 02:42:11,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 238725 conditions, 34989 events. 25230/34989 cut-off events. For 83886/83886 co-relation queries the response was YES. Maximal size of possible extension queue 1311. Compared 207479 event pairs, 80 based on Foata normal form. 15/27485 useless extension candidates. Maximal degree in co-relation 233116. Up to 33154 conditions per place. [2022-12-06 02:42:11,403 INFO L137 encePairwiseOnDemand]: 27/31 looper letters, 695 selfloop transitions, 15 changer transitions 3334/4045 dead transitions. [2022-12-06 02:42:11,403 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 4045 transitions, 58507 flow [2022-12-06 02:42:11,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 02:42:11,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 02:42:11,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 77 transitions. [2022-12-06 02:42:11,405 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4967741935483871 [2022-12-06 02:42:11,405 INFO L294 CegarLoopForPetriNet]: 40 programPoint places, 73 predicate places. [2022-12-06 02:42:11,406 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:42:11,406 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 113 places, 4045 transitions, 58507 flow [2022-12-06 02:42:11,648 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 113 places, 4045 transitions, 58507 flow [2022-12-06 02:42:11,651 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 02:42:11,665 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 02:42:11,667 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 262 [2022-12-06 02:42:11,667 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 4045 transitions, 58507 flow [2022-12-06 02:42:11,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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) [2022-12-06 02:42:11,667 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 02:42:11,668 INFO L213 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] [2022-12-06 02:42:11,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 02:42:11,669 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 02:42:11,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 02:42:11,669 INFO L85 PathProgramCache]: Analyzing trace with hash -810565169, now seen corresponding path program 3 times [2022-12-06 02:42:11,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 02:42:11,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142408413] [2022-12-06 02:42:11,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 02:42:11,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 02:42:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:42:12,181 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-06 02:42:12,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 02:42:12,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142408413] [2022-12-06 02:42:12,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142408413] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 02:42:12,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909390] [2022-12-06 02:42:12,181 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-06 02:42:12,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 02:42:12,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 02:42:12,183 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) [2022-12-06 02:42:12,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-06 02:42:12,465 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-12-06 02:42:12,465 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-06 02:42:12,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 26 conjunts are in the unsatisfiable core [2022-12-06 02:42:12,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 02:42:12,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-06 02:42:12,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-06 02:42:12,583 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 7 [2022-12-06 02:42:12,607 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-06 02:42:12,607 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-06 02:42:18,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 41 treesize of output 33 [2022-12-06 02:42:18,901 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 5 treesize of output 3 [2022-12-06 02:42:18,912 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-06 02:42:18,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1909390] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-06 02:42:18,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-06 02:42:18,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7, 7] total 19 [2022-12-06 02:42:18,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615092260] [2022-12-06 02:42:18,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 02:42:18,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-06 02:42:18,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 02:42:18,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-06 02:42:18,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=326, Unknown=8, NotChecked=0, Total=420 [2022-12-06 02:42:18,914 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 31 [2022-12-06 02:42:18,914 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 4045 transitions, 58507 flow. Second operand has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 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) [2022-12-06 02:42:18,914 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 02:42:18,914 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 31 [2022-12-06 02:42:18,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 02:42:58,199 INFO L130 PetriNetUnfolder]: 50135/69435 cut-off events. [2022-12-06 02:42:58,199 INFO L131 PetriNetUnfolder]: For 241194/241194 co-relation queries the response was YES. [2022-12-06 02:42:58,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 539280 conditions, 69435 events. 50135/69435 cut-off events. For 241194/241194 co-relation queries the response was YES. Maximal size of possible extension queue 2651. Compared 449337 event pairs, 189 based on Foata normal form. 5/54576 useless extension candidates. Maximal degree in co-relation 517692. Up to 65691 conditions per place. [2022-12-06 02:42:58,497 INFO L137 encePairwiseOnDemand]: 21/31 looper letters, 1047 selfloop transitions, 141 changer transitions 8239/9428 dead transitions. [2022-12-06 02:42:58,498 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 9428 transitions, 155108 flow [2022-12-06 02:42:58,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-06 02:42:58,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2022-12-06 02:42:58,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 225 transitions. [2022-12-06 02:42:58,499 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5184331797235023 [2022-12-06 02:42:58,500 INFO L294 CegarLoopForPetriNet]: 40 programPoint places, 86 predicate places. [2022-12-06 02:42:58,501 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:42:58,501 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 9428 transitions, 155108 flow [2022-12-06 02:42:58,975 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 9428 transitions, 155108 flow [2022-12-06 02:42:58,975 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 02:42:59,003 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 02:42:59,004 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 504 [2022-12-06 02:42:59,004 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 9428 transitions, 155108 flow [2022-12-06 02:42:59,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.9) internal successors, (39), 10 states have internal predecessors, (39), 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) [2022-12-06 02:42:59,004 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 02:42:59,004 INFO L213 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] [2022-12-06 02:42:59,010 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-06 02:42:59,209 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,SelfDestructingSolverStorable6 [2022-12-06 02:42:59,209 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 02:42:59,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 02:42:59,210 INFO L85 PathProgramCache]: Analyzing trace with hash 624120817, now seen corresponding path program 4 times [2022-12-06 02:42:59,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 02:42:59,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117011302] [2022-12-06 02:42:59,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 02:42:59,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 02:42:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:42:59,924 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-06 02:42:59,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 02:42:59,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117011302] [2022-12-06 02:42:59,925 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117011302] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 02:42:59,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144329993] [2022-12-06 02:42:59,925 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-06 02:42:59,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 02:42:59,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 02:42:59,926 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) [2022-12-06 02:42:59,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-06 02:43:00,021 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-06 02:43:00,022 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-06 02:43:00,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 22 conjunts are in the unsatisfiable core [2022-12-06 02:43:00,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 02:43:00,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-06 02:43:00,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-12-06 02:43:00,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 28 treesize of output 16 [2022-12-06 02:43:00,150 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 17 treesize of output 9 [2022-12-06 02:43:00,171 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-06 02:43:00,171 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-06 02:43:00,295 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_343 (Array Int Int))) (let ((.cse0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_343) c_~A~0.base) c_~A~0.offset))) (or (< 2147483647 .cse0) (< c_~min~0 (+ .cse0 1))))) is different from false [2022-12-06 02:43:00,331 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_int| c_~A~0.base))) (and (forall ((v_ArrVal_343 (Array Int Int))) (let ((.cse1 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_343) c_~A~0.base) c_~A~0.offset))) (or (forall ((thread1Thread1of1ForFork1_~i~0 Int)) (let ((.cse0 (select .cse2 (+ c_~A~0.offset (* thread1Thread1of1ForFork1_~i~0 4))))) (or (< c_~min~0 .cse0) (< .cse0 (+ .cse1 1))))) (< 2147483647 .cse1)))) (or (forall ((thread1Thread1of1ForFork1_~i~0 Int)) (not (< c_~min~0 (select .cse2 (+ c_~A~0.offset (* thread1Thread1of1ForFork1_~i~0 4)))))) (forall ((v_ArrVal_343 (Array Int Int))) (let ((.cse3 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t4~0#1.base| v_ArrVal_343) c_~A~0.base) c_~A~0.offset))) (or (< 2147483647 .cse3) (< c_~min~0 (+ .cse3 1)))))))) is different from false [2022-12-06 02:43:00,367 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 02:43:00,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 143 treesize of output 123 [2022-12-06 02:43:00,372 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 86 treesize of output 82 [2022-12-06 02:43:00,375 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 82 treesize of output 78 [2022-12-06 02:43:00,416 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 1 not checked. [2022-12-06 02:43:00,416 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144329993] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-06 02:43:00,416 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-06 02:43:00,416 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 9] total 23 [2022-12-06 02:43:00,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466862427] [2022-12-06 02:43:00,416 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-06 02:43:00,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-12-06 02:43:00,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 02:43:00,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-12-06 02:43:00,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=426, Unknown=2, NotChecked=86, Total=600 [2022-12-06 02:43:00,417 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 31 [2022-12-06 02:43:00,418 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 9428 transitions, 155108 flow. Second operand has 25 states, 24 states have (on average 3.375) internal successors, (81), 24 states have internal predecessors, (81), 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) [2022-12-06 02:43:00,418 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 02:43:00,418 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 31 [2022-12-06 02:43:00,418 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 02:46:04,297 INFO L130 PetriNetUnfolder]: 115101/160214 cut-off events. [2022-12-06 02:46:04,297 INFO L131 PetriNetUnfolder]: For 172462/172462 co-relation queries the response was YES. [2022-12-06 02:46:04,681 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1430277 conditions, 160214 events. 115101/160214 cut-off events. For 172462/172462 co-relation queries the response was YES. Maximal size of possible extension queue 5702. Compared 1136297 event pairs, 149 based on Foata normal form. 22/121539 useless extension candidates. Maximal degree in co-relation 1363849. Up to 155850 conditions per place. [2022-12-06 02:46:04,987 INFO L137 encePairwiseOnDemand]: 24/31 looper letters, 1905 selfloop transitions, 179 changer transitions 22496/24580 dead transitions. [2022-12-06 02:46:04,987 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 24580 transitions, 454491 flow [2022-12-06 02:46:04,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-12-06 02:46:04,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2022-12-06 02:46:04,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 453 transitions. [2022-12-06 02:46:04,991 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5620347394540943 [2022-12-06 02:46:04,994 INFO L294 CegarLoopForPetriNet]: 40 programPoint places, 111 predicate places. [2022-12-06 02:46:04,994 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:46:04,994 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 151 places, 24580 transitions, 454491 flow [2022-12-06 02:46:06,608 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 151 places, 24580 transitions, 454491 flow [2022-12-06 02:46:06,608 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 02:46:06,693 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 02:46:06,694 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 1700 [2022-12-06 02:46:06,694 INFO L495 AbstractCegarLoop]: Abstraction has has 151 places, 24580 transitions, 454491 flow [2022-12-06 02:46:06,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.375) internal successors, (81), 24 states have internal predecessors, (81), 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) [2022-12-06 02:46:06,694 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 02:46:06,694 INFO L213 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] [2022-12-06 02:46:06,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-06 02:46:06,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 02:46:06,900 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 02:46:06,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 02:46:06,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1310197733, now seen corresponding path program 5 times [2022-12-06 02:46:06,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 02:46:06,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812661177] [2022-12-06 02:46:06,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 02:46:06,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 02:46:06,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:46:07,143 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-06 02:46:07,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 02:46:07,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812661177] [2022-12-06 02:46:07,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812661177] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 02:46:07,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120118738] [2022-12-06 02:46:07,143 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-12-06 02:46:07,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 02:46:07,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 02:46:07,161 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-06 02:46:07,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-06 02:46:07,279 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-06 02:46:07,280 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-06 02:46:07,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-06 02:46:07,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 02:46:07,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 7 [2022-12-06 02:46:07,344 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-06 02:46:07,344 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-06 02:46:07,471 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-06 02:46:07,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120118738] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-06 02:46:07,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-06 02:46:07,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5, 6] total 14 [2022-12-06 02:46:07,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565334907] [2022-12-06 02:46:07,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 02:46:07,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-06 02:46:07,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 02:46:07,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-06 02:46:07,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2022-12-06 02:46:07,473 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 31 [2022-12-06 02:46:07,473 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 24580 transitions, 454491 flow. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 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) [2022-12-06 02:46:07,473 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 02:46:07,473 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 31 [2022-12-06 02:46:07,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2022-12-06 02:55:45,767 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 [2022-12-06 02:55:45,767 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-06 02:55:46,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-06 02:55:46,135 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-12-06 02:55:46,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-06 02:55:46,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 02:55:46,340 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (7states, 1/31 universal loopers) in iteration 9,while PetriNetUnfolder was constructing finite prefix that currently has 1285583 conditions, 130770 events (97955/130769 cut-off events. For 275318/275318 co-relation queries the response was YES. Maximal size of possible extension queue 11191. Compared 921796 event pairs, 55 based on Foata normal form. 0/110775 useless extension candidates. Maximal degree in co-relation 1255073. Up to 125692 conditions per place.). [2022-12-06 02:55:46,341 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2022-12-06 02:55:46,342 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-12-06 02:55:46,342 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2022-12-06 02:55:46,342 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2022-12-06 02:55:46,342 INFO L458 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1] [2022-12-06 02:55:46,345 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 02:55:46,345 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 02:55:46,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 02:55:46 BasicIcfg [2022-12-06 02:55:46,347 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 02:55:46,347 INFO L158 Benchmark]: Toolchain (without parser) took 844413.43ms. Allocated memory was 177.2MB in the beginning and 3.0GB in the end (delta: 2.9GB). Free memory was 128.6MB in the beginning and 278.4MB in the end (delta: -149.7MB). Peak memory consumption was 3.6GB. Max. memory is 8.0GB. [2022-12-06 02:55:46,347 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 177.2MB. Free memory is still 154.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 02:55:46,348 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.67ms. Allocated memory is still 177.2MB. Free memory was 128.4MB in the beginning and 145.9MB in the end (delta: -17.4MB). Peak memory consumption was 7.1MB. Max. memory is 8.0GB. [2022-12-06 02:55:46,348 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.95ms. Allocated memory is still 177.2MB. Free memory was 145.9MB in the beginning and 143.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 02:55:46,348 INFO L158 Benchmark]: Boogie Preprocessor took 34.22ms. Allocated memory is still 177.2MB. Free memory was 143.8MB in the beginning and 142.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 02:55:46,348 INFO L158 Benchmark]: RCFGBuilder took 499.75ms. Allocated memory is still 177.2MB. Free memory was 142.1MB in the beginning and 119.0MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2022-12-06 02:55:46,348 INFO L158 Benchmark]: TraceAbstraction took 843587.27ms. Allocated memory was 177.2MB in the beginning and 3.0GB in the end (delta: 2.9GB). Free memory was 118.4MB in the beginning and 278.4MB in the end (delta: -159.9MB). Peak memory consumption was 3.6GB. Max. memory is 8.0GB. [2022-12-06 02:55:46,349 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 177.2MB. Free memory is still 154.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 247.67ms. Allocated memory is still 177.2MB. Free memory was 128.4MB in the beginning and 145.9MB in the end (delta: -17.4MB). Peak memory consumption was 7.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.95ms. Allocated memory is still 177.2MB. Free memory was 145.9MB in the beginning and 143.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.22ms. Allocated memory is still 177.2MB. Free memory was 143.8MB in the beginning and 142.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 499.75ms. Allocated memory is still 177.2MB. Free memory was 142.1MB in the beginning and 119.0MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * TraceAbstraction took 843587.27ms. Allocated memory was 177.2MB in the beginning and 3.0GB in the end (delta: 2.9GB). Free memory was 118.4MB in the beginning and 278.4MB in the end (delta: -159.9MB). Peak memory consumption was 3.6GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.4s, 145 PlacesBefore, 40 PlacesAfterwards, 144 TransitionsBefore, 31 TransitionsAfterwards, 2280 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 66 TrivialYvCompositions, 39 ConcurrentYvCompositions, 8 ChoiceCompositions, 113 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1331, independent: 1309, independent conditional: 1309, independent unconditional: 0, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1331, independent: 1309, independent conditional: 0, independent unconditional: 1309, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1331, independent: 1309, independent conditional: 0, independent unconditional: 1309, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1331, independent: 1309, independent conditional: 0, independent unconditional: 1309, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1267, independent: 1249, independent conditional: 0, independent unconditional: 1249, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1267, independent: 1249, independent conditional: 0, independent unconditional: 1249, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 48, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1331, independent: 60, independent conditional: 0, independent unconditional: 60, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 1267, unknown conditional: 0, unknown unconditional: 1267] , Statistics on independence cache: Total cache size (in pairs): 2030, Positive cache size: 2012, Positive conditional cache size: 0, Positive unconditional cache size: 2012, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 43 PlacesBefore, 43 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 50 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 46 PlacesBefore, 46 PlacesAfterwards, 73 TransitionsBefore, 73 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 49 PlacesBefore, 49 PlacesAfterwards, 117 TransitionsBefore, 117 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.3s, 51 PlacesBefore, 50 PlacesAfterwards, 118 TransitionsBefore, 117 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 109 PlacesBefore, 109 PlacesAfterwards, 2056 TransitionsBefore, 2056 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 113 PlacesBefore, 113 PlacesAfterwards, 4045 TransitionsBefore, 4045 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 126 PlacesBefore, 126 PlacesAfterwards, 9428 TransitionsBefore, 9428 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 151 PlacesBefore, 151 PlacesAfterwards, 24580 TransitionsBefore, 24580 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (7states, 1/31 universal loopers) in iteration 9,while PetriNetUnfolder was constructing finite prefix that currently has 1285583 conditions, 130770 events (97955/130769 cut-off events. For 275318/275318 co-relation queries the response was YES. Maximal size of possible extension queue 11191. Compared 921796 event pairs, 55 based on Foata normal form. 0/110775 useless extension candidates. Maximal degree in co-relation 1255073. Up to 125692 conditions per place.). - TimeoutResultAtElement [Line: 110]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (7states, 1/31 universal loopers) in iteration 9,while PetriNetUnfolder was constructing finite prefix that currently has 1285583 conditions, 130770 events (97955/130769 cut-off events. For 275318/275318 co-relation queries the response was YES. Maximal size of possible extension queue 11191. Compared 921796 event pairs, 55 based on Foata normal form. 0/110775 useless extension candidates. Maximal degree in co-relation 1255073. Up to 125692 conditions per place.). - TimeoutResultAtElement [Line: 112]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (7states, 1/31 universal loopers) in iteration 9,while PetriNetUnfolder was constructing finite prefix that currently has 1285583 conditions, 130770 events (97955/130769 cut-off events. For 275318/275318 co-relation queries the response was YES. Maximal size of possible extension queue 11191. Compared 921796 event pairs, 55 based on Foata normal form. 0/110775 useless extension candidates. Maximal degree in co-relation 1255073. Up to 125692 conditions per place.). - TimeoutResultAtElement [Line: 111]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (7states, 1/31 universal loopers) in iteration 9,while PetriNetUnfolder was constructing finite prefix that currently has 1285583 conditions, 130770 events (97955/130769 cut-off events. For 275318/275318 co-relation queries the response was YES. Maximal size of possible extension queue 11191. Compared 921796 event pairs, 55 based on Foata normal form. 0/110775 useless extension candidates. Maximal degree in co-relation 1255073. Up to 125692 conditions per place.). - TimeoutResultAtElement [Line: 113]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (7states, 1/31 universal loopers) in iteration 9,while PetriNetUnfolder was constructing finite prefix that currently has 1285583 conditions, 130770 events (97955/130769 cut-off events. For 275318/275318 co-relation queries the response was YES. Maximal size of possible extension queue 11191. Compared 921796 event pairs, 55 based on Foata normal form. 0/110775 useless extension candidates. Maximal degree in co-relation 1255073. Up to 125692 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 188 locations, 5 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: 843.5s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 817.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2400 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2400 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 426 IncrementalHoareTripleChecker+Unchecked, 19 mSDsCounter, 178 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3665 IncrementalHoareTripleChecker+Invalid, 4269 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 178 mSolverCounterUnsat, 7 mSDtfsCounter, 3665 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 420 GetRequests, 196 SyntacticMatches, 34 SemanticMatches, 190 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 4028 ImplicationChecksByTransitivity, 31.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=454491occurred in iteration=8, InterpolantAutomatonStates: 120, 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: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 14.5s InterpolantComputationTime, 384 NumberOfCodeBlocks, 384 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 487 ConstructedInterpolants, 13 QuantifiedInterpolants, 3614 SizeOfPredicates, 54 NumberOfNonLiveVariables, 1148 ConjunctsInSsa, 89 ConjunctsInUnsatCore, 17 InterpolantComputations, 7 PerfectInterpolantSequences, 30/45 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