/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-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 19:07:17,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 19:07:17,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 19:07:17,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 19:07:17,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 19:07:17,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 19:07:17,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 19:07:17,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 19:07:17,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 19:07:17,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 19:07:17,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 19:07:17,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 19:07:17,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 19:07:17,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 19:07:17,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 19:07:17,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 19:07:17,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 19:07:17,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 19:07:17,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 19:07:17,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 19:07:17,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 19:07:17,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 19:07:17,671 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 19:07:17,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 19:07:17,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 19:07:17,679 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 19:07:17,680 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 19:07:17,680 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 19:07:17,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 19:07:17,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 19:07:17,682 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 19:07:17,682 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 19:07:17,683 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 19:07:17,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 19:07:17,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 19:07:17,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 19:07:17,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 19:07:17,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 19:07:17,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 19:07:17,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 19:07:17,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 19:07:17,705 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-NoLbe.epf [2022-12-05 19:07:17,739 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 19:07:17,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 19:07:17,740 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-05 19:07:17,741 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-05 19:07:17,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 19:07:17,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 19:07:17,742 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 19:07:17,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 19:07:17,742 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 19:07:17,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 19:07:17,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 19:07:17,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 19:07:17,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 19:07:17,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 19:07:17,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 19:07:17,744 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 19:07:17,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 19:07:17,744 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 19:07:17,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 19:07:17,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 19:07:17,745 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 19:07:17,745 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 19:07:17,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 19:07:17,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 19:07:17,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 19:07:17,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 19:07:17,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 19:07:17,746 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 19:07:17,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 19:07:17,746 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-05 19:07:17,746 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-05 19:07:17,746 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 19:07:18,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 19:07:18,032 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 19:07:18,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 19:07:18,034 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 19:07:18,034 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 19:07:18,035 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c [2022-12-05 19:07:19,212 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 19:07:19,420 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 19:07:19,420 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c [2022-12-05 19:07:19,425 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0bc902d7/aa9e062a96c14991bb89db9d54f35774/FLAG722431f79 [2022-12-05 19:07:19,439 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0bc902d7/aa9e062a96c14991bb89db9d54f35774 [2022-12-05 19:07:19,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 19:07:19,442 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 19:07:19,443 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 19:07:19,443 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 19:07:19,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 19:07:19,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 07:07:19" (1/1) ... [2022-12-05 19:07:19,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72d24c5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 07:07:19, skipping insertion in model container [2022-12-05 19:07:19,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 07:07:19" (1/1) ... [2022-12-05 19:07:19,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 19:07:19,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 19:07:19,586 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 19:07:19,587 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 19:07:19,588 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 19:07:19,589 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 19:07:19,596 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/parallel-simple-equiv.wvr.c[2212,2225] [2022-12-05 19:07:19,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 19:07:19,607 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 19:07:19,618 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 19:07:19,619 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 19:07:19,619 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-05 19:07:19,619 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-05 19:07:19,624 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/parallel-simple-equiv.wvr.c[2212,2225] [2022-12-05 19:07:19,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 19:07:19,636 INFO L208 MainTranslator]: Completed translation [2022-12-05 19:07:19,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 07:07:19 WrapperNode [2022-12-05 19:07:19,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 19:07:19,638 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 19:07:19,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 19:07:19,638 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 19:07:19,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 07:07:19" (1/1) ... [2022-12-05 19:07:19,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 07:07:19" (1/1) ... [2022-12-05 19:07:19,675 INFO L138 Inliner]: procedures = 22, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-12-05 19:07:19,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 19:07:19,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 19:07:19,677 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 19:07:19,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 19:07:19,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 07:07:19" (1/1) ... [2022-12-05 19:07:19,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 07:07:19" (1/1) ... [2022-12-05 19:07:19,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 07:07:19" (1/1) ... [2022-12-05 19:07:19,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 07:07:19" (1/1) ... [2022-12-05 19:07:19,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 07:07:19" (1/1) ... [2022-12-05 19:07:19,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 07:07:19" (1/1) ... [2022-12-05 19:07:19,710 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 07:07:19" (1/1) ... [2022-12-05 19:07:19,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 07:07:19" (1/1) ... [2022-12-05 19:07:19,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 19:07:19,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 19:07:19,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 19:07:19,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 19:07:19,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 07:07:19" (1/1) ... [2022-12-05 19:07:19,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 19:07:19,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 19:07:19,753 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) [2022-12-05 19:07:19,780 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 [2022-12-05 19:07:19,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 19:07:19,799 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-05 19:07:19,799 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-05 19:07:19,799 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-05 19:07:19,799 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-05 19:07:19,799 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-05 19:07:19,799 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-05 19:07:19,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 19:07:19,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 19:07:19,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 19:07:19,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-05 19:07:19,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-05 19:07:19,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 19:07:19,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 19:07:19,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-05 19:07:19,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 19:07:19,802 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-05 19:07:19,911 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 19:07:19,913 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 19:07:20,092 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 19:07:20,115 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 19:07:20,115 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-05 19:07:20,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 07:07:20 BoogieIcfgContainer [2022-12-05 19:07:20,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 19:07:20,119 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 19:07:20,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 19:07:20,121 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 19:07:20,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 07:07:19" (1/3) ... [2022-12-05 19:07:20,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d32c18f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 07:07:20, skipping insertion in model container [2022-12-05 19:07:20,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 07:07:19" (2/3) ... [2022-12-05 19:07:20,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d32c18f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 07:07:20, skipping insertion in model container [2022-12-05 19:07:20,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 07:07:20" (3/3) ... [2022-12-05 19:07:20,123 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-simple-equiv.wvr.c [2022-12-05 19:07:20,137 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 19:07:20,138 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-05 19:07:20,138 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 19:07:20,208 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-05 19:07:20,239 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 95 places, 87 transitions, 198 flow [2022-12-05 19:07:20,286 INFO L130 PetriNetUnfolder]: 2/84 cut-off events. [2022-12-05 19:07:20,286 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-05 19:07:20,290 INFO L83 FinitePrefix]: Finished finitePrefix Result has 97 conditions, 84 events. 2/84 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 24 event pairs, 0 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 52. Up to 2 conditions per place. [2022-12-05 19:07:20,290 INFO L82 GeneralOperation]: Start removeDead. Operand has 95 places, 87 transitions, 198 flow [2022-12-05 19:07:20,294 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 82 places, 74 transitions, 166 flow [2022-12-05 19:07:20,303 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 19:07:20,309 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@544ddfdb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 19:07:20,310 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-05 19:07:20,336 INFO L130 PetriNetUnfolder]: 2/73 cut-off events. [2022-12-05 19:07:20,336 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-05 19:07:20,336 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 19:07:20,337 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 19:07:20,338 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-05 19:07:20,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 19:07:20,343 INFO L85 PathProgramCache]: Analyzing trace with hash -511271724, now seen corresponding path program 1 times [2022-12-05 19:07:20,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 19:07:20,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025604009] [2022-12-05 19:07:20,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 19:07:20,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 19:07:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 19:07:21,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 19:07:21,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 19:07:21,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025604009] [2022-12-05 19:07:21,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025604009] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 19:07:21,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 19:07:21,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-05 19:07:21,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973319771] [2022-12-05 19:07:21,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 19:07:21,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-05 19:07:21,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 19:07:21,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-05 19:07:21,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-12-05 19:07:21,763 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 87 [2022-12-05 19:07:21,769 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 74 transitions, 166 flow. Second operand has 11 states, 11 states have (on average 58.36363636363637) internal successors, (642), 11 states have internal predecessors, (642), 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) [2022-12-05 19:07:21,770 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 19:07:21,770 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 87 [2022-12-05 19:07:21,771 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 19:07:22,326 INFO L130 PetriNetUnfolder]: 47/213 cut-off events. [2022-12-05 19:07:22,326 INFO L131 PetriNetUnfolder]: For 79/85 co-relation queries the response was YES. [2022-12-05 19:07:22,328 INFO L83 FinitePrefix]: Finished finitePrefix Result has 376 conditions, 213 events. 47/213 cut-off events. For 79/85 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 725 event pairs, 21 based on Foata normal form. 6/210 useless extension candidates. Maximal degree in co-relation 250. Up to 85 conditions per place. [2022-12-05 19:07:22,331 INFO L137 encePairwiseOnDemand]: 71/87 looper letters, 27 selfloop transitions, 15 changer transitions 13/99 dead transitions. [2022-12-05 19:07:22,331 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 99 transitions, 347 flow [2022-12-05 19:07:22,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-05 19:07:22,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-05 19:07:22,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 787 transitions. [2022-12-05 19:07:22,356 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.695844385499558 [2022-12-05 19:07:22,357 INFO L175 Difference]: Start difference. First operand has 82 places, 74 transitions, 166 flow. Second operand 13 states and 787 transitions. [2022-12-05 19:07:22,358 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 99 transitions, 347 flow [2022-12-05 19:07:22,362 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 99 transitions, 321 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-12-05 19:07:22,369 INFO L231 Difference]: Finished difference. Result has 93 places, 82 transitions, 237 flow [2022-12-05 19:07:22,371 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=237, PETRI_PLACES=93, PETRI_TRANSITIONS=82} [2022-12-05 19:07:22,374 INFO L294 CegarLoopForPetriNet]: 82 programPoint places, 11 predicate places. [2022-12-05 19:07:22,374 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 82 transitions, 237 flow [2022-12-05 19:07:22,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 58.36363636363637) internal successors, (642), 11 states have internal predecessors, (642), 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) [2022-12-05 19:07:22,375 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 19:07:22,376 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 19:07:22,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 19:07:22,376 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-05 19:07:22,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 19:07:22,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1864249302, now seen corresponding path program 2 times [2022-12-05 19:07:22,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 19:07:22,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656194786] [2022-12-05 19:07:22,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 19:07:22,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 19:07:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 19:07:22,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 19:07:22,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 19:07:22,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656194786] [2022-12-05 19:07:22,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656194786] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 19:07:22,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 19:07:22,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-05 19:07:22,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634677904] [2022-12-05 19:07:22,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 19:07:22,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-05 19:07:22,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 19:07:22,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-05 19:07:22,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-12-05 19:07:22,960 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 87 [2022-12-05 19:07:22,961 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 82 transitions, 237 flow. Second operand has 11 states, 11 states have (on average 58.36363636363637) internal successors, (642), 11 states have internal predecessors, (642), 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) [2022-12-05 19:07:22,961 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 19:07:22,961 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 87 [2022-12-05 19:07:22,961 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 19:07:23,381 INFO L130 PetriNetUnfolder]: 61/256 cut-off events. [2022-12-05 19:07:23,382 INFO L131 PetriNetUnfolder]: For 95/95 co-relation queries the response was YES. [2022-12-05 19:07:23,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 558 conditions, 256 events. 61/256 cut-off events. For 95/95 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 999 event pairs, 1 based on Foata normal form. 1/256 useless extension candidates. Maximal degree in co-relation 545. Up to 71 conditions per place. [2022-12-05 19:07:23,388 INFO L137 encePairwiseOnDemand]: 75/87 looper letters, 41 selfloop transitions, 19 changer transitions 19/123 dead transitions. [2022-12-05 19:07:23,388 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 123 transitions, 550 flow [2022-12-05 19:07:23,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-05 19:07:23,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-05 19:07:23,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 794 transitions. [2022-12-05 19:07:23,392 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7020335985853228 [2022-12-05 19:07:23,392 INFO L175 Difference]: Start difference. First operand has 93 places, 82 transitions, 237 flow. Second operand 13 states and 794 transitions. [2022-12-05 19:07:23,392 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 123 transitions, 550 flow [2022-12-05 19:07:23,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 123 transitions, 536 flow, removed 5 selfloop flow, removed 4 redundant places. [2022-12-05 19:07:23,400 INFO L231 Difference]: Finished difference. Result has 99 places, 95 transitions, 361 flow [2022-12-05 19:07:23,400 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=227, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=361, PETRI_PLACES=99, PETRI_TRANSITIONS=95} [2022-12-05 19:07:23,401 INFO L294 CegarLoopForPetriNet]: 82 programPoint places, 17 predicate places. [2022-12-05 19:07:23,401 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 95 transitions, 361 flow [2022-12-05 19:07:23,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 58.36363636363637) internal successors, (642), 11 states have internal predecessors, (642), 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) [2022-12-05 19:07:23,402 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 19:07:23,402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 19:07:23,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 19:07:23,403 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-05 19:07:23,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 19:07:23,405 INFO L85 PathProgramCache]: Analyzing trace with hash 443810422, now seen corresponding path program 3 times [2022-12-05 19:07:23,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 19:07:23,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826900390] [2022-12-05 19:07:23,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 19:07:23,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 19:07:23,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 19:07:23,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 19:07:23,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 19:07:23,885 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826900390] [2022-12-05 19:07:23,885 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826900390] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 19:07:23,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 19:07:23,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-05 19:07:23,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090282164] [2022-12-05 19:07:23,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 19:07:23,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-05 19:07:23,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 19:07:23,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-05 19:07:23,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-12-05 19:07:23,888 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 87 [2022-12-05 19:07:23,889 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 95 transitions, 361 flow. Second operand has 11 states, 11 states have (on average 58.36363636363637) internal successors, (642), 11 states have internal predecessors, (642), 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) [2022-12-05 19:07:23,889 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 19:07:23,889 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 87 [2022-12-05 19:07:23,889 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 19:07:24,254 INFO L130 PetriNetUnfolder]: 53/262 cut-off events. [2022-12-05 19:07:24,254 INFO L131 PetriNetUnfolder]: For 204/212 co-relation queries the response was YES. [2022-12-05 19:07:24,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 669 conditions, 262 events. 53/262 cut-off events. For 204/212 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1119 event pairs, 6 based on Foata normal form. 4/263 useless extension candidates. Maximal degree in co-relation 652. Up to 49 conditions per place. [2022-12-05 19:07:24,256 INFO L137 encePairwiseOnDemand]: 75/87 looper letters, 24 selfloop transitions, 15 changer transitions 41/124 dead transitions. [2022-12-05 19:07:24,256 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 124 transitions, 660 flow [2022-12-05 19:07:24,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-05 19:07:24,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-05 19:07:24,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 792 transitions. [2022-12-05 19:07:24,259 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7002652519893899 [2022-12-05 19:07:24,259 INFO L175 Difference]: Start difference. First operand has 99 places, 95 transitions, 361 flow. Second operand 13 states and 792 transitions. [2022-12-05 19:07:24,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 124 transitions, 660 flow [2022-12-05 19:07:24,262 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 124 transitions, 607 flow, removed 20 selfloop flow, removed 6 redundant places. [2022-12-05 19:07:24,264 INFO L231 Difference]: Finished difference. Result has 107 places, 79 transitions, 290 flow [2022-12-05 19:07:24,264 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=290, PETRI_PLACES=107, PETRI_TRANSITIONS=79} [2022-12-05 19:07:24,265 INFO L294 CegarLoopForPetriNet]: 82 programPoint places, 25 predicate places. [2022-12-05 19:07:24,265 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 79 transitions, 290 flow [2022-12-05 19:07:24,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 58.36363636363637) internal successors, (642), 11 states have internal predecessors, (642), 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) [2022-12-05 19:07:24,266 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 19:07:24,266 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 19:07:24,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-05 19:07:24,266 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-05 19:07:24,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 19:07:24,267 INFO L85 PathProgramCache]: Analyzing trace with hash -191324216, now seen corresponding path program 4 times [2022-12-05 19:07:24,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 19:07:24,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472966527] [2022-12-05 19:07:24,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 19:07:24,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 19:07:24,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 19:07:24,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 19:07:24,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 19:07:24,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472966527] [2022-12-05 19:07:24,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472966527] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 19:07:24,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 19:07:24,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-05 19:07:24,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543770250] [2022-12-05 19:07:24,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 19:07:24,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-05 19:07:24,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 19:07:24,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-05 19:07:24,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-12-05 19:07:24,675 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 87 [2022-12-05 19:07:24,676 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 79 transitions, 290 flow. Second operand has 11 states, 11 states have (on average 58.36363636363637) internal successors, (642), 11 states have internal predecessors, (642), 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) [2022-12-05 19:07:24,676 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 19:07:24,676 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 87 [2022-12-05 19:07:24,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 19:07:24,946 INFO L130 PetriNetUnfolder]: 12/132 cut-off events. [2022-12-05 19:07:24,946 INFO L131 PetriNetUnfolder]: For 129/129 co-relation queries the response was YES. [2022-12-05 19:07:24,946 INFO L83 FinitePrefix]: Finished finitePrefix Result has 318 conditions, 132 events. 12/132 cut-off events. For 129/129 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 346 event pairs, 3 based on Foata normal form. 1/131 useless extension candidates. Maximal degree in co-relation 298. Up to 26 conditions per place. [2022-12-05 19:07:24,947 INFO L137 encePairwiseOnDemand]: 75/87 looper letters, 22 selfloop transitions, 6 changer transitions 19/91 dead transitions. [2022-12-05 19:07:24,947 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 114 places, 91 transitions, 421 flow [2022-12-05 19:07:24,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-05 19:07:24,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-05 19:07:24,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 774 transitions. [2022-12-05 19:07:24,949 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6843501326259946 [2022-12-05 19:07:24,950 INFO L175 Difference]: Start difference. First operand has 107 places, 79 transitions, 290 flow. Second operand 13 states and 774 transitions. [2022-12-05 19:07:24,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 114 places, 91 transitions, 421 flow [2022-12-05 19:07:24,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 91 transitions, 356 flow, removed 14 selfloop flow, removed 16 redundant places. [2022-12-05 19:07:24,953 INFO L231 Difference]: Finished difference. Result has 101 places, 72 transitions, 209 flow [2022-12-05 19:07:24,953 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=229, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=209, PETRI_PLACES=101, PETRI_TRANSITIONS=72} [2022-12-05 19:07:24,954 INFO L294 CegarLoopForPetriNet]: 82 programPoint places, 19 predicate places. [2022-12-05 19:07:24,954 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 72 transitions, 209 flow [2022-12-05 19:07:24,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 58.36363636363637) internal successors, (642), 11 states have internal predecessors, (642), 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) [2022-12-05 19:07:24,954 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 19:07:24,955 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-05 19:07:24,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-05 19:07:24,955 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-05 19:07:24,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 19:07:24,956 INFO L85 PathProgramCache]: Analyzing trace with hash 262837988, now seen corresponding path program 5 times [2022-12-05 19:07:24,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 19:07:24,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900876273] [2022-12-05 19:07:24,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 19:07:24,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 19:07:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 19:07:25,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 19:07:25,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 19:07:25,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900876273] [2022-12-05 19:07:25,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900876273] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 19:07:25,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 19:07:25,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-05 19:07:25,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705699867] [2022-12-05 19:07:25,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 19:07:25,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-05 19:07:25,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 19:07:25,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-05 19:07:25,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-12-05 19:07:25,341 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 87 [2022-12-05 19:07:25,341 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 72 transitions, 209 flow. Second operand has 11 states, 11 states have (on average 58.36363636363637) internal successors, (642), 11 states have internal predecessors, (642), 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) [2022-12-05 19:07:25,342 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 19:07:25,342 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 87 [2022-12-05 19:07:25,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 19:07:25,562 INFO L130 PetriNetUnfolder]: 4/83 cut-off events. [2022-12-05 19:07:25,562 INFO L131 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2022-12-05 19:07:25,562 INFO L83 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 83 events. 4/83 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 66 event pairs, 0 based on Foata normal form. 1/84 useless extension candidates. Maximal degree in co-relation 154. Up to 7 conditions per place. [2022-12-05 19:07:25,562 INFO L137 encePairwiseOnDemand]: 75/87 looper letters, 0 selfloop transitions, 0 changer transitions 72/72 dead transitions. [2022-12-05 19:07:25,562 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 72 transitions, 270 flow [2022-12-05 19:07:25,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-05 19:07:25,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-12-05 19:07:25,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 703 transitions. [2022-12-05 19:07:25,564 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6733716475095786 [2022-12-05 19:07:25,564 INFO L175 Difference]: Start difference. First operand has 101 places, 72 transitions, 209 flow. Second operand 12 states and 703 transitions. [2022-12-05 19:07:25,565 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 72 transitions, 270 flow [2022-12-05 19:07:25,565 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 72 transitions, 235 flow, removed 2 selfloop flow, removed 14 redundant places. [2022-12-05 19:07:25,566 INFO L231 Difference]: Finished difference. Result has 87 places, 0 transitions, 0 flow [2022-12-05 19:07:25,566 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=0, PETRI_PLACES=87, PETRI_TRANSITIONS=0} [2022-12-05 19:07:25,567 INFO L294 CegarLoopForPetriNet]: 82 programPoint places, 5 predicate places. [2022-12-05 19:07:25,567 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 0 transitions, 0 flow [2022-12-05 19:07:25,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 58.36363636363637) internal successors, (642), 11 states have internal predecessors, (642), 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) [2022-12-05 19:07:25,570 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-05 19:07:25,570 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-05 19:07:25,570 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-12-05 19:07:25,570 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2022-12-05 19:07:25,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-05 19:07:25,571 INFO L458 BasicCegarLoop]: Path program histogram: [5] [2022-12-05 19:07:25,573 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-05 19:07:25,573 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-05 19:07:25,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 07:07:25 BasicIcfg [2022-12-05 19:07:25,577 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-05 19:07:25,578 INFO L158 Benchmark]: Toolchain (without parser) took 6135.81ms. Allocated memory was 242.2MB in the beginning and 310.4MB in the end (delta: 68.2MB). Free memory was 219.5MB in the beginning and 114.6MB in the end (delta: 104.8MB). Peak memory consumption was 173.8MB. Max. memory is 8.0GB. [2022-12-05 19:07:25,578 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 242.2MB. Free memory is still 219.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 19:07:25,579 INFO L158 Benchmark]: CACSL2BoogieTranslator took 194.32ms. Allocated memory is still 242.2MB. Free memory was 219.5MB in the beginning and 208.1MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-12-05 19:07:25,579 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.43ms. Allocated memory is still 242.2MB. Free memory was 208.1MB in the beginning and 206.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-05 19:07:25,582 INFO L158 Benchmark]: Boogie Preprocessor took 36.51ms. Allocated memory is still 242.2MB. Free memory was 206.6MB in the beginning and 205.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-05 19:07:25,586 INFO L158 Benchmark]: RCFGBuilder took 403.48ms. Allocated memory is still 242.2MB. Free memory was 205.0MB in the beginning and 191.4MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-12-05 19:07:25,587 INFO L158 Benchmark]: TraceAbstraction took 5458.79ms. Allocated memory was 242.2MB in the beginning and 310.4MB in the end (delta: 68.2MB). Free memory was 190.9MB in the beginning and 114.6MB in the end (delta: 76.2MB). Peak memory consumption was 145.4MB. Max. memory is 8.0GB. [2022-12-05 19:07:25,590 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 242.2MB. Free memory is still 219.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 194.32ms. Allocated memory is still 242.2MB. Free memory was 219.5MB in the beginning and 208.1MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.43ms. Allocated memory is still 242.2MB. Free memory was 208.1MB in the beginning and 206.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.51ms. Allocated memory is still 242.2MB. Free memory was 206.6MB in the beginning and 205.5MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 403.48ms. Allocated memory is still 242.2MB. Free memory was 205.0MB in the beginning and 191.4MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 5458.79ms. Allocated memory was 242.2MB in the beginning and 310.4MB in the end (delta: 68.2MB). Free memory was 190.9MB in the beginning and 114.6MB in the end (delta: 76.2MB). Peak memory consumption was 145.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 104 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 232 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 232 mSDsluCounter, 264 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 207 mSDsCounter, 66 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1326 IncrementalHoareTripleChecker+Invalid, 1392 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 66 mSolverCounterUnsat, 57 mSDtfsCounter, 1326 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 101 GetRequests, 14 SyntacticMatches, 6 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=361occurred in iteration=2, InterpolantAutomatonStates: 64, 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: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 350 NumberOfCodeBlocks, 350 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 345 ConstructedInterpolants, 0 QuantifiedInterpolants, 5653 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-05 19:07:25,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...