/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 --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 16:38:53,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 16:38:53,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 16:38:53,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 16:38:53,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 16:38:53,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 16:38:53,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 16:38:53,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 16:38:53,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 16:38:53,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 16:38:53,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 16:38:53,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 16:38:53,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 16:38:53,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 16:38:53,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 16:38:53,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 16:38:53,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 16:38:53,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 16:38:53,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 16:38:53,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 16:38:53,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 16:38:53,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 16:38:53,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 16:38:53,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 16:38:53,575 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 16:38:53,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 16:38:53,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 16:38:53,577 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 16:38:53,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 16:38:53,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 16:38:53,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 16:38:53,579 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 16:38:53,580 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 16:38:53,581 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 16:38:53,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 16:38:53,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 16:38:53,582 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 16:38:53,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 16:38:53,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 16:38:53,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 16:38:53,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 16:38:53,615 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 [2022-12-06 16:38:53,644 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 16:38:53,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 16:38:53,645 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-06 16:38:53,645 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-06 16:38:53,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 16:38:53,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 16:38:53,646 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 16:38:53,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 16:38:53,646 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 16:38:53,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 16:38:53,646 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 16:38:53,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 16:38:53,647 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 16:38:53,647 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 16:38:53,647 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 16:38:53,647 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 16:38:53,647 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 16:38:53,647 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 16:38:53,648 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 16:38:53,648 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 16:38:53,648 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 16:38:53,648 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 16:38:53,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 16:38:53,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 16:38:53,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 16:38:53,649 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 16:38:53,649 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 16:38:53,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 16:38:53,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 16:38:53,649 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-06 16:38:53,649 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-06 16:38:53,649 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 16:38:54,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 16:38:54,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 16:38:54,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 16:38:54,127 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 16:38:54,128 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 16:38:54,129 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-12-06 16:38:55,212 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 16:38:55,549 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 16:38:55,550 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-12-06 16:38:55,576 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ab052f1a/92a325070c5542d785231a7c2e590455/FLAGac3799b19 [2022-12-06 16:38:55,594 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ab052f1a/92a325070c5542d785231a7c2e590455 [2022-12-06 16:38:55,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 16:38:55,598 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 16:38:55,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 16:38:55,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 16:38:55,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 16:38:55,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:38:55" (1/1) ... [2022-12-06 16:38:55,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6473110a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:55, skipping insertion in model container [2022-12-06 16:38:55,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:38:55" (1/1) ... [2022-12-06 16:38:55,614 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 16:38:55,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 16:38:55,858 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-12-06 16:38:56,038 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:38:56,040 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:38:56,040 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:38:56,040 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:38:56,040 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:38:56,041 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:38:56,041 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:38:56,041 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:38:56,042 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:38:56,042 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:38:56,043 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:38:56,043 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:38:56,043 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:38:56,044 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:38:56,044 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:38:56,044 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:38:56,044 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:38:56,045 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:38:56,045 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:38:56,045 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:38:56,046 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:38:56,046 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:38:56,046 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:38:56,047 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:38:56,055 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:38:56,055 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:38:56,057 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:38:56,057 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:38:56,058 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:38:56,060 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:38:56,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 16:38:56,071 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 16:38:56,086 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i[975,988] [2022-12-06 16:38:56,114 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:38:56,115 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:38:56,117 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:38:56,117 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:38:56,117 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:38:56,117 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:38:56,117 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:38:56,118 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:38:56,118 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:38:56,118 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:38:56,119 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:38:56,119 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:38:56,119 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:38:56,119 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:38:56,120 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:38:56,120 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:38:56,121 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:38:56,121 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:38:56,121 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:38:56,122 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:38:56,122 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:38:56,122 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:38:56,122 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:38:56,123 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:38:56,128 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:38:56,129 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:38:56,130 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:38:56,130 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:38:56,130 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 16:38:56,132 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 16:38:56,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 16:38:56,178 INFO L208 MainTranslator]: Completed translation [2022-12-06 16:38:56,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:56 WrapperNode [2022-12-06 16:38:56,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 16:38:56,180 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 16:38:56,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 16:38:56,180 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 16:38:56,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:56" (1/1) ... [2022-12-06 16:38:56,220 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:56" (1/1) ... [2022-12-06 16:38:56,244 INFO L138 Inliner]: procedures = 176, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2022-12-06 16:38:56,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 16:38:56,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 16:38:56,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 16:38:56,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 16:38:56,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:56" (1/1) ... [2022-12-06 16:38:56,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:56" (1/1) ... [2022-12-06 16:38:56,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:56" (1/1) ... [2022-12-06 16:38:56,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:56" (1/1) ... [2022-12-06 16:38:56,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:56" (1/1) ... [2022-12-06 16:38:56,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:56" (1/1) ... [2022-12-06 16:38:56,276 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:56" (1/1) ... [2022-12-06 16:38:56,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:56" (1/1) ... [2022-12-06 16:38:56,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 16:38:56,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 16:38:56,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 16:38:56,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 16:38:56,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:56" (1/1) ... [2022-12-06 16:38:56,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 16:38:56,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 16:38:56,356 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 16:38:56,370 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 16:38:56,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 16:38:56,413 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 16:38:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 16:38:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 16:38:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 16:38:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-06 16:38:56,414 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-06 16:38:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-06 16:38:56,414 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-06 16:38:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-06 16:38:56,414 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-06 16:38:56,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 16:38:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 16:38:56,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 16:38:56,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 16:38:56,417 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 16:38:56,588 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 16:38:56,601 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 16:38:56,755 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 16:38:56,760 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 16:38:56,760 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 16:38:56,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:38:56 BoogieIcfgContainer [2022-12-06 16:38:56,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 16:38:56,763 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 16:38:56,763 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 16:38:56,765 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 16:38:56,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 04:38:55" (1/3) ... [2022-12-06 16:38:56,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61f038ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:38:56, skipping insertion in model container [2022-12-06 16:38:56,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:38:56" (2/3) ... [2022-12-06 16:38:56,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61f038ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:38:56, skipping insertion in model container [2022-12-06 16:38:56,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:38:56" (3/3) ... [2022-12-06 16:38:56,769 INFO L112 eAbstractionObserver]: Analyzing ICFG safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-12-06 16:38:56,784 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 16:38:56,784 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 16:38:56,784 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 16:38:56,832 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-06 16:38:56,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 91 places, 83 transitions, 181 flow [2022-12-06 16:38:56,885 INFO L130 PetriNetUnfolder]: 2/80 cut-off events. [2022-12-06 16:38:56,886 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 16:38:56,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 80 events. 2/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 43 event pairs, 0 based on Foata normal form. 0/77 useless extension candidates. Maximal degree in co-relation 63. Up to 2 conditions per place. [2022-12-06 16:38:56,890 INFO L82 GeneralOperation]: Start removeDead. Operand has 91 places, 83 transitions, 181 flow [2022-12-06 16:38:56,892 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 68 transitions, 145 flow [2022-12-06 16:38:56,900 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 16:38:56,905 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;@620f551d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 16:38:56,905 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-06 16:38:56,919 INFO L130 PetriNetUnfolder]: 1/67 cut-off events. [2022-12-06 16:38:56,919 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 16:38:56,919 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:38:56,920 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] [2022-12-06 16:38:56,920 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)] === [2022-12-06 16:38:56,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:38:56,923 INFO L85 PathProgramCache]: Analyzing trace with hash 278817250, now seen corresponding path program 1 times [2022-12-06 16:38:56,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:38:56,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222494138] [2022-12-06 16:38:56,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:38:56,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:38:57,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:38:57,538 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 16:38:57,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:38:57,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222494138] [2022-12-06 16:38:57,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222494138] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:38:57,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:38:57,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-06 16:38:57,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316333806] [2022-12-06 16:38:57,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:38:57,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-06 16:38:57,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:38:57,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-06 16:38:57,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-06 16:38:57,584 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 83 [2022-12-06 16:38:57,586 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 68 transitions, 145 flow. Second operand has 7 states, 7 states have (on average 64.71428571428571) internal successors, (453), 7 states have internal predecessors, (453), 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 16:38:57,586 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:38:57,586 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 83 [2022-12-06 16:38:57,587 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:38:57,877 INFO L130 PetriNetUnfolder]: 91/317 cut-off events. [2022-12-06 16:38:57,877 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-12-06 16:38:57,879 INFO L83 FinitePrefix]: Finished finitePrefix Result has 532 conditions, 317 events. 91/317 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1409 event pairs, 14 based on Foata normal form. 14/318 useless extension candidates. Maximal degree in co-relation 499. Up to 60 conditions per place. [2022-12-06 16:38:57,881 INFO L137 encePairwiseOnDemand]: 73/83 looper letters, 19 selfloop transitions, 5 changer transitions 35/110 dead transitions. [2022-12-06 16:38:57,881 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 110 transitions, 347 flow [2022-12-06 16:38:57,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-06 16:38:57,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-06 16:38:57,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 884 transitions. [2022-12-06 16:38:57,894 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8192771084337349 [2022-12-06 16:38:57,896 INFO L294 CegarLoopForPetriNet]: 77 programPoint places, 12 predicate places. [2022-12-06 16:38:57,897 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 110 transitions, 347 flow [2022-12-06 16:38:57,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 64.71428571428571) internal successors, (453), 7 states have internal predecessors, (453), 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 16:38:57,897 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:38:57,897 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] [2022-12-06 16:38:57,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 16:38:57,898 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)] === [2022-12-06 16:38:57,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:38:57,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1427880067, now seen corresponding path program 1 times [2022-12-06 16:38:57,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:38:57,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624095260] [2022-12-06 16:38:57,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:38:57,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:38:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:38:58,065 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 16:38:58,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:38:58,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624095260] [2022-12-06 16:38:58,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624095260] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:38:58,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:38:58,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-06 16:38:58,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720835537] [2022-12-06 16:38:58,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:38:58,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-06 16:38:58,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:38:58,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-06 16:38:58,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-06 16:38:58,068 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 83 [2022-12-06 16:38:58,069 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 110 transitions, 347 flow. Second operand has 7 states, 7 states have (on average 63.0) internal successors, (441), 7 states have internal predecessors, (441), 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 16:38:58,069 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:38:58,069 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 83 [2022-12-06 16:38:58,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:38:58,382 INFO L130 PetriNetUnfolder]: 494/1305 cut-off events. [2022-12-06 16:38:58,382 INFO L131 PetriNetUnfolder]: For 124/405 co-relation queries the response was YES. [2022-12-06 16:38:58,388 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2882 conditions, 1305 events. 494/1305 cut-off events. For 124/405 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 9487 event pairs, 5 based on Foata normal form. 27/1313 useless extension candidates. Maximal degree in co-relation 2842. Up to 202 conditions per place. [2022-12-06 16:38:58,390 INFO L137 encePairwiseOnDemand]: 72/83 looper letters, 37 selfloop transitions, 18 changer transitions 236/340 dead transitions. [2022-12-06 16:38:58,390 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 340 transitions, 1847 flow [2022-12-06 16:38:58,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-06 16:38:58,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2022-12-06 16:38:58,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1153 transitions. [2022-12-06 16:38:58,393 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8171509567682494 [2022-12-06 16:38:58,394 INFO L294 CegarLoopForPetriNet]: 77 programPoint places, 28 predicate places. [2022-12-06 16:38:58,394 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 340 transitions, 1847 flow [2022-12-06 16:38:58,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 63.0) internal successors, (441), 7 states have internal predecessors, (441), 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 16:38:58,394 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:38:58,394 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] [2022-12-06 16:38:58,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 16:38:58,394 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)] === [2022-12-06 16:38:58,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:38:58,395 INFO L85 PathProgramCache]: Analyzing trace with hash -464342396, now seen corresponding path program 1 times [2022-12-06 16:38:58,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:38:58,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943316218] [2022-12-06 16:38:58,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:38:58,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:38:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:38:58,563 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 16:38:58,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:38:58,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943316218] [2022-12-06 16:38:58,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943316218] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:38:58,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:38:58,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-06 16:38:58,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469177960] [2022-12-06 16:38:58,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:38:58,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-06 16:38:58,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:38:58,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-06 16:38:58,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-12-06 16:38:58,566 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 83 [2022-12-06 16:38:58,567 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 340 transitions, 1847 flow. Second operand has 8 states, 8 states have (on average 62.875) internal successors, (503), 8 states have internal predecessors, (503), 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 16:38:58,567 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:38:58,567 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 83 [2022-12-06 16:38:58,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:38:58,943 INFO L130 PetriNetUnfolder]: 524/1440 cut-off events. [2022-12-06 16:38:58,944 INFO L131 PetriNetUnfolder]: For 303/2152 co-relation queries the response was YES. [2022-12-06 16:38:58,947 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4182 conditions, 1440 events. 524/1440 cut-off events. For 303/2152 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 11149 event pairs, 11 based on Foata normal form. 76/1496 useless extension candidates. Maximal degree in co-relation 4135. Up to 227 conditions per place. [2022-12-06 16:38:58,949 INFO L137 encePairwiseOnDemand]: 72/83 looper letters, 25 selfloop transitions, 9 changer transitions 321/404 dead transitions. [2022-12-06 16:38:58,950 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 404 transitions, 2929 flow [2022-12-06 16:38:58,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-06 16:38:58,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2022-12-06 16:38:58,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 1128 transitions. [2022-12-06 16:38:58,952 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7994330262225372 [2022-12-06 16:38:58,952 INFO L294 CegarLoopForPetriNet]: 77 programPoint places, 44 predicate places. [2022-12-06 16:38:58,953 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 404 transitions, 2929 flow [2022-12-06 16:38:58,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 62.875) internal successors, (503), 8 states have internal predecessors, (503), 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 16:38:58,953 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:38:58,953 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] [2022-12-06 16:38:58,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 16:38:58,953 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)] === [2022-12-06 16:38:58,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:38:58,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1449170274, now seen corresponding path program 1 times [2022-12-06 16:38:58,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:38:58,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938268446] [2022-12-06 16:38:58,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:38:58,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:38:58,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:38:59,068 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 16:38:59,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:38:59,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938268446] [2022-12-06 16:38:59,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938268446] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:38:59,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:38:59,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-06 16:38:59,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395050319] [2022-12-06 16:38:59,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:38:59,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-06 16:38:59,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:38:59,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-06 16:38:59,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-06 16:38:59,070 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 63 out of 83 [2022-12-06 16:38:59,071 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 404 transitions, 2929 flow. Second operand has 7 states, 7 states have (on average 64.85714285714286) internal successors, (454), 7 states have internal predecessors, (454), 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 16:38:59,071 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:38:59,071 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 63 of 83 [2022-12-06 16:38:59,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:38:59,362 INFO L130 PetriNetUnfolder]: 559/1545 cut-off events. [2022-12-06 16:38:59,362 INFO L131 PetriNetUnfolder]: For 652/5794 co-relation queries the response was YES. [2022-12-06 16:38:59,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5407 conditions, 1545 events. 559/1545 cut-off events. For 652/5794 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 12521 event pairs, 5 based on Foata normal form. 35/1557 useless extension candidates. Maximal degree in co-relation 5354. Up to 271 conditions per place. [2022-12-06 16:38:59,368 INFO L137 encePairwiseOnDemand]: 74/83 looper letters, 23 selfloop transitions, 9 changer transitions 407/491 dead transitions. [2022-12-06 16:38:59,368 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 491 transitions, 4479 flow [2022-12-06 16:38:59,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-06 16:38:59,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-06 16:38:59,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 883 transitions. [2022-12-06 16:38:59,370 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8183503243744208 [2022-12-06 16:38:59,370 INFO L294 CegarLoopForPetriNet]: 77 programPoint places, 56 predicate places. [2022-12-06 16:38:59,371 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 491 transitions, 4479 flow [2022-12-06 16:38:59,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 64.85714285714286) internal successors, (454), 7 states have internal predecessors, (454), 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 16:38:59,371 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:38:59,371 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] [2022-12-06 16:38:59,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 16:38:59,371 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)] === [2022-12-06 16:38:59,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:38:59,372 INFO L85 PathProgramCache]: Analyzing trace with hash -563965533, now seen corresponding path program 1 times [2022-12-06 16:38:59,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:38:59,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072393915] [2022-12-06 16:38:59,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:38:59,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:38:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:38:59,513 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 16:38:59,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:38:59,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072393915] [2022-12-06 16:38:59,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072393915] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:38:59,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:38:59,514 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-06 16:38:59,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308228429] [2022-12-06 16:38:59,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:38:59,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 16:38:59,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:38:59,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 16:38:59,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-06 16:38:59,516 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 83 [2022-12-06 16:38:59,516 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 491 transitions, 4479 flow. Second operand has 6 states, 6 states have (on average 67.66666666666667) internal successors, (406), 6 states have internal predecessors, (406), 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 16:38:59,516 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:38:59,516 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 83 [2022-12-06 16:38:59,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:38:59,913 INFO L130 PetriNetUnfolder]: 1064/2900 cut-off events. [2022-12-06 16:38:59,913 INFO L131 PetriNetUnfolder]: For 895/1132 co-relation queries the response was YES. [2022-12-06 16:38:59,926 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8241 conditions, 2900 events. 1064/2900 cut-off events. For 895/1132 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 26208 event pairs, 31 based on Foata normal form. 29/2788 useless extension candidates. Maximal degree in co-relation 8184. Up to 625 conditions per place. [2022-12-06 16:38:59,934 INFO L137 encePairwiseOnDemand]: 73/83 looper letters, 35 selfloop transitions, 17 changer transitions 129/394 dead transitions. [2022-12-06 16:38:59,934 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 394 transitions, 3385 flow [2022-12-06 16:38:59,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-06 16:38:59,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-12-06 16:38:59,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 708 transitions. [2022-12-06 16:38:59,936 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8530120481927711 [2022-12-06 16:38:59,938 INFO L294 CegarLoopForPetriNet]: 77 programPoint places, 65 predicate places. [2022-12-06 16:38:59,938 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 394 transitions, 3385 flow [2022-12-06 16:38:59,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 67.66666666666667) internal successors, (406), 6 states have internal predecessors, (406), 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 16:38:59,939 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:38:59,939 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] [2022-12-06 16:38:59,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 16:38:59,939 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 1 more)] === [2022-12-06 16:38:59,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:38:59,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1782669639, now seen corresponding path program 1 times [2022-12-06 16:38:59,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:38:59,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803515575] [2022-12-06 16:38:59,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:38:59,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:38:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:39:00,053 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 16:39:00,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:39:00,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803515575] [2022-12-06 16:39:00,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803515575] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:39:00,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:39:00,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-06 16:39:00,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542077742] [2022-12-06 16:39:00,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:39:00,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-06 16:39:00,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:39:00,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-06 16:39:00,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-06 16:39:00,056 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 83 [2022-12-06 16:39:00,056 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 394 transitions, 3385 flow. Second operand has 7 states, 7 states have (on average 67.57142857142857) internal successors, (473), 7 states have internal predecessors, (473), 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 16:39:00,056 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:39:00,057 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 83 [2022-12-06 16:39:00,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:39:00,395 INFO L130 PetriNetUnfolder]: 700/1940 cut-off events. [2022-12-06 16:39:00,395 INFO L131 PetriNetUnfolder]: For 814/1414 co-relation queries the response was YES. [2022-12-06 16:39:00,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5626 conditions, 1940 events. 700/1940 cut-off events. For 814/1414 co-relation queries the response was YES. Maximal size of possible extension queue 249. Compared 16740 event pairs, 1 based on Foata normal form. 113/1918 useless extension candidates. Maximal degree in co-relation 5565. Up to 527 conditions per place. [2022-12-06 16:39:00,404 INFO L137 encePairwiseOnDemand]: 73/83 looper letters, 34 selfloop transitions, 36 changer transitions 132/268 dead transitions. [2022-12-06 16:39:00,404 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 268 transitions, 2076 flow [2022-12-06 16:39:00,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-06 16:39:00,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-06 16:39:00,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 921 transitions. [2022-12-06 16:39:00,407 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8535681186283596 [2022-12-06 16:39:00,410 INFO L294 CegarLoopForPetriNet]: 77 programPoint places, 71 predicate places. [2022-12-06 16:39:00,410 INFO L495 AbstractCegarLoop]: Abstraction has has 148 places, 268 transitions, 2076 flow [2022-12-06 16:39:00,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 67.57142857142857) internal successors, (473), 7 states have internal predecessors, (473), 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 16:39:00,410 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:39:00,411 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] [2022-12-06 16:39:00,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 16:39:00,411 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 1 more)] === [2022-12-06 16:39:00,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:39:00,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1088515704, now seen corresponding path program 1 times [2022-12-06 16:39:00,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:39:00,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762431058] [2022-12-06 16:39:00,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:39:00,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:39:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:39:00,549 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 16:39:00,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:39:00,550 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762431058] [2022-12-06 16:39:00,550 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762431058] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:39:00,550 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:39:00,550 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-06 16:39:00,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572901948] [2022-12-06 16:39:00,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:39:00,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-06 16:39:00,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:39:00,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-06 16:39:00,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-06 16:39:00,555 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 66 out of 83 [2022-12-06 16:39:00,556 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 268 transitions, 2076 flow. Second operand has 8 states, 8 states have (on average 67.5) internal successors, (540), 8 states have internal predecessors, (540), 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 16:39:00,556 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:39:00,556 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 66 of 83 [2022-12-06 16:39:00,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:39:00,961 INFO L130 PetriNetUnfolder]: 656/1706 cut-off events. [2022-12-06 16:39:00,961 INFO L131 PetriNetUnfolder]: For 1071/1777 co-relation queries the response was YES. [2022-12-06 16:39:00,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5949 conditions, 1706 events. 656/1706 cut-off events. For 1071/1777 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 14675 event pairs, 1 based on Foata normal form. 126/1708 useless extension candidates. Maximal degree in co-relation 5884. Up to 511 conditions per place. [2022-12-06 16:39:00,970 INFO L137 encePairwiseOnDemand]: 73/83 looper letters, 28 selfloop transitions, 40 changer transitions 86/214 dead transitions. [2022-12-06 16:39:00,970 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 214 transitions, 1712 flow [2022-12-06 16:39:00,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-06 16:39:00,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2022-12-06 16:39:00,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 1118 transitions. [2022-12-06 16:39:00,975 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.8418674698795181 [2022-12-06 16:39:00,975 INFO L294 CegarLoopForPetriNet]: 77 programPoint places, 65 predicate places. [2022-12-06 16:39:00,975 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 214 transitions, 1712 flow [2022-12-06 16:39:00,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 67.5) internal successors, (540), 8 states have internal predecessors, (540), 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 16:39:00,976 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 16:39:00,976 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] [2022-12-06 16:39:00,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-06 16:39:00,976 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 1 more)] === [2022-12-06 16:39:00,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 16:39:00,977 INFO L85 PathProgramCache]: Analyzing trace with hash 193935065, now seen corresponding path program 1 times [2022-12-06 16:39:00,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 16:39:00,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712621533] [2022-12-06 16:39:00,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 16:39:00,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 16:39:01,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 16:39:01,120 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 16:39:01,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 16:39:01,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712621533] [2022-12-06 16:39:01,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712621533] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 16:39:01,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 16:39:01,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-06 16:39:01,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874147596] [2022-12-06 16:39:01,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 16:39:01,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-06 16:39:01,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 16:39:01,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-06 16:39:01,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-06 16:39:01,122 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 83 [2022-12-06 16:39:01,123 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 214 transitions, 1712 flow. Second operand has 7 states, 7 states have (on average 63.57142857142857) internal successors, (445), 7 states have internal predecessors, (445), 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 16:39:01,123 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 16:39:01,123 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 83 [2022-12-06 16:39:01,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 16:39:01,397 INFO L130 PetriNetUnfolder]: 799/2112 cut-off events. [2022-12-06 16:39:01,397 INFO L131 PetriNetUnfolder]: For 1478/1982 co-relation queries the response was YES. [2022-12-06 16:39:01,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7461 conditions, 2112 events. 799/2112 cut-off events. For 1478/1982 co-relation queries the response was YES. Maximal size of possible extension queue 316. Compared 19173 event pairs, 2 based on Foata normal form. 15/1999 useless extension candidates. Maximal degree in co-relation 7389. Up to 626 conditions per place. [2022-12-06 16:39:01,410 INFO L137 encePairwiseOnDemand]: 73/83 looper letters, 0 selfloop transitions, 0 changer transitions 223/223 dead transitions. [2022-12-06 16:39:01,411 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 223 transitions, 1985 flow [2022-12-06 16:39:01,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-06 16:39:01,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-06 16:39:01,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 526 transitions. [2022-12-06 16:39:01,413 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.7921686746987951 [2022-12-06 16:39:01,413 INFO L294 CegarLoopForPetriNet]: 77 programPoint places, 70 predicate places. [2022-12-06 16:39:01,413 INFO L495 AbstractCegarLoop]: Abstraction has has 147 places, 223 transitions, 1985 flow [2022-12-06 16:39:01,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 63.57142857142857) internal successors, (445), 7 states have internal predecessors, (445), 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 16:39:01,416 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-06 16:39:01,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-06 16:39:01,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-12-06 16:39:01,417 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2022-12-06 16:39:01,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-06 16:39:01,418 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 16:39:01,421 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 16:39:01,421 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 16:39:01,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 04:39:01 BasicIcfg [2022-12-06 16:39:01,426 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 16:39:01,426 INFO L158 Benchmark]: Toolchain (without parser) took 5828.29ms. Allocated memory was 204.5MB in the beginning and 303.0MB in the end (delta: 98.6MB). Free memory was 178.1MB in the beginning and 82.3MB in the end (delta: 95.8MB). Peak memory consumption was 195.3MB. Max. memory is 8.0GB. [2022-12-06 16:39:01,427 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 204.5MB. Free memory is still 180.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 16:39:01,427 INFO L158 Benchmark]: CACSL2BoogieTranslator took 576.42ms. Allocated memory is still 204.5MB. Free memory was 177.7MB in the beginning and 154.6MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2022-12-06 16:39:01,427 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.13ms. Allocated memory is still 204.5MB. Free memory was 154.6MB in the beginning and 152.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 16:39:01,428 INFO L158 Benchmark]: Boogie Preprocessor took 47.56ms. Allocated memory is still 204.5MB. Free memory was 152.5MB in the beginning and 151.3MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 16:39:01,428 INFO L158 Benchmark]: RCFGBuilder took 467.31ms. Allocated memory is still 204.5MB. Free memory was 151.3MB in the beginning and 178.2MB in the end (delta: -26.9MB). Peak memory consumption was 16.1MB. Max. memory is 8.0GB. [2022-12-06 16:39:01,428 INFO L158 Benchmark]: TraceAbstraction took 4662.98ms. Allocated memory was 204.5MB in the beginning and 303.0MB in the end (delta: 98.6MB). Free memory was 177.2MB in the beginning and 82.3MB in the end (delta: 94.8MB). Peak memory consumption was 193.9MB. Max. memory is 8.0GB. [2022-12-06 16:39:01,430 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 204.5MB. Free memory is still 180.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 576.42ms. Allocated memory is still 204.5MB. Free memory was 177.7MB in the beginning and 154.6MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 65.13ms. Allocated memory is still 204.5MB. Free memory was 154.6MB in the beginning and 152.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 47.56ms. Allocated memory is still 204.5MB. Free memory was 152.5MB in the beginning and 151.3MB in the end (delta: 1.2MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 467.31ms. Allocated memory is still 204.5MB. Free memory was 151.3MB in the beginning and 178.2MB in the end (delta: -26.9MB). Peak memory consumption was 16.1MB. Max. memory is 8.0GB. * TraceAbstraction took 4662.98ms. Allocated memory was 204.5MB in the beginning and 303.0MB in the end (delta: 98.6MB). Free memory was 177.2MB in the beginning and 82.3MB in the end (delta: 94.8MB). Peak memory consumption was 193.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 18]: 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, 105 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: 4.6s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 496 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 496 mSDsluCounter, 554 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 437 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 612 IncrementalHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 117 mSDtfsCounter, 612 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4479occurred in iteration=4, InterpolantAutomatonStates: 107, 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, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 435 NumberOfCodeBlocks, 435 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 427 ConstructedInterpolants, 0 QuantifiedInterpolants, 1723 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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! [2022-12-06 16:39:01,469 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...