/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/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-11 21:14:14,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-11 21:14:14,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-11 21:14:15,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-11 21:14:15,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-11 21:14:15,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-11 21:14:15,033 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-11 21:14:15,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-11 21:14:15,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-11 21:14:15,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-11 21:14:15,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-11 21:14:15,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-11 21:14:15,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-11 21:14:15,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-11 21:14:15,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-11 21:14:15,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-11 21:14:15,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-11 21:14:15,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-11 21:14:15,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-11 21:14:15,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-11 21:14:15,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-11 21:14:15,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-11 21:14:15,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-11 21:14:15,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-11 21:14:15,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-11 21:14:15,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-11 21:14:15,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-11 21:14:15,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-11 21:14:15,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-11 21:14:15,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-11 21:14:15,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-11 21:14:15,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-11 21:14:15,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-11 21:14:15,075 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-11 21:14:15,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-11 21:14:15,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-11 21:14:15,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-11 21:14:15,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-11 21:14:15,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-11 21:14:15,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-11 21:14:15,077 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-11 21:14:15,078 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 [2022-12-11 21:14:15,104 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-11 21:14:15,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-11 21:14:15,105 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-11 21:14:15,105 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-11 21:14:15,105 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-11 21:14:15,106 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-11 21:14:15,106 INFO L138 SettingsManager]: * Use SBE=true [2022-12-11 21:14:15,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-11 21:14:15,106 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-11 21:14:15,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-11 21:14:15,107 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-11 21:14:15,107 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-11 21:14:15,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-11 21:14:15,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-11 21:14:15,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-11 21:14:15,108 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-11 21:14:15,108 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-11 21:14:15,108 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-11 21:14:15,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-11 21:14:15,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-11 21:14:15,108 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-11 21:14:15,108 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-11 21:14:15,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-11 21:14:15,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 21:14:15,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-11 21:14:15,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-11 21:14:15,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-11 21:14:15,109 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-11 21:14:15,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-11 21:14:15,109 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-11 21:14:15,109 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-11 21:14:15,109 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-11 21:14:15,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-11 21:14:15,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-11 21:14:15,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-11 21:14:15,394 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-11 21:14:15,394 INFO L275 PluginConnector]: CDTParser initialized [2022-12-11 21:14:15,395 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2022-12-11 21:14:16,197 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-11 21:14:16,436 INFO L351 CDTParser]: Found 1 translation units. [2022-12-11 21:14:16,437 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2022-12-11 21:14:16,448 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc38cc68f/599b03c116464bbca5af78e3c9019ad1/FLAG4c8bdf14a [2022-12-11 21:14:16,462 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc38cc68f/599b03c116464bbca5af78e3c9019ad1 [2022-12-11 21:14:16,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-11 21:14:16,467 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-11 21:14:16,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-11 21:14:16,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-11 21:14:16,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-11 21:14:16,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 09:14:16" (1/1) ... [2022-12-11 21:14:16,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@749f8444 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:16, skipping insertion in model container [2022-12-11 21:14:16,473 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 09:14:16" (1/1) ... [2022-12-11 21:14:16,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-11 21:14:16,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-11 21:14:16,617 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i[1105,1118] [2022-12-11 21:14:16,696 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 21:14:16,707 INFO L203 MainTranslator]: Completed pre-run [2022-12-11 21:14:16,717 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i[1105,1118] [2022-12-11 21:14:16,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 21:14:16,791 INFO L208 MainTranslator]: Completed translation [2022-12-11 21:14:16,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:16 WrapperNode [2022-12-11 21:14:16,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-11 21:14:16,793 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-11 21:14:16,793 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-11 21:14:16,793 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-11 21:14:16,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:16" (1/1) ... [2022-12-11 21:14:16,821 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:16" (1/1) ... [2022-12-11 21:14:16,841 INFO L138 Inliner]: procedures = 162, calls = 40, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2022-12-11 21:14:16,841 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-11 21:14:16,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-11 21:14:16,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-11 21:14:16,842 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-11 21:14:16,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:16" (1/1) ... [2022-12-11 21:14:16,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:16" (1/1) ... [2022-12-11 21:14:16,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:16" (1/1) ... [2022-12-11 21:14:16,854 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:16" (1/1) ... [2022-12-11 21:14:16,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:16" (1/1) ... [2022-12-11 21:14:16,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:16" (1/1) ... [2022-12-11 21:14:16,877 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:16" (1/1) ... [2022-12-11 21:14:16,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:16" (1/1) ... [2022-12-11 21:14:16,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-11 21:14:16,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-11 21:14:16,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-11 21:14:16,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-11 21:14:16,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:16" (1/1) ... [2022-12-11 21:14:16,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 21:14:16,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 21:14:16,908 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) [2022-12-11 21:14:16,915 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 [2022-12-11 21:14:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-11 21:14:16,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-11 21:14:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-11 21:14:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-11 21:14:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-11 21:14:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-11 21:14:16,938 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-11 21:14:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-11 21:14:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-11 21:14:16,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-11 21:14:16,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-11 21:14:16,940 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-11 21:14:17,071 INFO L236 CfgBuilder]: Building ICFG [2022-12-11 21:14:17,073 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-11 21:14:17,204 INFO L277 CfgBuilder]: Performing block encoding [2022-12-11 21:14:17,209 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-11 21:14:17,210 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-11 21:14:17,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 09:14:17 BoogieIcfgContainer [2022-12-11 21:14:17,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-11 21:14:17,213 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-11 21:14:17,213 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-11 21:14:17,215 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-11 21:14:17,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.12 09:14:16" (1/3) ... [2022-12-11 21:14:17,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d924560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 09:14:17, skipping insertion in model container [2022-12-11 21:14:17,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:14:16" (2/3) ... [2022-12-11 21:14:17,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d924560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 09:14:17, skipping insertion in model container [2022-12-11 21:14:17,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 09:14:17" (3/3) ... [2022-12-11 21:14:17,217 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_32-traces-mine-vs-oplus-vs-meet_true.i [2022-12-11 21:14:17,229 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-11 21:14:17,229 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-11 21:14:17,229 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-11 21:14:17,259 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-11 21:14:17,280 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 94 places, 92 transitions, 192 flow [2022-12-11 21:14:17,310 INFO L130 PetriNetUnfolder]: 2/91 cut-off events. [2022-12-11 21:14:17,310 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-11 21:14:17,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 91 events. 2/91 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2022-12-11 21:14:17,313 INFO L82 GeneralOperation]: Start removeDead. Operand has 94 places, 92 transitions, 192 flow [2022-12-11 21:14:17,316 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 81 places, 78 transitions, 159 flow [2022-12-11 21:14:17,322 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-11 21:14:17,326 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;@f91c8b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-11 21:14:17,326 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-11 21:14:17,338 INFO L130 PetriNetUnfolder]: 0/58 cut-off events. [2022-12-11 21:14:17,338 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-11 21:14:17,339 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:14:17,339 INFO L214 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] [2022-12-11 21:14:17,339 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 21:14:17,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:14:17,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1110970496, now seen corresponding path program 1 times [2022-12-11 21:14:17,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:14:17,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590428243] [2022-12-11 21:14:17,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:14:17,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:14:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:14:17,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:14:17,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:14:17,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590428243] [2022-12-11 21:14:17,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590428243] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:14:17,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:14:17,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-11 21:14:17,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218729063] [2022-12-11 21:14:17,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:14:17,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-11 21:14:17,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:14:17,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-11 21:14:17,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-11 21:14:17,819 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 73 out of 92 [2022-12-11 21:14:17,821 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 78 transitions, 159 flow. Second operand has 5 states, 5 states have (on average 74.2) internal successors, (371), 5 states have internal predecessors, (371), 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) [2022-12-11 21:14:17,821 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:14:17,822 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 73 of 92 [2022-12-11 21:14:17,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:14:17,911 INFO L130 PetriNetUnfolder]: 21/203 cut-off events. [2022-12-11 21:14:17,911 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-11 21:14:17,912 INFO L83 FinitePrefix]: Finished finitePrefix Result has 272 conditions, 203 events. 21/203 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 736 event pairs, 0 based on Foata normal form. 5/205 useless extension candidates. Maximal degree in co-relation 229. Up to 17 conditions per place. [2022-12-11 21:14:17,913 INFO L137 encePairwiseOnDemand]: 80/92 looper letters, 17 selfloop transitions, 13 changer transitions 9/102 dead transitions. [2022-12-11 21:14:17,913 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 102 transitions, 285 flow [2022-12-11 21:14:17,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-11 21:14:17,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-11 21:14:17,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 702 transitions. [2022-12-11 21:14:17,924 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8478260869565217 [2022-12-11 21:14:17,926 INFO L295 CegarLoopForPetriNet]: 81 programPoint places, 7 predicate places. [2022-12-11 21:14:17,927 INFO L82 GeneralOperation]: Start removeDead. Operand has 88 places, 102 transitions, 285 flow [2022-12-11 21:14:17,928 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 88 places, 93 transitions, 249 flow [2022-12-11 21:14:17,929 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 93 transitions, 249 flow [2022-12-11 21:14:17,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 74.2) internal successors, (371), 5 states have internal predecessors, (371), 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) [2022-12-11 21:14:17,929 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:14:17,929 INFO L214 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] [2022-12-11 21:14:17,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-11 21:14:17,930 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 21:14:17,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:14:17,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1551578372, now seen corresponding path program 1 times [2022-12-11 21:14:17,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:14:17,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907350465] [2022-12-11 21:14:17,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:14:17,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:14:17,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:14:18,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:14:18,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:14:18,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907350465] [2022-12-11 21:14:18,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907350465] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:14:18,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:14:18,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-11 21:14:18,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868140010] [2022-12-11 21:14:18,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:14:18,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-11 21:14:18,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:14:18,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-11 21:14:18,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-11 21:14:18,150 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 92 [2022-12-11 21:14:18,151 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 93 transitions, 249 flow. Second operand has 6 states, 6 states have (on average 61.0) internal successors, (366), 6 states have internal predecessors, (366), 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) [2022-12-11 21:14:18,152 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:14:18,152 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 92 [2022-12-11 21:14:18,152 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:14:18,275 INFO L130 PetriNetUnfolder]: 71/393 cut-off events. [2022-12-11 21:14:18,275 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-11 21:14:18,276 INFO L83 FinitePrefix]: Finished finitePrefix Result has 673 conditions, 393 events. 71/393 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1930 event pairs, 41 based on Foata normal form. 3/392 useless extension candidates. Maximal degree in co-relation 616. Up to 162 conditions per place. [2022-12-11 21:14:18,277 INFO L137 encePairwiseOnDemand]: 83/92 looper letters, 28 selfloop transitions, 8 changer transitions 3/101 dead transitions. [2022-12-11 21:14:18,278 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 101 transitions, 335 flow [2022-12-11 21:14:18,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-11 21:14:18,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-11 21:14:18,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 331 transitions. [2022-12-11 21:14:18,279 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7195652173913043 [2022-12-11 21:14:18,279 INFO L295 CegarLoopForPetriNet]: 81 programPoint places, 10 predicate places. [2022-12-11 21:14:18,280 INFO L82 GeneralOperation]: Start removeDead. Operand has 91 places, 101 transitions, 335 flow [2022-12-11 21:14:18,281 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 91 places, 98 transitions, 323 flow [2022-12-11 21:14:18,281 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 98 transitions, 323 flow [2022-12-11 21:14:18,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 61.0) internal successors, (366), 6 states have internal predecessors, (366), 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) [2022-12-11 21:14:18,281 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:14:18,282 INFO L214 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] [2022-12-11 21:14:18,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-11 21:14:18,282 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 21:14:18,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:14:18,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1646123864, now seen corresponding path program 1 times [2022-12-11 21:14:18,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:14:18,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037761546] [2022-12-11 21:14:18,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:14:18,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:14:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:14:18,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:14:18,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:14:18,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037761546] [2022-12-11 21:14:18,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037761546] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:14:18,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:14:18,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-11 21:14:18,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584844105] [2022-12-11 21:14:18,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:14:18,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-11 21:14:18,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:14:18,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-11 21:14:18,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-11 21:14:18,441 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 92 [2022-12-11 21:14:18,441 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 98 transitions, 323 flow. Second operand has 8 states, 8 states have (on average 55.125) internal successors, (441), 8 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) [2022-12-11 21:14:18,441 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:14:18,441 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 92 [2022-12-11 21:14:18,441 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:14:18,580 INFO L130 PetriNetUnfolder]: 32/240 cut-off events. [2022-12-11 21:14:18,581 INFO L131 PetriNetUnfolder]: For 47/51 co-relation queries the response was YES. [2022-12-11 21:14:18,581 INFO L83 FinitePrefix]: Finished finitePrefix Result has 525 conditions, 240 events. 32/240 cut-off events. For 47/51 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 868 event pairs, 10 based on Foata normal form. 15/254 useless extension candidates. Maximal degree in co-relation 448. Up to 90 conditions per place. [2022-12-11 21:14:18,582 INFO L137 encePairwiseOnDemand]: 82/92 looper letters, 27 selfloop transitions, 11 changer transitions 13/96 dead transitions. [2022-12-11 21:14:18,582 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 96 transitions, 407 flow [2022-12-11 21:14:18,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-11 21:14:18,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-11 21:14:18,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 354 transitions. [2022-12-11 21:14:18,583 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6413043478260869 [2022-12-11 21:14:18,584 INFO L295 CegarLoopForPetriNet]: 81 programPoint places, 15 predicate places. [2022-12-11 21:14:18,584 INFO L82 GeneralOperation]: Start removeDead. Operand has 96 places, 96 transitions, 407 flow [2022-12-11 21:14:18,585 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 87 places, 83 transitions, 345 flow [2022-12-11 21:14:18,585 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 83 transitions, 345 flow [2022-12-11 21:14:18,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 55.125) internal successors, (441), 8 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) [2022-12-11 21:14:18,585 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:14:18,586 INFO L214 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] [2022-12-11 21:14:18,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-11 21:14:18,586 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 21:14:18,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:14:18,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1796364368, now seen corresponding path program 2 times [2022-12-11 21:14:18,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:14:18,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72775759] [2022-12-11 21:14:18,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:14:18,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:14:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:14:18,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:14:18,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:14:18,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72775759] [2022-12-11 21:14:18,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72775759] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:14:18,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:14:18,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-11 21:14:18,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327011825] [2022-12-11 21:14:18,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:14:18,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-11 21:14:18,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:14:18,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-11 21:14:18,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-11 21:14:18,704 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 58 out of 92 [2022-12-11 21:14:18,704 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 83 transitions, 345 flow. Second operand has 6 states, 6 states have (on average 61.166666666666664) internal successors, (367), 6 states have internal predecessors, (367), 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) [2022-12-11 21:14:18,704 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:14:18,704 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 58 of 92 [2022-12-11 21:14:18,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:14:18,755 INFO L130 PetriNetUnfolder]: 12/126 cut-off events. [2022-12-11 21:14:18,755 INFO L131 PetriNetUnfolder]: For 76/76 co-relation queries the response was YES. [2022-12-11 21:14:18,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 330 conditions, 126 events. 12/126 cut-off events. For 76/76 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 242 event pairs, 2 based on Foata normal form. 1/127 useless extension candidates. Maximal degree in co-relation 239. Up to 37 conditions per place. [2022-12-11 21:14:18,756 INFO L137 encePairwiseOnDemand]: 87/92 looper letters, 27 selfloop transitions, 6 changer transitions 3/79 dead transitions. [2022-12-11 21:14:18,756 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 79 transitions, 407 flow [2022-12-11 21:14:18,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-11 21:14:18,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-11 21:14:18,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 319 transitions. [2022-12-11 21:14:18,757 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6934782608695652 [2022-12-11 21:14:18,758 INFO L295 CegarLoopForPetriNet]: 81 programPoint places, 8 predicate places. [2022-12-11 21:14:18,758 INFO L82 GeneralOperation]: Start removeDead. Operand has 89 places, 79 transitions, 407 flow [2022-12-11 21:14:18,759 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 89 places, 76 transitions, 387 flow [2022-12-11 21:14:18,759 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 76 transitions, 387 flow [2022-12-11 21:14:18,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 61.166666666666664) internal successors, (367), 6 states have internal predecessors, (367), 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) [2022-12-11 21:14:18,759 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:14:18,759 INFO L214 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] [2022-12-11 21:14:18,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-11 21:14:18,760 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 21:14:18,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:14:18,760 INFO L85 PathProgramCache]: Analyzing trace with hash 2048798712, now seen corresponding path program 1 times [2022-12-11 21:14:18,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:14:18,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724893218] [2022-12-11 21:14:18,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:14:18,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:14:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:14:18,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:14:18,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:14:18,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724893218] [2022-12-11 21:14:18,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724893218] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:14:18,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:14:18,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-11 21:14:18,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567193766] [2022-12-11 21:14:18,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:14:18,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-11 21:14:18,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:14:18,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-11 21:14:18,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-11 21:14:18,852 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 92 [2022-12-11 21:14:18,853 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 76 transitions, 387 flow. Second operand has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 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) [2022-12-11 21:14:18,853 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:14:18,853 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 92 [2022-12-11 21:14:18,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:14:18,903 INFO L130 PetriNetUnfolder]: 10/132 cut-off events. [2022-12-11 21:14:18,904 INFO L131 PetriNetUnfolder]: For 145/151 co-relation queries the response was YES. [2022-12-11 21:14:18,906 INFO L83 FinitePrefix]: Finished finitePrefix Result has 391 conditions, 132 events. 10/132 cut-off events. For 145/151 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 251 event pairs, 0 based on Foata normal form. 4/136 useless extension candidates. Maximal degree in co-relation 292. Up to 35 conditions per place. [2022-12-11 21:14:18,908 INFO L137 encePairwiseOnDemand]: 87/92 looper letters, 26 selfloop transitions, 13 changer transitions 0/88 dead transitions. [2022-12-11 21:14:18,908 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 88 transitions, 561 flow [2022-12-11 21:14:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-11 21:14:18,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-11 21:14:18,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 219 transitions. [2022-12-11 21:14:18,910 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7934782608695652 [2022-12-11 21:14:18,911 INFO L295 CegarLoopForPetriNet]: 81 programPoint places, 10 predicate places. [2022-12-11 21:14:18,911 INFO L82 GeneralOperation]: Start removeDead. Operand has 91 places, 88 transitions, 561 flow [2022-12-11 21:14:18,913 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 91 places, 88 transitions, 561 flow [2022-12-11 21:14:18,913 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 88 transitions, 561 flow [2022-12-11 21:14:18,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 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) [2022-12-11 21:14:18,913 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:14:18,914 INFO L214 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] [2022-12-11 21:14:18,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-11 21:14:18,914 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 21:14:18,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:14:18,914 INFO L85 PathProgramCache]: Analyzing trace with hash -308333194, now seen corresponding path program 2 times [2022-12-11 21:14:18,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:14:18,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099889803] [2022-12-11 21:14:18,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:14:18,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:14:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 21:14:19,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 21:14:19,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 21:14:19,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099889803] [2022-12-11 21:14:19,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099889803] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 21:14:19,183 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 21:14:19,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-11 21:14:19,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039484617] [2022-12-11 21:14:19,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 21:14:19,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-11 21:14:19,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 21:14:19,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-11 21:14:19,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-11 21:14:19,186 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 92 [2022-12-11 21:14:19,186 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 88 transitions, 561 flow. Second operand has 8 states, 8 states have (on average 55.625) internal successors, (445), 8 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) [2022-12-11 21:14:19,186 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 21:14:19,186 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 92 [2022-12-11 21:14:19,187 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 21:14:19,247 INFO L130 PetriNetUnfolder]: 6/98 cut-off events. [2022-12-11 21:14:19,247 INFO L131 PetriNetUnfolder]: For 192/192 co-relation queries the response was YES. [2022-12-11 21:14:19,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 342 conditions, 98 events. 6/98 cut-off events. For 192/192 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 137 event pairs, 0 based on Foata normal form. 6/104 useless extension candidates. Maximal degree in co-relation 223. Up to 26 conditions per place. [2022-12-11 21:14:19,249 INFO L137 encePairwiseOnDemand]: 87/92 looper letters, 0 selfloop transitions, 0 changer transitions 75/75 dead transitions. [2022-12-11 21:14:19,249 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 75 transitions, 559 flow [2022-12-11 21:14:19,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-11 21:14:19,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-11 21:14:19,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 345 transitions. [2022-12-11 21:14:19,250 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.625 [2022-12-11 21:14:19,253 INFO L295 CegarLoopForPetriNet]: 81 programPoint places, 7 predicate places. [2022-12-11 21:14:19,253 INFO L82 GeneralOperation]: Start removeDead. Operand has 88 places, 75 transitions, 559 flow [2022-12-11 21:14:19,253 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 0 places, 0 transitions, 0 flow [2022-12-11 21:14:19,254 INFO L495 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2022-12-11 21:14:19,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 55.625) internal successors, (445), 8 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) [2022-12-11 21:14:19,258 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-11 21:14:19,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-12-11 21:14:19,259 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-12-11 21:14:19,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-11 21:14:19,259 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1] [2022-12-11 21:14:19,262 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-11 21:14:19,262 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-11 21:14:19,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.12 09:14:19 BasicIcfg [2022-12-11 21:14:19,269 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-11 21:14:19,269 INFO L158 Benchmark]: Toolchain (without parser) took 2801.67ms. Allocated memory was 213.9MB in the beginning and 270.5MB in the end (delta: 56.6MB). Free memory was 187.6MB in the beginning and 213.8MB in the end (delta: -26.2MB). Peak memory consumption was 31.8MB. Max. memory is 8.0GB. [2022-12-11 21:14:19,270 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 213.9MB. Free memory is still 190.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-11 21:14:19,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.06ms. Allocated memory is still 213.9MB. Free memory was 187.4MB in the beginning and 168.0MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2022-12-11 21:14:19,275 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.53ms. Allocated memory is still 213.9MB. Free memory was 168.0MB in the beginning and 165.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-11 21:14:19,276 INFO L158 Benchmark]: Boogie Preprocessor took 36.75ms. Allocated memory is still 213.9MB. Free memory was 165.9MB in the beginning and 164.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-11 21:14:19,277 INFO L158 Benchmark]: RCFGBuilder took 331.76ms. Allocated memory is still 213.9MB. Free memory was 164.3MB in the beginning and 150.1MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-12-11 21:14:19,277 INFO L158 Benchmark]: TraceAbstraction took 2055.83ms. Allocated memory was 213.9MB in the beginning and 270.5MB in the end (delta: 56.6MB). Free memory was 149.1MB in the beginning and 213.8MB in the end (delta: -64.7MB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-11 21:14:19,278 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 213.9MB. Free memory is still 190.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 322.06ms. Allocated memory is still 213.9MB. Free memory was 187.4MB in the beginning and 168.0MB in the end (delta: 19.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.53ms. Allocated memory is still 213.9MB. Free memory was 168.0MB in the beginning and 165.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.75ms. Allocated memory is still 213.9MB. Free memory was 165.9MB in the beginning and 164.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 331.76ms. Allocated memory is still 213.9MB. Free memory was 164.3MB in the beginning and 150.1MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 2055.83ms. Allocated memory was 213.9MB in the beginning and 270.5MB in the end (delta: 56.6MB). Free memory was 149.1MB in the beginning and 213.8MB in the end (delta: -64.7MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: 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 3 procedures, 110 locations, 3 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: 2.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 203 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 203 mSDsluCounter, 73 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 96 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 315 IncrementalHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 96 mSolverCounterUnsat, 43 mSDtfsCounter, 315 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=561occurred in iteration=5, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 689 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 346 NumberOfCodeBlocks, 346 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 340 ConstructedInterpolants, 0 QuantifiedInterpolants, 1335 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-11 21:14:19,293 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...