./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/valid-memsafety.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe005_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe005_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 40c6d23f476fb49e658cd83073483dddc1740bbd5f458e601d84fe47899d7237 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 17:27:00,759 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 17:27:00,884 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-20 17:27:00,891 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 17:27:00,891 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 17:27:00,924 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 17:27:00,925 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 17:27:00,925 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 17:27:00,926 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 17:27:00,927 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 17:27:00,927 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 17:27:00,928 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 17:27:00,928 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 17:27:00,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 17:27:00,929 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 17:27:00,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 17:27:00,930 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 17:27:00,930 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 17:27:00,931 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 17:27:00,931 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 17:27:00,931 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-20 17:27:00,932 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-20 17:27:00,933 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-20 17:27:00,933 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 17:27:00,933 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 17:27:00,934 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 17:27:00,934 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 17:27:00,934 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 17:27:00,935 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 17:27:00,935 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 17:27:00,935 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 17:27:00,935 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 17:27:00,935 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 17:27:00,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 17:27:00,936 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 17:27:00,937 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 17:27:00,937 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 17:27:00,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 17:27:00,937 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 17:27:00,938 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 17:27:00,938 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 17:27:00,939 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 17:27:00,939 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40c6d23f476fb49e658cd83073483dddc1740bbd5f458e601d84fe47899d7237 [2024-11-20 17:27:01,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 17:27:01,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 17:27:01,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 17:27:01,245 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 17:27:01,246 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 17:27:01,247 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe005_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-11-20 17:27:02,684 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 17:27:02,958 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 17:27:02,962 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe005_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-11-20 17:27:02,988 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cfa4c479/5dd57149bd2c4bf1b0b5eb7a5d8c782f/FLAG9a9e9f216 [2024-11-20 17:27:03,254 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6cfa4c479/5dd57149bd2c4bf1b0b5eb7a5d8c782f [2024-11-20 17:27:03,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 17:27:03,257 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 17:27:03,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 17:27:03,258 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 17:27:03,262 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 17:27:03,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:27:03" (1/1) ... [2024-11-20 17:27:03,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f59d305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:03, skipping insertion in model container [2024-11-20 17:27:03,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:27:03" (1/1) ... [2024-11-20 17:27:03,311 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 17:27:03,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 17:27:03,809 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 17:27:03,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 17:27:03,907 INFO L204 MainTranslator]: Completed translation [2024-11-20 17:27:03,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:03 WrapperNode [2024-11-20 17:27:03,908 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 17:27:03,909 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 17:27:03,909 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 17:27:03,910 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 17:27:03,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:03" (1/1) ... [2024-11-20 17:27:03,940 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:03" (1/1) ... [2024-11-20 17:27:03,973 INFO L138 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 119 [2024-11-20 17:27:03,973 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 17:27:03,974 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 17:27:03,974 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 17:27:03,974 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 17:27:03,990 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:03" (1/1) ... [2024-11-20 17:27:03,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:03" (1/1) ... [2024-11-20 17:27:03,993 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:03" (1/1) ... [2024-11-20 17:27:04,009 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 17:27:04,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:03" (1/1) ... [2024-11-20 17:27:04,009 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:03" (1/1) ... [2024-11-20 17:27:04,019 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:03" (1/1) ... [2024-11-20 17:27:04,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:03" (1/1) ... [2024-11-20 17:27:04,023 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:03" (1/1) ... [2024-11-20 17:27:04,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:03" (1/1) ... [2024-11-20 17:27:04,028 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 17:27:04,028 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 17:27:04,029 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 17:27:04,029 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 17:27:04,030 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:03" (1/1) ... [2024-11-20 17:27:04,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 17:27:04,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:27:04,069 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 17:27:04,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 17:27:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-20 17:27:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 17:27:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-20 17:27:04,119 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-20 17:27:04,119 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-20 17:27:04,119 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-20 17:27:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-20 17:27:04,120 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-20 17:27:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 17:27:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-20 17:27:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 17:27:04,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 17:27:04,123 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 17:27:04,269 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 17:27:04,271 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 17:27:04,616 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 17:27:04,616 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 17:27:04,839 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 17:27:04,839 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 17:27:04,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:27:04 BoogieIcfgContainer [2024-11-20 17:27:04,839 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 17:27:04,842 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 17:27:04,842 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 17:27:04,848 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 17:27:04,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:27:03" (1/3) ... [2024-11-20 17:27:04,849 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c8342e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:27:04, skipping insertion in model container [2024-11-20 17:27:04,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:03" (2/3) ... [2024-11-20 17:27:04,849 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c8342e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:27:04, skipping insertion in model container [2024-11-20 17:27:04,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:27:04" (3/3) ... [2024-11-20 17:27:04,850 INFO L112 eAbstractionObserver]: Analyzing ICFG safe005_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-11-20 17:27:04,868 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 17:27:04,869 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-20 17:27:04,869 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 17:27:04,943 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-20 17:27:04,979 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 53 places, 45 transitions, 102 flow [2024-11-20 17:27:05,012 INFO L124 PetriNetUnfolderBase]: 2/42 cut-off events. [2024-11-20 17:27:05,013 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 17:27:05,016 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 42 events. 2/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 82 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 44. Up to 2 conditions per place. [2024-11-20 17:27:05,016 INFO L82 GeneralOperation]: Start removeDead. Operand has 53 places, 45 transitions, 102 flow [2024-11-20 17:27:05,019 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 42 transitions, 93 flow [2024-11-20 17:27:05,033 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 17:27:05,039 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@2c07ed8a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 17:27:05,040 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-20 17:27:05,047 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 17:27:05,047 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2024-11-20 17:27:05,048 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 17:27:05,048 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:27:05,049 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-20 17:27:05,050 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-20 17:27:05,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:27:05,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1558854706, now seen corresponding path program 1 times [2024-11-20 17:27:05,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:27:05,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083686873] [2024-11-20 17:27:05,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:27:05,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:27:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:27:05,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:27:05,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:27:05,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083686873] [2024-11-20 17:27:05,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083686873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:27:05,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:27:05,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-20 17:27:05,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213706845] [2024-11-20 17:27:05,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:27:05,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 17:27:05,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:27:05,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 17:27:05,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 17:27:05,666 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 45 [2024-11-20 17:27:05,669 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 42 transitions, 93 flow. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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) [2024-11-20 17:27:05,669 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:27:05,669 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 45 [2024-11-20 17:27:05,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:27:06,059 INFO L124 PetriNetUnfolderBase]: 603/1128 cut-off events. [2024-11-20 17:27:06,060 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-20 17:27:06,066 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2087 conditions, 1128 events. 603/1128 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 6958 event pairs, 192 based on Foata normal form. 72/1184 useless extension candidates. Maximal degree in co-relation 2076. Up to 742 conditions per place. [2024-11-20 17:27:06,076 INFO L140 encePairwiseOnDemand]: 40/45 looper letters, 29 selfloop transitions, 2 changer transitions 2/51 dead transitions. [2024-11-20 17:27:06,076 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 51 transitions, 180 flow [2024-11-20 17:27:06,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 17:27:06,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 17:27:06,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 101 transitions. [2024-11-20 17:27:06,090 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7481481481481481 [2024-11-20 17:27:06,092 INFO L175 Difference]: Start difference. First operand has 50 places, 42 transitions, 93 flow. Second operand 3 states and 101 transitions. [2024-11-20 17:27:06,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 51 transitions, 180 flow [2024-11-20 17:27:06,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 51 transitions, 176 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-20 17:27:06,100 INFO L231 Difference]: Finished difference. Result has 47 places, 37 transitions, 84 flow [2024-11-20 17:27:06,102 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=47, PETRI_TRANSITIONS=37} [2024-11-20 17:27:06,109 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, -3 predicate places. [2024-11-20 17:27:06,109 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 37 transitions, 84 flow [2024-11-20 17:27:06,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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) [2024-11-20 17:27:06,110 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:27:06,110 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:27:06,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 17:27:06,111 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-20 17:27:06,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:27:06,112 INFO L85 PathProgramCache]: Analyzing trace with hash -636466933, now seen corresponding path program 1 times [2024-11-20 17:27:06,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:27:06,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251730662] [2024-11-20 17:27:06,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:27:06,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:27:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:27:06,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:27:06,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:27:06,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251730662] [2024-11-20 17:27:06,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251730662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:27:06,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:27:06,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-20 17:27:06,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116539628] [2024-11-20 17:27:06,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:27:06,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 17:27:06,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:27:06,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 17:27:06,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 17:27:06,207 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 45 [2024-11-20 17:27:06,207 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 84 flow. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2024-11-20 17:27:06,208 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:27:06,208 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 45 [2024-11-20 17:27:06,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:27:06,421 INFO L124 PetriNetUnfolderBase]: 528/1053 cut-off events. [2024-11-20 17:27:06,421 INFO L125 PetriNetUnfolderBase]: For 69/69 co-relation queries the response was YES. [2024-11-20 17:27:06,424 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1969 conditions, 1053 events. 528/1053 cut-off events. For 69/69 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 6925 event pairs, 528 based on Foata normal form. 36/1043 useless extension candidates. Maximal degree in co-relation 1959. Up to 811 conditions per place. [2024-11-20 17:27:06,429 INFO L140 encePairwiseOnDemand]: 43/45 looper letters, 17 selfloop transitions, 1 changer transitions 1/36 dead transitions. [2024-11-20 17:27:06,429 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 36 transitions, 120 flow [2024-11-20 17:27:06,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 17:27:06,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 17:27:06,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 80 transitions. [2024-11-20 17:27:06,431 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5925925925925926 [2024-11-20 17:27:06,431 INFO L175 Difference]: Start difference. First operand has 47 places, 37 transitions, 84 flow. Second operand 3 states and 80 transitions. [2024-11-20 17:27:06,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 36 transitions, 120 flow [2024-11-20 17:27:06,432 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 36 transitions, 116 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 17:27:06,433 INFO L231 Difference]: Finished difference. Result has 45 places, 35 transitions, 78 flow [2024-11-20 17:27:06,433 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=78, PETRI_PLACES=45, PETRI_TRANSITIONS=35} [2024-11-20 17:27:06,436 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, -5 predicate places. [2024-11-20 17:27:06,436 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 35 transitions, 78 flow [2024-11-20 17:27:06,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 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) [2024-11-20 17:27:06,437 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:27:06,437 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:27:06,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 17:27:06,438 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-20 17:27:06,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:27:06,439 INFO L85 PathProgramCache]: Analyzing trace with hash -636466982, now seen corresponding path program 1 times [2024-11-20 17:27:06,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:27:06,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260580708] [2024-11-20 17:27:06,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:27:06,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:27:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:27:06,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:27:06,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:27:06,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260580708] [2024-11-20 17:27:06,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260580708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:27:06,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:27:06,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 17:27:06,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997195550] [2024-11-20 17:27:06,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:27:06,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 17:27:06,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:27:06,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 17:27:06,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 17:27:06,759 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 45 [2024-11-20 17:27:06,759 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 35 transitions, 78 flow. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 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) [2024-11-20 17:27:06,759 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:27:06,759 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 45 [2024-11-20 17:27:06,759 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:27:07,844 INFO L124 PetriNetUnfolderBase]: 3799/6545 cut-off events. [2024-11-20 17:27:07,846 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 17:27:07,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12242 conditions, 6545 events. 3799/6545 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 415. Compared 48418 event pairs, 855 based on Foata normal form. 0/6358 useless extension candidates. Maximal degree in co-relation 12236. Up to 1876 conditions per place. [2024-11-20 17:27:07,873 INFO L140 encePairwiseOnDemand]: 35/45 looper letters, 36 selfloop transitions, 6 changer transitions 69/122 dead transitions. [2024-11-20 17:27:07,874 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 122 transitions, 478 flow [2024-11-20 17:27:07,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 17:27:07,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-20 17:27:07,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 248 transitions. [2024-11-20 17:27:07,877 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6123456790123457 [2024-11-20 17:27:07,879 INFO L175 Difference]: Start difference. First operand has 45 places, 35 transitions, 78 flow. Second operand 9 states and 248 transitions. [2024-11-20 17:27:07,879 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 122 transitions, 478 flow [2024-11-20 17:27:07,880 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 122 transitions, 477 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 17:27:07,883 INFO L231 Difference]: Finished difference. Result has 59 places, 38 transitions, 149 flow [2024-11-20 17:27:07,884 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=77, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=149, PETRI_PLACES=59, PETRI_TRANSITIONS=38} [2024-11-20 17:27:07,885 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 9 predicate places. [2024-11-20 17:27:07,885 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 38 transitions, 149 flow [2024-11-20 17:27:07,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 states have internal predecessors, (87), 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) [2024-11-20 17:27:07,885 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:27:07,886 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:27:07,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 17:27:07,887 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-20 17:27:07,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:27:07,887 INFO L85 PathProgramCache]: Analyzing trace with hash -384916437, now seen corresponding path program 1 times [2024-11-20 17:27:07,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:27:07,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998015474] [2024-11-20 17:27:07,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:27:07,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:27:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:27:08,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:27:08,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:27:08,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998015474] [2024-11-20 17:27:08,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998015474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:27:08,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:27:08,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 17:27:08,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251065429] [2024-11-20 17:27:08,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:27:08,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:27:08,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:27:08,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:27:08,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 17:27:08,122 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 45 [2024-11-20 17:27:08,123 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 38 transitions, 149 flow. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 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) [2024-11-20 17:27:08,123 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:27:08,123 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 45 [2024-11-20 17:27:08,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:27:09,065 INFO L124 PetriNetUnfolderBase]: 2613/4607 cut-off events. [2024-11-20 17:27:09,066 INFO L125 PetriNetUnfolderBase]: For 5900/5912 co-relation queries the response was YES. [2024-11-20 17:27:09,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12767 conditions, 4607 events. 2613/4607 cut-off events. For 5900/5912 co-relation queries the response was YES. Maximal size of possible extension queue 275. Compared 32284 event pairs, 314 based on Foata normal form. 124/4691 useless extension candidates. Maximal degree in co-relation 12752. Up to 1526 conditions per place. [2024-11-20 17:27:09,092 INFO L140 encePairwiseOnDemand]: 36/45 looper letters, 40 selfloop transitions, 7 changer transitions 59/117 dead transitions. [2024-11-20 17:27:09,093 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 117 transitions, 681 flow [2024-11-20 17:27:09,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 17:27:09,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-20 17:27:09,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 252 transitions. [2024-11-20 17:27:09,096 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.56 [2024-11-20 17:27:09,096 INFO L175 Difference]: Start difference. First operand has 59 places, 38 transitions, 149 flow. Second operand 10 states and 252 transitions. [2024-11-20 17:27:09,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 117 transitions, 681 flow [2024-11-20 17:27:09,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 117 transitions, 611 flow, removed 14 selfloop flow, removed 4 redundant places. [2024-11-20 17:27:09,126 INFO L231 Difference]: Finished difference. Result has 66 places, 40 transitions, 187 flow [2024-11-20 17:27:09,127 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=187, PETRI_PLACES=66, PETRI_TRANSITIONS=40} [2024-11-20 17:27:09,128 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 16 predicate places. [2024-11-20 17:27:09,129 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 40 transitions, 187 flow [2024-11-20 17:27:09,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 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) [2024-11-20 17:27:09,129 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:27:09,129 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:27:09,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 17:27:09,130 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-20 17:27:09,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:27:09,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1355429972, now seen corresponding path program 1 times [2024-11-20 17:27:09,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:27:09,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202106241] [2024-11-20 17:27:09,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:27:09,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:27:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:27:09,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:27:09,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:27:09,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202106241] [2024-11-20 17:27:09,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202106241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:27:09,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:27:09,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 17:27:09,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319069100] [2024-11-20 17:27:09,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:27:09,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 17:27:09,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:27:09,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 17:27:09,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-20 17:27:09,322 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 45 [2024-11-20 17:27:09,323 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 40 transitions, 187 flow. Second operand has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 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) [2024-11-20 17:27:09,323 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:27:09,323 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 45 [2024-11-20 17:27:09,323 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:27:10,245 INFO L124 PetriNetUnfolderBase]: 3385/6012 cut-off events. [2024-11-20 17:27:10,245 INFO L125 PetriNetUnfolderBase]: For 11165/11174 co-relation queries the response was YES. [2024-11-20 17:27:10,261 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17161 conditions, 6012 events. 3385/6012 cut-off events. For 11165/11174 co-relation queries the response was YES. Maximal size of possible extension queue 369. Compared 45239 event pairs, 435 based on Foata normal form. 114/6074 useless extension candidates. Maximal degree in co-relation 17139. Up to 1923 conditions per place. [2024-11-20 17:27:10,277 INFO L140 encePairwiseOnDemand]: 36/45 looper letters, 47 selfloop transitions, 9 changer transitions 41/108 dead transitions. [2024-11-20 17:27:10,278 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 108 transitions, 701 flow [2024-11-20 17:27:10,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 17:27:10,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-20 17:27:10,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 190 transitions. [2024-11-20 17:27:10,279 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6031746031746031 [2024-11-20 17:27:10,279 INFO L175 Difference]: Start difference. First operand has 66 places, 40 transitions, 187 flow. Second operand 7 states and 190 transitions. [2024-11-20 17:27:10,280 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 108 transitions, 701 flow [2024-11-20 17:27:10,322 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 108 transitions, 667 flow, removed 15 selfloop flow, removed 5 redundant places. [2024-11-20 17:27:10,324 INFO L231 Difference]: Finished difference. Result has 65 places, 42 transitions, 221 flow [2024-11-20 17:27:10,324 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=172, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=221, PETRI_PLACES=65, PETRI_TRANSITIONS=42} [2024-11-20 17:27:10,324 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 15 predicate places. [2024-11-20 17:27:10,325 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 42 transitions, 221 flow [2024-11-20 17:27:10,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 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) [2024-11-20 17:27:10,325 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:27:10,325 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:27:10,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 17:27:10,326 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-20 17:27:10,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:27:10,326 INFO L85 PathProgramCache]: Analyzing trace with hash 707364055, now seen corresponding path program 1 times [2024-11-20 17:27:10,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:27:10,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388223289] [2024-11-20 17:27:10,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:27:10,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:27:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:27:10,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:27:10,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:27:10,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388223289] [2024-11-20 17:27:10,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388223289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:27:10,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:27:10,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 17:27:10,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953856132] [2024-11-20 17:27:10,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:27:10,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:27:10,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:27:10,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:27:10,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 17:27:10,576 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 45 [2024-11-20 17:27:10,577 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 42 transitions, 221 flow. Second operand has 6 states, 6 states have (on average 18.5) internal successors, (111), 6 states have internal predecessors, (111), 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) [2024-11-20 17:27:10,577 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:27:10,578 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 45 [2024-11-20 17:27:10,578 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:27:11,697 INFO L124 PetriNetUnfolderBase]: 3051/5836 cut-off events. [2024-11-20 17:27:11,698 INFO L125 PetriNetUnfolderBase]: For 7632/7687 co-relation queries the response was YES. [2024-11-20 17:27:11,715 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15274 conditions, 5836 events. 3051/5836 cut-off events. For 7632/7687 co-relation queries the response was YES. Maximal size of possible extension queue 407. Compared 48115 event pairs, 949 based on Foata normal form. 154/5876 useless extension candidates. Maximal degree in co-relation 15251. Up to 1362 conditions per place. [2024-11-20 17:27:11,731 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 39 selfloop transitions, 3 changer transitions 53/108 dead transitions. [2024-11-20 17:27:11,731 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 108 transitions, 645 flow [2024-11-20 17:27:11,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 17:27:11,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-20 17:27:11,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 235 transitions. [2024-11-20 17:27:11,733 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5802469135802469 [2024-11-20 17:27:11,733 INFO L175 Difference]: Start difference. First operand has 65 places, 42 transitions, 221 flow. Second operand 9 states and 235 transitions. [2024-11-20 17:27:11,733 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 108 transitions, 645 flow [2024-11-20 17:27:11,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 108 transitions, 584 flow, removed 18 selfloop flow, removed 7 redundant places. [2024-11-20 17:27:11,763 INFO L231 Difference]: Finished difference. Result has 70 places, 38 transitions, 168 flow [2024-11-20 17:27:11,763 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=184, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=168, PETRI_PLACES=70, PETRI_TRANSITIONS=38} [2024-11-20 17:27:11,764 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 20 predicate places. [2024-11-20 17:27:11,764 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 38 transitions, 168 flow [2024-11-20 17:27:11,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 6 states have internal predecessors, (111), 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) [2024-11-20 17:27:11,764 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:27:11,765 INFO L204 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] [2024-11-20 17:27:11,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 17:27:11,765 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-20 17:27:11,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:27:11,766 INFO L85 PathProgramCache]: Analyzing trace with hash 295069741, now seen corresponding path program 1 times [2024-11-20 17:27:11,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:27:11,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059096620] [2024-11-20 17:27:11,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:27:11,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:27:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:27:11,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:27:11,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:27:11,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059096620] [2024-11-20 17:27:11,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059096620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:27:11,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:27:11,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 17:27:11,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133220567] [2024-11-20 17:27:11,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:27:11,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:27:11,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:27:11,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:27:11,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 17:27:11,940 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 45 [2024-11-20 17:27:11,940 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 38 transitions, 168 flow. Second operand has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 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) [2024-11-20 17:27:11,940 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:27:11,940 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 45 [2024-11-20 17:27:11,941 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:27:12,487 INFO L124 PetriNetUnfolderBase]: 1672/3142 cut-off events. [2024-11-20 17:27:12,487 INFO L125 PetriNetUnfolderBase]: For 4411/4413 co-relation queries the response was YES. [2024-11-20 17:27:12,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8221 conditions, 3142 events. 1672/3142 cut-off events. For 4411/4413 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 22245 event pairs, 356 based on Foata normal form. 78/3198 useless extension candidates. Maximal degree in co-relation 8197. Up to 988 conditions per place. [2024-11-20 17:27:12,505 INFO L140 encePairwiseOnDemand]: 38/45 looper letters, 35 selfloop transitions, 5 changer transitions 40/91 dead transitions. [2024-11-20 17:27:12,505 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 91 transitions, 522 flow [2024-11-20 17:27:12,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 17:27:12,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-20 17:27:12,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 229 transitions. [2024-11-20 17:27:12,507 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5088888888888888 [2024-11-20 17:27:12,507 INFO L175 Difference]: Start difference. First operand has 70 places, 38 transitions, 168 flow. Second operand 10 states and 229 transitions. [2024-11-20 17:27:12,507 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 91 transitions, 522 flow [2024-11-20 17:27:12,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 91 transitions, 453 flow, removed 21 selfloop flow, removed 11 redundant places. [2024-11-20 17:27:12,523 INFO L231 Difference]: Finished difference. Result has 70 places, 39 transitions, 174 flow [2024-11-20 17:27:12,524 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=174, PETRI_PLACES=70, PETRI_TRANSITIONS=39} [2024-11-20 17:27:12,525 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 20 predicate places. [2024-11-20 17:27:12,525 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 39 transitions, 174 flow [2024-11-20 17:27:12,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 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) [2024-11-20 17:27:12,526 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:27:12,526 INFO L204 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] [2024-11-20 17:27:12,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 17:27:12,526 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-20 17:27:12,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:27:12,527 INFO L85 PathProgramCache]: Analyzing trace with hash -2052358014, now seen corresponding path program 1 times [2024-11-20 17:27:12,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:27:12,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552520145] [2024-11-20 17:27:12,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:27:12,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:27:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:27:12,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:27:12,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:27:12,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552520145] [2024-11-20 17:27:12,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552520145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:27:12,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:27:12,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 17:27:12,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449183775] [2024-11-20 17:27:12,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:27:12,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:27:12,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:27:12,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:27:12,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:27:12,682 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 45 [2024-11-20 17:27:12,682 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 39 transitions, 174 flow. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:27:12,683 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:27:12,683 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 45 [2024-11-20 17:27:12,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:27:13,161 INFO L124 PetriNetUnfolderBase]: 3057/5017 cut-off events. [2024-11-20 17:27:13,162 INFO L125 PetriNetUnfolderBase]: For 3734/3850 co-relation queries the response was YES. [2024-11-20 17:27:13,171 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12063 conditions, 5017 events. 3057/5017 cut-off events. For 3734/3850 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 33261 event pairs, 399 based on Foata normal form. 311/5220 useless extension candidates. Maximal degree in co-relation 12040. Up to 2641 conditions per place. [2024-11-20 17:27:13,187 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 38 selfloop transitions, 5 changer transitions 5/64 dead transitions. [2024-11-20 17:27:13,187 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 64 transitions, 350 flow [2024-11-20 17:27:13,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:27:13,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-20 17:27:13,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 115 transitions. [2024-11-20 17:27:13,189 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6388888888888888 [2024-11-20 17:27:13,189 INFO L175 Difference]: Start difference. First operand has 70 places, 39 transitions, 174 flow. Second operand 4 states and 115 transitions. [2024-11-20 17:27:13,189 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 64 transitions, 350 flow [2024-11-20 17:27:13,206 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 64 transitions, 324 flow, removed 8 selfloop flow, removed 10 redundant places. [2024-11-20 17:27:13,208 INFO L231 Difference]: Finished difference. Result has 59 places, 42 transitions, 184 flow [2024-11-20 17:27:13,208 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=184, PETRI_PLACES=59, PETRI_TRANSITIONS=42} [2024-11-20 17:27:13,210 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 9 predicate places. [2024-11-20 17:27:13,211 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 42 transitions, 184 flow [2024-11-20 17:27:13,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 17:27:13,212 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:27:13,212 INFO L204 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] [2024-11-20 17:27:13,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 17:27:13,213 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-20 17:27:13,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:27:13,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1092139185, now seen corresponding path program 1 times [2024-11-20 17:27:13,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:27:13,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906468024] [2024-11-20 17:27:13,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:27:13,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:27:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:27:13,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:27:13,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:27:13,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906468024] [2024-11-20 17:27:13,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906468024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:27:13,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:27:13,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 17:27:13,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135799034] [2024-11-20 17:27:13,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:27:13,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 17:27:13,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:27:13,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 17:27:13,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 17:27:13,401 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 45 [2024-11-20 17:27:13,402 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 42 transitions, 184 flow. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 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) [2024-11-20 17:27:13,402 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:27:13,402 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 45 [2024-11-20 17:27:13,402 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:27:13,816 INFO L124 PetriNetUnfolderBase]: 2176/3643 cut-off events. [2024-11-20 17:27:13,816 INFO L125 PetriNetUnfolderBase]: For 2411/2459 co-relation queries the response was YES. [2024-11-20 17:27:13,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9531 conditions, 3643 events. 2176/3643 cut-off events. For 2411/2459 co-relation queries the response was YES. Maximal size of possible extension queue 202. Compared 22173 event pairs, 164 based on Foata normal form. 256/3823 useless extension candidates. Maximal degree in co-relation 9514. Up to 1417 conditions per place. [2024-11-20 17:27:13,831 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 46 selfloop transitions, 8 changer transitions 6/76 dead transitions. [2024-11-20 17:27:13,831 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 76 transitions, 429 flow [2024-11-20 17:27:13,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 17:27:13,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-20 17:27:13,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 143 transitions. [2024-11-20 17:27:13,832 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6355555555555555 [2024-11-20 17:27:13,833 INFO L175 Difference]: Start difference. First operand has 59 places, 42 transitions, 184 flow. Second operand 5 states and 143 transitions. [2024-11-20 17:27:13,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 76 transitions, 429 flow [2024-11-20 17:27:13,835 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 76 transitions, 419 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-20 17:27:13,836 INFO L231 Difference]: Finished difference. Result has 63 places, 45 transitions, 224 flow [2024-11-20 17:27:13,837 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=224, PETRI_PLACES=63, PETRI_TRANSITIONS=45} [2024-11-20 17:27:13,837 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 13 predicate places. [2024-11-20 17:27:13,837 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 45 transitions, 224 flow [2024-11-20 17:27:13,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 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) [2024-11-20 17:27:13,838 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:27:13,838 INFO L204 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] [2024-11-20 17:27:13,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 17:27:13,838 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-20 17:27:13,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:27:13,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1460718790, now seen corresponding path program 1 times [2024-11-20 17:27:13,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:27:13,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772141880] [2024-11-20 17:27:13,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:27:13,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:27:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:27:14,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:27:14,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:27:14,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772141880] [2024-11-20 17:27:14,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772141880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:27:14,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:27:14,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 17:27:14,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580639652] [2024-11-20 17:27:14,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:27:14,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:27:14,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:27:14,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:27:14,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-20 17:27:14,052 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 45 [2024-11-20 17:27:14,052 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 45 transitions, 224 flow. Second operand has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 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) [2024-11-20 17:27:14,052 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:27:14,052 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 45 [2024-11-20 17:27:14,052 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:27:14,346 INFO L124 PetriNetUnfolderBase]: 1312/2195 cut-off events. [2024-11-20 17:27:14,346 INFO L125 PetriNetUnfolderBase]: For 2801/2825 co-relation queries the response was YES. [2024-11-20 17:27:14,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6389 conditions, 2195 events. 1312/2195 cut-off events. For 2801/2825 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 11700 event pairs, 118 based on Foata normal form. 146/2278 useless extension candidates. Maximal degree in co-relation 6370. Up to 800 conditions per place. [2024-11-20 17:27:14,353 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 40 selfloop transitions, 11 changer transitions 6/73 dead transitions. [2024-11-20 17:27:14,353 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 73 transitions, 428 flow [2024-11-20 17:27:14,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 17:27:14,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 17:27:14,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 158 transitions. [2024-11-20 17:27:14,354 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5851851851851851 [2024-11-20 17:27:14,354 INFO L175 Difference]: Start difference. First operand has 63 places, 45 transitions, 224 flow. Second operand 6 states and 158 transitions. [2024-11-20 17:27:14,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 73 transitions, 428 flow [2024-11-20 17:27:14,362 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 73 transitions, 382 flow, removed 13 selfloop flow, removed 7 redundant places. [2024-11-20 17:27:14,363 INFO L231 Difference]: Finished difference. Result has 63 places, 45 transitions, 225 flow [2024-11-20 17:27:14,363 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=189, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=225, PETRI_PLACES=63, PETRI_TRANSITIONS=45} [2024-11-20 17:27:14,364 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 13 predicate places. [2024-11-20 17:27:14,364 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 45 transitions, 225 flow [2024-11-20 17:27:14,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 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) [2024-11-20 17:27:14,364 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:27:14,364 INFO L204 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] [2024-11-20 17:27:14,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 17:27:14,365 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-20 17:27:14,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:27:14,365 INFO L85 PathProgramCache]: Analyzing trace with hash 89787934, now seen corresponding path program 1 times [2024-11-20 17:27:14,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:27:14,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045702143] [2024-11-20 17:27:14,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:27:14,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:27:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:27:14,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:27:14,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:27:14,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045702143] [2024-11-20 17:27:14,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045702143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:27:14,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:27:14,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 17:27:14,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263041124] [2024-11-20 17:27:14,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:27:14,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 17:27:14,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:27:14,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 17:27:14,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 17:27:14,623 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 45 [2024-11-20 17:27:14,623 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 45 transitions, 225 flow. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 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) [2024-11-20 17:27:14,623 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:27:14,623 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 45 [2024-11-20 17:27:14,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:27:14,902 INFO L124 PetriNetUnfolderBase]: 732/1411 cut-off events. [2024-11-20 17:27:14,903 INFO L125 PetriNetUnfolderBase]: For 1235/1264 co-relation queries the response was YES. [2024-11-20 17:27:14,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3729 conditions, 1411 events. 732/1411 cut-off events. For 1235/1264 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 8251 event pairs, 372 based on Foata normal form. 8/1302 useless extension candidates. Maximal degree in co-relation 3712. Up to 603 conditions per place. [2024-11-20 17:27:14,912 INFO L140 encePairwiseOnDemand]: 40/45 looper letters, 27 selfloop transitions, 3 changer transitions 14/64 dead transitions. [2024-11-20 17:27:14,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 64 transitions, 369 flow [2024-11-20 17:27:14,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 17:27:14,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-20 17:27:14,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 127 transitions. [2024-11-20 17:27:14,913 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5644444444444444 [2024-11-20 17:27:14,914 INFO L175 Difference]: Start difference. First operand has 63 places, 45 transitions, 225 flow. Second operand 5 states and 127 transitions. [2024-11-20 17:27:14,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 64 transitions, 369 flow [2024-11-20 17:27:14,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 64 transitions, 305 flow, removed 14 selfloop flow, removed 8 redundant places. [2024-11-20 17:27:14,920 INFO L231 Difference]: Finished difference. Result has 62 places, 43 transitions, 172 flow [2024-11-20 17:27:14,920 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=169, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=172, PETRI_PLACES=62, PETRI_TRANSITIONS=43} [2024-11-20 17:27:14,921 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 12 predicate places. [2024-11-20 17:27:14,921 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 43 transitions, 172 flow [2024-11-20 17:27:14,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 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) [2024-11-20 17:27:14,922 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:27:14,922 INFO L204 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] [2024-11-20 17:27:14,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 17:27:14,922 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-20 17:27:14,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:27:14,923 INFO L85 PathProgramCache]: Analyzing trace with hash 188688264, now seen corresponding path program 2 times [2024-11-20 17:27:14,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:27:14,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610252455] [2024-11-20 17:27:14,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:27:14,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:27:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:27:15,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:27:15,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:27:15,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610252455] [2024-11-20 17:27:15,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610252455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:27:15,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:27:15,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 17:27:15,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466780016] [2024-11-20 17:27:15,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:27:15,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 17:27:15,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:27:15,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 17:27:15,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-20 17:27:15,982 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 45 [2024-11-20 17:27:15,982 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 43 transitions, 172 flow. Second operand has 9 states, 9 states have (on average 17.22222222222222) internal successors, (155), 9 states have internal predecessors, (155), 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) [2024-11-20 17:27:15,983 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:27:15,983 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 45 [2024-11-20 17:27:15,983 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:27:16,412 INFO L124 PetriNetUnfolderBase]: 667/1323 cut-off events. [2024-11-20 17:27:16,413 INFO L125 PetriNetUnfolderBase]: For 736/740 co-relation queries the response was YES. [2024-11-20 17:27:16,416 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3090 conditions, 1323 events. 667/1323 cut-off events. For 736/740 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 7612 event pairs, 126 based on Foata normal form. 12/1273 useless extension candidates. Maximal degree in co-relation 3075. Up to 330 conditions per place. [2024-11-20 17:27:16,418 INFO L140 encePairwiseOnDemand]: 34/45 looper letters, 40 selfloop transitions, 16 changer transitions 22/95 dead transitions. [2024-11-20 17:27:16,418 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 95 transitions, 514 flow [2024-11-20 17:27:16,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 17:27:16,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-20 17:27:16,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 226 transitions. [2024-11-20 17:27:16,420 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5022222222222222 [2024-11-20 17:27:16,420 INFO L175 Difference]: Start difference. First operand has 62 places, 43 transitions, 172 flow. Second operand 10 states and 226 transitions. [2024-11-20 17:27:16,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 95 transitions, 514 flow [2024-11-20 17:27:16,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 95 transitions, 473 flow, removed 7 selfloop flow, removed 6 redundant places. [2024-11-20 17:27:16,423 INFO L231 Difference]: Finished difference. Result has 69 places, 53 transitions, 272 flow [2024-11-20 17:27:16,423 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=151, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=272, PETRI_PLACES=69, PETRI_TRANSITIONS=53} [2024-11-20 17:27:16,424 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 19 predicate places. [2024-11-20 17:27:16,424 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 53 transitions, 272 flow [2024-11-20 17:27:16,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.22222222222222) internal successors, (155), 9 states have internal predecessors, (155), 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) [2024-11-20 17:27:16,425 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:27:16,425 INFO L204 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] [2024-11-20 17:27:16,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 17:27:16,425 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-20 17:27:16,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:27:16,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1636063064, now seen corresponding path program 3 times [2024-11-20 17:27:16,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:27:16,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240602079] [2024-11-20 17:27:16,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:27:16,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:27:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:27:16,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:27:16,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:27:16,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240602079] [2024-11-20 17:27:16,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240602079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:27:16,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:27:16,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 17:27:16,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683518687] [2024-11-20 17:27:16,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:27:16,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:27:16,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:27:16,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:27:16,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 17:27:16,702 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 45 [2024-11-20 17:27:16,703 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 53 transitions, 272 flow. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 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) [2024-11-20 17:27:16,703 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:27:16,703 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 45 [2024-11-20 17:27:16,703 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:27:16,917 INFO L124 PetriNetUnfolderBase]: 455/959 cut-off events. [2024-11-20 17:27:16,918 INFO L125 PetriNetUnfolderBase]: For 1089/1105 co-relation queries the response was YES. [2024-11-20 17:27:16,921 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2415 conditions, 959 events. 455/959 cut-off events. For 1089/1105 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 5199 event pairs, 111 based on Foata normal form. 16/938 useless extension candidates. Maximal degree in co-relation 2398. Up to 351 conditions per place. [2024-11-20 17:27:16,923 INFO L140 encePairwiseOnDemand]: 40/45 looper letters, 30 selfloop transitions, 3 changer transitions 24/75 dead transitions. [2024-11-20 17:27:16,923 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 75 transitions, 455 flow [2024-11-20 17:27:16,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 17:27:16,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 17:27:16,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 142 transitions. [2024-11-20 17:27:16,924 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5259259259259259 [2024-11-20 17:27:16,924 INFO L175 Difference]: Start difference. First operand has 69 places, 53 transitions, 272 flow. Second operand 6 states and 142 transitions. [2024-11-20 17:27:16,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 75 transitions, 455 flow [2024-11-20 17:27:16,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 75 transitions, 429 flow, removed 10 selfloop flow, removed 4 redundant places. [2024-11-20 17:27:16,929 INFO L231 Difference]: Finished difference. Result has 71 places, 47 transitions, 203 flow [2024-11-20 17:27:16,929 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=255, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=53, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=203, PETRI_PLACES=71, PETRI_TRANSITIONS=47} [2024-11-20 17:27:16,930 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 21 predicate places. [2024-11-20 17:27:16,930 INFO L471 AbstractCegarLoop]: Abstraction has has 71 places, 47 transitions, 203 flow [2024-11-20 17:27:16,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 6 states have internal predecessors, (115), 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) [2024-11-20 17:27:16,931 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:27:16,931 INFO L204 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] [2024-11-20 17:27:16,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 17:27:16,931 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-20 17:27:16,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:27:16,932 INFO L85 PathProgramCache]: Analyzing trace with hash 2094100450, now seen corresponding path program 4 times [2024-11-20 17:27:16,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:27:16,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962696784] [2024-11-20 17:27:16,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:27:16,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:27:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:27:17,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:27:17,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:27:17,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962696784] [2024-11-20 17:27:17,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962696784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:27:17,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:27:17,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 17:27:17,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986211696] [2024-11-20 17:27:17,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:27:17,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-20 17:27:17,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:27:17,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-20 17:27:17,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-20 17:27:17,756 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 45 [2024-11-20 17:27:17,757 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 47 transitions, 203 flow. Second operand has 9 states, 9 states have (on average 20.77777777777778) internal successors, (187), 9 states have internal predecessors, (187), 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) [2024-11-20 17:27:17,757 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:27:17,757 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 45 [2024-11-20 17:27:17,757 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:27:18,056 INFO L124 PetriNetUnfolderBase]: 294/617 cut-off events. [2024-11-20 17:27:18,057 INFO L125 PetriNetUnfolderBase]: For 342/356 co-relation queries the response was YES. [2024-11-20 17:27:18,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1437 conditions, 617 events. 294/617 cut-off events. For 342/356 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2824 event pairs, 50 based on Foata normal form. 18/591 useless extension candidates. Maximal degree in co-relation 1420. Up to 194 conditions per place. [2024-11-20 17:27:18,060 INFO L140 encePairwiseOnDemand]: 37/45 looper letters, 25 selfloop transitions, 4 changer transitions 26/76 dead transitions. [2024-11-20 17:27:18,060 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 76 transitions, 379 flow [2024-11-20 17:27:18,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-20 17:27:18,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-20 17:27:18,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 221 transitions. [2024-11-20 17:27:18,062 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5456790123456791 [2024-11-20 17:27:18,062 INFO L175 Difference]: Start difference. First operand has 71 places, 47 transitions, 203 flow. Second operand 9 states and 221 transitions. [2024-11-20 17:27:18,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 76 transitions, 379 flow [2024-11-20 17:27:18,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 76 transitions, 342 flow, removed 7 selfloop flow, removed 9 redundant places. [2024-11-20 17:27:18,066 INFO L231 Difference]: Finished difference. Result has 70 places, 40 transitions, 141 flow [2024-11-20 17:27:18,067 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=141, PETRI_PLACES=70, PETRI_TRANSITIONS=40} [2024-11-20 17:27:18,067 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 20 predicate places. [2024-11-20 17:27:18,067 INFO L471 AbstractCegarLoop]: Abstraction has has 70 places, 40 transitions, 141 flow [2024-11-20 17:27:18,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 20.77777777777778) internal successors, (187), 9 states have internal predecessors, (187), 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) [2024-11-20 17:27:18,069 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:27:18,069 INFO L204 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] [2024-11-20 17:27:18,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 17:27:18,069 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-20 17:27:18,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:27:18,070 INFO L85 PathProgramCache]: Analyzing trace with hash 917883746, now seen corresponding path program 5 times [2024-11-20 17:27:18,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:27:18,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351764517] [2024-11-20 17:27:18,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:27:18,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:27:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 17:27:18,139 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 17:27:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 17:27:18,226 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 17:27:18,227 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 17:27:18,229 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2024-11-20 17:27:18,231 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 7 remaining) [2024-11-20 17:27:18,231 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 7 remaining) [2024-11-20 17:27:18,231 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-11-20 17:27:18,231 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-11-20 17:27:18,232 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-11-20 17:27:18,232 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-20 17:27:18,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-20 17:27:18,232 INFO L407 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:27:18,323 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 17:27:18,323 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 17:27:18,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:27:18 BasicIcfg [2024-11-20 17:27:18,329 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 17:27:18,330 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 17:27:18,330 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 17:27:18,330 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 17:27:18,331 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:27:04" (3/4) ... [2024-11-20 17:27:18,333 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 17:27:18,334 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 17:27:18,335 INFO L158 Benchmark]: Toolchain (without parser) took 15077.63ms. Allocated memory was 161.5MB in the beginning and 939.5MB in the end (delta: 778.0MB). Free memory was 122.3MB in the beginning and 724.6MB in the end (delta: -602.3MB). Peak memory consumption was 176.5MB. Max. memory is 16.1GB. [2024-11-20 17:27:18,335 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 161.5MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 17:27:18,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 649.79ms. Allocated memory is still 161.5MB. Free memory was 122.3MB in the beginning and 119.0MB in the end (delta: 3.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-20 17:27:18,336 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.80ms. Allocated memory is still 161.5MB. Free memory was 119.0MB in the beginning and 116.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 17:27:18,336 INFO L158 Benchmark]: Boogie Preprocessor took 53.68ms. Allocated memory is still 161.5MB. Free memory was 116.8MB in the beginning and 112.7MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 17:27:18,336 INFO L158 Benchmark]: RCFGBuilder took 811.09ms. Allocated memory is still 161.5MB. Free memory was 112.7MB in the beginning and 63.3MB in the end (delta: 49.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-20 17:27:18,337 INFO L158 Benchmark]: TraceAbstraction took 13487.16ms. Allocated memory was 161.5MB in the beginning and 939.5MB in the end (delta: 778.0MB). Free memory was 63.3MB in the beginning and 725.6MB in the end (delta: -662.4MB). Peak memory consumption was 116.6MB. Max. memory is 16.1GB. [2024-11-20 17:27:18,338 INFO L158 Benchmark]: Witness Printer took 4.53ms. Allocated memory is still 939.5MB. Free memory was 725.6MB in the beginning and 724.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 17:27:18,339 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 161.5MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 649.79ms. Allocated memory is still 161.5MB. Free memory was 122.3MB in the beginning and 119.0MB in the end (delta: 3.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.80ms. Allocated memory is still 161.5MB. Free memory was 119.0MB in the beginning and 116.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.68ms. Allocated memory is still 161.5MB. Free memory was 116.8MB in the beginning and 112.7MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 811.09ms. Allocated memory is still 161.5MB. Free memory was 112.7MB in the beginning and 63.3MB in the end (delta: 49.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 13487.16ms. Allocated memory was 161.5MB in the beginning and 939.5MB in the end (delta: 778.0MB). Free memory was 63.3MB in the beginning and 725.6MB in the end (delta: -662.4MB). Peak memory consumption was 116.6MB. Max. memory is 16.1GB. * Witness Printer took 4.53ms. Allocated memory is still 939.5MB. Free memory was 725.6MB in the beginning and 724.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 18. Possible FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L716] 0 int __unbuffered_p2_EBX = 0; [L717] 0 _Bool main$tmp_guard0; [L718] 0 _Bool main$tmp_guard1; [L720] 0 int x = 0; [L721] 0 _Bool x$flush_delayed; [L722] 0 int x$mem_tmp; [L723] 0 _Bool x$r_buff0_thd0; [L724] 0 _Bool x$r_buff0_thd1; [L725] 0 _Bool x$r_buff0_thd2; [L726] 0 _Bool x$r_buff0_thd3; [L727] 0 _Bool x$r_buff1_thd0; [L728] 0 _Bool x$r_buff1_thd1; [L729] 0 _Bool x$r_buff1_thd2; [L730] 0 _Bool x$r_buff1_thd3; [L731] 0 _Bool x$read_delayed; [L732] 0 int *x$read_delayed_var; [L733] 0 int x$w_buff0; [L734] 0 _Bool x$w_buff0_used; [L735] 0 int x$w_buff1; [L736] 0 _Bool x$w_buff1_used; [L738] 0 int y = 0; [L739] 0 _Bool weak$$choice0; [L740] 0 _Bool weak$$choice2; [L831] 0 pthread_t t1897; [L832] FCALL, FORK 0 pthread_create(&t1897, ((void *)0), P0, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1897=-2, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L833] 0 pthread_t t1898; [L834] FCALL, FORK 0 pthread_create(&t1898, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1897=-2, t1898=-1, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L835] 0 pthread_t t1899; [L836] FCALL, FORK 0 pthread_create(&t1899, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1897=-2, t1898=-1, t1899=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L774] 2 x$w_buff1 = x$w_buff0 [L775] 2 x$w_buff0 = 1 [L776] 2 x$w_buff1_used = x$w_buff0_used [L777] 2 x$w_buff0_used = (_Bool)1 [L778] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L19] COND FALSE 2 !(!expression) [L778] RET 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L779] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L780] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L781] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L782] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L783] 2 x$r_buff0_thd2 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L786] 2 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=1] [L803] 3 __unbuffered_p2_EAX = y VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=1] [L806] 3 __unbuffered_p2_EBX = y VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=1] [L744] 1 y = 2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=2] [L749] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L750] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L751] 1 x$flush_delayed = weak$$choice2 [L752] 1 x$mem_tmp = x [L753] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L754] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L755] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L756] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L757] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L758] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L759] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L760] 1 __unbuffered_p0_EAX = x [L761] 1 x = x$flush_delayed ? x$mem_tmp : x [L762] 1 x$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=2] [L809] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L810] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L811] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L812] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L813] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=2] [L789] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L790] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L791] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L792] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L793] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L796] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L816] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L767] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L838] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1897=-2, t1898=-1, t1899=0, weak$$choice0=1, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L840] CALL 0 assume_abort_if_not(main$tmp_guard0) [L4] COND FALSE 0 !(!cond) [L840] RET 0 assume_abort_if_not(main$tmp_guard0) [L842] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L843] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L844] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L845] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L846] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1897=-2, t1898=-1, t1899=0, weak$$choice0=1, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L849] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 1) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1897=-2, t1898=-1, t1899=0, weak$$choice0=1, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L851] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L19] COND TRUE 0 !expression [L19] CALL 0 reach_error() [L18] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L18] 0 __assert_fail ("0", "safe005_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.c", 9, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 829]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 832]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 834]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 836]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 70 locations, 7 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: 13.3s, OverallIterations: 15, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 8.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 708 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 671 mSDsluCounter, 237 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 193 mSDsCounter, 69 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1879 IncrementalHoareTripleChecker+Invalid, 1948 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 69 mSolverCounterUnsat, 44 mSDtfsCounter, 1879 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=272occurred in iteration=12, InterpolantAutomatonStates: 96, 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, 0.4s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 345 NumberOfCodeBlocks, 345 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 300 ConstructedInterpolants, 0 QuantifiedInterpolants, 1589 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-20 17:27:18,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe005_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 40c6d23f476fb49e658cd83073483dddc1740bbd5f458e601d84fe47899d7237 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 17:27:20,710 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 17:27:20,788 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-20 17:27:20,795 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 17:27:20,796 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 17:27:20,827 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 17:27:20,828 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 17:27:20,828 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 17:27:20,830 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 17:27:20,832 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 17:27:20,832 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 17:27:20,832 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 17:27:20,833 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 17:27:20,833 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 17:27:20,833 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 17:27:20,834 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 17:27:20,837 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 17:27:20,837 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 17:27:20,837 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 17:27:20,837 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 17:27:20,838 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-20 17:27:20,838 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-20 17:27:20,838 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-20 17:27:20,838 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 17:27:20,839 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 17:27:20,839 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-20 17:27:20,839 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 17:27:20,839 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-20 17:27:20,839 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 17:27:20,840 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 17:27:20,846 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 17:27:20,846 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 17:27:20,847 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 17:27:20,847 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 17:27:20,847 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 17:27:20,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 17:27:20,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 17:27:20,848 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 17:27:20,848 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-20 17:27:20,848 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-20 17:27:20,848 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 17:27:20,848 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 17:27:20,849 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 17:27:20,849 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 17:27:20,849 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40c6d23f476fb49e658cd83073483dddc1740bbd5f458e601d84fe47899d7237 [2024-11-20 17:27:21,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 17:27:21,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 17:27:21,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 17:27:21,221 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 17:27:21,221 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 17:27:21,222 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe005_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-11-20 17:27:22,759 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 17:27:23,098 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 17:27:23,101 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe005_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-11-20 17:27:23,122 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/667771006/99e0b275f07d42afa9d4b06c7cf433d1/FLAG854edde96 [2024-11-20 17:27:23,356 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/667771006/99e0b275f07d42afa9d4b06c7cf433d1 [2024-11-20 17:27:23,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 17:27:23,361 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 17:27:23,363 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 17:27:23,364 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 17:27:23,369 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 17:27:23,370 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:27:23" (1/1) ... [2024-11-20 17:27:23,372 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62fa4d58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:23, skipping insertion in model container [2024-11-20 17:27:23,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:27:23" (1/1) ... [2024-11-20 17:27:23,427 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 17:27:23,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 17:27:23,873 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 17:27:23,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 17:27:24,053 INFO L204 MainTranslator]: Completed translation [2024-11-20 17:27:24,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:24 WrapperNode [2024-11-20 17:27:24,054 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 17:27:24,055 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 17:27:24,055 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 17:27:24,055 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 17:27:24,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:24" (1/1) ... [2024-11-20 17:27:24,082 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:24" (1/1) ... [2024-11-20 17:27:24,106 INFO L138 Inliner]: procedures = 176, calls = 45, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 120 [2024-11-20 17:27:24,106 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 17:27:24,107 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 17:27:24,107 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 17:27:24,107 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 17:27:24,117 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:24" (1/1) ... [2024-11-20 17:27:24,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:24" (1/1) ... [2024-11-20 17:27:24,125 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:24" (1/1) ... [2024-11-20 17:27:24,148 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-20 17:27:24,148 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:24" (1/1) ... [2024-11-20 17:27:24,149 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:24" (1/1) ... [2024-11-20 17:27:24,156 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:24" (1/1) ... [2024-11-20 17:27:24,158 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:24" (1/1) ... [2024-11-20 17:27:24,160 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:24" (1/1) ... [2024-11-20 17:27:24,161 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:24" (1/1) ... [2024-11-20 17:27:24,165 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 17:27:24,166 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 17:27:24,166 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 17:27:24,166 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 17:27:24,167 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:24" (1/1) ... [2024-11-20 17:27:24,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 17:27:24,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:27:24,206 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 17:27:24,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 17:27:24,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-20 17:27:24,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 17:27:24,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-20 17:27:24,251 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-20 17:27:24,251 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-20 17:27:24,251 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-20 17:27:24,252 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-20 17:27:24,252 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-20 17:27:24,252 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-20 17:27:24,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-20 17:27:24,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 17:27:24,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 17:27:24,254 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 17:27:24,415 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 17:27:24,417 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 17:27:24,812 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 17:27:24,812 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 17:27:25,049 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 17:27:25,050 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 17:27:25,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:27:25 BoogieIcfgContainer [2024-11-20 17:27:25,051 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 17:27:25,055 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 17:27:25,055 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 17:27:25,058 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 17:27:25,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:27:23" (1/3) ... [2024-11-20 17:27:25,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fc9036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:27:25, skipping insertion in model container [2024-11-20 17:27:25,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:24" (2/3) ... [2024-11-20 17:27:25,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fc9036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:27:25, skipping insertion in model container [2024-11-20 17:27:25,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:27:25" (3/3) ... [2024-11-20 17:27:25,062 INFO L112 eAbstractionObserver]: Analyzing ICFG safe005_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.i [2024-11-20 17:27:25,079 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 17:27:25,079 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-20 17:27:25,080 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 17:27:25,148 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-20 17:27:25,189 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 53 places, 45 transitions, 102 flow [2024-11-20 17:27:25,222 INFO L124 PetriNetUnfolderBase]: 2/42 cut-off events. [2024-11-20 17:27:25,222 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 17:27:25,226 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 42 events. 2/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 82 event pairs, 0 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 44. Up to 2 conditions per place. [2024-11-20 17:27:25,227 INFO L82 GeneralOperation]: Start removeDead. Operand has 53 places, 45 transitions, 102 flow [2024-11-20 17:27:25,231 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 42 transitions, 93 flow [2024-11-20 17:27:25,240 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 17:27:25,247 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@38de7044, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 17:27:25,247 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-20 17:27:25,253 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 17:27:25,253 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2024-11-20 17:27:25,254 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 17:27:25,254 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:27:25,255 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-20 17:27:25,256 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-20 17:27:25,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:27:25,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1499687794, now seen corresponding path program 1 times [2024-11-20 17:27:25,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 17:27:25,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1463258412] [2024-11-20 17:27:25,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:27:25,276 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 17:27:25,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 17:27:25,280 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 17:27:25,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-20 17:27:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:27:25,381 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 17:27:25,386 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:27:25,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:27:25,421 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 17:27:25,422 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 17:27:25,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1463258412] [2024-11-20 17:27:25,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1463258412] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:27:25,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:27:25,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-20 17:27:25,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272045115] [2024-11-20 17:27:25,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:27:25,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 17:27:25,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 17:27:25,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 17:27:25,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 17:27:25,462 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 45 [2024-11-20 17:27:25,465 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 42 transitions, 93 flow. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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) [2024-11-20 17:27:25,465 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:27:25,465 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 45 [2024-11-20 17:27:25,466 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:27:25,881 INFO L124 PetriNetUnfolderBase]: 603/1152 cut-off events. [2024-11-20 17:27:25,881 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-20 17:27:25,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2111 conditions, 1152 events. 603/1152 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 7359 event pairs, 96 based on Foata normal form. 72/1208 useless extension candidates. Maximal degree in co-relation 2100. Up to 742 conditions per place. [2024-11-20 17:27:25,895 INFO L140 encePairwiseOnDemand]: 40/45 looper letters, 29 selfloop transitions, 2 changer transitions 2/51 dead transitions. [2024-11-20 17:27:25,895 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 51 transitions, 180 flow [2024-11-20 17:27:25,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 17:27:25,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 17:27:25,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 101 transitions. [2024-11-20 17:27:25,908 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7481481481481481 [2024-11-20 17:27:25,910 INFO L175 Difference]: Start difference. First operand has 50 places, 42 transitions, 93 flow. Second operand 3 states and 101 transitions. [2024-11-20 17:27:25,911 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 51 transitions, 180 flow [2024-11-20 17:27:25,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 51 transitions, 176 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-20 17:27:25,917 INFO L231 Difference]: Finished difference. Result has 47 places, 37 transitions, 84 flow [2024-11-20 17:27:25,924 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=47, PETRI_TRANSITIONS=37} [2024-11-20 17:27:25,933 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, -3 predicate places. [2024-11-20 17:27:25,933 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 37 transitions, 84 flow [2024-11-20 17:27:25,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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) [2024-11-20 17:27:25,934 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:27:25,934 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:27:25,939 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-20 17:27:26,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 17:27:26,135 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-20 17:27:26,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:27:26,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1243164851, now seen corresponding path program 1 times [2024-11-20 17:27:26,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 17:27:26,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [430528028] [2024-11-20 17:27:26,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:27:26,137 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 17:27:26,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 17:27:26,138 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 17:27:26,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-20 17:27:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:27:26,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 17:27:26,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:27:26,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:27:26,281 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 17:27:26,281 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 17:27:26,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [430528028] [2024-11-20 17:27:26,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [430528028] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:27:26,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:27:26,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 17:27:26,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129036506] [2024-11-20 17:27:26,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:27:26,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:27:26,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 17:27:26,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:27:26,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:27:26,297 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 45 [2024-11-20 17:27:26,297 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 84 flow. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2024-11-20 17:27:26,297 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:27:26,297 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 45 [2024-11-20 17:27:26,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:27:26,713 INFO L124 PetriNetUnfolderBase]: 1361/2424 cut-off events. [2024-11-20 17:27:26,713 INFO L125 PetriNetUnfolderBase]: For 128/128 co-relation queries the response was YES. [2024-11-20 17:27:26,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4664 conditions, 2424 events. 1361/2424 cut-off events. For 128/128 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 15903 event pairs, 147 based on Foata normal form. 80/2471 useless extension candidates. Maximal degree in co-relation 4654. Up to 1297 conditions per place. [2024-11-20 17:27:26,728 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 40 selfloop transitions, 5 changer transitions 1/60 dead transitions. [2024-11-20 17:27:26,728 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 60 transitions, 230 flow [2024-11-20 17:27:26,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:27:26,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-20 17:27:26,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 116 transitions. [2024-11-20 17:27:26,730 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6444444444444445 [2024-11-20 17:27:26,730 INFO L175 Difference]: Start difference. First operand has 47 places, 37 transitions, 84 flow. Second operand 4 states and 116 transitions. [2024-11-20 17:27:26,731 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 60 transitions, 230 flow [2024-11-20 17:27:26,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 60 transitions, 222 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 17:27:26,735 INFO L231 Difference]: Finished difference. Result has 49 places, 40 transitions, 114 flow [2024-11-20 17:27:26,738 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=114, PETRI_PLACES=49, PETRI_TRANSITIONS=40} [2024-11-20 17:27:26,739 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, -1 predicate places. [2024-11-20 17:27:26,739 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 40 transitions, 114 flow [2024-11-20 17:27:26,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2024-11-20 17:27:26,739 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:27:26,739 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:27:26,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-20 17:27:26,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 17:27:26,943 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-20 17:27:26,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:27:26,949 INFO L85 PathProgramCache]: Analyzing trace with hash -571574483, now seen corresponding path program 1 times [2024-11-20 17:27:26,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 17:27:26,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1235294162] [2024-11-20 17:27:26,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:27:26,950 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 17:27:26,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 17:27:26,957 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 17:27:27,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-20 17:27:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:27:27,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 17:27:27,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:27:27,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:27:27,283 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 17:27:27,284 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 17:27:27,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1235294162] [2024-11-20 17:27:27,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1235294162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:27:27,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:27:27,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 17:27:27,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623330260] [2024-11-20 17:27:27,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:27:27,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 17:27:27,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 17:27:27,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 17:27:27,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 17:27:27,313 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 45 [2024-11-20 17:27:27,314 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 40 transitions, 114 flow. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 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) [2024-11-20 17:27:27,314 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:27:27,314 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 45 [2024-11-20 17:27:27,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:27:27,631 INFO L124 PetriNetUnfolderBase]: 877/1576 cut-off events. [2024-11-20 17:27:27,631 INFO L125 PetriNetUnfolderBase]: For 378/378 co-relation queries the response was YES. [2024-11-20 17:27:27,634 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3498 conditions, 1576 events. 877/1576 cut-off events. For 378/378 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 9115 event pairs, 73 based on Foata normal form. 68/1618 useless extension candidates. Maximal degree in co-relation 3486. Up to 625 conditions per place. [2024-11-20 17:27:27,639 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 50 selfloop transitions, 8 changer transitions 1/73 dead transitions. [2024-11-20 17:27:27,639 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 73 transitions, 319 flow [2024-11-20 17:27:27,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 17:27:27,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-20 17:27:27,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 146 transitions. [2024-11-20 17:27:27,641 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6488888888888888 [2024-11-20 17:27:27,642 INFO L175 Difference]: Start difference. First operand has 49 places, 40 transitions, 114 flow. Second operand 5 states and 146 transitions. [2024-11-20 17:27:27,642 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 73 transitions, 319 flow [2024-11-20 17:27:27,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 73 transitions, 309 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-20 17:27:27,645 INFO L231 Difference]: Finished difference. Result has 53 places, 43 transitions, 154 flow [2024-11-20 17:27:27,645 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=154, PETRI_PLACES=53, PETRI_TRANSITIONS=43} [2024-11-20 17:27:27,646 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 3 predicate places. [2024-11-20 17:27:27,646 INFO L471 AbstractCegarLoop]: Abstraction has has 53 places, 43 transitions, 154 flow [2024-11-20 17:27:27,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 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) [2024-11-20 17:27:27,646 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:27:27,646 INFO L204 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] [2024-11-20 17:27:27,651 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-20 17:27:27,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 17:27:27,854 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-20 17:27:27,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:27:27,855 INFO L85 PathProgramCache]: Analyzing trace with hash 1468163822, now seen corresponding path program 1 times [2024-11-20 17:27:27,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 17:27:27,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1005479209] [2024-11-20 17:27:27,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:27:27,856 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 17:27:27,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 17:27:27,857 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 17:27:27,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-20 17:27:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:27:27,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 17:27:27,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:27:27,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:27:27,996 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 17:27:27,996 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 17:27:27,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1005479209] [2024-11-20 17:27:27,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1005479209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:27:27,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:27:27,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 17:27:27,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624237409] [2024-11-20 17:27:27,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:27:27,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:27:27,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 17:27:27,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:27:27,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 17:27:28,005 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 45 [2024-11-20 17:27:28,005 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 43 transitions, 154 flow. Second operand has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 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) [2024-11-20 17:27:28,005 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:27:28,005 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 45 [2024-11-20 17:27:28,005 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:27:28,415 INFO L124 PetriNetUnfolderBase]: 489/848 cut-off events. [2024-11-20 17:27:28,416 INFO L125 PetriNetUnfolderBase]: For 680/680 co-relation queries the response was YES. [2024-11-20 17:27:28,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2180 conditions, 848 events. 489/848 cut-off events. For 680/680 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 3942 event pairs, 59 based on Foata normal form. 36/860 useless extension candidates. Maximal degree in co-relation 2166. Up to 268 conditions per place. [2024-11-20 17:27:28,422 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 44 selfloop transitions, 11 changer transitions 1/70 dead transitions. [2024-11-20 17:27:28,422 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 70 transitions, 330 flow [2024-11-20 17:27:28,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 17:27:28,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 17:27:28,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 160 transitions. [2024-11-20 17:27:28,426 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5925925925925926 [2024-11-20 17:27:28,426 INFO L175 Difference]: Start difference. First operand has 53 places, 43 transitions, 154 flow. Second operand 6 states and 160 transitions. [2024-11-20 17:27:28,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 70 transitions, 330 flow [2024-11-20 17:27:28,432 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 70 transitions, 305 flow, removed 4 selfloop flow, removed 4 redundant places. [2024-11-20 17:27:28,434 INFO L231 Difference]: Finished difference. Result has 56 places, 43 transitions, 168 flow [2024-11-20 17:27:28,434 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=168, PETRI_PLACES=56, PETRI_TRANSITIONS=43} [2024-11-20 17:27:28,436 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 6 predicate places. [2024-11-20 17:27:28,436 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 43 transitions, 168 flow [2024-11-20 17:27:28,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 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) [2024-11-20 17:27:28,437 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:27:28,437 INFO L204 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] [2024-11-20 17:27:28,443 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-20 17:27:28,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 17:27:28,638 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-20 17:27:28,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:27:28,638 INFO L85 PathProgramCache]: Analyzing trace with hash 1503302427, now seen corresponding path program 1 times [2024-11-20 17:27:28,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 17:27:28,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [821662009] [2024-11-20 17:27:28,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:27:28,640 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 17:27:28,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 17:27:28,641 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 17:27:28,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-20 17:27:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:27:28,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 17:27:28,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:27:28,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:27:28,812 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 17:27:28,812 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 17:27:28,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [821662009] [2024-11-20 17:27:28,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [821662009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:27:28,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:27:28,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-20 17:27:28,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178415037] [2024-11-20 17:27:28,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:27:28,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 17:27:28,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 17:27:28,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 17:27:28,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 17:27:28,819 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 45 [2024-11-20 17:27:28,820 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 43 transitions, 168 flow. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2024-11-20 17:27:28,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:27:28,820 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 45 [2024-11-20 17:27:28,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:27:28,926 INFO L124 PetriNetUnfolderBase]: 247/526 cut-off events. [2024-11-20 17:27:28,926 INFO L125 PetriNetUnfolderBase]: For 161/166 co-relation queries the response was YES. [2024-11-20 17:27:28,929 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1132 conditions, 526 events. 247/526 cut-off events. For 161/166 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2643 event pairs, 237 based on Foata normal form. 8/485 useless extension candidates. Maximal degree in co-relation 1117. Up to 402 conditions per place. [2024-11-20 17:27:28,931 INFO L140 encePairwiseOnDemand]: 43/45 looper letters, 17 selfloop transitions, 1 changer transitions 1/42 dead transitions. [2024-11-20 17:27:28,931 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 42 transitions, 204 flow [2024-11-20 17:27:28,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 17:27:28,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 17:27:28,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 80 transitions. [2024-11-20 17:27:28,932 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5925925925925926 [2024-11-20 17:27:28,932 INFO L175 Difference]: Start difference. First operand has 56 places, 43 transitions, 168 flow. Second operand 3 states and 80 transitions. [2024-11-20 17:27:28,932 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 42 transitions, 204 flow [2024-11-20 17:27:28,934 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 42 transitions, 148 flow, removed 10 selfloop flow, removed 8 redundant places. [2024-11-20 17:27:28,934 INFO L231 Difference]: Finished difference. Result has 49 places, 41 transitions, 110 flow [2024-11-20 17:27:28,934 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=110, PETRI_PLACES=49, PETRI_TRANSITIONS=41} [2024-11-20 17:27:28,935 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, -1 predicate places. [2024-11-20 17:27:28,937 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 41 transitions, 110 flow [2024-11-20 17:27:28,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 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) [2024-11-20 17:27:28,938 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:27:28,938 INFO L204 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] [2024-11-20 17:27:28,943 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-20 17:27:29,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 17:27:29,142 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-20 17:27:29,143 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:27:29,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1919173412, now seen corresponding path program 1 times [2024-11-20 17:27:29,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 17:27:29,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [421885038] [2024-11-20 17:27:29,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:27:29,144 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 17:27:29,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 17:27:29,145 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 17:27:29,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-20 17:27:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:27:29,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-20 17:27:29,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:27:29,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:27:29,314 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 17:27:29,314 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 17:27:29,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [421885038] [2024-11-20 17:27:29,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [421885038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:27:29,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:27:29,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 17:27:29,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699485083] [2024-11-20 17:27:29,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:27:29,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 17:27:29,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 17:27:29,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 17:27:29,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 17:27:29,333 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 45 [2024-11-20 17:27:29,333 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 41 transitions, 110 flow. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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) [2024-11-20 17:27:29,334 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:27:29,334 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 45 [2024-11-20 17:27:29,334 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:27:29,554 INFO L124 PetriNetUnfolderBase]: 586/1114 cut-off events. [2024-11-20 17:27:29,554 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 17:27:29,557 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2204 conditions, 1114 events. 586/1114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 6111 event pairs, 280 based on Foata normal form. 8/1041 useless extension candidates. Maximal degree in co-relation 2197. Up to 529 conditions per place. [2024-11-20 17:27:29,561 INFO L140 encePairwiseOnDemand]: 40/45 looper letters, 26 selfloop transitions, 2 changer transitions 13/61 dead transitions. [2024-11-20 17:27:29,561 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 61 transitions, 234 flow [2024-11-20 17:27:29,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 17:27:29,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-20 17:27:29,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 132 transitions. [2024-11-20 17:27:29,562 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5866666666666667 [2024-11-20 17:27:29,562 INFO L175 Difference]: Start difference. First operand has 49 places, 41 transitions, 110 flow. Second operand 5 states and 132 transitions. [2024-11-20 17:27:29,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 61 transitions, 234 flow [2024-11-20 17:27:29,563 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 61 transitions, 233 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 17:27:29,563 INFO L231 Difference]: Finished difference. Result has 54 places, 41 transitions, 121 flow [2024-11-20 17:27:29,563 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=121, PETRI_PLACES=54, PETRI_TRANSITIONS=41} [2024-11-20 17:27:29,564 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 4 predicate places. [2024-11-20 17:27:29,564 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 41 transitions, 121 flow [2024-11-20 17:27:29,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 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) [2024-11-20 17:27:29,565 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:27:29,565 INFO L204 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] [2024-11-20 17:27:29,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-20 17:27:29,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 17:27:29,766 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-20 17:27:29,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:27:29,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1185508188, now seen corresponding path program 2 times [2024-11-20 17:27:29,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 17:27:29,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1765278872] [2024-11-20 17:27:29,767 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 17:27:29,767 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 17:27:29,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 17:27:29,768 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 17:27:29,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-20 17:27:29,857 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-20 17:27:29,857 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 17:27:29,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 17:27:29,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:27:29,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:27:29,933 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 17:27:29,933 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 17:27:29,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1765278872] [2024-11-20 17:27:29,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1765278872] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:27:29,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:27:29,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 17:27:29,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437315917] [2024-11-20 17:27:29,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:27:29,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:27:29,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 17:27:29,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:27:29,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 17:27:29,952 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 45 [2024-11-20 17:27:29,952 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 41 transitions, 121 flow. Second operand has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 6 states have internal predecessors, (121), 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) [2024-11-20 17:27:29,952 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:27:29,952 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 45 [2024-11-20 17:27:29,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:27:30,165 INFO L124 PetriNetUnfolderBase]: 553/1068 cut-off events. [2024-11-20 17:27:30,166 INFO L125 PetriNetUnfolderBase]: For 70/70 co-relation queries the response was YES. [2024-11-20 17:27:30,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2242 conditions, 1068 events. 553/1068 cut-off events. For 70/70 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 5601 event pairs, 141 based on Foata normal form. 8/1013 useless extension candidates. Maximal degree in co-relation 2232. Up to 396 conditions per place. [2024-11-20 17:27:30,172 INFO L140 encePairwiseOnDemand]: 39/45 looper letters, 28 selfloop transitions, 3 changer transitions 15/65 dead transitions. [2024-11-20 17:27:30,172 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 65 transitions, 270 flow [2024-11-20 17:27:30,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 17:27:30,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 17:27:30,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 149 transitions. [2024-11-20 17:27:30,173 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5518518518518518 [2024-11-20 17:27:30,173 INFO L175 Difference]: Start difference. First operand has 54 places, 41 transitions, 121 flow. Second operand 6 states and 149 transitions. [2024-11-20 17:27:30,173 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 65 transitions, 270 flow [2024-11-20 17:27:30,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 65 transitions, 254 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-20 17:27:30,175 INFO L231 Difference]: Finished difference. Result has 56 places, 41 transitions, 125 flow [2024-11-20 17:27:30,175 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=125, PETRI_PLACES=56, PETRI_TRANSITIONS=41} [2024-11-20 17:27:30,175 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 6 predicate places. [2024-11-20 17:27:30,176 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 41 transitions, 125 flow [2024-11-20 17:27:30,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 6 states have internal predecessors, (121), 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) [2024-11-20 17:27:30,176 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:27:30,176 INFO L204 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] [2024-11-20 17:27:30,182 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2024-11-20 17:27:30,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 17:27:30,380 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-20 17:27:30,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:27:30,381 INFO L85 PathProgramCache]: Analyzing trace with hash -964820420, now seen corresponding path program 3 times [2024-11-20 17:27:30,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 17:27:30,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1928869826] [2024-11-20 17:27:30,384 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-20 17:27:30,384 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 17:27:30,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 17:27:30,387 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 17:27:30,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-20 17:27:30,473 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-20 17:27:30,473 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 17:27:30,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 17:27:30,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:27:30,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:27:30,564 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 17:27:30,564 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 17:27:30,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1928869826] [2024-11-20 17:27:30,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1928869826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:27:30,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:27:30,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 17:27:30,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453994943] [2024-11-20 17:27:30,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:27:30,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:27:30,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 17:27:30,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:27:30,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-20 17:27:30,587 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 45 [2024-11-20 17:27:30,588 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 41 transitions, 125 flow. Second operand has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 6 states have internal predecessors, (121), 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) [2024-11-20 17:27:30,588 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:27:30,588 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 45 [2024-11-20 17:27:30,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:27:30,836 INFO L124 PetriNetUnfolderBase]: 480/995 cut-off events. [2024-11-20 17:27:30,836 INFO L125 PetriNetUnfolderBase]: For 65/67 co-relation queries the response was YES. [2024-11-20 17:27:30,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2001 conditions, 995 events. 480/995 cut-off events. For 65/67 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 5317 event pairs, 90 based on Foata normal form. 8/979 useless extension candidates. Maximal degree in co-relation 1990. Up to 386 conditions per place. [2024-11-20 17:27:30,841 INFO L140 encePairwiseOnDemand]: 40/45 looper letters, 26 selfloop transitions, 1 changer transitions 20/66 dead transitions. [2024-11-20 17:27:30,841 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 66 transitions, 278 flow [2024-11-20 17:27:30,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 17:27:30,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 17:27:30,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 150 transitions. [2024-11-20 17:27:30,842 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5555555555555556 [2024-11-20 17:27:30,842 INFO L175 Difference]: Start difference. First operand has 56 places, 41 transitions, 125 flow. Second operand 6 states and 150 transitions. [2024-11-20 17:27:30,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 66 transitions, 278 flow [2024-11-20 17:27:30,843 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 66 transitions, 260 flow, removed 5 selfloop flow, removed 5 redundant places. [2024-11-20 17:27:30,844 INFO L231 Difference]: Finished difference. Result has 58 places, 41 transitions, 124 flow [2024-11-20 17:27:30,845 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=113, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=124, PETRI_PLACES=58, PETRI_TRANSITIONS=41} [2024-11-20 17:27:30,845 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 8 predicate places. [2024-11-20 17:27:30,845 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 41 transitions, 124 flow [2024-11-20 17:27:30,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 6 states have internal predecessors, (121), 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) [2024-11-20 17:27:30,846 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:27:30,846 INFO L204 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] [2024-11-20 17:27:30,851 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-20 17:27:31,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 17:27:31,050 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-20 17:27:31,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:27:31,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1332815224, now seen corresponding path program 4 times [2024-11-20 17:27:31,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 17:27:31,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1070583912] [2024-11-20 17:27:31,055 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-20 17:27:31,055 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 17:27:31,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 17:27:31,058 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 17:27:31,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-20 17:27:31,136 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-20 17:27:31,136 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 17:27:31,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-20 17:27:31,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:27:31,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:27:31,368 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 17:27:31,368 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 17:27:31,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1070583912] [2024-11-20 17:27:31,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1070583912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:27:31,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:27:31,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 17:27:31,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264268609] [2024-11-20 17:27:31,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:27:31,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 17:27:31,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 17:27:31,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 17:27:31,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-20 17:27:31,386 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 45 [2024-11-20 17:27:31,387 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 41 transitions, 124 flow. Second operand has 8 states, 8 states have (on average 22.0) internal successors, (176), 8 states have internal predecessors, (176), 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) [2024-11-20 17:27:31,387 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 17:27:31,387 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 45 [2024-11-20 17:27:31,387 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 17:27:31,678 INFO L124 PetriNetUnfolderBase]: 378/801 cut-off events. [2024-11-20 17:27:31,678 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-11-20 17:27:31,680 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1616 conditions, 801 events. 378/801 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 4109 event pairs, 192 based on Foata normal form. 8/766 useless extension candidates. Maximal degree in co-relation 1605. Up to 322 conditions per place. [2024-11-20 17:27:31,682 INFO L140 encePairwiseOnDemand]: 38/45 looper letters, 21 selfloop transitions, 3 changer transitions 25/71 dead transitions. [2024-11-20 17:27:31,682 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 71 transitions, 292 flow [2024-11-20 17:27:31,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 17:27:31,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-20 17:27:31,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 190 transitions. [2024-11-20 17:27:31,685 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6031746031746031 [2024-11-20 17:27:31,685 INFO L175 Difference]: Start difference. First operand has 58 places, 41 transitions, 124 flow. Second operand 7 states and 190 transitions. [2024-11-20 17:27:31,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 71 transitions, 292 flow [2024-11-20 17:27:31,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 71 transitions, 281 flow, removed 5 selfloop flow, removed 4 redundant places. [2024-11-20 17:27:31,689 INFO L231 Difference]: Finished difference. Result has 62 places, 43 transitions, 144 flow [2024-11-20 17:27:31,690 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=45, PETRI_DIFFERENCE_MINUEND_FLOW=117, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=144, PETRI_PLACES=62, PETRI_TRANSITIONS=43} [2024-11-20 17:27:31,691 INFO L277 CegarLoopForPetriNet]: 50 programPoint places, 12 predicate places. [2024-11-20 17:27:31,691 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 43 transitions, 144 flow [2024-11-20 17:27:31,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.0) internal successors, (176), 8 states have internal predecessors, (176), 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) [2024-11-20 17:27:31,692 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 17:27:31,693 INFO L204 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] [2024-11-20 17:27:31,697 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-20 17:27:31,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 17:27:31,894 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 4 more)] === [2024-11-20 17:27:31,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:27:31,895 INFO L85 PathProgramCache]: Analyzing trace with hash 964965338, now seen corresponding path program 5 times [2024-11-20 17:27:31,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 17:27:31,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [607564473] [2024-11-20 17:27:31,895 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-20 17:27:31,895 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 17:27:31,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 17:27:31,898 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 17:27:31,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-20 17:27:32,004 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-20 17:27:32,005 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-20 17:27:32,005 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 17:27:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 17:27:32,232 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-20 17:27:32,233 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 17:27:32,237 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2024-11-20 17:27:32,239 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 7 remaining) [2024-11-20 17:27:32,239 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 7 remaining) [2024-11-20 17:27:32,240 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2024-11-20 17:27:32,240 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2024-11-20 17:27:32,240 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2024-11-20 17:27:32,244 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 7 remaining) [2024-11-20 17:27:32,306 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2024-11-20 17:27:32,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 17:27:32,445 INFO L407 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1] [2024-11-20 17:27:32,522 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 17:27:32,522 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 17:27:32,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:27:32 BasicIcfg [2024-11-20 17:27:32,528 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 17:27:32,529 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 17:27:32,529 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 17:27:32,529 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 17:27:32,529 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:27:25" (3/4) ... [2024-11-20 17:27:32,531 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 17:27:32,532 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 17:27:32,533 INFO L158 Benchmark]: Toolchain (without parser) took 9171.91ms. Allocated memory was 79.7MB in the beginning and 182.5MB in the end (delta: 102.8MB). Free memory was 55.2MB in the beginning and 72.1MB in the end (delta: -16.8MB). Peak memory consumption was 87.2MB. Max. memory is 16.1GB. [2024-11-20 17:27:32,533 INFO L158 Benchmark]: CDTParser took 0.97ms. Allocated memory is still 58.7MB. Free memory was 33.4MB in the beginning and 33.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 17:27:32,534 INFO L158 Benchmark]: CACSL2BoogieTranslator took 691.33ms. Allocated memory is still 79.7MB. Free memory was 55.0MB in the beginning and 50.7MB in the end (delta: 4.4MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2024-11-20 17:27:32,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.64ms. Allocated memory is still 79.7MB. Free memory was 50.7MB in the beginning and 48.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 17:27:32,535 INFO L158 Benchmark]: Boogie Preprocessor took 57.87ms. Allocated memory is still 79.7MB. Free memory was 48.2MB in the beginning and 44.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 17:27:32,535 INFO L158 Benchmark]: RCFGBuilder took 885.73ms. Allocated memory is still 79.7MB. Free memory was 44.8MB in the beginning and 32.6MB in the end (delta: 12.1MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2024-11-20 17:27:32,536 INFO L158 Benchmark]: TraceAbstraction took 7473.65ms. Allocated memory was 79.7MB in the beginning and 182.5MB in the end (delta: 102.8MB). Free memory was 32.1MB in the beginning and 72.1MB in the end (delta: -39.9MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. [2024-11-20 17:27:32,537 INFO L158 Benchmark]: Witness Printer took 3.55ms. Allocated memory is still 182.5MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 17:27:32,542 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97ms. Allocated memory is still 58.7MB. Free memory was 33.4MB in the beginning and 33.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 691.33ms. Allocated memory is still 79.7MB. Free memory was 55.0MB in the beginning and 50.7MB in the end (delta: 4.4MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.64ms. Allocated memory is still 79.7MB. Free memory was 50.7MB in the beginning and 48.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.87ms. Allocated memory is still 79.7MB. Free memory was 48.2MB in the beginning and 44.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 885.73ms. Allocated memory is still 79.7MB. Free memory was 44.8MB in the beginning and 32.6MB in the end (delta: 12.1MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * TraceAbstraction took 7473.65ms. Allocated memory was 79.7MB in the beginning and 182.5MB in the end (delta: 102.8MB). Free memory was 32.1MB in the beginning and 72.1MB in the end (delta: -39.9MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. * Witness Printer took 3.55ms. Allocated memory is still 182.5MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 18. Possible FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L716] 0 int __unbuffered_p2_EBX = 0; [L717] 0 _Bool main$tmp_guard0; [L718] 0 _Bool main$tmp_guard1; [L720] 0 int x = 0; [L721] 0 _Bool x$flush_delayed; [L722] 0 int x$mem_tmp; [L723] 0 _Bool x$r_buff0_thd0; [L724] 0 _Bool x$r_buff0_thd1; [L725] 0 _Bool x$r_buff0_thd2; [L726] 0 _Bool x$r_buff0_thd3; [L727] 0 _Bool x$r_buff1_thd0; [L728] 0 _Bool x$r_buff1_thd1; [L729] 0 _Bool x$r_buff1_thd2; [L730] 0 _Bool x$r_buff1_thd3; [L731] 0 _Bool x$read_delayed; [L732] 0 int *x$read_delayed_var; [L733] 0 int x$w_buff0; [L734] 0 _Bool x$w_buff0_used; [L735] 0 int x$w_buff1; [L736] 0 _Bool x$w_buff1_used; [L738] 0 int y = 0; [L739] 0 _Bool weak$$choice0; [L740] 0 _Bool weak$$choice2; [L831] 0 pthread_t t1897; [L832] FCALL, FORK 0 pthread_create(&t1897, ((void *)0), P0, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1897=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L833] 0 pthread_t t1898; [L834] FCALL, FORK 0 pthread_create(&t1898, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1897=0, t1898=1, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L835] 0 pthread_t t1899; [L836] FCALL, FORK 0 pthread_create(&t1899, ((void *)0), P2, ((void *)0)) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1897=0, t1898=1, t1899=2, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L774] 2 x$w_buff1 = x$w_buff0 [L775] 2 x$w_buff0 = 1 [L776] 2 x$w_buff1_used = x$w_buff0_used [L777] 2 x$w_buff0_used = (_Bool)1 [L778] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L19] COND FALSE 2 !(!expression) [L778] RET 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L779] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L780] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L781] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L782] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L783] 2 x$r_buff0_thd2 = (_Bool)1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0] [L786] 2 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=1] [L803] 3 __unbuffered_p2_EAX = y VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=1] [L806] 3 __unbuffered_p2_EBX = y VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=1] [L744] 1 y = 2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=2] [L749] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L750] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L751] 1 x$flush_delayed = weak$$choice2 [L752] 1 x$mem_tmp = x [L753] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L754] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L755] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L756] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L757] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L758] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L759] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L760] 1 __unbuffered_p0_EAX = x [L761] 1 x = x$flush_delayed ? x$mem_tmp : x [L762] 1 x$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=2] [L789] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L790] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L791] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L792] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L793] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L809] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L810] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L811] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L812] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L813] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L796] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L767] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L816] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L838] 0 main$tmp_guard0 = __unbuffered_cnt == 3 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1897=0, t1898=1, t1899=2, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L840] CALL 0 assume_abort_if_not(main$tmp_guard0) [L4] COND FALSE 0 !(!cond) [L840] RET 0 assume_abort_if_not(main$tmp_guard0) [L842] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L843] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L844] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L845] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L846] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1897=0, t1898=1, t1899=2, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L849] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 1) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1897=0, t1898=1, t1899=2, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L851] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L19] COND TRUE 0 !expression [L19] CALL 0 reach_error() [L18] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] [L18] 0 __assert_fail ("0", "safe005_power.oepc_power.opt_pso.oepc_pso.opt_rmo.oepc_rmo.opt.c", 9, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2] - UnprovableResult [Line: 18]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 829]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 832]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 834]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 836]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 70 locations, 7 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: 7.3s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 329 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 294 mSDsluCounter, 98 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 81 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1049 IncrementalHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 17 mSDtfsCounter, 1049 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 228 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=168occurred in iteration=4, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 252 NumberOfCodeBlocks, 251 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 212 ConstructedInterpolants, 0 QuantifiedInterpolants, 695 SizeOfPredicates, 17 NumberOfNonLiveVariables, 946 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-20 17:27:32,570 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample