./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f781d19-6ed2-4856-85d5-5e6ac1f6f6fe/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f781d19-6ed2-4856-85d5-5e6ac1f6f6fe/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f781d19-6ed2-4856-85d5-5e6ac1f6f6fe/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f781d19-6ed2-4856-85d5-5e6ac1f6f6fe/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f781d19-6ed2-4856-85d5-5e6ac1f6f6fe/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f781d19-6ed2-4856-85d5-5e6ac1f6f6fe/bin/uautomizer-verify-aQ6SnzHsRB --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 d5772eac83993f999ed7a0d2c72e283c734e18136b4020af8f8e407255c20c04 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:33:21,891 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:33:21,993 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f781d19-6ed2-4856-85d5-5e6ac1f6f6fe/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-28 04:33:22,002 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:33:22,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:33:22,044 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:33:22,045 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:33:22,046 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:33:22,046 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:33:22,047 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:33:22,047 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:33:22,048 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:33:22,048 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:33:22,048 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:33:22,049 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:33:22,049 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:33:22,049 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:33:22,049 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:33:22,049 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:33:22,049 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:33:22,049 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 04:33:22,049 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 04:33:22,049 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 04:33:22,049 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:33:22,049 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:33:22,050 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:33:22,050 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:33:22,050 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:33:22,050 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:33:22,050 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:33:22,050 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:33:22,050 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:33:22,050 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:33:22,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:33:22,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:33:22,051 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:33:22,051 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:33:22,051 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:33:22,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:33:22,051 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:33:22,051 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:33:22,051 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:33:22,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:33:22,052 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:33:22,052 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:33:22,052 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:33:22,052 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:33:22,053 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f781d19-6ed2-4856-85d5-5e6ac1f6f6fe/bin/uautomizer-verify-aQ6SnzHsRB 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 -> d5772eac83993f999ed7a0d2c72e283c734e18136b4020af8f8e407255c20c04 [2024-11-28 04:33:22,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:33:22,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:33:22,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:33:22,448 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:33:22,448 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:33:22,450 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f781d19-6ed2-4856-85d5-5e6ac1f6f6fe/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i [2024-11-28 04:33:25,550 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f781d19-6ed2-4856-85d5-5e6ac1f6f6fe/bin/uautomizer-verify-aQ6SnzHsRB/data/2c6f6611a/0ceb89a8edbe4a10b90d8788e26fe3c4/FLAGc284b2999 [2024-11-28 04:33:25,978 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:33:25,978 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f781d19-6ed2-4856-85d5-5e6ac1f6f6fe/sv-benchmarks/c/goblint-regression/13-privatized_04-priv_multi_true.i [2024-11-28 04:33:26,005 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f781d19-6ed2-4856-85d5-5e6ac1f6f6fe/bin/uautomizer-verify-aQ6SnzHsRB/data/2c6f6611a/0ceb89a8edbe4a10b90d8788e26fe3c4/FLAGc284b2999 [2024-11-28 04:33:26,029 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f781d19-6ed2-4856-85d5-5e6ac1f6f6fe/bin/uautomizer-verify-aQ6SnzHsRB/data/2c6f6611a/0ceb89a8edbe4a10b90d8788e26fe3c4 [2024-11-28 04:33:26,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:33:26,035 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:33:26,037 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:33:26,037 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:33:26,042 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:33:26,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:33:26" (1/1) ... [2024-11-28 04:33:26,046 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fd0f59f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:26, skipping insertion in model container [2024-11-28 04:33:26,046 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:33:26" (1/1) ... [2024-11-28 04:33:26,100 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:33:26,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:33:26,643 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:33:26,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:33:26,760 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:33:26,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:26 WrapperNode [2024-11-28 04:33:26,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:33:26,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:33:26,762 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:33:26,762 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:33:26,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:26" (1/1) ... [2024-11-28 04:33:26,799 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:26" (1/1) ... [2024-11-28 04:33:26,840 INFO L138 Inliner]: procedures = 271, calls = 38, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 102 [2024-11-28 04:33:26,841 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:33:26,842 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:33:26,842 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:33:26,842 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:33:26,851 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:26" (1/1) ... [2024-11-28 04:33:26,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:26" (1/1) ... [2024-11-28 04:33:26,863 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:26" (1/1) ... [2024-11-28 04:33:26,889 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 5, 5]. 42 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 5, 5]. The 0 writes are split as follows [0, 0, 0]. [2024-11-28 04:33:26,889 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:26" (1/1) ... [2024-11-28 04:33:26,890 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:26" (1/1) ... [2024-11-28 04:33:26,906 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:26" (1/1) ... [2024-11-28 04:33:26,911 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:26" (1/1) ... [2024-11-28 04:33:26,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:26" (1/1) ... [2024-11-28 04:33:26,926 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:26" (1/1) ... [2024-11-28 04:33:26,931 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:26" (1/1) ... [2024-11-28 04:33:26,940 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:33:26,940 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:33:26,941 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:33:26,941 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:33:26,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:26" (1/1) ... [2024-11-28 04:33:26,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:33:26,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f781d19-6ed2-4856-85d5-5e6ac1f6f6fe/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:33:26,988 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f781d19-6ed2-4856-85d5-5e6ac1f6f6fe/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:33:26,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f781d19-6ed2-4856-85d5-5e6ac1f6f6fe/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:33:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure generate [2024-11-28 04:33:27,014 INFO L138 BoogieDeclarations]: Found implementation of procedure generate [2024-11-28 04:33:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-28 04:33:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-28 04:33:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:33:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure dispose [2024-11-28 04:33:27,015 INFO L138 BoogieDeclarations]: Found implementation of procedure dispose [2024-11-28 04:33:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure process [2024-11-28 04:33:27,015 INFO L138 BoogieDeclarations]: Found implementation of procedure process [2024-11-28 04:33:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:33:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 04:33:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 04:33:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:33:27,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:33:27,017 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 04:33:27,359 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:33:27,363 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:33:27,738 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 04:33:27,738 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:33:27,977 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:33:27,978 INFO L312 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-28 04:33:27,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:27 BoogieIcfgContainer [2024-11-28 04:33:27,979 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:33:27,982 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:33:27,982 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:33:27,988 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:33:27,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:33:26" (1/3) ... [2024-11-28 04:33:27,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@407e0e01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:33:27, skipping insertion in model container [2024-11-28 04:33:27,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:26" (2/3) ... [2024-11-28 04:33:27,993 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@407e0e01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:33:27, skipping insertion in model container [2024-11-28 04:33:27,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:27" (3/3) ... [2024-11-28 04:33:27,994 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_04-priv_multi_true.i [2024-11-28 04:33:28,011 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:33:28,013 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_04-priv_multi_true.i that has 4 procedures, 62 locations, 1 initial locations, 4 loop locations, and 3 error locations. [2024-11-28 04:33:28,013 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 04:33:28,094 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 04:33:28,140 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 71 places, 73 transitions, 158 flow [2024-11-28 04:33:28,205 INFO L124 PetriNetUnfolderBase]: 12/70 cut-off events. [2024-11-28 04:33:28,209 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:33:28,219 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 70 events. 12/70 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 175 event pairs, 0 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 72. Up to 2 conditions per place. [2024-11-28 04:33:28,219 INFO L82 GeneralOperation]: Start removeDead. Operand has 71 places, 73 transitions, 158 flow [2024-11-28 04:33:28,225 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 68 places, 70 transitions, 149 flow [2024-11-28 04:33:28,238 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:33:28,259 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;@1056d1ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:33:28,260 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-28 04:33:28,284 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 04:33:28,285 INFO L124 PetriNetUnfolderBase]: 4/34 cut-off events. [2024-11-28 04:33:28,285 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:33:28,285 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:33:28,285 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:33:28,286 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-28 04:33:28,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:28,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1946485087, now seen corresponding path program 1 times [2024-11-28 04:33:28,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:33:28,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384337086] [2024-11-28 04:33:28,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:28,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:33:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:28,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:33:28,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:33:28,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384337086] [2024-11-28 04:33:28,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384337086] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:33:28,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:33:28,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:33:28,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136174926] [2024-11-28 04:33:28,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:33:28,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:33:28,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:33:28,872 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:33:28,872 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:33:28,880 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 73 [2024-11-28 04:33:28,883 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 70 transitions, 149 flow. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2024-11-28 04:33:28,883 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:33:28,883 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 73 [2024-11-28 04:33:28,885 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:33:34,101 INFO L124 PetriNetUnfolderBase]: 24208/38196 cut-off events. [2024-11-28 04:33:34,101 INFO L125 PetriNetUnfolderBase]: For 43/43 co-relation queries the response was YES. [2024-11-28 04:33:34,229 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70581 conditions, 38196 events. 24208/38196 cut-off events. For 43/43 co-relation queries the response was YES. Maximal size of possible extension queue 963. Compared 288932 event pairs, 12107 based on Foata normal form. 4212/42162 useless extension candidates. Maximal degree in co-relation 70570. Up to 18819 conditions per place. [2024-11-28 04:33:34,413 INFO L140 encePairwiseOnDemand]: 62/73 looper letters, 67 selfloop transitions, 2 changer transitions 0/88 dead transitions. [2024-11-28 04:33:34,414 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 88 transitions, 323 flow [2024-11-28 04:33:34,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:33:34,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:33:34,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 152 transitions. [2024-11-28 04:33:34,434 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6940639269406392 [2024-11-28 04:33:34,436 INFO L175 Difference]: Start difference. First operand has 68 places, 70 transitions, 149 flow. Second operand 3 states and 152 transitions. [2024-11-28 04:33:34,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 88 transitions, 323 flow [2024-11-28 04:33:34,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 88 transitions, 320 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-28 04:33:34,454 INFO L231 Difference]: Finished difference. Result has 62 places, 59 transitions, 134 flow [2024-11-28 04:33:34,458 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=134, PETRI_PLACES=62, PETRI_TRANSITIONS=59} [2024-11-28 04:33:34,464 INFO L279 CegarLoopForPetriNet]: 68 programPoint places, -6 predicate places. [2024-11-28 04:33:34,465 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 59 transitions, 134 flow [2024-11-28 04:33:34,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2024-11-28 04:33:34,465 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:33:34,465 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:33:34,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:33:34,467 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting disposeErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-28 04:33:34,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:34,468 INFO L85 PathProgramCache]: Analyzing trace with hash -2019050825, now seen corresponding path program 1 times [2024-11-28 04:33:34,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:33:34,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312581529] [2024-11-28 04:33:34,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:34,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:33:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:35,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:33:35,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:33:35,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312581529] [2024-11-28 04:33:35,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312581529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:33:35,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:33:35,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:33:35,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128968815] [2024-11-28 04:33:35,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:33:35,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:33:35,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:33:35,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:33:35,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:33:35,137 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 73 [2024-11-28 04:33:35,138 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 59 transitions, 134 flow. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 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) [2024-11-28 04:33:35,138 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:33:35,138 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 73 [2024-11-28 04:33:35,138 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:33:42,150 INFO L124 PetriNetUnfolderBase]: 62560/90732 cut-off events. [2024-11-28 04:33:42,150 INFO L125 PetriNetUnfolderBase]: For 5890/5890 co-relation queries the response was YES. [2024-11-28 04:33:42,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 177578 conditions, 90732 events. 62560/90732 cut-off events. For 5890/5890 co-relation queries the response was YES. Maximal size of possible extension queue 1950. Compared 653938 event pairs, 9196 based on Foata normal form. 0/87774 useless extension candidates. Maximal degree in co-relation 177568. Up to 33793 conditions per place. [2024-11-28 04:33:42,635 INFO L140 encePairwiseOnDemand]: 65/73 looper letters, 196 selfloop transitions, 12 changer transitions 0/225 dead transitions. [2024-11-28 04:33:42,635 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 225 transitions, 944 flow [2024-11-28 04:33:42,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:33:42,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-28 04:33:42,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 365 transitions. [2024-11-28 04:33:42,643 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.625 [2024-11-28 04:33:42,643 INFO L175 Difference]: Start difference. First operand has 62 places, 59 transitions, 134 flow. Second operand 8 states and 365 transitions. [2024-11-28 04:33:42,643 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 225 transitions, 944 flow [2024-11-28 04:33:42,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 225 transitions, 930 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:33:42,668 INFO L231 Difference]: Finished difference. Result has 74 places, 69 transitions, 220 flow [2024-11-28 04:33:42,669 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=220, PETRI_PLACES=74, PETRI_TRANSITIONS=69} [2024-11-28 04:33:42,670 INFO L279 CegarLoopForPetriNet]: 68 programPoint places, 6 predicate places. [2024-11-28 04:33:42,670 INFO L471 AbstractCegarLoop]: Abstraction has has 74 places, 69 transitions, 220 flow [2024-11-28 04:33:42,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 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) [2024-11-28 04:33:42,671 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:33:42,671 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:33:42,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:33:42,672 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-28 04:33:42,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:42,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1119776429, now seen corresponding path program 1 times [2024-11-28 04:33:42,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:33:42,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858064874] [2024-11-28 04:33:42,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:42,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:33:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:43,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:33:43,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:33:43,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858064874] [2024-11-28 04:33:43,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858064874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:33:43,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:33:43,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:33:43,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336047886] [2024-11-28 04:33:43,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:33:43,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:33:43,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:33:43,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:33:43,261 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 04:33:43,271 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 73 [2024-11-28 04:33:43,271 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 69 transitions, 220 flow. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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) [2024-11-28 04:33:43,271 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:33:43,271 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 73 [2024-11-28 04:33:43,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:33:51,201 INFO L124 PetriNetUnfolderBase]: 68374/102270 cut-off events. [2024-11-28 04:33:51,201 INFO L125 PetriNetUnfolderBase]: For 38714/40058 co-relation queries the response was YES. [2024-11-28 04:33:51,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 226959 conditions, 102270 events. 68374/102270 cut-off events. For 38714/40058 co-relation queries the response was YES. Maximal size of possible extension queue 2207. Compared 788900 event pairs, 14011 based on Foata normal form. 0/99640 useless extension candidates. Maximal degree in co-relation 226942. Up to 69157 conditions per place. [2024-11-28 04:33:51,691 INFO L140 encePairwiseOnDemand]: 66/73 looper letters, 117 selfloop transitions, 9 changer transitions 0/145 dead transitions. [2024-11-28 04:33:51,691 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 145 transitions, 723 flow [2024-11-28 04:33:51,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:33:51,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 04:33:51,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 211 transitions. [2024-11-28 04:33:51,693 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5780821917808219 [2024-11-28 04:33:51,693 INFO L175 Difference]: Start difference. First operand has 74 places, 69 transitions, 220 flow. Second operand 5 states and 211 transitions. [2024-11-28 04:33:51,694 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 145 transitions, 723 flow [2024-11-28 04:33:52,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 145 transitions, 723 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:33:52,803 INFO L231 Difference]: Finished difference. Result has 82 places, 76 transitions, 286 flow [2024-11-28 04:33:52,803 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=63, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=286, PETRI_PLACES=82, PETRI_TRANSITIONS=76} [2024-11-28 04:33:52,804 INFO L279 CegarLoopForPetriNet]: 68 programPoint places, 14 predicate places. [2024-11-28 04:33:52,804 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 76 transitions, 286 flow [2024-11-28 04:33:52,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 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) [2024-11-28 04:33:52,805 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:33:52,805 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:33:52,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:33:52,805 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-28 04:33:52,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:33:52,806 INFO L85 PathProgramCache]: Analyzing trace with hash -516579203, now seen corresponding path program 1 times [2024-11-28 04:33:52,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:33:52,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068115754] [2024-11-28 04:33:52,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:33:52,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:33:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:33:52,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:33:52,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:33:52,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068115754] [2024-11-28 04:33:52,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068115754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:33:52,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:33:52,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 04:33:52,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161900987] [2024-11-28 04:33:52,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:33:52,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:33:52,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:33:52,955 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:33:52,955 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:33:52,955 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 22 out of 73 [2024-11-28 04:33:52,956 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 76 transitions, 286 flow. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 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) [2024-11-28 04:33:52,956 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:33:52,956 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 22 of 73 [2024-11-28 04:33:52,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:34:07,081 INFO L124 PetriNetUnfolderBase]: 101017/157238 cut-off events. [2024-11-28 04:34:07,081 INFO L125 PetriNetUnfolderBase]: For 127814/132176 co-relation queries the response was YES. [2024-11-28 04:34:07,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 397491 conditions, 157238 events. 101017/157238 cut-off events. For 127814/132176 co-relation queries the response was YES. Maximal size of possible extension queue 3614. Compared 1348239 event pairs, 23779 based on Foata normal form. 6692/162931 useless extension candidates. Maximal degree in co-relation 397468. Up to 81023 conditions per place. [2024-11-28 04:34:08,094 INFO L140 encePairwiseOnDemand]: 62/73 looper letters, 94 selfloop transitions, 11 changer transitions 0/126 dead transitions. [2024-11-28 04:34:08,094 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 126 transitions, 705 flow [2024-11-28 04:34:08,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:34:08,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:34:08,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 142 transitions. [2024-11-28 04:34:08,095 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6484018264840182 [2024-11-28 04:34:08,095 INFO L175 Difference]: Start difference. First operand has 82 places, 76 transitions, 286 flow. Second operand 3 states and 142 transitions. [2024-11-28 04:34:08,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 126 transitions, 705 flow [2024-11-28 04:34:12,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 126 transitions, 705 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 04:34:12,124 INFO L231 Difference]: Finished difference. Result has 85 places, 84 transitions, 351 flow [2024-11-28 04:34:12,124 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=351, PETRI_PLACES=85, PETRI_TRANSITIONS=84} [2024-11-28 04:34:12,124 INFO L279 CegarLoopForPetriNet]: 68 programPoint places, 17 predicate places. [2024-11-28 04:34:12,124 INFO L471 AbstractCegarLoop]: Abstraction has has 85 places, 84 transitions, 351 flow [2024-11-28 04:34:12,125 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 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) [2024-11-28 04:34:12,125 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:34:12,125 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:34:12,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:34:12,125 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-11-28 04:34:12,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:34:12,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1279284022, now seen corresponding path program 1 times [2024-11-28 04:34:12,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:34:12,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425899784] [2024-11-28 04:34:12,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:34:12,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:34:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:34:12,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:34:12,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:34:12,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425899784] [2024-11-28 04:34:12,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425899784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:34:12,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:34:12,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:34:12,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4515449] [2024-11-28 04:34:12,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:34:12,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:34:12,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:34:12,327 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:34:12,328 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:34:12,334 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 73 [2024-11-28 04:34:12,334 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 84 transitions, 351 flow. Second operand has 5 states, 5 states have (on average 23.0) internal successors, (115), 5 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) [2024-11-28 04:34:12,334 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:34:12,335 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 73 [2024-11-28 04:34:12,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand