./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX --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 81147b3e42a82bd92b2fd1c17836bc41bf8598e66ad2317620561a8ac507fa9a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:24:28,282 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:24:28,363 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-08 17:24:28,369 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:24:28,369 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:24:28,400 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:24:28,401 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:24:28,401 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:24:28,402 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:24:28,403 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:24:28,407 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:24:28,408 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:24:28,409 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:24:28,409 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:24:28,410 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:24:28,411 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:24:28,412 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:24:28,416 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:24:28,417 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:24:28,417 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:24:28,418 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-08 17:24:28,420 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-08 17:24:28,421 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-08 17:24:28,421 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:24:28,422 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:24:28,422 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:24:28,422 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:24:28,423 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:24:28,423 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:24:28,423 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:24:28,424 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:24:28,425 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:24:28,426 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:24:28,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:24:28,427 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:24:28,427 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:24:28,428 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:24:28,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:24:28,428 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:24:28,429 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:24:28,429 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:24:28,430 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:24:28,431 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81147b3e42a82bd92b2fd1c17836bc41bf8598e66ad2317620561a8ac507fa9a [2024-11-08 17:24:28,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:24:28,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:24:28,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:24:28,809 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:24:28,810 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:24:28,812 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i Unable to find full path for "g++" [2024-11-08 17:24:31,221 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:24:31,559 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:24:31,560 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-1.i [2024-11-08 17:24:31,603 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/data/748564d99/2a4618eabfef493ead31ffa1fa2d174c/FLAG89e786107 [2024-11-08 17:24:31,625 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/data/748564d99/2a4618eabfef493ead31ffa1fa2d174c [2024-11-08 17:24:31,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:24:31,630 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:24:31,634 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:24:31,636 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:24:31,644 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:24:31,645 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:24:31" (1/1) ... [2024-11-08 17:24:31,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f0daf33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:31, skipping insertion in model container [2024-11-08 17:24:31,647 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:24:31" (1/1) ... [2024-11-08 17:24:31,741 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:24:32,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:24:32,573 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:24:32,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:24:32,853 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:24:32,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:32 WrapperNode [2024-11-08 17:24:32,854 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:24:32,855 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:24:32,856 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:24:32,857 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:24:32,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:32" (1/1) ... [2024-11-08 17:24:32,899 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:32" (1/1) ... [2024-11-08 17:24:32,938 INFO L138 Inliner]: procedures = 364, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2024-11-08 17:24:32,938 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:24:32,940 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:24:32,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:24:32,941 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:24:32,955 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:32" (1/1) ... [2024-11-08 17:24:32,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:32" (1/1) ... [2024-11-08 17:24:32,961 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:32" (1/1) ... [2024-11-08 17:24:32,994 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5]. The 0 writes are split as follows [0, 0]. [2024-11-08 17:24:32,995 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:32" (1/1) ... [2024-11-08 17:24:32,996 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:32" (1/1) ... [2024-11-08 17:24:33,007 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:32" (1/1) ... [2024-11-08 17:24:33,016 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:32" (1/1) ... [2024-11-08 17:24:33,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:32" (1/1) ... [2024-11-08 17:24:33,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:32" (1/1) ... [2024-11-08 17:24:33,029 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:24:33,033 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:24:33,034 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:24:33,036 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:24:33,037 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:32" (1/1) ... [2024-11-08 17:24:33,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:24:33,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:24:33,074 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:24:33,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:24:33,113 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-08 17:24:33,114 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-08 17:24:33,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:24:33,114 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_mutex [2024-11-08 17:24:33,114 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_mutex [2024-11-08 17:24:33,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:24:33,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 17:24:33,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:24:33,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:24:33,117 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 17:24:33,292 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:24:33,295 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:24:33,517 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 17:24:33,517 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:24:33,734 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:24:33,734 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:24:33,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:24:33 BoogieIcfgContainer [2024-11-08 17:24:33,735 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:24:33,738 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:24:33,739 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:24:33,744 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:24:33,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:24:31" (1/3) ... [2024-11-08 17:24:33,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30e17547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:24:33, skipping insertion in model container [2024-11-08 17:24:33,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:24:32" (2/3) ... [2024-11-08 17:24:33,747 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30e17547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:24:33, skipping insertion in model container [2024-11-08 17:24:33,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:24:33" (3/3) ... [2024-11-08 17:24:33,749 INFO L112 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-1.i [2024-11-08 17:24:33,773 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:24:33,774 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 17:24:33,774 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 17:24:33,816 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-08 17:24:33,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 32 places, 34 transitions, 75 flow [2024-11-08 17:24:33,891 INFO L124 PetriNetUnfolderBase]: 6/33 cut-off events. [2024-11-08 17:24:33,891 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 17:24:33,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 33 events. 6/33 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 48 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 19. Up to 2 conditions per place. [2024-11-08 17:24:33,895 INFO L82 GeneralOperation]: Start removeDead. Operand has 32 places, 34 transitions, 75 flow [2024-11-08 17:24:33,899 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 30 places, 32 transitions, 70 flow [2024-11-08 17:24:33,911 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:24:33,919 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;@31d6f20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:24:33,920 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-08 17:24:33,932 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-08 17:24:33,933 INFO L124 PetriNetUnfolderBase]: 6/30 cut-off events. [2024-11-08 17:24:33,933 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 17:24:33,933 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:24:33,934 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:24:33,934 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 17:24:33,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:24:33,941 INFO L85 PathProgramCache]: Analyzing trace with hash -719376708, now seen corresponding path program 1 times [2024-11-08 17:24:33,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:24:33,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73572096] [2024-11-08 17:24:33,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:24:33,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:24:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:34,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:24:34,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:24:34,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73572096] [2024-11-08 17:24:34,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73572096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:24:34,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:24:34,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:24:34,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556881571] [2024-11-08 17:24:34,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:24:34,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:24:34,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:24:34,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:24:34,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:24:34,385 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 34 [2024-11-08 17:24:34,388 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 32 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2024-11-08 17:24:34,388 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:24:34,388 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 34 [2024-11-08 17:24:34,390 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:24:34,529 INFO L124 PetriNetUnfolderBase]: 68/150 cut-off events. [2024-11-08 17:24:34,529 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-08 17:24:34,530 INFO L83 FinitePrefix]: Finished finitePrefix Result has 287 conditions, 150 events. 68/150 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 486 event pairs, 25 based on Foata normal form. 15/161 useless extension candidates. Maximal degree in co-relation 268. Up to 84 conditions per place. [2024-11-08 17:24:34,533 INFO L140 encePairwiseOnDemand]: 27/34 looper letters, 26 selfloop transitions, 2 changer transitions 1/37 dead transitions. [2024-11-08 17:24:34,534 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 37 transitions, 136 flow [2024-11-08 17:24:34,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:24:34,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:24:34,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 66 transitions. [2024-11-08 17:24:34,554 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6470588235294118 [2024-11-08 17:24:34,557 INFO L175 Difference]: Start difference. First operand has 30 places, 32 transitions, 70 flow. Second operand 3 states and 66 transitions. [2024-11-08 17:24:34,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 37 transitions, 136 flow [2024-11-08 17:24:34,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 37 transitions, 132 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-08 17:24:34,568 INFO L231 Difference]: Finished difference. Result has 28 places, 27 transitions, 68 flow [2024-11-08 17:24:34,571 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=28, PETRI_TRANSITIONS=27} [2024-11-08 17:24:34,579 INFO L277 CegarLoopForPetriNet]: 30 programPoint places, -2 predicate places. [2024-11-08 17:24:34,579 INFO L471 AbstractCegarLoop]: Abstraction has has 28 places, 27 transitions, 68 flow [2024-11-08 17:24:34,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2024-11-08 17:24:34,580 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:24:34,580 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:24:34,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:24:34,581 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 17:24:34,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:24:34,582 INFO L85 PathProgramCache]: Analyzing trace with hash -9460513, now seen corresponding path program 1 times [2024-11-08 17:24:34,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:24:34,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235477290] [2024-11-08 17:24:34,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:24:34,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:24:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:34,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:24:34,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:24:34,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235477290] [2024-11-08 17:24:34,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235477290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:24:34,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:24:34,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:24:34,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645141468] [2024-11-08 17:24:34,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:24:34,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:24:34,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:24:34,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:24:34,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:24:34,741 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 34 [2024-11-08 17:24:34,741 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 27 transitions, 68 flow. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2024-11-08 17:24:34,742 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:24:34,742 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 34 [2024-11-08 17:24:34,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:24:34,914 INFO L124 PetriNetUnfolderBase]: 112/252 cut-off events. [2024-11-08 17:24:34,914 INFO L125 PetriNetUnfolderBase]: For 47/47 co-relation queries the response was YES. [2024-11-08 17:24:34,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 519 conditions, 252 events. 112/252 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 945 event pairs, 48 based on Foata normal form. 18/264 useless extension candidates. Maximal degree in co-relation 99. Up to 141 conditions per place. [2024-11-08 17:24:34,918 INFO L140 encePairwiseOnDemand]: 30/34 looper letters, 27 selfloop transitions, 2 changer transitions 0/37 dead transitions. [2024-11-08 17:24:34,919 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 37 transitions, 154 flow [2024-11-08 17:24:34,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:24:34,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:24:34,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 62 transitions. [2024-11-08 17:24:34,921 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6078431372549019 [2024-11-08 17:24:34,921 INFO L175 Difference]: Start difference. First operand has 28 places, 27 transitions, 68 flow. Second operand 3 states and 62 transitions. [2024-11-08 17:24:34,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 37 transitions, 154 flow [2024-11-08 17:24:34,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 37 transitions, 150 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 17:24:34,924 INFO L231 Difference]: Finished difference. Result has 29 places, 28 transitions, 80 flow [2024-11-08 17:24:34,924 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=80, PETRI_PLACES=29, PETRI_TRANSITIONS=28} [2024-11-08 17:24:34,925 INFO L277 CegarLoopForPetriNet]: 30 programPoint places, -1 predicate places. [2024-11-08 17:24:34,926 INFO L471 AbstractCegarLoop]: Abstraction has has 29 places, 28 transitions, 80 flow [2024-11-08 17:24:34,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2024-11-08 17:24:34,926 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:24:34,927 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] [2024-11-08 17:24:34,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:24:34,927 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 17:24:34,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:24:34,928 INFO L85 PathProgramCache]: Analyzing trace with hash 938995774, now seen corresponding path program 1 times [2024-11-08 17:24:34,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:24:34,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622639903] [2024-11-08 17:24:34,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:24:34,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:24:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:35,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:24:35,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:24:35,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622639903] [2024-11-08 17:24:35,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622639903] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:24:35,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507438067] [2024-11-08 17:24:35,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:24:35,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:24:35,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:24:35,109 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:24:35,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:24:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:35,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:24:35,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:24:35,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:24:35,363 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:24:35,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:24:35,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1507438067] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:24:35,439 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:24:35,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-08 17:24:35,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609219739] [2024-11-08 17:24:35,440 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:24:35,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:24:35,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:24:35,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:24:35,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:24:35,472 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 34 [2024-11-08 17:24:35,472 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 28 transitions, 80 flow. Second operand has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 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) [2024-11-08 17:24:35,473 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:24:35,473 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 34 [2024-11-08 17:24:35,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:24:35,769 INFO L124 PetriNetUnfolderBase]: 261/545 cut-off events. [2024-11-08 17:24:35,769 INFO L125 PetriNetUnfolderBase]: For 102/102 co-relation queries the response was YES. [2024-11-08 17:24:35,773 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1223 conditions, 545 events. 261/545 cut-off events. For 102/102 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2010 event pairs, 48 based on Foata normal form. 54/597 useless extension candidates. Maximal degree in co-relation 422. Up to 117 conditions per place. [2024-11-08 17:24:35,780 INFO L140 encePairwiseOnDemand]: 29/34 looper letters, 57 selfloop transitions, 6 changer transitions 0/69 dead transitions. [2024-11-08 17:24:35,780 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 69 transitions, 314 flow [2024-11-08 17:24:35,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:24:35,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 17:24:35,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 118 transitions. [2024-11-08 17:24:35,782 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5784313725490197 [2024-11-08 17:24:35,782 INFO L175 Difference]: Start difference. First operand has 29 places, 28 transitions, 80 flow. Second operand 6 states and 118 transitions. [2024-11-08 17:24:35,782 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 69 transitions, 314 flow [2024-11-08 17:24:35,784 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 69 transitions, 312 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 17:24:35,786 INFO L231 Difference]: Finished difference. Result has 37 places, 30 transitions, 114 flow [2024-11-08 17:24:35,787 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=114, PETRI_PLACES=37, PETRI_TRANSITIONS=30} [2024-11-08 17:24:35,788 INFO L277 CegarLoopForPetriNet]: 30 programPoint places, 7 predicate places. [2024-11-08 17:24:35,788 INFO L471 AbstractCegarLoop]: Abstraction has has 37 places, 30 transitions, 114 flow [2024-11-08 17:24:35,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 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) [2024-11-08 17:24:35,788 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:24:35,788 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:24:35,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:24:35,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:24:35,993 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 17:24:35,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:24:35,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1856505987, now seen corresponding path program 2 times [2024-11-08 17:24:35,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:24:35,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99064835] [2024-11-08 17:24:35,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:24:35,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:24:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:36,378 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-08 17:24:36,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:24:36,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99064835] [2024-11-08 17:24:36,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99064835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:24:36,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:24:36,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:24:36,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567635020] [2024-11-08 17:24:36,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:24:36,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:24:36,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:24:36,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:24:36,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:24:36,383 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 34 [2024-11-08 17:24:36,383 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 30 transitions, 114 flow. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-11-08 17:24:36,383 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:24:36,384 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 34 [2024-11-08 17:24:36,384 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:24:36,508 INFO L124 PetriNetUnfolderBase]: 107/304 cut-off events. [2024-11-08 17:24:36,508 INFO L125 PetriNetUnfolderBase]: For 244/244 co-relation queries the response was YES. [2024-11-08 17:24:36,509 INFO L83 FinitePrefix]: Finished finitePrefix Result has 792 conditions, 304 events. 107/304 cut-off events. For 244/244 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 998 event pairs, 40 based on Foata normal form. 32/333 useless extension candidates. Maximal degree in co-relation 481. Up to 132 conditions per place. [2024-11-08 17:24:36,513 INFO L140 encePairwiseOnDemand]: 30/34 looper letters, 25 selfloop transitions, 4 changer transitions 0/39 dead transitions. [2024-11-08 17:24:36,514 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 39 transitions, 224 flow [2024-11-08 17:24:36,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:24:36,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-08 17:24:36,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 62 transitions. [2024-11-08 17:24:36,517 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6078431372549019 [2024-11-08 17:24:36,517 INFO L175 Difference]: Start difference. First operand has 37 places, 30 transitions, 114 flow. Second operand 3 states and 62 transitions. [2024-11-08 17:24:36,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 39 transitions, 224 flow [2024-11-08 17:24:36,520 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 39 transitions, 208 flow, removed 6 selfloop flow, removed 1 redundant places. [2024-11-08 17:24:36,523 INFO L231 Difference]: Finished difference. Result has 38 places, 30 transitions, 114 flow [2024-11-08 17:24:36,524 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=114, PETRI_PLACES=38, PETRI_TRANSITIONS=30} [2024-11-08 17:24:36,525 INFO L277 CegarLoopForPetriNet]: 30 programPoint places, 8 predicate places. [2024-11-08 17:24:36,525 INFO L471 AbstractCegarLoop]: Abstraction has has 38 places, 30 transitions, 114 flow [2024-11-08 17:24:36,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2024-11-08 17:24:36,525 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:24:36,526 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:24:36,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:24:36,526 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 17:24:36,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:24:36,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1042485531, now seen corresponding path program 3 times [2024-11-08 17:24:36,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:24:36,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439011282] [2024-11-08 17:24:36,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:24:36,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:24:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:36,680 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 17:24:36,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:24:36,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439011282] [2024-11-08 17:24:36,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439011282] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:24:36,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345105491] [2024-11-08 17:24:36,682 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 17:24:36,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:24:36,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:24:36,684 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:24:36,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 17:24:36,821 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-08 17:24:36,821 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 17:24:36,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:24:36,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:24:36,877 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 17:24:36,881 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:24:36,945 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 17:24:36,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345105491] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:24:36,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:24:36,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-08 17:24:36,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815358922] [2024-11-08 17:24:36,950 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:24:36,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:24:36,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:24:36,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:24:36,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:24:36,973 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 34 [2024-11-08 17:24:36,974 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 30 transitions, 114 flow. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 7 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) [2024-11-08 17:24:36,974 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:24:36,974 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 34 [2024-11-08 17:24:36,975 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:24:37,304 INFO L124 PetriNetUnfolderBase]: 361/834 cut-off events. [2024-11-08 17:24:37,305 INFO L125 PetriNetUnfolderBase]: For 573/573 co-relation queries the response was YES. [2024-11-08 17:24:37,308 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2300 conditions, 834 events. 361/834 cut-off events. For 573/573 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 3867 event pairs, 28 based on Foata normal form. 114/939 useless extension candidates. Maximal degree in co-relation 1495. Up to 193 conditions per place. [2024-11-08 17:24:37,314 INFO L140 encePairwiseOnDemand]: 29/34 looper letters, 71 selfloop transitions, 6 changer transitions 0/83 dead transitions. [2024-11-08 17:24:37,314 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 83 transitions, 484 flow [2024-11-08 17:24:37,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:24:37,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-08 17:24:37,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 122 transitions. [2024-11-08 17:24:37,316 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5980392156862745 [2024-11-08 17:24:37,316 INFO L175 Difference]: Start difference. First operand has 38 places, 30 transitions, 114 flow. Second operand 6 states and 122 transitions. [2024-11-08 17:24:37,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 83 transitions, 484 flow [2024-11-08 17:24:37,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 83 transitions, 466 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-08 17:24:37,326 INFO L231 Difference]: Finished difference. Result has 46 places, 32 transitions, 146 flow [2024-11-08 17:24:37,328 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=146, PETRI_PLACES=46, PETRI_TRANSITIONS=32} [2024-11-08 17:24:37,329 INFO L277 CegarLoopForPetriNet]: 30 programPoint places, 16 predicate places. [2024-11-08 17:24:37,329 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 32 transitions, 146 flow [2024-11-08 17:24:37,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 7 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) [2024-11-08 17:24:37,330 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:24:37,330 INFO L204 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:24:37,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 17:24:37,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:24:37,532 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 17:24:37,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:24:37,532 INFO L85 PathProgramCache]: Analyzing trace with hash 970750086, now seen corresponding path program 4 times [2024-11-08 17:24:37,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:24:37,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473459854] [2024-11-08 17:24:37,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:24:37,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:24:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:37,804 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 17:24:37,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:24:37,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473459854] [2024-11-08 17:24:37,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473459854] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:24:37,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159580717] [2024-11-08 17:24:37,807 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-08 17:24:37,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:24:37,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:24:37,810 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:24:37,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 17:24:37,999 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-08 17:24:37,999 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 17:24:38,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 17:24:38,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:24:38,152 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 17:24:38,153 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:24:38,357 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 17:24:38,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159580717] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:24:38,361 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:24:38,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-08 17:24:38,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186196138] [2024-11-08 17:24:38,362 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:24:38,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 17:24:38,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:24:38,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 17:24:38,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:24:38,376 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 34 [2024-11-08 17:24:38,377 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 32 transitions, 146 flow. Second operand has 13 states, 13 states have (on average 14.846153846153847) internal successors, (193), 13 states have internal predecessors, (193), 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) [2024-11-08 17:24:38,377 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:24:38,377 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 34 [2024-11-08 17:24:38,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:24:39,066 INFO L124 PetriNetUnfolderBase]: 817/1876 cut-off events. [2024-11-08 17:24:39,066 INFO L125 PetriNetUnfolderBase]: For 2257/2257 co-relation queries the response was YES. [2024-11-08 17:24:39,074 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5703 conditions, 1876 events. 817/1876 cut-off events. For 2257/2257 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 9342 event pairs, 28 based on Foata normal form. 114/1983 useless extension candidates. Maximal degree in co-relation 3729. Up to 315 conditions per place. [2024-11-08 17:24:39,084 INFO L140 encePairwiseOnDemand]: 30/34 looper letters, 155 selfloop transitions, 12 changer transitions 0/173 dead transitions. [2024-11-08 17:24:39,084 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 173 transitions, 1066 flow [2024-11-08 17:24:39,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 17:24:39,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-08 17:24:39,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 248 transitions. [2024-11-08 17:24:39,089 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6078431372549019 [2024-11-08 17:24:39,089 INFO L175 Difference]: Start difference. First operand has 46 places, 32 transitions, 146 flow. Second operand 12 states and 248 transitions. [2024-11-08 17:24:39,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 173 transitions, 1066 flow [2024-11-08 17:24:39,100 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 173 transitions, 1046 flow, removed 9 selfloop flow, removed 1 redundant places. [2024-11-08 17:24:39,103 INFO L231 Difference]: Finished difference. Result has 63 places, 39 transitions, 234 flow [2024-11-08 17:24:39,104 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=234, PETRI_PLACES=63, PETRI_TRANSITIONS=39} [2024-11-08 17:24:39,104 INFO L277 CegarLoopForPetriNet]: 30 programPoint places, 33 predicate places. [2024-11-08 17:24:39,105 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 39 transitions, 234 flow [2024-11-08 17:24:39,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 14.846153846153847) internal successors, (193), 13 states have internal predecessors, (193), 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) [2024-11-08 17:24:39,105 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:24:39,107 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:24:39,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-08 17:24:39,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:24:39,312 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 17:24:39,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:24:39,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1685808752, now seen corresponding path program 5 times [2024-11-08 17:24:39,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:24:39,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132603092] [2024-11-08 17:24:39,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:24:39,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:24:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:39,965 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 16 proven. 280 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 17:24:39,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:24:39,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132603092] [2024-11-08 17:24:39,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132603092] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:24:39,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490079662] [2024-11-08 17:24:39,966 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-08 17:24:39,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:24:39,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:24:39,969 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:24:39,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 17:24:40,193 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2024-11-08 17:24:40,194 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 17:24:40,197 INFO L255 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 17:24:40,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:24:40,410 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 16 proven. 280 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 17:24:40,411 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:24:40,860 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 16 proven. 280 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-08 17:24:40,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490079662] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:24:40,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:24:40,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 23 [2024-11-08 17:24:40,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445884349] [2024-11-08 17:24:40,861 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:24:40,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-08 17:24:40,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:24:40,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-08 17:24:40,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2024-11-08 17:24:40,910 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 34 [2024-11-08 17:24:40,911 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 39 transitions, 234 flow. Second operand has 23 states, 23 states have (on average 15.26086956521739) internal successors, (351), 23 states have internal predecessors, (351), 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) [2024-11-08 17:24:40,911 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:24:40,911 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 34 [2024-11-08 17:24:40,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:24:42,331 INFO L124 PetriNetUnfolderBase]: 1577/3616 cut-off events. [2024-11-08 17:24:42,331 INFO L125 PetriNetUnfolderBase]: For 11367/11367 co-relation queries the response was YES. [2024-11-08 17:24:42,344 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11998 conditions, 3616 events. 1577/3616 cut-off events. For 11367/11367 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 18567 event pairs, 28 based on Foata normal form. 190/3799 useless extension candidates. Maximal degree in co-relation 7885. Up to 615 conditions per place. [2024-11-08 17:24:42,364 INFO L140 encePairwiseOnDemand]: 30/34 looper letters, 295 selfloop transitions, 22 changer transitions 0/323 dead transitions. [2024-11-08 17:24:42,364 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 323 transitions, 2110 flow [2024-11-08 17:24:42,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-08 17:24:42,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-08 17:24:42,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 462 transitions. [2024-11-08 17:24:42,367 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6176470588235294 [2024-11-08 17:24:42,367 INFO L175 Difference]: Start difference. First operand has 63 places, 39 transitions, 234 flow. Second operand 22 states and 462 transitions. [2024-11-08 17:24:42,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 323 transitions, 2110 flow [2024-11-08 17:24:42,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 323 transitions, 2104 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-08 17:24:42,387 INFO L231 Difference]: Finished difference. Result has 92 places, 50 transitions, 428 flow [2024-11-08 17:24:42,388 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=428, PETRI_PLACES=92, PETRI_TRANSITIONS=50} [2024-11-08 17:24:42,389 INFO L277 CegarLoopForPetriNet]: 30 programPoint places, 62 predicate places. [2024-11-08 17:24:42,389 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 50 transitions, 428 flow [2024-11-08 17:24:42,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 15.26086956521739) internal successors, (351), 23 states have internal predecessors, (351), 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) [2024-11-08 17:24:42,390 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:24:42,390 INFO L204 CegarLoopForPetriNet]: trace histogram [20, 20, 20, 20, 20, 20, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:24:42,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 17:24:42,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:24:42,595 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 17:24:42,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:24:42,596 INFO L85 PathProgramCache]: Analyzing trace with hash 36068926, now seen corresponding path program 6 times [2024-11-08 17:24:42,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:24:42,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470180094] [2024-11-08 17:24:42,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:24:42,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:24:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:43,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 20 proven. 40 refuted. 0 times theorem prover too weak. 1140 trivial. 0 not checked. [2024-11-08 17:24:43,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:24:43,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470180094] [2024-11-08 17:24:43,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470180094] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:24:43,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052473402] [2024-11-08 17:24:43,065 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-08 17:24:43,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:24:43,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:24:43,068 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:24:43,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 17:24:43,285 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-11-08 17:24:43,286 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 17:24:43,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 17:24:43,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:24:43,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 20 proven. 40 refuted. 0 times theorem prover too weak. 1140 trivial. 0 not checked. [2024-11-08 17:24:43,590 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:24:43,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 20 proven. 40 refuted. 0 times theorem prover too weak. 1140 trivial. 0 not checked. [2024-11-08 17:24:43,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1052473402] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:24:43,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:24:43,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-08 17:24:43,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643093377] [2024-11-08 17:24:43,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:24:43,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 17:24:43,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:24:43,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 17:24:43,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:24:43,994 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 34 [2024-11-08 17:24:43,995 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 50 transitions, 428 flow. Second operand has 13 states, 13 states have (on average 15.153846153846153) internal successors, (197), 13 states have internal predecessors, (197), 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) [2024-11-08 17:24:43,995 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:24:43,995 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 34 [2024-11-08 17:24:43,996 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:24:46,594 INFO L124 PetriNetUnfolderBase]: 3595/8403 cut-off events. [2024-11-08 17:24:46,594 INFO L125 PetriNetUnfolderBase]: For 28244/28244 co-relation queries the response was YES. [2024-11-08 17:24:46,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29276 conditions, 8403 events. 3595/8403 cut-off events. For 28244/28244 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 53365 event pairs, 363 based on Foata normal form. 492/8883 useless extension candidates. Maximal degree in co-relation 26785. Up to 1344 conditions per place. [2024-11-08 17:24:46,694 INFO L140 encePairwiseOnDemand]: 30/34 looper letters, 321 selfloop transitions, 12 changer transitions 0/341 dead transitions. [2024-11-08 17:24:46,694 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 341 transitions, 3948 flow [2024-11-08 17:24:46,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 17:24:46,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-08 17:24:46,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 238 transitions. [2024-11-08 17:24:46,697 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5833333333333334 [2024-11-08 17:24:46,697 INFO L175 Difference]: Start difference. First operand has 92 places, 50 transitions, 428 flow. Second operand 12 states and 238 transitions. [2024-11-08 17:24:46,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 341 transitions, 3948 flow [2024-11-08 17:24:46,834 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 341 transitions, 3750 flow, removed 0 selfloop flow, removed 9 redundant places. [2024-11-08 17:24:46,840 INFO L231 Difference]: Finished difference. Result has 101 places, 57 transitions, 506 flow [2024-11-08 17:24:46,841 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=506, PETRI_PLACES=101, PETRI_TRANSITIONS=57} [2024-11-08 17:24:46,843 INFO L277 CegarLoopForPetriNet]: 30 programPoint places, 71 predicate places. [2024-11-08 17:24:46,843 INFO L471 AbstractCegarLoop]: Abstraction has has 101 places, 57 transitions, 506 flow [2024-11-08 17:24:46,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 15.153846153846153) internal successors, (197), 13 states have internal predecessors, (197), 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) [2024-11-08 17:24:46,845 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:24:46,846 INFO L204 CegarLoopForPetriNet]: trace histogram [20, 20, 20, 20, 20, 20, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:24:46,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-08 17:24:47,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:24:47,047 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 17:24:47,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:24:47,048 INFO L85 PathProgramCache]: Analyzing trace with hash -2139965770, now seen corresponding path program 7 times [2024-11-08 17:24:47,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:24:47,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990755678] [2024-11-08 17:24:47,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:24:47,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:24:47,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:47,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 39 proven. 280 refuted. 0 times theorem prover too weak. 1121 trivial. 0 not checked. [2024-11-08 17:24:47,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:24:47,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990755678] [2024-11-08 17:24:47,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990755678] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:24:47,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517339194] [2024-11-08 17:24:47,872 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-08 17:24:47,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:24:47,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:24:47,875 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:24:47,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-08 17:24:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:48,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 700 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 17:24:48,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:24:48,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 39 proven. 280 refuted. 0 times theorem prover too weak. 1121 trivial. 0 not checked. [2024-11-08 17:24:48,604 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:24:49,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 39 proven. 280 refuted. 0 times theorem prover too weak. 1121 trivial. 0 not checked. [2024-11-08 17:24:49,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517339194] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:24:49,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:24:49,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 23 [2024-11-08 17:24:49,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946166567] [2024-11-08 17:24:49,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:24:49,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-08 17:24:49,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:24:49,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-08 17:24:49,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2024-11-08 17:24:49,304 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 34 [2024-11-08 17:24:49,305 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 57 transitions, 506 flow. Second operand has 23 states, 23 states have (on average 15.304347826086957) internal successors, (352), 23 states have internal predecessors, (352), 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) [2024-11-08 17:24:49,305 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:24:49,305 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 34 [2024-11-08 17:24:49,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:24:54,161 INFO L124 PetriNetUnfolderBase]: 6847/15503 cut-off events. [2024-11-08 17:24:54,161 INFO L125 PetriNetUnfolderBase]: For 80720/80720 co-relation queries the response was YES. [2024-11-08 17:24:54,246 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58867 conditions, 15503 events. 6847/15503 cut-off events. For 80720/80720 co-relation queries the response was YES. Maximal size of possible extension queue 121. Compared 107545 event pairs, 203 based on Foata normal form. 820/16283 useless extension candidates. Maximal degree in co-relation 54339. Up to 2604 conditions per place. [2024-11-08 17:24:54,318 INFO L140 encePairwiseOnDemand]: 30/34 looper letters, 611 selfloop transitions, 22 changer transitions 0/641 dead transitions. [2024-11-08 17:24:54,318 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 641 transitions, 7214 flow [2024-11-08 17:24:54,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-08 17:24:54,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-08 17:24:54,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 442 transitions. [2024-11-08 17:24:54,321 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5909090909090909 [2024-11-08 17:24:54,321 INFO L175 Difference]: Start difference. First operand has 101 places, 57 transitions, 506 flow. Second operand 22 states and 442 transitions. [2024-11-08 17:24:54,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 641 transitions, 7214 flow [2024-11-08 17:24:54,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 641 transitions, 7208 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-08 17:24:54,578 INFO L231 Difference]: Finished difference. Result has 130 places, 68 transitions, 700 flow [2024-11-08 17:24:54,578 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=500, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=700, PETRI_PLACES=130, PETRI_TRANSITIONS=68} [2024-11-08 17:24:54,579 INFO L277 CegarLoopForPetriNet]: 30 programPoint places, 100 predicate places. [2024-11-08 17:24:54,580 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 68 transitions, 700 flow [2024-11-08 17:24:54,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 15.304347826086957) internal successors, (352), 23 states have internal predecessors, (352), 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) [2024-11-08 17:24:54,580 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:24:54,581 INFO L204 CegarLoopForPetriNet]: trace histogram [20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:24:54,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-08 17:24:54,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:24:54,787 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 17:24:54,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:24:54,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1618515634, now seen corresponding path program 8 times [2024-11-08 17:24:54,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:24:54,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723554831] [2024-11-08 17:24:54,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:24:54,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:24:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:24:59,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2320 backedges. 0 proven. 2320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:24:59,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:24:59,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723554831] [2024-11-08 17:24:59,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723554831] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:24:59,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539553880] [2024-11-08 17:24:59,750 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 17:24:59,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:24:59,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:24:59,753 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:24:59,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 17:25:00,111 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 17:25:00,112 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 17:25:00,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 920 conjuncts, 125 conjuncts are in the unsatisfiable core [2024-11-08 17:25:00,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:25:00,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2320 backedges. 0 proven. 2320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:25:00,757 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:25:01,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2320 backedges. 0 proven. 2320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 17:25:01,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539553880] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:25:01,310 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:25:01,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 43, 43] total 44 [2024-11-08 17:25:01,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209726585] [2024-11-08 17:25:01,311 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:25:01,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-11-08 17:25:01,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:25:01,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-11-08 17:25:01,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=1892, Unknown=0, NotChecked=0, Total=1980 [2024-11-08 17:25:01,317 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 34 [2024-11-08 17:25:01,318 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 68 transitions, 700 flow. Second operand has 45 states, 45 states have (on average 15.777777777777779) internal successors, (710), 45 states have internal predecessors, (710), 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) [2024-11-08 17:25:01,318 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:25:01,318 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 34 [2024-11-08 17:25:01,319 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:25:17,468 INFO L124 PetriNetUnfolderBase]: 8113/24363 cut-off events. [2024-11-08 17:25:17,468 INFO L125 PetriNetUnfolderBase]: For 192125/192125 co-relation queries the response was YES. [2024-11-08 17:25:17,674 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105708 conditions, 24363 events. 8113/24363 cut-off events. For 192125/192125 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 212274 event pairs, 945 based on Foata normal form. 1/24363 useless extension candidates. Maximal degree in co-relation 85528. Up to 3816 conditions per place. [2024-11-08 17:25:17,782 INFO L140 encePairwiseOnDemand]: 29/34 looper letters, 1538 selfloop transitions, 83 changer transitions 2/1637 dead transitions. [2024-11-08 17:25:17,782 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 1637 transitions, 19676 flow [2024-11-08 17:25:17,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-08 17:25:17,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2024-11-08 17:25:17,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 974 transitions. [2024-11-08 17:25:17,789 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6510695187165776 [2024-11-08 17:25:17,793 INFO L175 Difference]: Start difference. First operand has 130 places, 68 transitions, 700 flow. Second operand 44 states and 974 transitions. [2024-11-08 17:25:17,794 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 1637 transitions, 19676 flow [2024-11-08 17:25:18,361 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 1637 transitions, 19001 flow, removed 0 selfloop flow, removed 9 redundant places. [2024-11-08 17:25:18,379 INFO L231 Difference]: Finished difference. Result has 166 places, 150 transitions, 1024 flow [2024-11-08 17:25:18,380 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=682, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=68, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=44, PETRI_FLOW=1024, PETRI_PLACES=166, PETRI_TRANSITIONS=150} [2024-11-08 17:25:18,381 INFO L277 CegarLoopForPetriNet]: 30 programPoint places, 136 predicate places. [2024-11-08 17:25:18,382 INFO L471 AbstractCegarLoop]: Abstraction has has 166 places, 150 transitions, 1024 flow [2024-11-08 17:25:18,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 15.777777777777779) internal successors, (710), 45 states have internal predecessors, (710), 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) [2024-11-08 17:25:18,383 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:25:18,385 INFO L204 CegarLoopForPetriNet]: trace histogram [21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:25:18,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-08 17:25:18,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-08 17:25:18,586 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 17:25:18,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:25:18,587 INFO L85 PathProgramCache]: Analyzing trace with hash 942505139, now seen corresponding path program 9 times [2024-11-08 17:25:18,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:25:18,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628633209] [2024-11-08 17:25:18,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:25:18,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:25:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:25:19,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2441 backedges. 1166 proven. 115 refuted. 0 times theorem prover too weak. 1160 trivial. 0 not checked. [2024-11-08 17:25:19,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:25:19,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628633209] [2024-11-08 17:25:19,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628633209] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:25:19,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995843980] [2024-11-08 17:25:19,997 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 17:25:19,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:25:19,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:19,999 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:25:20,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-08 17:25:20,833 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 22 check-sat command(s) [2024-11-08 17:25:20,834 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 17:25:20,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 17:25:20,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:25:21,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2441 backedges. 1281 proven. 0 refuted. 0 times theorem prover too weak. 1160 trivial. 0 not checked. [2024-11-08 17:25:21,271 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:25:21,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [995843980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:25:21,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:25:21,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [23] total 24 [2024-11-08 17:25:21,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799782248] [2024-11-08 17:25:21,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:25:21,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-08 17:25:21,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:25:21,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-08 17:25:21,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=296, Unknown=0, NotChecked=0, Total=552 [2024-11-08 17:25:21,305 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 34 [2024-11-08 17:25:21,305 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 150 transitions, 1024 flow. Second operand has 23 states, 23 states have (on average 15.043478260869565) internal successors, (346), 23 states have internal predecessors, (346), 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) [2024-11-08 17:25:21,306 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:25:21,306 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 34 [2024-11-08 17:25:21,306 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:25:29,984 INFO L124 PetriNetUnfolderBase]: 11979/27236 cut-off events. [2024-11-08 17:25:29,984 INFO L125 PetriNetUnfolderBase]: For 132749/132749 co-relation queries the response was YES. [2024-11-08 17:25:30,151 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110914 conditions, 27236 events. 11979/27236 cut-off events. For 132749/132749 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 215246 event pairs, 498 based on Foata normal form. 89/27324 useless extension candidates. Maximal degree in co-relation 110857. Up to 4074 conditions per place. [2024-11-08 17:25:30,220 INFO L140 encePairwiseOnDemand]: 31/34 looper letters, 1978 selfloop transitions, 21 changer transitions 0/2007 dead transitions. [2024-11-08 17:25:30,220 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 187 places, 2007 transitions, 15770 flow [2024-11-08 17:25:30,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-08 17:25:30,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-11-08 17:25:30,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 467 transitions. [2024-11-08 17:25:30,223 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5971867007672634 [2024-11-08 17:25:30,223 INFO L175 Difference]: Start difference. First operand has 166 places, 150 transitions, 1024 flow. Second operand 23 states and 467 transitions. [2024-11-08 17:25:30,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 187 places, 2007 transitions, 15770 flow [2024-11-08 17:25:30,498 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 185 places, 2007 transitions, 15766 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-08 17:25:30,510 INFO L231 Difference]: Finished difference. Result has 185 places, 149 transitions, 1048 flow [2024-11-08 17:25:30,511 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1006, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=149, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=1048, PETRI_PLACES=185, PETRI_TRANSITIONS=149} [2024-11-08 17:25:30,511 INFO L277 CegarLoopForPetriNet]: 30 programPoint places, 155 predicate places. [2024-11-08 17:25:30,512 INFO L471 AbstractCegarLoop]: Abstraction has has 185 places, 149 transitions, 1048 flow [2024-11-08 17:25:30,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 15.043478260869565) internal successors, (346), 23 states have internal predecessors, (346), 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) [2024-11-08 17:25:30,513 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-08 17:25:30,514 INFO L204 CegarLoopForPetriNet]: trace histogram [21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:25:30,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-08 17:25:30,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-08 17:25:30,718 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-08 17:25:30,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:25:30,719 INFO L85 PathProgramCache]: Analyzing trace with hash -715362421, now seen corresponding path program 10 times [2024-11-08 17:25:30,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:25:30,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482274097] [2024-11-08 17:25:30,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:25:30,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:25:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:25:32,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2441 backedges. 1262 proven. 115 refuted. 0 times theorem prover too weak. 1064 trivial. 0 not checked. [2024-11-08 17:25:32,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:25:32,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482274097] [2024-11-08 17:25:32,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482274097] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:25:32,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636060042] [2024-11-08 17:25:32,094 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-08 17:25:32,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:25:32,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:25:32,097 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:25:32,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-08 17:25:32,586 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-08 17:25:32,587 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 17:25:32,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 17:25:32,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:25:32,833 INFO L134 CoverageAnalysis]: Checked inductivity of 2441 backedges. 1377 proven. 0 refuted. 0 times theorem prover too weak. 1064 trivial. 0 not checked. [2024-11-08 17:25:32,833 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:25:32,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636060042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:25:32,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:25:32,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [23] total 24 [2024-11-08 17:25:32,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723363203] [2024-11-08 17:25:32,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:25:32,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-08 17:25:32,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:25:32,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-08 17:25:32,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=296, Unknown=0, NotChecked=0, Total=552 [2024-11-08 17:25:32,870 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 34 [2024-11-08 17:25:32,871 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 149 transitions, 1048 flow. Second operand has 23 states, 23 states have (on average 15.173913043478262) internal successors, (349), 23 states have internal predecessors, (349), 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) [2024-11-08 17:25:32,871 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-08 17:25:32,871 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 34 [2024-11-08 17:25:32,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-08 17:25:37,236 INFO L124 PetriNetUnfolderBase]: 6763/15374 cut-off events. [2024-11-08 17:25:37,237 INFO L125 PetriNetUnfolderBase]: For 87944/87944 co-relation queries the response was YES. [2024-11-08 17:25:37,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66516 conditions, 15374 events. 6763/15374 cut-off events. For 87944/87944 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 108646 event pairs, 38 based on Foata normal form. 82/15436 useless extension candidates. Maximal degree in co-relation 66291. Up to 2604 conditions per place. [2024-11-08 17:25:37,362 INFO L140 encePairwiseOnDemand]: 31/34 looper letters, 0 selfloop transitions, 0 changer transitions 1497/1497 dead transitions. [2024-11-08 17:25:37,363 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 1497 transitions, 13551 flow [2024-11-08 17:25:37,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-08 17:25:37,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-11-08 17:25:37,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 444 transitions. [2024-11-08 17:25:37,365 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5677749360613811 [2024-11-08 17:25:37,365 INFO L175 Difference]: Start difference. First operand has 185 places, 149 transitions, 1048 flow. Second operand 23 states and 444 transitions. [2024-11-08 17:25:37,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 1497 transitions, 13551 flow [2024-11-08 17:25:37,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 179 places, 1497 transitions, 12643 flow, removed 0 selfloop flow, removed 24 redundant places. [2024-11-08 17:25:37,515 INFO L231 Difference]: Finished difference. Result has 179 places, 0 transitions, 0 flow [2024-11-08 17:25:37,515 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=960, PETRI_DIFFERENCE_MINUEND_PLACES=157, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=140, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=0, PETRI_PLACES=179, PETRI_TRANSITIONS=0} [2024-11-08 17:25:37,516 INFO L277 CegarLoopForPetriNet]: 30 programPoint places, 149 predicate places. [2024-11-08 17:25:37,516 INFO L471 AbstractCegarLoop]: Abstraction has has 179 places, 0 transitions, 0 flow [2024-11-08 17:25:37,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 15.173913043478262) internal successors, (349), 23 states have internal predecessors, (349), 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) [2024-11-08 17:25:37,520 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (2 of 3 remaining) [2024-11-08 17:25:37,521 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 3 remaining) [2024-11-08 17:25:37,521 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-08 17:25:37,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-08 17:25:37,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-08 17:25:37,723 INFO L407 BasicCegarLoop]: Path program histogram: [10, 1, 1] [2024-11-08 17:25:37,727 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-08 17:25:37,728 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:25:37,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:25:37 BasicIcfg [2024-11-08 17:25:37,736 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:25:37,737 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:25:37,737 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:25:37,737 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:25:37,738 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:24:33" (3/4) ... [2024-11-08 17:25:37,742 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 17:25:37,747 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_function_mutex [2024-11-08 17:25:37,753 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2024-11-08 17:25:37,753 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-08 17:25:37,754 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 17:25:37,754 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 17:25:37,861 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 17:25:37,862 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 17:25:37,862 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:25:37,863 INFO L158 Benchmark]: Toolchain (without parser) took 66233.01ms. Allocated memory was 115.3MB in the beginning and 8.9GB in the end (delta: 8.8GB). Free memory was 75.6MB in the beginning and 7.5GB in the end (delta: -7.4GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-08 17:25:37,863 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 115.3MB. Free memory was 86.8MB in the beginning and 86.8MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:25:37,864 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1220.09ms. Allocated memory was 115.3MB in the beginning and 144.7MB in the end (delta: 29.4MB). Free memory was 75.4MB in the beginning and 94.3MB in the end (delta: -18.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-08 17:25:37,865 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.37ms. Allocated memory is still 144.7MB. Free memory was 94.3MB in the beginning and 91.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:25:37,865 INFO L158 Benchmark]: Boogie Preprocessor took 92.04ms. Allocated memory is still 144.7MB. Free memory was 91.5MB in the beginning and 89.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:25:37,865 INFO L158 Benchmark]: RCFGBuilder took 702.24ms. Allocated memory is still 144.7MB. Free memory was 89.4MB in the beginning and 109.5MB in the end (delta: -20.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-08 17:25:37,866 INFO L158 Benchmark]: TraceAbstraction took 63998.32ms. Allocated memory was 144.7MB in the beginning and 8.9GB in the end (delta: 8.8GB). Free memory was 109.2MB in the beginning and 7.5GB in the end (delta: -7.4GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-08 17:25:37,866 INFO L158 Benchmark]: Witness Printer took 125.77ms. Allocated memory is still 8.9GB. Free memory was 7.5GB in the beginning and 7.5GB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:25:37,869 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 115.3MB. Free memory was 86.8MB in the beginning and 86.8MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1220.09ms. Allocated memory was 115.3MB in the beginning and 144.7MB in the end (delta: 29.4MB). Free memory was 75.4MB in the beginning and 94.3MB in the end (delta: -18.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.37ms. Allocated memory is still 144.7MB. Free memory was 94.3MB in the beginning and 91.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.04ms. Allocated memory is still 144.7MB. Free memory was 91.5MB in the beginning and 89.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 702.24ms. Allocated memory is still 144.7MB. Free memory was 89.4MB in the beginning and 109.5MB in the end (delta: -20.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 63998.32ms. Allocated memory was 144.7MB in the beginning and 8.9GB in the end (delta: 8.8GB). Free memory was 109.2MB in the beginning and 7.5GB in the end (delta: -7.4GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Witness Printer took 125.77ms. Allocated memory is still 8.9GB. Free memory was 7.5GB in the beginning and 7.5GB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1334]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 12]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 39 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 63.9s, OverallIterations: 12, TraceHistogramMax: 21, PathProgramHistogramMax: 10, EmptinessCheckTime: 0.0s, AutomataDifference: 42.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1151 SdHoareTripleChecker+Valid, 11.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1116 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 9.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 76 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21003 IncrementalHoareTripleChecker+Invalid, 21079 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 76 mSolverCounterUnsat, 12 mSDtfsCounter, 21003 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2291 GetRequests, 2121 SyntacticMatches, 5 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1048occurred in iteration=11, InterpolantAutomatonStates: 179, 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: 0.5s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 15.0s InterpolantComputationTime, 2748 NumberOfCodeBlocks, 2604 NumberOfCodeBlocksAsserted, 67 NumberOfCheckSat, 3542 ConstructedInterpolants, 0 QuantifiedInterpolants, 9475 SizeOfPredicates, 22 NumberOfNonLiveVariables, 4498 ConjunctsInSsa, 211 ConjunctsInUnsatCore, 28 InterpolantComputations, 5 PerfectInterpolantSequences, 16899/26015 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-08 17:25:37,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d52ac384-bf11-4835-8159-f345b0694ebb/bin/uautomizer-verify-jihMAELWvX/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 Writing output log to file Ultimate.log Result: TRUE