./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 44de34ccc7195f8ba562241ad79de4cb2add35f6ad2c59de465184820d6f6382 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:08:57,371 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:08:57,505 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-11-06 23:08:57,521 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:08:57,522 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:08:57,563 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:08:57,564 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:08:57,565 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:08:57,566 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:08:57,572 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:08:57,574 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:08:57,575 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:08:57,575 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:08:57,577 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:08:57,578 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:08:57,579 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:08:57,579 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:08:57,579 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:08:57,580 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 23:08:57,580 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 23:08:57,581 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 23:08:57,581 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:08:57,582 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 23:08:57,582 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 23:08:57,583 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:08:57,583 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:08:57,584 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:08:57,585 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:08:57,585 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:08:57,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:08:57,588 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:08:57,588 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:08:57,588 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:08:57,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:08:57,589 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:08:57,589 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:08:57,589 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:08:57,590 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:08:57,590 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_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44de34ccc7195f8ba562241ad79de4cb2add35f6ad2c59de465184820d6f6382 [2023-11-06 23:08:57,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:08:57,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:08:57,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:08:57,944 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:08:57,945 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:08:57,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-3.i [2023-11-06 23:09:01,226 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:09:01,613 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:09:01,614 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-3.i [2023-11-06 23:09:01,651 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/data/c804c8ceb/1d8e6e6f1b9441bca3889a1f45e71d3b/FLAG8ce856390 [2023-11-06 23:09:01,677 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/data/c804c8ceb/1d8e6e6f1b9441bca3889a1f45e71d3b [2023-11-06 23:09:01,683 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:09:01,686 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:09:01,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:09:01,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:09:01,696 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:09:01,697 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:09:01" (1/1) ... [2023-11-06 23:09:01,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14b15ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:01, skipping insertion in model container [2023-11-06 23:09:01,698 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:09:01" (1/1) ... [2023-11-06 23:09:01,775 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:09:02,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:09:02,508 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:09:02,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:09:02,725 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:09:02,726 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:09:02,734 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:09:02,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:02 WrapperNode [2023-11-06 23:09:02,735 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:09:02,737 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:09:02,737 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:09:02,737 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:09:02,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:02" (1/1) ... [2023-11-06 23:09:02,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:02" (1/1) ... [2023-11-06 23:09:02,806 INFO L138 Inliner]: procedures = 365, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2023-11-06 23:09:02,807 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:09:02,808 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:09:02,808 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:09:02,808 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:09:02,818 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:02" (1/1) ... [2023-11-06 23:09:02,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:02" (1/1) ... [2023-11-06 23:09:02,823 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:02" (1/1) ... [2023-11-06 23:09:02,823 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:02" (1/1) ... [2023-11-06 23:09:02,831 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:02" (1/1) ... [2023-11-06 23:09:02,835 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:02" (1/1) ... [2023-11-06 23:09:02,837 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:02" (1/1) ... [2023-11-06 23:09:02,839 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:02" (1/1) ... [2023-11-06 23:09:02,843 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:09:02,844 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:09:02,844 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:09:02,844 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:09:02,845 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:02" (1/1) ... [2023-11-06 23:09:02,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:09:02,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:09:02,884 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:09:02,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:09:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 23:09:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:09:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:09:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 23:09:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 23:09:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_datarace [2023-11-06 23:09:02,919 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_datarace [2023-11-06 23:09:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 23:09:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:09:02,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:09:02,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:09:02,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:09:02,921 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 23:09:03,070 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:09:03,071 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:09:03,264 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:09:03,273 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:09:03,273 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 23:09:03,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:09:03 BoogieIcfgContainer [2023-11-06 23:09:03,276 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:09:03,279 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:09:03,279 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:09:03,283 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:09:03,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:09:01" (1/3) ... [2023-11-06 23:09:03,284 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5316e8cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:09:03, skipping insertion in model container [2023-11-06 23:09:03,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:02" (2/3) ... [2023-11-06 23:09:03,285 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5316e8cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:09:03, skipping insertion in model container [2023-11-06 23:09:03,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:09:03" (3/3) ... [2023-11-06 23:09:03,286 INFO L112 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-3.i [2023-11-06 23:09:03,305 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:09:03,305 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-06 23:09:03,305 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 23:09:03,360 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-06 23:09:03,410 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 97 places, 101 transitions, 209 flow [2023-11-06 23:09:03,475 INFO L124 PetriNetUnfolderBase]: 8/100 cut-off events. [2023-11-06 23:09:03,476 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-06 23:09:03,481 INFO L83 FinitePrefix]: Finished finitePrefix Result has 105 conditions, 100 events. 8/100 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 101 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 40. Up to 2 conditions per place. [2023-11-06 23:09:03,482 INFO L82 GeneralOperation]: Start removeDead. Operand has 97 places, 101 transitions, 209 flow [2023-11-06 23:09:03,487 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 91 places, 95 transitions, 196 flow [2023-11-06 23:09:03,491 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 23:09:03,502 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 95 transitions, 196 flow [2023-11-06 23:09:03,505 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 95 transitions, 196 flow [2023-11-06 23:09:03,506 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 91 places, 95 transitions, 196 flow [2023-11-06 23:09:03,530 INFO L124 PetriNetUnfolderBase]: 8/95 cut-off events. [2023-11-06 23:09:03,530 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-06 23:09:03,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 95 events. 8/95 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 100 event pairs, 0 based on Foata normal form. 0/82 useless extension candidates. Maximal degree in co-relation 40. Up to 2 conditions per place. [2023-11-06 23:09:03,533 INFO L119 LiptonReduction]: Number of co-enabled transitions 768 [2023-11-06 23:09:06,085 INFO L134 LiptonReduction]: Checked pairs total: 727 [2023-11-06 23:09:06,086 INFO L136 LiptonReduction]: Total number of compositions: 106 [2023-11-06 23:09:06,103 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:09:06,110 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@224f0869, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:09:06,110 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-11-06 23:09:06,112 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 23:09:06,112 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-06 23:09:06,112 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 23:09:06,112 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:06,113 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-06 23:09:06,114 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2023-11-06 23:09:06,118 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:06,118 INFO L85 PathProgramCache]: Analyzing trace with hash 391, now seen corresponding path program 1 times [2023-11-06 23:09:06,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:06,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234849582] [2023-11-06 23:09:06,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:06,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:06,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:06,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:06,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234849582] [2023-11-06 23:09:06,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234849582] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:06,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:06,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-06 23:09:06,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506349503] [2023-11-06 23:09:06,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:06,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:09:06,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:06,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:09:06,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:09:06,292 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 207 [2023-11-06 23:09:06,295 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 16 transitions, 38 flow. Second operand has 2 states, 2 states have (on average 90.5) internal successors, (181), 2 states have internal predecessors, (181), 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) [2023-11-06 23:09:06,295 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:06,295 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 207 [2023-11-06 23:09:06,296 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:06,339 INFO L124 PetriNetUnfolderBase]: 21/44 cut-off events. [2023-11-06 23:09:06,340 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-06 23:09:06,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 44 events. 21/44 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 91 event pairs, 12 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 80. Up to 45 conditions per place. [2023-11-06 23:09:06,342 INFO L140 encePairwiseOnDemand]: 204/207 looper letters, 13 selfloop transitions, 0 changer transitions 0/13 dead transitions. [2023-11-06 23:09:06,342 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 16 places, 13 transitions, 58 flow [2023-11-06 23:09:06,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:09:06,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 23:09:06,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 196 transitions. [2023-11-06 23:09:06,358 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47342995169082125 [2023-11-06 23:09:06,359 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 196 transitions. [2023-11-06 23:09:06,360 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 196 transitions. [2023-11-06 23:09:06,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:06,364 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 196 transitions. [2023-11-06 23:09:06,367 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 98.0) internal successors, (196), 2 states have internal predecessors, (196), 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) [2023-11-06 23:09:06,373 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 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) [2023-11-06 23:09:06,374 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 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) [2023-11-06 23:09:06,376 INFO L175 Difference]: Start difference. First operand has 18 places, 16 transitions, 38 flow. Second operand 2 states and 196 transitions. [2023-11-06 23:09:06,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 16 places, 13 transitions, 58 flow [2023-11-06 23:09:06,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 14 places, 13 transitions, 54 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 23:09:06,381 INFO L231 Difference]: Finished difference. Result has 14 places, 13 transitions, 28 flow [2023-11-06 23:09:06,384 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=28, PETRI_PLACES=14, PETRI_TRANSITIONS=13} [2023-11-06 23:09:06,388 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, -4 predicate places. [2023-11-06 23:09:06,388 INFO L495 AbstractCegarLoop]: Abstraction has has 14 places, 13 transitions, 28 flow [2023-11-06 23:09:06,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 90.5) internal successors, (181), 2 states have internal predecessors, (181), 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) [2023-11-06 23:09:06,389 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:06,389 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-11-06 23:09:06,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:09:06,390 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2023-11-06 23:09:06,390 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:06,390 INFO L85 PathProgramCache]: Analyzing trace with hash 11934395, now seen corresponding path program 1 times [2023-11-06 23:09:06,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:06,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864950877] [2023-11-06 23:09:06,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:06,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:06,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:06,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:06,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864950877] [2023-11-06 23:09:06,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864950877] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:06,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:06,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:09:06,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91552903] [2023-11-06 23:09:06,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:06,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:09:06,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:06,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:09:06,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:09:06,552 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 207 [2023-11-06 23:09:06,552 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 14 places, 13 transitions, 28 flow. Second operand has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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) [2023-11-06 23:09:06,553 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:06,553 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 207 [2023-11-06 23:09:06,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:06,603 INFO L124 PetriNetUnfolderBase]: 25/52 cut-off events. [2023-11-06 23:09:06,604 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 23:09:06,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 52 events. 25/52 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 120 event pairs, 12 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 105. Up to 45 conditions per place. [2023-11-06 23:09:06,605 INFO L140 encePairwiseOnDemand]: 202/207 looper letters, 16 selfloop transitions, 2 changer transitions 0/18 dead transitions. [2023-11-06 23:09:06,605 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 16 places, 18 transitions, 74 flow [2023-11-06 23:09:06,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:09:06,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:09:06,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 273 transitions. [2023-11-06 23:09:06,609 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4396135265700483 [2023-11-06 23:09:06,610 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 273 transitions. [2023-11-06 23:09:06,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 273 transitions. [2023-11-06 23:09:06,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:06,611 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 273 transitions. [2023-11-06 23:09:06,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 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) [2023-11-06 23:09:06,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 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) [2023-11-06 23:09:06,616 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 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) [2023-11-06 23:09:06,616 INFO L175 Difference]: Start difference. First operand has 14 places, 13 transitions, 28 flow. Second operand 3 states and 273 transitions. [2023-11-06 23:09:06,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 16 places, 18 transitions, 74 flow [2023-11-06 23:09:06,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 16 places, 18 transitions, 74 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 23:09:06,617 INFO L231 Difference]: Finished difference. Result has 17 places, 14 transitions, 44 flow [2023-11-06 23:09:06,618 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=44, PETRI_PLACES=17, PETRI_TRANSITIONS=14} [2023-11-06 23:09:06,619 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, -1 predicate places. [2023-11-06 23:09:06,619 INFO L495 AbstractCegarLoop]: Abstraction has has 17 places, 14 transitions, 44 flow [2023-11-06 23:09:06,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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) [2023-11-06 23:09:06,620 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:06,620 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 23:09:06,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:09:06,620 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2023-11-06 23:09:06,621 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:06,621 INFO L85 PathProgramCache]: Analyzing trace with hash 369966849, now seen corresponding path program 1 times [2023-11-06 23:09:06,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:06,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303357233] [2023-11-06 23:09:06,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:06,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:06,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:06,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:06,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:06,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303357233] [2023-11-06 23:09:06,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303357233] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:09:06,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101998253] [2023-11-06 23:09:06,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:06,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:06,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:09:06,714 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:09:06,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 23:09:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:06,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:09:06,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:09:06,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:06,859 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:09:06,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:06,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1101998253] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:09:06,937 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 23:09:06,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-11-06 23:09:06,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101649271] [2023-11-06 23:09:06,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 23:09:06,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:09:06,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:06,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:09:06,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:09:06,960 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 207 [2023-11-06 23:09:06,962 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 17 places, 14 transitions, 44 flow. Second operand has 7 states, 7 states have (on average 84.42857142857143) internal successors, (591), 7 states have internal predecessors, (591), 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) [2023-11-06 23:09:06,962 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:06,962 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 207 [2023-11-06 23:09:06,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:07,099 INFO L124 PetriNetUnfolderBase]: 37/76 cut-off events. [2023-11-06 23:09:07,099 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2023-11-06 23:09:07,100 INFO L83 FinitePrefix]: Finished finitePrefix Result has 198 conditions, 76 events. 37/76 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 164 event pairs, 12 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 193. Up to 45 conditions per place. [2023-11-06 23:09:07,101 INFO L140 encePairwiseOnDemand]: 202/207 looper letters, 28 selfloop transitions, 5 changer transitions 0/33 dead transitions. [2023-11-06 23:09:07,101 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 33 transitions, 154 flow [2023-11-06 23:09:07,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:09:07,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 23:09:07,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 540 transitions. [2023-11-06 23:09:07,106 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43478260869565216 [2023-11-06 23:09:07,106 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 540 transitions. [2023-11-06 23:09:07,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 540 transitions. [2023-11-06 23:09:07,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:07,107 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 540 transitions. [2023-11-06 23:09:07,109 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 90.0) internal successors, (540), 6 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:09:07,114 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 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) [2023-11-06 23:09:07,115 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 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) [2023-11-06 23:09:07,115 INFO L175 Difference]: Start difference. First operand has 17 places, 14 transitions, 44 flow. Second operand 6 states and 540 transitions. [2023-11-06 23:09:07,115 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 33 transitions, 154 flow [2023-11-06 23:09:07,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 33 transitions, 150 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-06 23:09:07,117 INFO L231 Difference]: Finished difference. Result has 24 places, 17 transitions, 88 flow [2023-11-06 23:09:07,117 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=40, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=88, PETRI_PLACES=24, PETRI_TRANSITIONS=17} [2023-11-06 23:09:07,118 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 6 predicate places. [2023-11-06 23:09:07,118 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 17 transitions, 88 flow [2023-11-06 23:09:07,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 84.42857142857143) internal successors, (591), 7 states have internal predecessors, (591), 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) [2023-11-06 23:09:07,119 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:07,120 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1] [2023-11-06 23:09:07,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 23:09:07,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:07,326 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2023-11-06 23:09:07,326 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:07,326 INFO L85 PathProgramCache]: Analyzing trace with hash 796916795, now seen corresponding path program 2 times [2023-11-06 23:09:07,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:07,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859903986] [2023-11-06 23:09:07,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:07,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:07,500 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-06 23:09:07,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:07,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859903986] [2023-11-06 23:09:07,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859903986] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:07,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:07,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-06 23:09:07,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328255508] [2023-11-06 23:09:07,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:07,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:09:07,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:07,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:09:07,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:09:07,554 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 207 [2023-11-06 23:09:07,554 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 17 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 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) [2023-11-06 23:09:07,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:07,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 207 [2023-11-06 23:09:07,555 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:07,606 INFO L124 PetriNetUnfolderBase]: 33/68 cut-off events. [2023-11-06 23:09:07,607 INFO L125 PetriNetUnfolderBase]: For 37/37 co-relation queries the response was YES. [2023-11-06 23:09:07,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 233 conditions, 68 events. 33/68 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 126 event pairs, 21 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 225. Up to 68 conditions per place. [2023-11-06 23:09:07,613 INFO L140 encePairwiseOnDemand]: 205/207 looper letters, 15 selfloop transitions, 1 changer transitions 0/16 dead transitions. [2023-11-06 23:09:07,614 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 16 transitions, 110 flow [2023-11-06 23:09:07,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:09:07,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:09:07,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 256 transitions. [2023-11-06 23:09:07,616 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41223832528180354 [2023-11-06 23:09:07,616 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 256 transitions. [2023-11-06 23:09:07,617 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 256 transitions. [2023-11-06 23:09:07,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:07,617 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 256 transitions. [2023-11-06 23:09:07,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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) [2023-11-06 23:09:07,621 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 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) [2023-11-06 23:09:07,622 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 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) [2023-11-06 23:09:07,623 INFO L175 Difference]: Start difference. First operand has 24 places, 17 transitions, 88 flow. Second operand 3 states and 256 transitions. [2023-11-06 23:09:07,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 16 transitions, 110 flow [2023-11-06 23:09:07,626 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 16 transitions, 96 flow, removed 6 selfloop flow, removed 1 redundant places. [2023-11-06 23:09:07,628 INFO L231 Difference]: Finished difference. Result has 24 places, 16 transitions, 66 flow [2023-11-06 23:09:07,628 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=66, PETRI_PLACES=24, PETRI_TRANSITIONS=16} [2023-11-06 23:09:07,630 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 6 predicate places. [2023-11-06 23:09:07,631 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 16 transitions, 66 flow [2023-11-06 23:09:07,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.66666666666667) internal successors, (248), 3 states have internal predecessors, (248), 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) [2023-11-06 23:09:07,632 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:07,632 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1] [2023-11-06 23:09:07,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 23:09:07,632 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2023-11-06 23:09:07,635 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:07,636 INFO L85 PathProgramCache]: Analyzing trace with hash 796916796, now seen corresponding path program 1 times [2023-11-06 23:09:07,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:07,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116886051] [2023-11-06 23:09:07,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:07,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:07,839 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:07,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:07,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116886051] [2023-11-06 23:09:07,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116886051] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:09:07,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155519868] [2023-11-06 23:09:07,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:07,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:07,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:09:07,850 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:09:07,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 23:09:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:07,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 23:09:07,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:09:07,966 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:07,966 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:09:08,059 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:08,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155519868] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:09:08,060 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 23:09:08,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2023-11-06 23:09:08,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378559903] [2023-11-06 23:09:08,061 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 23:09:08,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 23:09:08,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:08,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 23:09:08,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-11-06 23:09:08,113 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 83 out of 207 [2023-11-06 23:09:08,115 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 16 transitions, 66 flow. Second operand has 13 states, 13 states have (on average 84.23076923076923) internal successors, (1095), 13 states have internal predecessors, (1095), 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) [2023-11-06 23:09:08,115 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:08,116 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 83 of 207 [2023-11-06 23:09:08,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:08,299 INFO L124 PetriNetUnfolderBase]: 57/116 cut-off events. [2023-11-06 23:09:08,299 INFO L125 PetriNetUnfolderBase]: For 140/140 co-relation queries the response was YES. [2023-11-06 23:09:08,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 351 conditions, 116 events. 57/116 cut-off events. For 140/140 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 240 event pairs, 9 based on Foata normal form. 24/122 useless extension candidates. Maximal degree in co-relation 342. Up to 41 conditions per place. [2023-11-06 23:09:08,301 INFO L140 encePairwiseOnDemand]: 203/207 looper letters, 51 selfloop transitions, 11 changer transitions 0/62 dead transitions. [2023-11-06 23:09:08,302 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 62 transitions, 306 flow [2023-11-06 23:09:08,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 23:09:08,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-06 23:09:08,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1070 transitions. [2023-11-06 23:09:08,311 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4307568438003221 [2023-11-06 23:09:08,311 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1070 transitions. [2023-11-06 23:09:08,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1070 transitions. [2023-11-06 23:09:08,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:08,313 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1070 transitions. [2023-11-06 23:09:08,318 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 89.16666666666667) internal successors, (1070), 12 states have internal predecessors, (1070), 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) [2023-11-06 23:09:08,324 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 207.0) internal successors, (2691), 13 states have internal predecessors, (2691), 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) [2023-11-06 23:09:08,328 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 207.0) internal successors, (2691), 13 states have internal predecessors, (2691), 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) [2023-11-06 23:09:08,329 INFO L175 Difference]: Start difference. First operand has 24 places, 16 transitions, 66 flow. Second operand 12 states and 1070 transitions. [2023-11-06 23:09:08,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 35 places, 62 transitions, 306 flow [2023-11-06 23:09:08,339 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 62 transitions, 305 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 23:09:08,341 INFO L231 Difference]: Finished difference. Result has 40 places, 22 transitions, 161 flow [2023-11-06 23:09:08,341 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=65, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=161, PETRI_PLACES=40, PETRI_TRANSITIONS=22} [2023-11-06 23:09:08,344 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 22 predicate places. [2023-11-06 23:09:08,344 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 22 transitions, 161 flow [2023-11-06 23:09:08,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 84.23076923076923) internal successors, (1095), 13 states have internal predecessors, (1095), 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) [2023-11-06 23:09:08,345 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:08,345 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1] [2023-11-06 23:09:08,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 23:09:08,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:08,551 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2023-11-06 23:09:08,551 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:08,551 INFO L85 PathProgramCache]: Analyzing trace with hash 1353508476, now seen corresponding path program 2 times [2023-11-06 23:09:08,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:08,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255595178] [2023-11-06 23:09:08,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:08,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:08,750 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-06 23:09:08,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:08,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255595178] [2023-11-06 23:09:08,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255595178] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:08,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:08,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-06 23:09:08,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251933151] [2023-11-06 23:09:08,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:08,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:09:08,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:08,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:09:08,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:09:08,780 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 207 [2023-11-06 23:09:08,781 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 22 transitions, 161 flow. Second operand has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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) [2023-11-06 23:09:08,781 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:08,781 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 207 [2023-11-06 23:09:08,781 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:08,822 INFO L124 PetriNetUnfolderBase]: 53/108 cut-off events. [2023-11-06 23:09:08,822 INFO L125 PetriNetUnfolderBase]: For 160/160 co-relation queries the response was YES. [2023-11-06 23:09:08,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 421 conditions, 108 events. 53/108 cut-off events. For 160/160 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 199 event pairs, 36 based on Foata normal form. 0/95 useless extension candidates. Maximal degree in co-relation 406. Up to 108 conditions per place. [2023-11-06 23:09:08,824 INFO L140 encePairwiseOnDemand]: 205/207 looper letters, 20 selfloop transitions, 1 changer transitions 0/21 dead transitions. [2023-11-06 23:09:08,825 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 21 transitions, 181 flow [2023-11-06 23:09:08,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:09:08,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:09:08,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 264 transitions. [2023-11-06 23:09:08,827 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4251207729468599 [2023-11-06 23:09:08,828 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 264 transitions. [2023-11-06 23:09:08,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 264 transitions. [2023-11-06 23:09:08,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:08,829 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 264 transitions. [2023-11-06 23:09:08,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 88.0) internal successors, (264), 3 states have internal predecessors, (264), 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) [2023-11-06 23:09:08,833 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 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) [2023-11-06 23:09:08,833 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 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) [2023-11-06 23:09:08,834 INFO L175 Difference]: Start difference. First operand has 40 places, 22 transitions, 161 flow. Second operand 3 states and 264 transitions. [2023-11-06 23:09:08,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 21 transitions, 181 flow [2023-11-06 23:09:08,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 21 transitions, 133 flow, removed 19 selfloop flow, removed 5 redundant places. [2023-11-06 23:09:08,842 INFO L231 Difference]: Finished difference. Result has 36 places, 21 transitions, 93 flow [2023-11-06 23:09:08,842 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=91, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=93, PETRI_PLACES=36, PETRI_TRANSITIONS=21} [2023-11-06 23:09:08,846 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 18 predicate places. [2023-11-06 23:09:08,846 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 21 transitions, 93 flow [2023-11-06 23:09:08,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 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) [2023-11-06 23:09:08,847 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:08,847 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:08,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 23:09:08,848 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2023-11-06 23:09:08,849 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:08,849 INFO L85 PathProgramCache]: Analyzing trace with hash 1438676611, now seen corresponding path program 1 times [2023-11-06 23:09:08,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:08,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220239743] [2023-11-06 23:09:08,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:08,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:08,933 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-06 23:09:08,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:08,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220239743] [2023-11-06 23:09:08,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220239743] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:08,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:08,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:09:08,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007850694] [2023-11-06 23:09:08,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:08,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:09:08,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:08,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:09:08,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:09:08,948 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 207 [2023-11-06 23:09:08,949 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 21 transitions, 93 flow. Second operand has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 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) [2023-11-06 23:09:08,949 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:08,950 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 207 [2023-11-06 23:09:08,950 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:09,003 INFO L124 PetriNetUnfolderBase]: 79/160 cut-off events. [2023-11-06 23:09:09,004 INFO L125 PetriNetUnfolderBase]: For 340/340 co-relation queries the response was YES. [2023-11-06 23:09:09,005 INFO L83 FinitePrefix]: Finished finitePrefix Result has 476 conditions, 160 events. 79/160 cut-off events. For 340/340 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 434 event pairs, 36 based on Foata normal form. 0/147 useless extension candidates. Maximal degree in co-relation 461. Up to 109 conditions per place. [2023-11-06 23:09:09,006 INFO L140 encePairwiseOnDemand]: 204/207 looper letters, 34 selfloop transitions, 2 changer transitions 0/36 dead transitions. [2023-11-06 23:09:09,007 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 36 transitions, 241 flow [2023-11-06 23:09:09,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:09:09,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:09:09,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 275 transitions. [2023-11-06 23:09:09,009 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4428341384863124 [2023-11-06 23:09:09,009 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 275 transitions. [2023-11-06 23:09:09,009 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 275 transitions. [2023-11-06 23:09:09,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:09,010 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 275 transitions. [2023-11-06 23:09:09,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 91.66666666666667) internal successors, (275), 3 states have internal predecessors, (275), 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) [2023-11-06 23:09:09,013 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 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) [2023-11-06 23:09:09,014 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 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) [2023-11-06 23:09:09,014 INFO L175 Difference]: Start difference. First operand has 36 places, 21 transitions, 93 flow. Second operand 3 states and 275 transitions. [2023-11-06 23:09:09,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 36 transitions, 241 flow [2023-11-06 23:09:09,017 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 36 transitions, 240 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 23:09:09,018 INFO L231 Difference]: Finished difference. Result has 38 places, 22 transitions, 104 flow [2023-11-06 23:09:09,019 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=104, PETRI_PLACES=38, PETRI_TRANSITIONS=22} [2023-11-06 23:09:09,019 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 20 predicate places. [2023-11-06 23:09:09,020 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 22 transitions, 104 flow [2023-11-06 23:09:09,020 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 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) [2023-11-06 23:09:09,020 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:09,020 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:09,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 23:09:09,021 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2023-11-06 23:09:09,022 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:09,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1350426069, now seen corresponding path program 1 times [2023-11-06 23:09:09,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:09,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064218987] [2023-11-06 23:09:09,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:09,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:09,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:09,121 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-06 23:09:09,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:09,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064218987] [2023-11-06 23:09:09,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064218987] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:09:09,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025534157] [2023-11-06 23:09:09,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:09,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:09,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:09:09,125 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:09:09,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 23:09:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:09,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:09:09,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:09:09,277 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-06 23:09:09,277 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:09:09,327 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 18 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-06 23:09:09,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1025534157] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:09:09,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 23:09:09,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-11-06 23:09:09,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434076852] [2023-11-06 23:09:09,328 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 23:09:09,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:09:09,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:09,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:09:09,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:09:09,349 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 207 [2023-11-06 23:09:09,351 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 22 transitions, 104 flow. Second operand has 7 states, 7 states have (on average 88.0) internal successors, (616), 7 states have internal predecessors, (616), 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) [2023-11-06 23:09:09,351 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:09,351 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 207 [2023-11-06 23:09:09,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:09,477 INFO L124 PetriNetUnfolderBase]: 144/290 cut-off events. [2023-11-06 23:09:09,477 INFO L125 PetriNetUnfolderBase]: For 763/763 co-relation queries the response was YES. [2023-11-06 23:09:09,479 INFO L83 FinitePrefix]: Finished finitePrefix Result has 943 conditions, 290 events. 144/290 cut-off events. For 763/763 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 992 event pairs, 24 based on Foata normal form. 39/329 useless extension candidates. Maximal degree in co-relation 927. Up to 70 conditions per place. [2023-11-06 23:09:09,481 INFO L140 encePairwiseOnDemand]: 203/207 looper letters, 74 selfloop transitions, 6 changer transitions 0/80 dead transitions. [2023-11-06 23:09:09,481 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 80 transitions, 568 flow [2023-11-06 23:09:09,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:09:09,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 23:09:09,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 543 transitions. [2023-11-06 23:09:09,484 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43719806763285024 [2023-11-06 23:09:09,484 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 543 transitions. [2023-11-06 23:09:09,485 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 543 transitions. [2023-11-06 23:09:09,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:09,485 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 543 transitions. [2023-11-06 23:09:09,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 90.5) internal successors, (543), 6 states have internal predecessors, (543), 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) [2023-11-06 23:09:09,490 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 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) [2023-11-06 23:09:09,491 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 207.0) internal successors, (1449), 7 states have internal predecessors, (1449), 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) [2023-11-06 23:09:09,491 INFO L175 Difference]: Start difference. First operand has 38 places, 22 transitions, 104 flow. Second operand 6 states and 543 transitions. [2023-11-06 23:09:09,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 80 transitions, 568 flow [2023-11-06 23:09:09,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 80 transitions, 566 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 23:09:09,495 INFO L231 Difference]: Finished difference. Result has 46 places, 25 transitions, 142 flow [2023-11-06 23:09:09,496 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=142, PETRI_PLACES=46, PETRI_TRANSITIONS=25} [2023-11-06 23:09:09,496 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 28 predicate places. [2023-11-06 23:09:09,497 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 25 transitions, 142 flow [2023-11-06 23:09:09,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 88.0) internal successors, (616), 7 states have internal predecessors, (616), 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) [2023-11-06 23:09:09,497 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:09,498 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:09,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 23:09:09,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:09,705 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2023-11-06 23:09:09,705 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:09,705 INFO L85 PathProgramCache]: Analyzing trace with hash 2074910859, now seen corresponding path program 2 times [2023-11-06 23:09:09,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:09,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555185888] [2023-11-06 23:09:09,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:09,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:09,849 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-06 23:09:09,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:09,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555185888] [2023-11-06 23:09:09,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555185888] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:09:09,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688049636] [2023-11-06 23:09:09,850 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 23:09:09,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:09,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:09:09,852 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:09:09,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 23:09:09,954 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 23:09:09,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 23:09:09,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 23:09:09,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:09:10,012 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-06 23:09:10,012 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:09:10,114 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-06 23:09:10,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688049636] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:09:10,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 23:09:10,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2023-11-06 23:09:10,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951419792] [2023-11-06 23:09:10,115 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 23:09:10,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 23:09:10,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:10,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 23:09:10,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-11-06 23:09:10,145 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 207 [2023-11-06 23:09:10,147 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 25 transitions, 142 flow. Second operand has 13 states, 13 states have (on average 87.46153846153847) internal successors, (1137), 13 states have internal predecessors, (1137), 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) [2023-11-06 23:09:10,147 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:10,147 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 207 [2023-11-06 23:09:10,147 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:10,375 INFO L124 PetriNetUnfolderBase]: 300/602 cut-off events. [2023-11-06 23:09:10,375 INFO L125 PetriNetUnfolderBase]: For 1957/1957 co-relation queries the response was YES. [2023-11-06 23:09:10,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2457 conditions, 602 events. 300/602 cut-off events. For 1957/1957 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2190 event pairs, 24 based on Foata normal form. 78/680 useless extension candidates. Maximal degree in co-relation 2438. Up to 156 conditions per place. [2023-11-06 23:09:10,384 INFO L140 encePairwiseOnDemand]: 203/207 looper letters, 158 selfloop transitions, 12 changer transitions 0/170 dead transitions. [2023-11-06 23:09:10,384 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 170 transitions, 1298 flow [2023-11-06 23:09:10,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 23:09:10,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-06 23:09:10,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1086 transitions. [2023-11-06 23:09:10,389 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43719806763285024 [2023-11-06 23:09:10,390 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1086 transitions. [2023-11-06 23:09:10,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1086 transitions. [2023-11-06 23:09:10,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:10,391 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1086 transitions. [2023-11-06 23:09:10,395 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 90.5) internal successors, (1086), 12 states have internal predecessors, (1086), 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) [2023-11-06 23:09:10,400 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 207.0) internal successors, (2691), 13 states have internal predecessors, (2691), 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) [2023-11-06 23:09:10,401 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 207.0) internal successors, (2691), 13 states have internal predecessors, (2691), 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) [2023-11-06 23:09:10,402 INFO L175 Difference]: Start difference. First operand has 46 places, 25 transitions, 142 flow. Second operand 12 states and 1086 transitions. [2023-11-06 23:09:10,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 170 transitions, 1298 flow [2023-11-06 23:09:10,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 170 transitions, 1278 flow, removed 9 selfloop flow, removed 1 redundant places. [2023-11-06 23:09:10,411 INFO L231 Difference]: Finished difference. Result has 63 places, 32 transitions, 230 flow [2023-11-06 23:09:10,411 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=134, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=230, PETRI_PLACES=63, PETRI_TRANSITIONS=32} [2023-11-06 23:09:10,412 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 45 predicate places. [2023-11-06 23:09:10,412 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 32 transitions, 230 flow [2023-11-06 23:09:10,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 87.46153846153847) internal successors, (1137), 13 states have internal predecessors, (1137), 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) [2023-11-06 23:09:10,413 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:10,413 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:10,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 23:09:10,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:10,619 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2023-11-06 23:09:10,620 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:10,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1709339605, now seen corresponding path program 3 times [2023-11-06 23:09:10,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:10,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889523448] [2023-11-06 23:09:10,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:10,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:10,875 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-11-06 23:09:10,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:10,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889523448] [2023-11-06 23:09:10,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889523448] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:09:10,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237350166] [2023-11-06 23:09:10,876 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-06 23:09:10,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:10,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:09:10,878 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:09:10,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 23:09:10,985 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2023-11-06 23:09:10,985 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 23:09:10,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-06 23:09:10,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:09:11,214 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-06 23:09:11,215 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:09:11,552 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-06 23:09:11,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237350166] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:09:11,553 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 23:09:11,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 33 [2023-11-06 23:09:11,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118278412] [2023-11-06 23:09:11,553 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 23:09:11,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-11-06 23:09:11,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:11,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-11-06 23:09:11,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=308, Invalid=748, Unknown=0, NotChecked=0, Total=1056 [2023-11-06 23:09:11,675 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 207 [2023-11-06 23:09:11,678 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 32 transitions, 230 flow. Second operand has 33 states, 33 states have (on average 80.78787878787878) internal successors, (2666), 33 states have internal predecessors, (2666), 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) [2023-11-06 23:09:11,678 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:11,679 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 207 [2023-11-06 23:09:11,679 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:22,346 INFO L124 PetriNetUnfolderBase]: 599/1200 cut-off events. [2023-11-06 23:09:22,346 INFO L125 PetriNetUnfolderBase]: For 18425/18425 co-relation queries the response was YES. [2023-11-06 23:09:22,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5571 conditions, 1200 events. 599/1200 cut-off events. For 18425/18425 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 4921 event pairs, 6 based on Foata normal form. 283/1483 useless extension candidates. Maximal degree in co-relation 5545. Up to 339 conditions per place. [2023-11-06 23:09:22,363 INFO L140 encePairwiseOnDemand]: 201/207 looper letters, 322 selfloop transitions, 504 changer transitions 0/826 dead transitions. [2023-11-06 23:09:22,363 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 826 transitions, 8036 flow [2023-11-06 23:09:22,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2023-11-06 23:09:22,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2023-11-06 23:09:22,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 20954 transitions. [2023-11-06 23:09:22,425 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40010692940749654 [2023-11-06 23:09:22,425 INFO L72 ComplementDD]: Start complementDD. Operand 253 states and 20954 transitions. [2023-11-06 23:09:22,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 253 states and 20954 transitions. [2023-11-06 23:09:22,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:22,437 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 253 states and 20954 transitions. [2023-11-06 23:09:22,489 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 254 states, 253 states have (on average 82.82213438735178) internal successors, (20954), 253 states have internal predecessors, (20954), 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) [2023-11-06 23:09:22,586 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 254 states, 254 states have (on average 207.0) internal successors, (52578), 254 states have internal predecessors, (52578), 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) [2023-11-06 23:09:22,603 INFO L81 ComplementDD]: Finished complementDD. Result has 254 states, 254 states have (on average 207.0) internal successors, (52578), 254 states have internal predecessors, (52578), 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) [2023-11-06 23:09:22,603 INFO L175 Difference]: Start difference. First operand has 63 places, 32 transitions, 230 flow. Second operand 253 states and 20954 transitions. [2023-11-06 23:09:22,603 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 826 transitions, 8036 flow [2023-11-06 23:09:22,624 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 312 places, 826 transitions, 7910 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-06 23:09:22,642 INFO L231 Difference]: Finished difference. Result has 443 places, 546 transitions, 5714 flow [2023-11-06 23:09:22,643 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=253, PETRI_FLOW=5714, PETRI_PLACES=443, PETRI_TRANSITIONS=546} [2023-11-06 23:09:22,644 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 425 predicate places. [2023-11-06 23:09:22,644 INFO L495 AbstractCegarLoop]: Abstraction has has 443 places, 546 transitions, 5714 flow [2023-11-06 23:09:22,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 80.78787878787878) internal successors, (2666), 33 states have internal predecessors, (2666), 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) [2023-11-06 23:09:22,646 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:22,646 INFO L208 CegarLoopForPetriNet]: trace histogram [20, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:22,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-06 23:09:22,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:22,853 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2023-11-06 23:09:22,853 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:22,853 INFO L85 PathProgramCache]: Analyzing trace with hash 923968877, now seen corresponding path program 4 times [2023-11-06 23:09:22,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:22,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160315379] [2023-11-06 23:09:22,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:22,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:23,274 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 20 proven. 121 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-06 23:09:23,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:23,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160315379] [2023-11-06 23:09:23,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160315379] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:09:23,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [187906396] [2023-11-06 23:09:23,275 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-06 23:09:23,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:23,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:09:23,276 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:09:23,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 23:09:23,397 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-06 23:09:23,397 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 23:09:23,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 23:09:23,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:09:23,445 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 20 proven. 121 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-06 23:09:23,446 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:09:23,687 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 20 proven. 121 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-06 23:09:23,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [187906396] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:09:23,687 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 23:09:23,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 23 [2023-11-06 23:09:23,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351588985] [2023-11-06 23:09:23,688 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 23:09:23,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-06 23:09:23,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:23,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-06 23:09:23,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2023-11-06 23:09:23,733 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 207 [2023-11-06 23:09:23,735 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 443 places, 546 transitions, 5714 flow. Second operand has 23 states, 23 states have (on average 87.30434782608695) internal successors, (2008), 23 states have internal predecessors, (2008), 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) [2023-11-06 23:09:23,736 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:23,736 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 207 [2023-11-06 23:09:23,736 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:25,022 INFO L124 PetriNetUnfolderBase]: 990/1982 cut-off events. [2023-11-06 23:09:25,022 INFO L125 PetriNetUnfolderBase]: For 464573/464573 co-relation queries the response was YES. [2023-11-06 23:09:25,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17150 conditions, 1982 events. 990/1982 cut-off events. For 464573/464573 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 8641 event pairs, 43 based on Foata normal form. 207/2189 useless extension candidates. Maximal degree in co-relation 16992. Up to 560 conditions per place. [2023-11-06 23:09:25,073 INFO L140 encePairwiseOnDemand]: 203/207 looper letters, 508 selfloop transitions, 442 changer transitions 0/950 dead transitions. [2023-11-06 23:09:25,073 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 464 places, 950 transitions, 16588 flow [2023-11-06 23:09:25,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-06 23:09:25,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2023-11-06 23:09:25,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1989 transitions. [2023-11-06 23:09:25,077 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4367588932806324 [2023-11-06 23:09:25,077 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1989 transitions. [2023-11-06 23:09:25,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1989 transitions. [2023-11-06 23:09:25,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:25,079 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1989 transitions. [2023-11-06 23:09:25,082 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 90.4090909090909) internal successors, (1989), 22 states have internal predecessors, (1989), 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) [2023-11-06 23:09:25,087 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 207.0) internal successors, (4761), 23 states have internal predecessors, (4761), 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) [2023-11-06 23:09:25,089 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 207.0) internal successors, (4761), 23 states have internal predecessors, (4761), 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) [2023-11-06 23:09:25,089 INFO L175 Difference]: Start difference. First operand has 443 places, 546 transitions, 5714 flow. Second operand 22 states and 1989 transitions. [2023-11-06 23:09:25,089 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 464 places, 950 transitions, 16588 flow [2023-11-06 23:09:25,915 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 444 places, 950 transitions, 14446 flow, removed 651 selfloop flow, removed 20 redundant places. [2023-11-06 23:09:25,933 INFO L231 Difference]: Finished difference. Result has 454 places, 715 transitions, 7680 flow [2023-11-06 23:09:25,935 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=4328, PETRI_DIFFERENCE_MINUEND_PLACES=423, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=546, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=273, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=272, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=7680, PETRI_PLACES=454, PETRI_TRANSITIONS=715} [2023-11-06 23:09:25,935 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 436 predicate places. [2023-11-06 23:09:25,936 INFO L495 AbstractCegarLoop]: Abstraction has has 454 places, 715 transitions, 7680 flow [2023-11-06 23:09:25,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 87.30434782608695) internal successors, (2008), 23 states have internal predecessors, (2008), 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) [2023-11-06 23:09:25,936 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:25,936 INFO L208 CegarLoopForPetriNet]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:25,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 23:09:26,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:09:26,143 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2023-11-06 23:09:26,144 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:26,144 INFO L85 PathProgramCache]: Analyzing trace with hash -2117679489, now seen corresponding path program 5 times [2023-11-06 23:09:26,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:26,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387522554] [2023-11-06 23:09:26,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:26,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:09:26,279 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:09:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:09:26,413 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:09:26,414 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 23:09:26,415 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2023-11-06 23:09:26,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2023-11-06 23:09:26,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2023-11-06 23:09:26,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2023-11-06 23:09:26,419 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2023-11-06 23:09:26,419 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2023-11-06 23:09:26,419 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 7 remaining) [2023-11-06 23:09:26,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-06 23:09:26,420 INFO L445 BasicCegarLoop]: Path program histogram: [5, 2, 2, 1, 1, 1] [2023-11-06 23:09:26,427 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 23:09:26,427 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:09:26,517 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,520 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,521 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,521 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,521 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,522 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,522 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,522 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,522 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,523 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,523 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,523 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,523 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,524 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,524 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,524 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,524 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,525 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,525 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,525 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,525 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,526 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,526 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,526 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,526 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,526 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,527 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,527 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,527 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,527 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,528 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,528 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,528 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,528 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,528 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,529 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,529 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,529 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,529 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,530 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,530 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,530 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,530 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,530 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,531 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,531 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,531 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,531 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,532 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,532 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,532 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,532 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,532 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,533 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,533 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,533 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,533 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,534 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,534 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,534 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,534 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,534 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,535 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,535 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,535 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,535 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,536 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,536 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,536 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,536 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,537 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,537 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,537 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,537 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,538 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,538 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,538 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,538 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,538 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,539 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,539 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,539 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,539 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,540 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,540 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,540 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,540 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,541 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,541 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,541 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,541 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,542 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,542 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,542 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,542 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,543 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,543 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,543 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,543 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,543 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,544 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,544 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,544 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,544 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,544 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,545 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,545 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,545 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,545 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,545 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,546 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,546 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,546 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,546 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,547 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,547 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,547 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,547 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,548 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,548 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,548 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,548 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,549 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,549 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,549 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,550 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,550 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,550 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,550 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,550 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,551 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,551 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,551 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,551 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,552 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,552 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,552 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,552 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,553 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,553 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,553 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,553 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,554 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,554 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,554 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,554 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,554 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,555 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,555 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,555 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,555 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,556 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,556 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,556 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,556 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,556 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,557 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,557 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,557 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,557 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,558 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,558 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,558 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,558 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,558 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,559 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,559 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,559 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,559 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,559 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,560 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,560 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,560 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,560 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,561 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,561 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,561 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,561 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,562 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,562 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,562 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,562 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,562 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,563 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,563 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,563 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,563 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,564 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,564 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,564 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,564 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,564 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,565 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,565 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,565 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,565 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,566 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,566 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,566 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,566 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,566 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,567 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,567 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,567 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,567 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,568 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,568 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,568 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,568 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,568 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,569 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,569 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,569 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,569 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,570 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,570 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,570 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,570 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,570 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,571 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,571 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,571 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,571 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,572 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,572 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,572 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:26,573 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:26,573 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:26,573 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:26,573 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:26,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:09:26 BasicIcfg [2023-11-06 23:09:26,596 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:09:26,597 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:09:26,597 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:09:26,597 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:09:26,598 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:09:03" (3/4) ... [2023-11-06 23:09:26,600 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 23:09:26,602 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:09:26,602 INFO L158 Benchmark]: Toolchain (without parser) took 24916.40ms. Allocated memory was 134.2MB in the beginning and 383.8MB in the end (delta: 249.6MB). Free memory was 87.4MB in the beginning and 190.1MB in the end (delta: -102.7MB). Peak memory consumption was 147.2MB. Max. memory is 16.1GB. [2023-11-06 23:09:26,603 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 98.6MB. Free memory is still 50.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:09:26,603 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1046.01ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 87.4MB in the beginning and 122.0MB in the end (delta: -34.6MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2023-11-06 23:09:26,604 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.35ms. Allocated memory is still 169.9MB. Free memory was 122.0MB in the beginning and 119.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:09:26,604 INFO L158 Benchmark]: Boogie Preprocessor took 35.53ms. Allocated memory is still 169.9MB. Free memory was 119.9MB in the beginning and 117.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:09:26,605 INFO L158 Benchmark]: RCFGBuilder took 432.36ms. Allocated memory is still 169.9MB. Free memory was 117.8MB in the beginning and 103.9MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 23:09:26,605 INFO L158 Benchmark]: TraceAbstraction took 23316.63ms. Allocated memory was 169.9MB in the beginning and 383.8MB in the end (delta: 213.9MB). Free memory was 102.9MB in the beginning and 190.1MB in the end (delta: -87.2MB). Peak memory consumption was 125.9MB. Max. memory is 16.1GB. [2023-11-06 23:09:26,605 INFO L158 Benchmark]: Witness Printer took 5.00ms. Allocated memory is still 383.8MB. Free memory is still 190.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:09:26,607 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 98.6MB. Free memory is still 50.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1046.01ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 87.4MB in the beginning and 122.0MB in the end (delta: -34.6MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.35ms. Allocated memory is still 169.9MB. Free memory was 122.0MB in the beginning and 119.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.53ms. Allocated memory is still 169.9MB. Free memory was 119.9MB in the beginning and 117.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 432.36ms. Allocated memory is still 169.9MB. Free memory was 117.8MB in the beginning and 103.9MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 23316.63ms. Allocated memory was 169.9MB in the beginning and 383.8MB in the end (delta: 213.9MB). Free memory was 102.9MB in the beginning and 190.1MB in the end (delta: -87.2MB). Peak memory consumption was 125.9MB. Max. memory is 16.1GB. * Witness Printer took 5.00ms. Allocated memory is still 383.8MB. Free memory is still 190.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.6s, 91 PlacesBefore, 18 PlacesAfterwards, 95 TransitionsBefore, 16 TransitionsAfterwards, 768 CoEnabledTransitionPairs, 6 FixpointIterations, 57 TrivialSequentialCompositions, 29 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 5 ConcurrentYvCompositions, 6 ChoiceCompositions, 106 TotalNumberOfCompositions, 727 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 670, independent: 655, independent conditional: 0, independent unconditional: 655, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 413, independent: 406, independent conditional: 0, independent unconditional: 406, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 670, independent: 249, independent conditional: 0, independent unconditional: 249, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 413, unknown conditional: 0, unknown unconditional: 413] , Statistics on independence cache: Total cache size (in pairs): 16, Positive cache size: 14, Positive conditional cache size: 0, Positive unconditional cache size: 14, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - UnprovableResult [Line: 12]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 12. Possible FailurePath: [L1320] 0 int myglobal; [L1321] 0 pthread_mutex_t mymutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1340] 0 pthread_t mythread; [L1341] 0 int i; [L1342] FCALL, FORK 0 pthread_create( &mythread, ((void *)0), thread_function_datarace, ((void *)0)) VAL [arg={0:0}, myglobal=0, mythread={3:0}, pthread_create( &mythread, ((void *)0), thread_function_datarace, ((void *)0))=0] [L1342] COND FALSE 0 !(pthread_create( &mythread, ((void *)0), thread_function_datarace, ((void *)0))) [L1352] 0 i=0 VAL [arg={0:0}, i=0, myglobal=0, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=1, myglobal=1, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=2, myglobal=2, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=3, myglobal=3, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=4, myglobal=4, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=5, myglobal=5, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=6, myglobal=6, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=7, myglobal=7, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=8, myglobal=8, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=9, myglobal=9, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=10, myglobal=10, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=11, myglobal=11, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=12, myglobal=12, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=13, myglobal=13, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=14, myglobal=14, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=15, myglobal=15, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=16, myglobal=16, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=17, myglobal=17, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=18, myglobal=18, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=19, myglobal=19, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=20, myglobal=20, mythread={3:0}] [L1324] 1 int i,j; [L1325] 1 i=0 VAL [arg={0:0}, arg={0:0}, i=0, myglobal=20] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=1, j=21, myglobal=21] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=2, j=22, myglobal=22] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=3, j=23, myglobal=23] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=4, j=24, myglobal=24] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=5, j=25, myglobal=25] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=6, j=26, myglobal=26] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=7, j=27, myglobal=27] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=8, j=28, myglobal=28] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=9, j=29, myglobal=29] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=10, j=30, myglobal=30] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=11, j=31, myglobal=31] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=12, j=32, myglobal=32] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=13, j=33, myglobal=33] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=14, j=34, myglobal=34] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=15, j=35, myglobal=35] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=16, j=36, myglobal=36] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=17, j=37, myglobal=37] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=18, j=38, myglobal=38] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=19, j=39, myglobal=39] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=20, j=40, myglobal=40] [L1352] COND FALSE 0 !(i<20) [L1358] 0 \read(mythread) VAL [\read(mythread)=0, arg={0:0}, arg={0:0}, i=20, i=20, j=40, myglobal=40, mythread={3:0}] [L1325] COND FALSE 1 !(i<20) [L1336] 1 return ((void *)0); [L1358] FCALL, JOIN 1 pthread_join ( mythread, ((void *)0) ) VAL [\read(mythread)=0, \result={0:0}, arg={0:0}, arg={0:0}, i=20, i=20, j=40, myglobal=40, mythread={3:0}] [L1358] COND FALSE 0 !(pthread_join ( mythread, ((void *)0) )) [L1362] CALL 0 __VERIFIER_assert(myglobal != 40) [L13] COND TRUE 0 !(cond) [L13] CALL 0 reach_error() [L12] COND FALSE 0 !(0) [L12] 0 __assert_fail ("0", "pthread-demo-datarace-2.c", 25, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, arg={0:0}, arg={0:0}, i=20, j=40, myglobal=40] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1338]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 1342]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 110 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 23.0s, OverallIterations: 12, TraceHistogramMax: 20, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 14.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2110 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2011 mSDsluCounter, 107 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 92 mSDsCounter, 61 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1188 IncrementalHoareTripleChecker+Invalid, 1249 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 61 mSolverCounterUnsat, 15 mSDtfsCounter, 1188 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 567 GetRequests, 253 SyntacticMatches, 6 SemanticMatches, 308 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24759 ImplicationChecksByTransitivity, 10.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7680occurred in iteration=11, InterpolantAutomatonStates: 325, 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: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 407 NumberOfCodeBlocks, 399 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 463 ConstructedInterpolants, 0 QuantifiedInterpolants, 1123 SizeOfPredicates, 0 NumberOfNonLiveVariables, 917 ConjunctsInSsa, 43 ConjunctsInUnsatCore, 23 InterpolantComputations, 5 PerfectInterpolantSequences, 1335/1992 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 23:09:26,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 44de34ccc7195f8ba562241ad79de4cb2add35f6ad2c59de465184820d6f6382 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:09:29,381 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:09:29,518 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-11-06 23:09:29,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:09:29,540 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:09:29,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:09:29,580 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:09:29,580 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:09:29,582 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:09:29,587 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:09:29,589 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:09:29,589 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:09:29,590 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:09:29,592 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:09:29,592 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:09:29,593 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:09:29,593 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:09:29,594 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:09:29,594 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-06 23:09:29,595 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-06 23:09:29,595 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-06 23:09:29,596 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:09:29,596 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 23:09:29,597 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 23:09:29,597 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 23:09:29,598 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 23:09:29,598 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:09:29,599 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:09:29,600 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:09:29,600 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:09:29,602 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:09:29,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:09:29,603 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:09:29,603 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:09:29,604 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 23:09:29,604 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 23:09:29,604 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:09:29,604 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:09:29,605 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:09:29,606 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 23:09:29,606 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:09:29,607 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_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44de34ccc7195f8ba562241ad79de4cb2add35f6ad2c59de465184820d6f6382 [2023-11-06 23:09:30,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:09:30,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:09:30,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:09:30,071 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:09:30,071 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:09:30,073 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-3.i [2023-11-06 23:09:33,480 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:09:33,963 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:09:33,964 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/sv-benchmarks/c/pthread-C-DAC/pthread-demo-datarace-3.i [2023-11-06 23:09:33,992 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/data/6db0b0838/74466e838b934ea287df0847ad29fe66/FLAGbd1fe27eb [2023-11-06 23:09:34,010 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/data/6db0b0838/74466e838b934ea287df0847ad29fe66 [2023-11-06 23:09:34,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:09:34,019 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:09:34,024 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:09:34,024 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:09:34,029 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:09:34,030 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:09:34" (1/1) ... [2023-11-06 23:09:34,031 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10fd9aa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:34, skipping insertion in model container [2023-11-06 23:09:34,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:09:34" (1/1) ... [2023-11-06 23:09:34,118 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:09:34,908 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:09:34,926 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:09:35,056 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:09:35,171 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:09:35,171 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:09:35,179 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:09:35,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:35 WrapperNode [2023-11-06 23:09:35,180 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:09:35,182 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:09:35,182 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:09:35,182 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:09:35,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:35" (1/1) ... [2023-11-06 23:09:35,231 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:35" (1/1) ... [2023-11-06 23:09:35,278 INFO L138 Inliner]: procedures = 368, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2023-11-06 23:09:35,279 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:09:35,280 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:09:35,280 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:09:35,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:09:35,290 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:35" (1/1) ... [2023-11-06 23:09:35,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:35" (1/1) ... [2023-11-06 23:09:35,308 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:35" (1/1) ... [2023-11-06 23:09:35,315 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:35" (1/1) ... [2023-11-06 23:09:35,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:35" (1/1) ... [2023-11-06 23:09:35,334 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:35" (1/1) ... [2023-11-06 23:09:35,336 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:35" (1/1) ... [2023-11-06 23:09:35,344 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:35" (1/1) ... [2023-11-06 23:09:35,348 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:09:35,359 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:09:35,359 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:09:35,360 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:09:35,360 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:35" (1/1) ... [2023-11-06 23:09:35,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:09:35,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:09:35,402 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:09:35,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:09:35,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 23:09:35,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 23:09:35,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:09:35,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:09:35,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 23:09:35,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 23:09:35,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 23:09:35,464 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_datarace [2023-11-06 23:09:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_datarace [2023-11-06 23:09:35,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:09:35,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:09:35,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:09:35,468 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 23:09:35,663 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:09:35,664 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:09:35,906 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:09:35,914 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:09:35,915 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 23:09:35,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:09:35 BoogieIcfgContainer [2023-11-06 23:09:35,917 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:09:35,920 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:09:35,920 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:09:35,923 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:09:35,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:09:34" (1/3) ... [2023-11-06 23:09:35,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@580a2042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:09:35, skipping insertion in model container [2023-11-06 23:09:35,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:35" (2/3) ... [2023-11-06 23:09:35,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@580a2042 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:09:35, skipping insertion in model container [2023-11-06 23:09:35,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:09:35" (3/3) ... [2023-11-06 23:09:35,927 INFO L112 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-3.i [2023-11-06 23:09:35,948 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:09:35,948 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-06 23:09:35,949 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 23:09:36,021 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-06 23:09:36,061 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 98 places, 102 transitions, 211 flow [2023-11-06 23:09:36,108 INFO L124 PetriNetUnfolderBase]: 8/101 cut-off events. [2023-11-06 23:09:36,108 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-06 23:09:36,113 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 101 events. 8/101 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 101 event pairs, 0 based on Foata normal form. 0/87 useless extension candidates. Maximal degree in co-relation 40. Up to 2 conditions per place. [2023-11-06 23:09:36,114 INFO L82 GeneralOperation]: Start removeDead. Operand has 98 places, 102 transitions, 211 flow [2023-11-06 23:09:36,119 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 92 places, 96 transitions, 198 flow [2023-11-06 23:09:36,123 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 23:09:36,133 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 96 transitions, 198 flow [2023-11-06 23:09:36,136 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 96 transitions, 198 flow [2023-11-06 23:09:36,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 92 places, 96 transitions, 198 flow [2023-11-06 23:09:36,163 INFO L124 PetriNetUnfolderBase]: 8/96 cut-off events. [2023-11-06 23:09:36,163 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-06 23:09:36,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 96 events. 8/96 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 100 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 40. Up to 2 conditions per place. [2023-11-06 23:09:36,166 INFO L119 LiptonReduction]: Number of co-enabled transitions 768 [2023-11-06 23:09:40,616 INFO L134 LiptonReduction]: Checked pairs total: 728 [2023-11-06 23:09:40,616 INFO L136 LiptonReduction]: Total number of compositions: 107 [2023-11-06 23:09:40,632 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:09:40,639 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@566d98e1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:09:40,639 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-11-06 23:09:40,641 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 23:09:40,641 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-06 23:09:40,641 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 23:09:40,642 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:40,642 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-06 23:09:40,643 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2023-11-06 23:09:40,648 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:40,648 INFO L85 PathProgramCache]: Analyzing trace with hash 392, now seen corresponding path program 1 times [2023-11-06 23:09:40,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:09:40,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1616975355] [2023-11-06 23:09:40,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:40,662 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:09:40,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:09:40,664 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:09:40,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 23:09:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:40,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 3 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 23:09:40,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:09:40,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:40,808 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:09:40,808 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:09:40,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1616975355] [2023-11-06 23:09:40,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1616975355] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:40,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:40,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-06 23:09:40,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223832756] [2023-11-06 23:09:40,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:40,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:09:40,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:09:40,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:09:40,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:09:40,878 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 209 [2023-11-06 23:09:40,880 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 18 places, 16 transitions, 38 flow. Second operand has 2 states, 2 states have (on average 91.5) internal successors, (183), 2 states have internal predecessors, (183), 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) [2023-11-06 23:09:40,881 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:40,881 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 209 [2023-11-06 23:09:40,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:40,938 INFO L124 PetriNetUnfolderBase]: 21/44 cut-off events. [2023-11-06 23:09:40,939 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-06 23:09:40,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 44 events. 21/44 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 96 event pairs, 12 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 80. Up to 45 conditions per place. [2023-11-06 23:09:40,941 INFO L140 encePairwiseOnDemand]: 206/209 looper letters, 13 selfloop transitions, 0 changer transitions 0/13 dead transitions. [2023-11-06 23:09:40,941 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 16 places, 13 transitions, 58 flow [2023-11-06 23:09:40,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:09:40,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 23:09:40,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 198 transitions. [2023-11-06 23:09:40,956 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47368421052631576 [2023-11-06 23:09:40,957 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 198 transitions. [2023-11-06 23:09:40,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 198 transitions. [2023-11-06 23:09:40,959 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:40,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 198 transitions. [2023-11-06 23:09:40,965 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 99.0) internal successors, (198), 2 states have internal predecessors, (198), 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) [2023-11-06 23:09:40,971 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 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) [2023-11-06 23:09:40,972 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 209.0) internal successors, (627), 3 states have internal predecessors, (627), 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) [2023-11-06 23:09:40,974 INFO L175 Difference]: Start difference. First operand has 18 places, 16 transitions, 38 flow. Second operand 2 states and 198 transitions. [2023-11-06 23:09:40,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 16 places, 13 transitions, 58 flow [2023-11-06 23:09:40,977 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 14 places, 13 transitions, 54 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 23:09:40,978 INFO L231 Difference]: Finished difference. Result has 14 places, 13 transitions, 28 flow [2023-11-06 23:09:40,981 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=28, PETRI_PLACES=14, PETRI_TRANSITIONS=13} [2023-11-06 23:09:40,985 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, -4 predicate places. [2023-11-06 23:09:40,985 INFO L495 AbstractCegarLoop]: Abstraction has has 14 places, 13 transitions, 28 flow [2023-11-06 23:09:40,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 91.5) internal successors, (183), 2 states have internal predecessors, (183), 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) [2023-11-06 23:09:40,986 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:40,986 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-11-06 23:09:41,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 23:09:41,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:09:41,203 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2023-11-06 23:09:41,204 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:41,204 INFO L85 PathProgramCache]: Analyzing trace with hash 11995932, now seen corresponding path program 1 times [2023-11-06 23:09:41,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:09:41,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [313448043] [2023-11-06 23:09:41,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:41,205 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:09:41,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:09:41,206 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:09:41,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 23:09:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:41,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:09:41,279 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:09:41,346 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-06 23:09:41,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:41,377 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:09:41,377 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:09:41,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [313448043] [2023-11-06 23:09:41,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [313448043] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:41,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:41,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-06 23:09:41,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359285391] [2023-11-06 23:09:41,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:41,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:09:41,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:09:41,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:09:41,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:09:41,434 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 209 [2023-11-06 23:09:41,434 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 14 places, 13 transitions, 28 flow. Second operand has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 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) [2023-11-06 23:09:41,435 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:41,435 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 209 [2023-11-06 23:09:41,435 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:41,475 INFO L124 PetriNetUnfolderBase]: 17/36 cut-off events. [2023-11-06 23:09:41,475 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 23:09:41,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 36 events. 17/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 64 event pairs, 9 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 73. Up to 36 conditions per place. [2023-11-06 23:09:41,476 INFO L140 encePairwiseOnDemand]: 207/209 looper letters, 11 selfloop transitions, 1 changer transitions 0/12 dead transitions. [2023-11-06 23:09:41,476 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 15 places, 12 transitions, 50 flow [2023-11-06 23:09:41,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:09:41,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:09:41,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 268 transitions. [2023-11-06 23:09:41,480 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4274322169059011 [2023-11-06 23:09:41,480 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 268 transitions. [2023-11-06 23:09:41,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 268 transitions. [2023-11-06 23:09:41,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:41,481 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 268 transitions. [2023-11-06 23:09:41,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 89.33333333333333) internal successors, (268), 3 states have internal predecessors, (268), 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) [2023-11-06 23:09:41,486 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 209.0) internal successors, (836), 4 states have internal predecessors, (836), 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) [2023-11-06 23:09:41,486 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 209.0) internal successors, (836), 4 states have internal predecessors, (836), 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) [2023-11-06 23:09:41,487 INFO L175 Difference]: Start difference. First operand has 14 places, 13 transitions, 28 flow. Second operand 3 states and 268 transitions. [2023-11-06 23:09:41,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 15 places, 12 transitions, 50 flow [2023-11-06 23:09:41,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 15 places, 12 transitions, 50 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 23:09:41,488 INFO L231 Difference]: Finished difference. Result has 15 places, 12 transitions, 28 flow [2023-11-06 23:09:41,488 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=26, PETRI_DIFFERENCE_MINUEND_PLACES=13, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=28, PETRI_PLACES=15, PETRI_TRANSITIONS=12} [2023-11-06 23:09:41,489 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, -3 predicate places. [2023-11-06 23:09:41,489 INFO L495 AbstractCegarLoop]: Abstraction has has 15 places, 12 transitions, 28 flow [2023-11-06 23:09:41,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 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) [2023-11-06 23:09:41,490 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:41,490 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-11-06 23:09:41,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-06 23:09:41,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:09:41,703 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2023-11-06 23:09:41,703 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:41,703 INFO L85 PathProgramCache]: Analyzing trace with hash 11995931, now seen corresponding path program 1 times [2023-11-06 23:09:41,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:09:41,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1367634429] [2023-11-06 23:09:41,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:41,704 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:09:41,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:09:41,711 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:09:41,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-06 23:09:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:41,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:09:41,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:09:41,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:41,797 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:09:41,797 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:09:41,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1367634429] [2023-11-06 23:09:41,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1367634429] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:41,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:41,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:09:41,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408848670] [2023-11-06 23:09:41,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:41,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:09:41,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:09:41,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:09:41,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:09:41,819 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 85 out of 209 [2023-11-06 23:09:41,820 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 15 places, 12 transitions, 28 flow. Second operand has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 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) [2023-11-06 23:09:41,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:41,820 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 85 of 209 [2023-11-06 23:09:41,820 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:41,891 INFO L124 PetriNetUnfolderBase]: 21/44 cut-off events. [2023-11-06 23:09:41,892 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 23:09:41,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 44 events. 21/44 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 93 event pairs, 9 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 90. Up to 37 conditions per place. [2023-11-06 23:09:41,893 INFO L140 encePairwiseOnDemand]: 205/209 looper letters, 15 selfloop transitions, 2 changer transitions 0/17 dead transitions. [2023-11-06 23:09:41,893 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 17 places, 17 transitions, 72 flow [2023-11-06 23:09:41,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:09:41,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:09:41,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 274 transitions. [2023-11-06 23:09:41,896 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4370015948963317 [2023-11-06 23:09:41,896 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 274 transitions. [2023-11-06 23:09:41,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 274 transitions. [2023-11-06 23:09:41,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:41,897 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 274 transitions. [2023-11-06 23:09:41,898 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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) [2023-11-06 23:09:41,900 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 209.0) internal successors, (836), 4 states have internal predecessors, (836), 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) [2023-11-06 23:09:41,901 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 209.0) internal successors, (836), 4 states have internal predecessors, (836), 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) [2023-11-06 23:09:41,902 INFO L175 Difference]: Start difference. First operand has 15 places, 12 transitions, 28 flow. Second operand 3 states and 274 transitions. [2023-11-06 23:09:41,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 17 places, 17 transitions, 72 flow [2023-11-06 23:09:41,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 16 places, 17 transitions, 71 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 23:09:41,903 INFO L231 Difference]: Finished difference. Result has 17 places, 13 transitions, 41 flow [2023-11-06 23:09:41,903 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=27, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=41, PETRI_PLACES=17, PETRI_TRANSITIONS=13} [2023-11-06 23:09:41,904 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, -1 predicate places. [2023-11-06 23:09:41,905 INFO L495 AbstractCegarLoop]: Abstraction has has 17 places, 13 transitions, 41 flow [2023-11-06 23:09:41,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 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) [2023-11-06 23:09:41,905 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:41,906 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 23:09:41,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-06 23:09:42,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:09:42,117 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2023-11-06 23:09:42,117 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:42,117 INFO L85 PathProgramCache]: Analyzing trace with hash 371874590, now seen corresponding path program 1 times [2023-11-06 23:09:42,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:09:42,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1821560478] [2023-11-06 23:09:42,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:42,119 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:09:42,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:09:42,120 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:09:42,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-06 23:09:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:42,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:09:42,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:09:42,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:42,195 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:09:42,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:42,222 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:09:42,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1821560478] [2023-11-06 23:09:42,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1821560478] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:09:42,223 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:09:42,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-06 23:09:42,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953215269] [2023-11-06 23:09:42,224 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:09:42,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:09:42,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:09:42,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:09:42,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:09:42,273 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 209 [2023-11-06 23:09:42,274 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 17 places, 13 transitions, 41 flow. Second operand has 6 states, 6 states have (on average 85.33333333333333) internal successors, (512), 6 states have internal predecessors, (512), 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) [2023-11-06 23:09:42,274 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:42,274 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 209 [2023-11-06 23:09:42,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:42,446 INFO L124 PetriNetUnfolderBase]: 33/68 cut-off events. [2023-11-06 23:09:42,446 INFO L125 PetriNetUnfolderBase]: For 12/12 co-relation queries the response was YES. [2023-11-06 23:09:42,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 179 conditions, 68 events. 33/68 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 137 event pairs, 9 based on Foata normal form. 0/52 useless extension candidates. Maximal degree in co-relation 174. Up to 37 conditions per place. [2023-11-06 23:09:42,448 INFO L140 encePairwiseOnDemand]: 205/209 looper letters, 27 selfloop transitions, 5 changer transitions 0/32 dead transitions. [2023-11-06 23:09:42,448 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 32 transitions, 149 flow [2023-11-06 23:09:42,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:09:42,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 23:09:42,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 542 transitions. [2023-11-06 23:09:42,453 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43221690590111644 [2023-11-06 23:09:42,454 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 542 transitions. [2023-11-06 23:09:42,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 542 transitions. [2023-11-06 23:09:42,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:42,459 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 542 transitions. [2023-11-06 23:09:42,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 90.33333333333333) internal successors, (542), 6 states have internal predecessors, (542), 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) [2023-11-06 23:09:42,465 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 209.0) internal successors, (1463), 7 states have internal predecessors, (1463), 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) [2023-11-06 23:09:42,467 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 209.0) internal successors, (1463), 7 states have internal predecessors, (1463), 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) [2023-11-06 23:09:42,467 INFO L175 Difference]: Start difference. First operand has 17 places, 13 transitions, 41 flow. Second operand 6 states and 542 transitions. [2023-11-06 23:09:42,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 32 transitions, 149 flow [2023-11-06 23:09:42,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 21 places, 32 transitions, 145 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-06 23:09:42,471 INFO L231 Difference]: Finished difference. Result has 24 places, 16 transitions, 79 flow [2023-11-06 23:09:42,471 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=37, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=10, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=79, PETRI_PLACES=24, PETRI_TRANSITIONS=16} [2023-11-06 23:09:42,477 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 6 predicate places. [2023-11-06 23:09:42,478 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 16 transitions, 79 flow [2023-11-06 23:09:42,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 85.33333333333333) internal successors, (512), 6 states have internal predecessors, (512), 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) [2023-11-06 23:09:42,479 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:42,479 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1] [2023-11-06 23:09:42,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-11-06 23:09:42,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:09:42,690 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2023-11-06 23:09:42,690 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:42,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1795978203, now seen corresponding path program 2 times [2023-11-06 23:09:42,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:09:42,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1974939649] [2023-11-06 23:09:42,691 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 23:09:42,691 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:09:42,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:09:42,693 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:09:42,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-06 23:09:42,759 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 23:09:42,759 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 23:09:42,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:09:42,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:09:42,769 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-06 23:09:42,796 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-06 23:09:42,796 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:09:42,796 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:09:42,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1974939649] [2023-11-06 23:09:42,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1974939649] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:42,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:42,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-06 23:09:42,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58793060] [2023-11-06 23:09:42,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:42,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:09:42,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:09:42,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:09:42,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:09:42,850 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 82 out of 209 [2023-11-06 23:09:42,851 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 16 transitions, 79 flow. Second operand has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 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) [2023-11-06 23:09:42,851 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:42,851 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 82 of 209 [2023-11-06 23:09:42,851 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:42,890 INFO L124 PetriNetUnfolderBase]: 29/60 cut-off events. [2023-11-06 23:09:42,890 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2023-11-06 23:09:42,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 60 events. 29/60 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 103 event pairs, 18 based on Foata normal form. 0/53 useless extension candidates. Maximal degree in co-relation 194. Up to 60 conditions per place. [2023-11-06 23:09:42,892 INFO L140 encePairwiseOnDemand]: 207/209 looper letters, 14 selfloop transitions, 1 changer transitions 0/15 dead transitions. [2023-11-06 23:09:42,892 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 15 transitions, 99 flow [2023-11-06 23:09:42,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:09:42,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:09:42,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 258 transitions. [2023-11-06 23:09:42,895 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41148325358851673 [2023-11-06 23:09:42,895 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 258 transitions. [2023-11-06 23:09:42,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 258 transitions. [2023-11-06 23:09:42,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:42,895 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 258 transitions. [2023-11-06 23:09:42,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 86.0) internal successors, (258), 3 states have internal predecessors, (258), 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) [2023-11-06 23:09:42,898 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 209.0) internal successors, (836), 4 states have internal predecessors, (836), 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) [2023-11-06 23:09:42,899 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 209.0) internal successors, (836), 4 states have internal predecessors, (836), 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) [2023-11-06 23:09:42,900 INFO L175 Difference]: Start difference. First operand has 24 places, 16 transitions, 79 flow. Second operand 3 states and 258 transitions. [2023-11-06 23:09:42,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 15 transitions, 99 flow [2023-11-06 23:09:42,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 15 transitions, 85 flow, removed 6 selfloop flow, removed 1 redundant places. [2023-11-06 23:09:42,903 INFO L231 Difference]: Finished difference. Result has 24 places, 15 transitions, 57 flow [2023-11-06 23:09:42,903 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=55, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=57, PETRI_PLACES=24, PETRI_TRANSITIONS=15} [2023-11-06 23:09:42,904 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 6 predicate places. [2023-11-06 23:09:42,904 INFO L495 AbstractCegarLoop]: Abstraction has has 24 places, 15 transitions, 57 flow [2023-11-06 23:09:42,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.66666666666667) internal successors, (251), 3 states have internal predecessors, (251), 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) [2023-11-06 23:09:42,905 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:42,905 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:42,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-06 23:09:43,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:09:43,117 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2023-11-06 23:09:43,117 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:43,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1370978398, now seen corresponding path program 1 times [2023-11-06 23:09:43,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:09:43,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1177634492] [2023-11-06 23:09:43,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:43,120 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:09:43,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:09:43,121 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:09:43,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-06 23:09:43,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:43,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:09:43,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:09:43,227 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-06 23:09:43,227 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:09:43,228 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:09:43,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1177634492] [2023-11-06 23:09:43,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1177634492] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:43,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:43,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:09:43,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542682505] [2023-11-06 23:09:43,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:43,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:09:43,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:09:43,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:09:43,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:09:43,243 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 209 [2023-11-06 23:09:43,244 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 15 transitions, 57 flow. Second operand has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 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) [2023-11-06 23:09:43,244 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:43,245 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 209 [2023-11-06 23:09:43,245 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:43,306 INFO L124 PetriNetUnfolderBase]: 43/88 cut-off events. [2023-11-06 23:09:43,307 INFO L125 PetriNetUnfolderBase]: For 82/82 co-relation queries the response was YES. [2023-11-06 23:09:43,307 INFO L83 FinitePrefix]: Finished finitePrefix Result has 254 conditions, 88 events. 43/88 cut-off events. For 82/82 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 213 event pairs, 18 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 245. Up to 61 conditions per place. [2023-11-06 23:09:43,308 INFO L140 encePairwiseOnDemand]: 206/209 looper letters, 22 selfloop transitions, 2 changer transitions 0/24 dead transitions. [2023-11-06 23:09:43,309 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 26 places, 24 transitions, 145 flow [2023-11-06 23:09:43,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:09:43,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 23:09:43,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 278 transitions. [2023-11-06 23:09:43,311 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4433811802232855 [2023-11-06 23:09:43,311 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 278 transitions. [2023-11-06 23:09:43,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 278 transitions. [2023-11-06 23:09:43,312 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:43,312 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 278 transitions. [2023-11-06 23:09:43,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 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) [2023-11-06 23:09:43,315 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 209.0) internal successors, (836), 4 states have internal predecessors, (836), 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) [2023-11-06 23:09:43,316 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 209.0) internal successors, (836), 4 states have internal predecessors, (836), 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) [2023-11-06 23:09:43,316 INFO L175 Difference]: Start difference. First operand has 24 places, 15 transitions, 57 flow. Second operand 3 states and 278 transitions. [2023-11-06 23:09:43,316 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 26 places, 24 transitions, 145 flow [2023-11-06 23:09:43,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 25 places, 24 transitions, 144 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 23:09:43,319 INFO L231 Difference]: Finished difference. Result has 26 places, 16 transitions, 68 flow [2023-11-06 23:09:43,319 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=23, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=15, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=26, PETRI_TRANSITIONS=16} [2023-11-06 23:09:43,320 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 8 predicate places. [2023-11-06 23:09:43,320 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 16 transitions, 68 flow [2023-11-06 23:09:43,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.0) internal successors, (270), 3 states have internal predecessors, (270), 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) [2023-11-06 23:09:43,321 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:43,321 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:43,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-06 23:09:43,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:09:43,544 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2023-11-06 23:09:43,544 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:43,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1271639669, now seen corresponding path program 1 times [2023-11-06 23:09:43,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:09:43,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [743968937] [2023-11-06 23:09:43,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:43,545 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:09:43,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:09:43,549 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:09:43,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-06 23:09:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:43,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:09:43,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:09:43,664 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 23:09:43,677 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:09:43,727 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-06 23:09:43,728 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:09:43,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [743968937] [2023-11-06 23:09:43,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [743968937] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:09:43,728 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:09:43,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2023-11-06 23:09:43,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422625527] [2023-11-06 23:09:43,729 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:09:43,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:09:43,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:09:43,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:09:43,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:09:43,755 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 209 [2023-11-06 23:09:43,758 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 16 transitions, 68 flow. Second operand has 6 states, 6 states have (on average 89.0) internal successors, (534), 6 states have internal predecessors, (534), 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) [2023-11-06 23:09:43,759 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:43,759 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 209 [2023-11-06 23:09:43,759 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:43,905 INFO L124 PetriNetUnfolderBase]: 78/158 cut-off events. [2023-11-06 23:09:43,905 INFO L125 PetriNetUnfolderBase]: For 214/214 co-relation queries the response was YES. [2023-11-06 23:09:43,907 INFO L83 FinitePrefix]: Finished finitePrefix Result has 499 conditions, 158 events. 78/158 cut-off events. For 214/214 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 443 event pairs, 12 based on Foata normal form. 21/179 useless extension candidates. Maximal degree in co-relation 489. Up to 40 conditions per place. [2023-11-06 23:09:43,908 INFO L140 encePairwiseOnDemand]: 205/209 looper letters, 44 selfloop transitions, 6 changer transitions 0/50 dead transitions. [2023-11-06 23:09:43,908 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 50 transitions, 328 flow [2023-11-06 23:09:43,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:09:43,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 23:09:43,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 549 transitions. [2023-11-06 23:09:43,912 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43779904306220097 [2023-11-06 23:09:43,912 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 549 transitions. [2023-11-06 23:09:43,912 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 549 transitions. [2023-11-06 23:09:43,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:43,913 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 549 transitions. [2023-11-06 23:09:43,915 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 91.5) internal successors, (549), 6 states have internal predecessors, (549), 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) [2023-11-06 23:09:43,918 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 209.0) internal successors, (1463), 7 states have internal predecessors, (1463), 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) [2023-11-06 23:09:43,919 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 209.0) internal successors, (1463), 7 states have internal predecessors, (1463), 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) [2023-11-06 23:09:43,919 INFO L175 Difference]: Start difference. First operand has 26 places, 16 transitions, 68 flow. Second operand 6 states and 549 transitions. [2023-11-06 23:09:43,919 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 50 transitions, 328 flow [2023-11-06 23:09:43,921 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 50 transitions, 326 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 23:09:43,923 INFO L231 Difference]: Finished difference. Result has 34 places, 19 transitions, 106 flow [2023-11-06 23:09:43,923 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=106, PETRI_PLACES=34, PETRI_TRANSITIONS=19} [2023-11-06 23:09:43,924 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 16 predicate places. [2023-11-06 23:09:43,924 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 19 transitions, 106 flow [2023-11-06 23:09:43,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 89.0) internal successors, (534), 6 states have internal predecessors, (534), 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) [2023-11-06 23:09:43,925 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:43,925 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:43,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-11-06 23:09:44,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:09:44,137 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2023-11-06 23:09:44,138 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:44,138 INFO L85 PathProgramCache]: Analyzing trace with hash 47501880, now seen corresponding path program 2 times [2023-11-06 23:09:44,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:09:44,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1126351715] [2023-11-06 23:09:44,138 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 23:09:44,139 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:09:44,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:09:44,140 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:09:44,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-06 23:09:44,231 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 23:09:44,231 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 23:09:44,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 23:09:44,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:09:44,325 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-06 23:09:44,326 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:09:44,486 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-06 23:09:44,486 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:09:44,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1126351715] [2023-11-06 23:09:44,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1126351715] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:09:44,487 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:09:44,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2023-11-06 23:09:44,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403990357] [2023-11-06 23:09:44,487 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:09:44,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 23:09:44,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:09:44,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 23:09:44,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-06 23:09:44,561 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 209 [2023-11-06 23:09:44,563 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 19 transitions, 106 flow. Second operand has 12 states, 12 states have (on average 88.5) internal successors, (1062), 12 states have internal predecessors, (1062), 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) [2023-11-06 23:09:44,563 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:44,563 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 209 [2023-11-06 23:09:44,563 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:45,053 INFO L124 PetriNetUnfolderBase]: 162/326 cut-off events. [2023-11-06 23:09:45,053 INFO L125 PetriNetUnfolderBase]: For 627/627 co-relation queries the response was YES. [2023-11-06 23:09:45,055 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1299 conditions, 326 events. 162/326 cut-off events. For 627/627 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 915 event pairs, 12 based on Foata normal form. 42/368 useless extension candidates. Maximal degree in co-relation 1286. Up to 84 conditions per place. [2023-11-06 23:09:45,058 INFO L140 encePairwiseOnDemand]: 205/209 looper letters, 92 selfloop transitions, 12 changer transitions 0/104 dead transitions. [2023-11-06 23:09:45,059 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 104 transitions, 770 flow [2023-11-06 23:09:45,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 23:09:45,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-06 23:09:45,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1098 transitions. [2023-11-06 23:09:45,064 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43779904306220097 [2023-11-06 23:09:45,064 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1098 transitions. [2023-11-06 23:09:45,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1098 transitions. [2023-11-06 23:09:45,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:45,066 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1098 transitions. [2023-11-06 23:09:45,069 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 91.5) internal successors, (1098), 12 states have internal predecessors, (1098), 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) [2023-11-06 23:09:45,074 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 209.0) internal successors, (2717), 13 states have internal predecessors, (2717), 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) [2023-11-06 23:09:45,076 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 209.0) internal successors, (2717), 13 states have internal predecessors, (2717), 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) [2023-11-06 23:09:45,076 INFO L175 Difference]: Start difference. First operand has 34 places, 19 transitions, 106 flow. Second operand 12 states and 1098 transitions. [2023-11-06 23:09:45,077 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 104 transitions, 770 flow [2023-11-06 23:09:45,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 104 transitions, 750 flow, removed 9 selfloop flow, removed 1 redundant places. [2023-11-06 23:09:45,083 INFO L231 Difference]: Finished difference. Result has 51 places, 26 transitions, 194 flow [2023-11-06 23:09:45,083 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=19, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=194, PETRI_PLACES=51, PETRI_TRANSITIONS=26} [2023-11-06 23:09:45,084 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 33 predicate places. [2023-11-06 23:09:45,084 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 26 transitions, 194 flow [2023-11-06 23:09:45,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 88.5) internal successors, (1062), 12 states have internal predecessors, (1062), 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) [2023-11-06 23:09:45,085 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:45,085 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 10, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:45,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-11-06 23:09:45,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:09:45,303 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2023-11-06 23:09:45,303 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:45,303 INFO L85 PathProgramCache]: Analyzing trace with hash -405850618, now seen corresponding path program 3 times [2023-11-06 23:09:45,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:09:45,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1280011638] [2023-11-06 23:09:45,304 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-06 23:09:45,304 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:09:45,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:09:45,306 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:09:45,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-06 23:09:45,403 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-06 23:09:45,403 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 23:09:45,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 23:09:45,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:09:45,458 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-06 23:09:45,458 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:09:45,578 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-06 23:09:45,578 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:09:45,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1280011638] [2023-11-06 23:09:45,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1280011638] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:09:45,579 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:09:45,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2023-11-06 23:09:45,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891479276] [2023-11-06 23:09:45,579 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:09:45,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 23:09:45,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:09:45,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 23:09:45,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-06 23:09:45,641 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 209 [2023-11-06 23:09:45,643 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 26 transitions, 194 flow. Second operand has 12 states, 12 states have (on average 85.66666666666667) internal successors, (1028), 12 states have internal predecessors, (1028), 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) [2023-11-06 23:09:45,643 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:45,643 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 209 [2023-11-06 23:09:45,643 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:46,183 INFO L124 PetriNetUnfolderBase]: 300/602 cut-off events. [2023-11-06 23:09:46,184 INFO L125 PetriNetUnfolderBase]: For 3043/3043 co-relation queries the response was YES. [2023-11-06 23:09:46,187 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2744 conditions, 602 events. 300/602 cut-off events. For 3043/3043 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2400 event pairs, 44 based on Foata normal form. 138/740 useless extension candidates. Maximal degree in co-relation 2724. Up to 208 conditions per place. [2023-11-06 23:09:46,193 INFO L140 encePairwiseOnDemand]: 206/209 looper letters, 171 selfloop transitions, 11 changer transitions 0/182 dead transitions. [2023-11-06 23:09:46,193 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 182 transitions, 2054 flow [2023-11-06 23:09:46,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 23:09:46,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-06 23:09:46,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1075 transitions. [2023-11-06 23:09:46,199 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42862838915470497 [2023-11-06 23:09:46,199 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1075 transitions. [2023-11-06 23:09:46,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1075 transitions. [2023-11-06 23:09:46,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:46,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1075 transitions. [2023-11-06 23:09:46,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 89.58333333333333) internal successors, (1075), 12 states have internal predecessors, (1075), 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) [2023-11-06 23:09:46,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 209.0) internal successors, (2717), 13 states have internal predecessors, (2717), 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) [2023-11-06 23:09:46,210 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 209.0) internal successors, (2717), 13 states have internal predecessors, (2717), 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) [2023-11-06 23:09:46,210 INFO L175 Difference]: Start difference. First operand has 51 places, 26 transitions, 194 flow. Second operand 12 states and 1075 transitions. [2023-11-06 23:09:46,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 182 transitions, 2054 flow [2023-11-06 23:09:46,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 182 transitions, 1988 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-06 23:09:46,223 INFO L231 Difference]: Finished difference. Result has 65 places, 32 transitions, 272 flow [2023-11-06 23:09:46,224 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=272, PETRI_PLACES=65, PETRI_TRANSITIONS=32} [2023-11-06 23:09:46,224 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 47 predicate places. [2023-11-06 23:09:46,225 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 32 transitions, 272 flow [2023-11-06 23:09:46,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 85.66666666666667) internal successors, (1028), 12 states have internal predecessors, (1028), 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) [2023-11-06 23:09:46,226 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:46,226 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:46,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-11-06 23:09:46,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:09:46,438 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2023-11-06 23:09:46,438 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:46,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1834096806, now seen corresponding path program 4 times [2023-11-06 23:09:46,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:09:46,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1430650045] [2023-11-06 23:09:46,439 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-06 23:09:46,439 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:09:46,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:09:46,441 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:09:46,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-11-06 23:09:46,586 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-06 23:09:46,586 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 23:09:46,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-06 23:09:46,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:09:46,764 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 55 proven. 55 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-06 23:09:46,764 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:09:47,277 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 55 proven. 55 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-06 23:09:47,277 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:09:47,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1430650045] [2023-11-06 23:09:47,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1430650045] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:09:47,278 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:09:47,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2023-11-06 23:09:47,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242710984] [2023-11-06 23:09:47,278 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:09:47,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-06 23:09:47,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:09:47,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-06 23:09:47,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=387, Unknown=0, NotChecked=0, Total=552 [2023-11-06 23:09:47,484 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 209 [2023-11-06 23:09:47,486 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 32 transitions, 272 flow. Second operand has 24 states, 24 states have (on average 85.5) internal successors, (2052), 24 states have internal predecessors, (2052), 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) [2023-11-06 23:09:47,486 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:47,486 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 209 [2023-11-06 23:09:47,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:49,238 INFO L124 PetriNetUnfolderBase]: 530/1062 cut-off events. [2023-11-06 23:09:49,239 INFO L125 PetriNetUnfolderBase]: For 13731/13731 co-relation queries the response was YES. [2023-11-06 23:09:49,244 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5604 conditions, 1062 events. 530/1062 cut-off events. For 13731/13731 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 4608 event pairs, 44 based on Foata normal form. 230/1292 useless extension candidates. Maximal degree in co-relation 5577. Up to 438 conditions per place. [2023-11-06 23:09:49,254 INFO L140 encePairwiseOnDemand]: 206/209 looper letters, 321 selfloop transitions, 21 changer transitions 0/342 dead transitions. [2023-11-06 23:09:49,254 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 342 transitions, 3836 flow [2023-11-06 23:09:49,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-06 23:09:49,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2023-11-06 23:09:49,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 1969 transitions. [2023-11-06 23:09:49,263 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42822966507177035 [2023-11-06 23:09:49,263 INFO L72 ComplementDD]: Start complementDD. Operand 22 states and 1969 transitions. [2023-11-06 23:09:49,263 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 1969 transitions. [2023-11-06 23:09:49,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:49,265 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 22 states and 1969 transitions. [2023-11-06 23:09:49,271 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 23 states, 22 states have (on average 89.5) internal successors, (1969), 22 states have internal predecessors, (1969), 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) [2023-11-06 23:09:49,280 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 23 states, 23 states have (on average 209.0) internal successors, (4807), 23 states have internal predecessors, (4807), 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) [2023-11-06 23:09:49,282 INFO L81 ComplementDD]: Finished complementDD. Result has 23 states, 23 states have (on average 209.0) internal successors, (4807), 23 states have internal predecessors, (4807), 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) [2023-11-06 23:09:49,282 INFO L175 Difference]: Start difference. First operand has 65 places, 32 transitions, 272 flow. Second operand 22 states and 1969 transitions. [2023-11-06 23:09:49,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 342 transitions, 3836 flow [2023-11-06 23:09:49,302 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 342 transitions, 3768 flow, removed 29 selfloop flow, removed 5 redundant places. [2023-11-06 23:09:49,308 INFO L231 Difference]: Finished difference. Result has 91 places, 42 transitions, 368 flow [2023-11-06 23:09:49,309 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=224, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=368, PETRI_PLACES=91, PETRI_TRANSITIONS=42} [2023-11-06 23:09:49,310 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 73 predicate places. [2023-11-06 23:09:49,311 INFO L495 AbstractCegarLoop]: Abstraction has has 91 places, 42 transitions, 368 flow [2023-11-06 23:09:49,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 85.5) internal successors, (2052), 24 states have internal predecessors, (2052), 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) [2023-11-06 23:09:49,312 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:49,312 INFO L208 CegarLoopForPetriNet]: trace histogram [20, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:49,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-11-06 23:09:49,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:09:49,525 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2023-11-06 23:09:49,525 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:49,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1167958372, now seen corresponding path program 5 times [2023-11-06 23:09:49,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:09:49,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [127836482] [2023-11-06 23:09:49,526 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-06 23:09:49,526 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:09:49,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:09:49,527 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:09:49,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-11-06 23:09:49,702 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2023-11-06 23:09:49,702 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 23:09:49,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 23:09:49,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:09:49,934 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 20 proven. 100 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-06 23:09:49,935 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:09:50,975 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 20 proven. 100 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-06 23:09:50,975 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:09:50,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [127836482] [2023-11-06 23:09:50,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [127836482] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:09:50,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:09:50,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 25 [2023-11-06 23:09:50,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481488260] [2023-11-06 23:09:50,976 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:09:50,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-06 23:09:50,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:09:50,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-06 23:09:50,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=421, Unknown=0, NotChecked=0, Total=600 [2023-11-06 23:09:51,234 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 209 [2023-11-06 23:09:51,237 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 42 transitions, 368 flow. Second operand has 25 states, 25 states have (on average 88.12) internal successors, (2203), 25 states have internal predecessors, (2203), 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) [2023-11-06 23:09:51,237 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 23:09:51,237 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 209 [2023-11-06 23:09:51,238 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 23:09:54,145 INFO L124 PetriNetUnfolderBase]: 1105/2189 cut-off events. [2023-11-06 23:09:54,145 INFO L125 PetriNetUnfolderBase]: For 25555/25555 co-relation queries the response was YES. [2023-11-06 23:09:54,158 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12530 conditions, 2189 events. 1105/2189 cut-off events. For 25555/25555 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 9877 event pairs, 22 based on Foata normal form. 253/2442 useless extension candidates. Maximal degree in co-relation 12493. Up to 612 conditions per place. [2023-11-06 23:09:54,179 INFO L140 encePairwiseOnDemand]: 205/209 looper letters, 600 selfloop transitions, 27 changer transitions 0/627 dead transitions. [2023-11-06 23:09:54,180 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 627 transitions, 7120 flow [2023-11-06 23:09:54,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-06 23:09:54,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2023-11-06 23:09:54,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 2374 transitions. [2023-11-06 23:09:54,190 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4368789105631211 [2023-11-06 23:09:54,191 INFO L72 ComplementDD]: Start complementDD. Operand 26 states and 2374 transitions. [2023-11-06 23:09:54,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 2374 transitions. [2023-11-06 23:09:54,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:09:54,193 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 26 states and 2374 transitions. [2023-11-06 23:09:54,200 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 91.3076923076923) internal successors, (2374), 26 states have internal predecessors, (2374), 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) [2023-11-06 23:09:54,210 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 27 states, 27 states have (on average 209.0) internal successors, (5643), 27 states have internal predecessors, (5643), 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) [2023-11-06 23:09:54,213 INFO L81 ComplementDD]: Finished complementDD. Result has 27 states, 27 states have (on average 209.0) internal successors, (5643), 27 states have internal predecessors, (5643), 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) [2023-11-06 23:09:54,213 INFO L175 Difference]: Start difference. First operand has 91 places, 42 transitions, 368 flow. Second operand 26 states and 2374 transitions. [2023-11-06 23:09:54,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 627 transitions, 7120 flow [2023-11-06 23:09:54,303 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 627 transitions, 5020 flow, removed 775 selfloop flow, removed 11 redundant places. [2023-11-06 23:09:54,312 INFO L231 Difference]: Finished difference. Result has 107 places, 57 transitions, 511 flow [2023-11-06 23:09:54,312 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=511, PETRI_PLACES=107, PETRI_TRANSITIONS=57} [2023-11-06 23:09:54,313 INFO L281 CegarLoopForPetriNet]: 18 programPoint places, 89 predicate places. [2023-11-06 23:09:54,313 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 57 transitions, 511 flow [2023-11-06 23:09:54,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 88.12) internal successors, (2203), 25 states have internal predecessors, (2203), 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) [2023-11-06 23:09:54,314 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 23:09:54,315 INFO L208 CegarLoopForPetriNet]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:54,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2023-11-06 23:09:54,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:09:54,540 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 4 more)] === [2023-11-06 23:09:54,540 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:54,540 INFO L85 PathProgramCache]: Analyzing trace with hash 541296238, now seen corresponding path program 6 times [2023-11-06 23:09:54,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:09:54,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2061275112] [2023-11-06 23:09:54,541 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-06 23:09:54,541 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:09:54,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:09:54,543 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:09:54,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-11-06 23:09:54,881 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2023-11-06 23:09:54,881 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2023-11-06 23:09:54,882 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:09:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:09:55,218 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2023-11-06 23:09:55,219 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 23:09:55,220 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (6 of 7 remaining) [2023-11-06 23:09:55,222 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 7 remaining) [2023-11-06 23:09:55,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 7 remaining) [2023-11-06 23:09:55,223 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 7 remaining) [2023-11-06 23:09:55,224 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 7 remaining) [2023-11-06 23:09:55,224 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (1 of 7 remaining) [2023-11-06 23:09:55,224 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 7 remaining) [2023-11-06 23:09:55,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2023-11-06 23:09:55,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:09:55,440 INFO L445 BasicCegarLoop]: Path program histogram: [6, 2, 1, 1, 1, 1] [2023-11-06 23:09:55,444 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 23:09:55,445 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:09:55,508 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,517 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,518 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,518 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,518 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,519 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,519 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,519 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,519 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,520 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,520 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,520 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,521 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,521 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,521 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,522 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,522 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,522 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,523 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,523 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,523 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,523 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,524 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,524 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,524 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,524 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,524 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,525 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,525 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,525 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,525 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,526 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,526 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,526 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,526 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,526 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,527 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,527 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,527 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,529 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,529 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,529 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,530 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,530 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,530 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,530 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,530 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,530 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,530 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,530 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,531 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,531 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,531 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,531 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,531 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,531 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,531 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,531 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,532 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,532 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,532 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,532 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,532 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,532 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,532 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,533 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,533 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,533 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,533 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,533 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,533 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,533 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,534 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,534 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,534 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,534 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,535 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,535 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,535 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,535 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,535 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,536 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,536 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,536 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,536 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,537 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,537 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,537 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,537 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,537 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,538 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,538 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,538 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,538 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,538 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,539 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,539 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,539 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,539 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,540 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,540 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,540 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,540 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,540 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,541 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,541 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,541 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,541 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,542 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,542 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,542 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,542 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,542 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,543 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,543 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,543 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,543 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,544 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,544 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,544 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,544 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,545 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,545 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,545 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,545 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,545 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,546 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,546 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,546 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,546 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,547 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,547 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,547 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,547 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,547 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,548 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,548 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,548 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,548 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,548 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,549 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,549 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,549 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,549 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,550 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,550 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,550 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,550 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,551 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,551 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,551 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,551 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,552 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,552 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,552 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,552 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,552 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,553 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,553 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,553 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,553 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,554 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,554 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,554 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,554 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,555 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,555 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,555 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,555 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,555 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,556 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,556 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,556 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,556 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,556 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,557 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,557 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,557 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,557 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,558 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,558 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,558 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,558 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,559 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,559 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,559 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,559 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,559 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,560 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,560 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,560 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,560 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,561 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,561 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,561 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,561 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,562 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,562 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,562 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,562 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,563 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,563 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,563 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,563 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,563 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,564 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,564 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,564 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,564 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,564 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,565 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,565 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,565 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,565 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,566 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,566 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,566 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,566 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,567 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,567 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,567 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,567 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,568 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,568 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,568 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,568 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count [2023-11-06 23:09:55,569 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind [2023-11-06 23:09:55,569 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock [2023-11-06 23:09:55,569 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers [2023-11-06 23:09:55,569 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner [2023-11-06 23:09:55,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:09:55 BasicIcfg [2023-11-06 23:09:55,590 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:09:55,591 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:09:55,592 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:09:55,592 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:09:55,593 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:09:35" (3/4) ... [2023-11-06 23:09:55,595 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 23:09:55,596 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:09:55,597 INFO L158 Benchmark]: Toolchain (without parser) took 21578.31ms. Allocated memory was 92.3MB in the beginning and 161.5MB in the end (delta: 69.2MB). Free memory was 66.3MB in the beginning and 65.0MB in the end (delta: 1.3MB). Peak memory consumption was 71.8MB. Max. memory is 16.1GB. [2023-11-06 23:09:55,598 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 60.8MB. Free memory was 37.1MB in the beginning and 37.0MB in the end (delta: 62.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:09:55,599 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1157.09ms. Allocated memory is still 92.3MB. Free memory was 66.1MB in the beginning and 48.1MB in the end (delta: 18.0MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2023-11-06 23:09:55,599 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.15ms. Allocated memory is still 92.3MB. Free memory was 48.1MB in the beginning and 45.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:09:55,600 INFO L158 Benchmark]: Boogie Preprocessor took 78.17ms. Allocated memory is still 92.3MB. Free memory was 45.3MB in the beginning and 43.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:09:55,600 INFO L158 Benchmark]: RCFGBuilder took 558.48ms. Allocated memory is still 92.3MB. Free memory was 43.5MB in the beginning and 58.1MB in the end (delta: -14.6MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2023-11-06 23:09:55,601 INFO L158 Benchmark]: TraceAbstraction took 19670.59ms. Allocated memory was 92.3MB in the beginning and 161.5MB in the end (delta: 69.2MB). Free memory was 57.5MB in the beginning and 65.0MB in the end (delta: -7.6MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. [2023-11-06 23:09:55,601 INFO L158 Benchmark]: Witness Printer took 5.16ms. Allocated memory is still 161.5MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:09:55,606 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 60.8MB. Free memory was 37.1MB in the beginning and 37.0MB in the end (delta: 62.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1157.09ms. Allocated memory is still 92.3MB. Free memory was 66.1MB in the beginning and 48.1MB in the end (delta: 18.0MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.15ms. Allocated memory is still 92.3MB. Free memory was 48.1MB in the beginning and 45.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.17ms. Allocated memory is still 92.3MB. Free memory was 45.3MB in the beginning and 43.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 558.48ms. Allocated memory is still 92.3MB. Free memory was 43.5MB in the beginning and 58.1MB in the end (delta: -14.6MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * TraceAbstraction took 19670.59ms. Allocated memory was 92.3MB in the beginning and 161.5MB in the end (delta: 69.2MB). Free memory was 57.5MB in the beginning and 65.0MB in the end (delta: -7.6MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB. * Witness Printer took 5.16ms. Allocated memory is still 161.5MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~mymutex~0.__data.__owner - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.5s, 92 PlacesBefore, 18 PlacesAfterwards, 96 TransitionsBefore, 16 TransitionsAfterwards, 768 CoEnabledTransitionPairs, 6 FixpointIterations, 54 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 13 TrivialYvCompositions, 6 ConcurrentYvCompositions, 6 ChoiceCompositions, 107 TotalNumberOfCompositions, 728 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 671, independent: 656, independent conditional: 0, independent unconditional: 656, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 414, independent: 407, independent conditional: 0, independent unconditional: 407, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 671, independent: 249, independent conditional: 0, independent unconditional: 249, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 414, unknown conditional: 0, unknown unconditional: 414] , Statistics on independence cache: Total cache size (in pairs): 16, Positive cache size: 14, Positive conditional cache size: 0, Positive unconditional cache size: 14, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - UnprovableResult [Line: 12]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 12. Possible FailurePath: [L1320] 0 int myglobal; [L1321] 0 pthread_mutex_t mymutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1340] 0 pthread_t mythread; [L1341] 0 int i; [L1342] FCALL, FORK 0 pthread_create( &mythread, ((void *)0), thread_function_datarace, ((void *)0)) VAL [arg={0:0}, myglobal=0, mythread={3:0}, pthread_create( &mythread, ((void *)0), thread_function_datarace, ((void *)0))=-1] [L1342] COND FALSE 0 !(pthread_create( &mythread, ((void *)0), thread_function_datarace, ((void *)0))) [L1352] 0 i=0 VAL [arg={0:0}, i=0, myglobal=0, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=1, myglobal=1, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=2, myglobal=2, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=3, myglobal=3, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=4, myglobal=4, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=5, myglobal=5, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=6, myglobal=6, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=7, myglobal=7, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=8, myglobal=8, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=9, myglobal=9, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=10, myglobal=10, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=11, myglobal=11, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=12, myglobal=12, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=13, myglobal=13, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=14, myglobal=14, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=15, myglobal=15, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=16, myglobal=16, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=17, myglobal=17, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=18, myglobal=18, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=19, myglobal=19, mythread={3:0}] [L1352] COND TRUE 0 i<20 [L1355] 0 myglobal=myglobal+1 [L1352] 0 i++ VAL [arg={0:0}, i=20, myglobal=20, mythread={3:0}] [L1352] COND FALSE 0 !(i<20) [L1358] 0 \read(mythread) VAL [\read(mythread)=-1, arg={0:0}, i=20, myglobal=20, mythread={3:0}] [L1324] 1 int i,j; [L1325] 1 i=0 VAL [arg={0:0}, arg={0:0}, i=0, myglobal=20] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=1, j=21, myglobal=21] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=2, j=22, myglobal=22] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=3, j=23, myglobal=23] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=4, j=24, myglobal=24] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=5, j=25, myglobal=25] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=6, j=26, myglobal=26] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=7, j=27, myglobal=27] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=8, j=28, myglobal=28] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=9, j=29, myglobal=29] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=10, j=30, myglobal=30] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=11, j=31, myglobal=31] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=12, j=32, myglobal=32] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=13, j=33, myglobal=33] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=14, j=34, myglobal=34] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=15, j=35, myglobal=35] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=16, j=36, myglobal=36] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=17, j=37, myglobal=37] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=18, j=38, myglobal=38] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=19, j=39, myglobal=39] [L1325] COND TRUE 1 i<20 [L1328] 1 j=myglobal [L1330] 1 j=j+1 [L1333] 1 myglobal=j [L1325] 1 i++ VAL [arg={0:0}, arg={0:0}, i=20, j=40, myglobal=40] [L1325] COND FALSE 1 !(i<20) [L1336] 1 return ((void *)0); [L1358] FCALL, JOIN 1 pthread_join ( mythread, ((void *)0) ) VAL [\read(mythread)=-1, \result={0:0}, arg={0:0}, arg={0:0}, i=20, i=20, j=40, myglobal=40, mythread={3:0}] [L1358] COND FALSE 0 !(pthread_join ( mythread, ((void *)0) )) [L1362] CALL 0 __VERIFIER_assert(myglobal != 40) [L13] COND TRUE 0 !(cond) [L13] CALL 0 reach_error() [L12] COND FALSE 0 !(0) [L12] 0 __assert_fail ("0", "pthread-demo-datarace-2.c", 25, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, arg={0:0}, arg={0:0}, i=20, j=40, myglobal=40] - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: -1]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 1338]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 1342]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 111 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 19.4s, OverallIterations: 12, TraceHistogramMax: 20, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 7.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1410 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1335 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 74 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2774 IncrementalHoareTripleChecker+Invalid, 2848 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 74 mSolverCounterUnsat, 7 mSDtfsCounter, 2774 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 367 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=511occurred in iteration=11, InterpolantAutomatonStates: 98, 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: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 254 NumberOfCodeBlocks, 236 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 326 ConstructedInterpolants, 0 QuantifiedInterpolants, 1176 SizeOfPredicates, 0 NumberOfNonLiveVariables, 730 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 17 InterpolantComputations, 5 PerfectInterpolantSequences, 880/1246 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 23:09:55,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20f57a2d-feda-4f13-b62b-393903a192ec/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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: UNKNOWN: Overapproximated counterexample