./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/mix006_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 4fc63b2a 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_104e86c2-3ca3-4df9-8f64-adbe9409e625/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104e86c2-3ca3-4df9-8f64-adbe9409e625/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104e86c2-3ca3-4df9-8f64-adbe9409e625/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104e86c2-3ca3-4df9-8f64-adbe9409e625/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/mix006_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104e86c2-3ca3-4df9-8f64-adbe9409e625/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104e86c2-3ca3-4df9-8f64-adbe9409e625/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a555daf8b3d43d9709cd95be6561d3a47f75ee906fd0e296710c365eb1f220a2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:12:41,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:12:41,696 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104e86c2-3ca3-4df9-8f64-adbe9409e625/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-10-31 22:12:41,704 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:12:41,706 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:12:41,742 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:12:41,743 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:12:41,744 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:12:41,745 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:12:41,746 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:12:41,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:12:41,747 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:12:41,748 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:12:41,748 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:12:41,748 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:12:41,749 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:12:41,749 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:12:41,750 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:12:41,750 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:12:41,750 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:12:41,756 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-10-31 22:12:41,757 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-10-31 22:12:41,757 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-10-31 22:12:41,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:12:41,758 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:12:41,758 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:12:41,758 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:12:41,759 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:12:41,759 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:12:41,759 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:12:41,760 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:12:41,760 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:12:41,760 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:12:41,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:12:41,764 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:12:41,764 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:12:41,764 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:12:41,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:12:41,765 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:12:41,765 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:12:41,766 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:12:41,766 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:12:41,766 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_104e86c2-3ca3-4df9-8f64-adbe9409e625/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104e86c2-3ca3-4df9-8f64-adbe9409e625/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a555daf8b3d43d9709cd95be6561d3a47f75ee906fd0e296710c365eb1f220a2 [2024-10-31 22:12:42,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:12:42,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:12:42,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:12:42,104 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:12:42,105 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:12:42,106 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104e86c2-3ca3-4df9-8f64-adbe9409e625/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/pthread-wmm/mix006_tso.oepc.i Unable to find full path for "g++" [2024-10-31 22:12:44,243 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:12:44,593 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:12:44,597 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104e86c2-3ca3-4df9-8f64-adbe9409e625/sv-benchmarks/c/pthread-wmm/mix006_tso.oepc.i [2024-10-31 22:12:44,622 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104e86c2-3ca3-4df9-8f64-adbe9409e625/bin/uautomizer-verify-4GaUIPS5ZU/data/9a2c260df/aaa5030b70c94a6d9f4b186d1ab64a06/FLAG1a4bd7f2a [2024-10-31 22:12:44,642 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104e86c2-3ca3-4df9-8f64-adbe9409e625/bin/uautomizer-verify-4GaUIPS5ZU/data/9a2c260df/aaa5030b70c94a6d9f4b186d1ab64a06 [2024-10-31 22:12:44,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:12:44,647 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:12:44,650 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:12:44,651 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:12:44,656 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:12:44,657 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:12:44" (1/1) ... [2024-10-31 22:12:44,658 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31a30d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:44, skipping insertion in model container [2024-10-31 22:12:44,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:12:44" (1/1) ... [2024-10-31 22:12:44,726 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:12:45,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:12:45,294 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:12:45,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:12:45,449 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:12:45,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:45 WrapperNode [2024-10-31 22:12:45,450 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:12:45,452 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:12:45,452 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:12:45,452 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:12:45,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:45" (1/1) ... [2024-10-31 22:12:45,485 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:45" (1/1) ... [2024-10-31 22:12:45,564 INFO L138 Inliner]: procedures = 175, calls = 48, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 265 [2024-10-31 22:12:45,568 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:12:45,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:12:45,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:12:45,569 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:12:45,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:45" (1/1) ... [2024-10-31 22:12:45,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:45" (1/1) ... [2024-10-31 22:12:45,586 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:45" (1/1) ... [2024-10-31 22:12:45,609 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:12:45,610 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:45" (1/1) ... [2024-10-31 22:12:45,610 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:45" (1/1) ... [2024-10-31 22:12:45,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:45" (1/1) ... [2024-10-31 22:12:45,640 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:45" (1/1) ... [2024-10-31 22:12:45,646 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:45" (1/1) ... [2024-10-31 22:12:45,653 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:45" (1/1) ... [2024-10-31 22:12:45,659 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:12:45,664 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:12:45,665 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:12:45,666 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:12:45,667 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:45" (1/1) ... [2024-10-31 22:12:45,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:12:45,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104e86c2-3ca3-4df9-8f64-adbe9409e625/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:45,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104e86c2-3ca3-4df9-8f64-adbe9409e625/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:45,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_104e86c2-3ca3-4df9-8f64-adbe9409e625/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:12:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-31 22:12:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:12:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-31 22:12:45,748 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-31 22:12:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-31 22:12:45,749 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-31 22:12:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-31 22:12:45,750 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-31 22:12:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:12:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-31 22:12:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:12:45,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:12:45,754 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:12:45,964 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:12:45,967 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:12:46,617 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:12:46,617 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:12:47,159 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:12:47,160 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:12:47,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:47 BoogieIcfgContainer [2024-10-31 22:12:47,160 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:12:47,163 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:12:47,163 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:12:47,167 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:12:47,167 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:12:44" (1/3) ... [2024-10-31 22:12:47,168 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@763c7be5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:12:47, skipping insertion in model container [2024-10-31 22:12:47,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:45" (2/3) ... [2024-10-31 22:12:47,169 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@763c7be5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:12:47, skipping insertion in model container [2024-10-31 22:12:47,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:47" (3/3) ... [2024-10-31 22:12:47,170 INFO L112 eAbstractionObserver]: Analyzing ICFG mix006_tso.oepc.i [2024-10-31 22:12:47,191 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:12:47,192 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-31 22:12:47,192 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:12:47,269 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-31 22:12:47,326 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 55 places, 47 transitions, 106 flow [2024-10-31 22:12:47,362 INFO L124 PetriNetUnfolderBase]: 2/44 cut-off events. [2024-10-31 22:12:47,362 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:12:47,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54 conditions, 44 events. 2/44 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 81 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 46. Up to 2 conditions per place. [2024-10-31 22:12:47,368 INFO L82 GeneralOperation]: Start removeDead. Operand has 55 places, 47 transitions, 106 flow [2024-10-31 22:12:47,374 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 52 places, 44 transitions, 97 flow [2024-10-31 22:12:47,391 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:12:47,399 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7d7b2a39, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:12:47,399 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-10-31 22:12:47,406 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:12:47,406 INFO L124 PetriNetUnfolderBase]: 0/9 cut-off events. [2024-10-31 22:12:47,406 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:12:47,406 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:12:47,407 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:12:47,408 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-10-31 22:12:47,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:47,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1131004552, now seen corresponding path program 1 times [2024-10-31 22:12:47,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:47,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324095747] [2024-10-31 22:12:47,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:47,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:48,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:48,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:48,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324095747] [2024-10-31 22:12:48,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324095747] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:48,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:48,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-31 22:12:48,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483954389] [2024-10-31 22:12:48,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:48,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:12:48,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:48,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:12:48,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:12:48,172 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 47 [2024-10-31 22:12:48,174 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 44 transitions, 97 flow. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:48,174 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:12:48,174 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 47 [2024-10-31 22:12:48,175 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:12:49,610 INFO L124 PetriNetUnfolderBase]: 2219/3511 cut-off events. [2024-10-31 22:12:49,611 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-10-31 22:12:49,623 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6794 conditions, 3511 events. 2219/3511 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 23279 event pairs, 234 based on Foata normal form. 216/3553 useless extension candidates. Maximal degree in co-relation 6783. Up to 2826 conditions per place. [2024-10-31 22:12:49,644 INFO L140 encePairwiseOnDemand]: 42/47 looper letters, 41 selfloop transitions, 2 changer transitions 0/57 dead transitions. [2024-10-31 22:12:49,645 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 57 transitions, 212 flow [2024-10-31 22:12:49,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:12:49,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:12:49,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 99 transitions. [2024-10-31 22:12:49,657 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7021276595744681 [2024-10-31 22:12:49,659 INFO L175 Difference]: Start difference. First operand has 52 places, 44 transitions, 97 flow. Second operand 3 states and 99 transitions. [2024-10-31 22:12:49,660 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 57 transitions, 212 flow [2024-10-31 22:12:49,664 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 57 transitions, 208 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-31 22:12:49,668 INFO L231 Difference]: Finished difference. Result has 49 places, 40 transitions, 90 flow [2024-10-31 22:12:49,672 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=90, PETRI_PLACES=49, PETRI_TRANSITIONS=40} [2024-10-31 22:12:49,678 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, -3 predicate places. [2024-10-31 22:12:49,678 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 40 transitions, 90 flow [2024-10-31 22:12:49,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:49,679 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:12:49,680 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:49,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:12:49,680 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P2Err0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-10-31 22:12:49,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:49,683 INFO L85 PathProgramCache]: Analyzing trace with hash 267493635, now seen corresponding path program 1 times [2024-10-31 22:12:49,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:49,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498198872] [2024-10-31 22:12:49,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:49,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:49,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:49,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:49,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498198872] [2024-10-31 22:12:49,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498198872] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:49,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:49,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-31 22:12:49,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424924785] [2024-10-31 22:12:49,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:49,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:12:49,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:49,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:12:49,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:12:49,997 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 47 [2024-10-31 22:12:49,998 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 40 transitions, 90 flow. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:49,998 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:12:49,998 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 47 [2024-10-31 22:12:49,999 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:12:51,002 INFO L124 PetriNetUnfolderBase]: 1832/3118 cut-off events. [2024-10-31 22:12:51,002 INFO L125 PetriNetUnfolderBase]: For 141/141 co-relation queries the response was YES. [2024-10-31 22:12:51,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5992 conditions, 3118 events. 1832/3118 cut-off events. For 141/141 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 20673 event pairs, 284 based on Foata normal form. 0/3103 useless extension candidates. Maximal degree in co-relation 5982. Up to 2197 conditions per place. [2024-10-31 22:12:51,024 INFO L140 encePairwiseOnDemand]: 44/47 looper letters, 36 selfloop transitions, 2 changer transitions 2/54 dead transitions. [2024-10-31 22:12:51,024 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 54 transitions, 200 flow [2024-10-31 22:12:51,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:12:51,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:12:51,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 92 transitions. [2024-10-31 22:12:51,026 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6524822695035462 [2024-10-31 22:12:51,026 INFO L175 Difference]: Start difference. First operand has 49 places, 40 transitions, 90 flow. Second operand 3 states and 92 transitions. [2024-10-31 22:12:51,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 54 transitions, 200 flow [2024-10-31 22:12:51,028 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 54 transitions, 194 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:12:51,029 INFO L231 Difference]: Finished difference. Result has 48 places, 38 transitions, 86 flow [2024-10-31 22:12:51,030 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=86, PETRI_PLACES=48, PETRI_TRANSITIONS=38} [2024-10-31 22:12:51,031 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, -4 predicate places. [2024-10-31 22:12:51,031 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 38 transitions, 86 flow [2024-10-31 22:12:51,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:51,032 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:12:51,032 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:51,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:12:51,032 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-10-31 22:12:51,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:51,033 INFO L85 PathProgramCache]: Analyzing trace with hash -285336126, now seen corresponding path program 1 times [2024-10-31 22:12:51,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:51,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110553643] [2024-10-31 22:12:51,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:51,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:51,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:51,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:51,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110553643] [2024-10-31 22:12:51,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110553643] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:51,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:51,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-31 22:12:51,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241681845] [2024-10-31 22:12:51,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:51,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:12:51,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:51,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:12:51,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:12:51,169 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 47 [2024-10-31 22:12:51,169 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 38 transitions, 86 flow. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:51,169 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:12:51,170 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 47 [2024-10-31 22:12:51,170 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:12:52,057 INFO L124 PetriNetUnfolderBase]: 1625/2821 cut-off events. [2024-10-31 22:12:52,057 INFO L125 PetriNetUnfolderBase]: For 144/144 co-relation queries the response was YES. [2024-10-31 22:12:52,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5401 conditions, 2821 events. 1625/2821 cut-off events. For 144/144 co-relation queries the response was YES. Maximal size of possible extension queue 182. Compared 18951 event pairs, 1625 based on Foata normal form. 90/2848 useless extension candidates. Maximal degree in co-relation 5391. Up to 2388 conditions per place. [2024-10-31 22:12:52,076 INFO L140 encePairwiseOnDemand]: 45/47 looper letters, 22 selfloop transitions, 1 changer transitions 1/37 dead transitions. [2024-10-31 22:12:52,077 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 37 transitions, 132 flow [2024-10-31 22:12:52,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:12:52,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:12:52,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 73 transitions. [2024-10-31 22:12:52,080 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5177304964539007 [2024-10-31 22:12:52,080 INFO L175 Difference]: Start difference. First operand has 48 places, 38 transitions, 86 flow. Second operand 3 states and 73 transitions. [2024-10-31 22:12:52,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 37 transitions, 132 flow [2024-10-31 22:12:52,083 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 37 transitions, 128 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-31 22:12:52,084 INFO L231 Difference]: Finished difference. Result has 46 places, 36 transitions, 80 flow [2024-10-31 22:12:52,085 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=80, PETRI_PLACES=46, PETRI_TRANSITIONS=36} [2024-10-31 22:12:52,086 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, -6 predicate places. [2024-10-31 22:12:52,087 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 36 transitions, 80 flow [2024-10-31 22:12:52,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:52,088 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:12:52,088 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:52,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:12:52,088 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-10-31 22:12:52,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:52,089 INFO L85 PathProgramCache]: Analyzing trace with hash -285334547, now seen corresponding path program 1 times [2024-10-31 22:12:52,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:52,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714205193] [2024-10-31 22:12:52,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:52,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:53,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:53,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:53,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714205193] [2024-10-31 22:12:53,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714205193] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:53,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:53,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:12:53,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419087508] [2024-10-31 22:12:53,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:53,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:12:53,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:53,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:12:53,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:12:53,194 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-31 22:12:53,194 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 36 transitions, 80 flow. Second operand has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:53,196 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:12:53,196 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-31 22:12:53,196 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:12:54,530 INFO L124 PetriNetUnfolderBase]: 2291/3703 cut-off events. [2024-10-31 22:12:54,530 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:12:54,540 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7129 conditions, 3703 events. 2291/3703 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 242. Compared 24149 event pairs, 473 based on Foata normal form. 0/3613 useless extension candidates. Maximal degree in co-relation 7123. Up to 1639 conditions per place. [2024-10-31 22:12:54,553 INFO L140 encePairwiseOnDemand]: 41/47 looper letters, 32 selfloop transitions, 2 changer transitions 54/99 dead transitions. [2024-10-31 22:12:54,553 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 99 transitions, 382 flow [2024-10-31 22:12:54,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 22:12:54,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-31 22:12:54,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 210 transitions. [2024-10-31 22:12:54,558 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5585106382978723 [2024-10-31 22:12:54,559 INFO L175 Difference]: Start difference. First operand has 46 places, 36 transitions, 80 flow. Second operand 8 states and 210 transitions. [2024-10-31 22:12:54,560 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 99 transitions, 382 flow [2024-10-31 22:12:54,561 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 99 transitions, 381 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:12:54,564 INFO L231 Difference]: Finished difference. Result has 56 places, 35 transitions, 93 flow [2024-10-31 22:12:54,565 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=79, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=93, PETRI_PLACES=56, PETRI_TRANSITIONS=35} [2024-10-31 22:12:54,566 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 4 predicate places. [2024-10-31 22:12:54,567 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 35 transitions, 93 flow [2024-10-31 22:12:54,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 6 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:54,567 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:12:54,567 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:54,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:12:54,568 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-10-31 22:12:54,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:54,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1656103522, now seen corresponding path program 1 times [2024-10-31 22:12:54,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:54,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658366727] [2024-10-31 22:12:54,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:54,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:55,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:55,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:55,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658366727] [2024-10-31 22:12:55,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658366727] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:55,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:55,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:12:55,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197795469] [2024-10-31 22:12:55,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:55,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:12:55,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:55,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:12:55,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:12:55,040 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 47 [2024-10-31 22:12:55,041 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 35 transitions, 93 flow. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:55,041 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:12:55,041 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 47 [2024-10-31 22:12:55,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:12:55,968 INFO L124 PetriNetUnfolderBase]: 1220/2056 cut-off events. [2024-10-31 22:12:55,968 INFO L125 PetriNetUnfolderBase]: For 426/426 co-relation queries the response was YES. [2024-10-31 22:12:55,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4399 conditions, 2056 events. 1220/2056 cut-off events. For 426/426 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 13053 event pairs, 306 based on Foata normal form. 54/2089 useless extension candidates. Maximal degree in co-relation 4387. Up to 1170 conditions per place. [2024-10-31 22:12:55,986 INFO L140 encePairwiseOnDemand]: 42/47 looper letters, 32 selfloop transitions, 2 changer transitions 29/75 dead transitions. [2024-10-31 22:12:55,986 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 75 transitions, 314 flow [2024-10-31 22:12:55,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 22:12:55,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-10-31 22:12:55,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 177 transitions. [2024-10-31 22:12:55,988 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5379939209726444 [2024-10-31 22:12:55,988 INFO L175 Difference]: Start difference. First operand has 56 places, 35 transitions, 93 flow. Second operand 7 states and 177 transitions. [2024-10-31 22:12:55,988 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 75 transitions, 314 flow [2024-10-31 22:12:55,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 75 transitions, 292 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-10-31 22:12:56,001 INFO L231 Difference]: Finished difference. Result has 55 places, 35 transitions, 97 flow [2024-10-31 22:12:56,001 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=97, PETRI_PLACES=55, PETRI_TRANSITIONS=35} [2024-10-31 22:12:56,002 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 3 predicate places. [2024-10-31 22:12:56,002 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 35 transitions, 97 flow [2024-10-31 22:12:56,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:56,003 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:12:56,003 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:56,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:12:56,004 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-10-31 22:12:56,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:56,004 INFO L85 PathProgramCache]: Analyzing trace with hash -2066191753, now seen corresponding path program 1 times [2024-10-31 22:12:56,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:56,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734999285] [2024-10-31 22:12:56,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:56,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:56,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:56,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:56,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734999285] [2024-10-31 22:12:56,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734999285] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:56,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:56,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:12:56,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975282784] [2024-10-31 22:12:56,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:56,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:12:56,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:56,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:12:56,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:12:56,493 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 47 [2024-10-31 22:12:56,494 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 35 transitions, 97 flow. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:56,494 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:12:56,494 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 47 [2024-10-31 22:12:56,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:12:57,398 INFO L124 PetriNetUnfolderBase]: 2345/3677 cut-off events. [2024-10-31 22:12:57,398 INFO L125 PetriNetUnfolderBase]: For 330/330 co-relation queries the response was YES. [2024-10-31 22:12:57,408 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8058 conditions, 3677 events. 2345/3677 cut-off events. For 330/330 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 21136 event pairs, 341 based on Foata normal form. 168/3834 useless extension candidates. Maximal degree in co-relation 8045. Up to 1903 conditions per place. [2024-10-31 22:12:57,424 INFO L140 encePairwiseOnDemand]: 41/47 looper letters, 52 selfloop transitions, 5 changer transitions 1/66 dead transitions. [2024-10-31 22:12:57,424 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 66 transitions, 287 flow [2024-10-31 22:12:57,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:12:57,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-31 22:12:57,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 112 transitions. [2024-10-31 22:12:57,426 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5957446808510638 [2024-10-31 22:12:57,426 INFO L175 Difference]: Start difference. First operand has 55 places, 35 transitions, 97 flow. Second operand 4 states and 112 transitions. [2024-10-31 22:12:57,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 66 transitions, 287 flow [2024-10-31 22:12:57,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 66 transitions, 271 flow, removed 4 selfloop flow, removed 6 redundant places. [2024-10-31 22:12:57,443 INFO L231 Difference]: Finished difference. Result has 50 places, 38 transitions, 119 flow [2024-10-31 22:12:57,444 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=119, PETRI_PLACES=50, PETRI_TRANSITIONS=38} [2024-10-31 22:12:57,444 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, -2 predicate places. [2024-10-31 22:12:57,445 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 38 transitions, 119 flow [2024-10-31 22:12:57,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:57,445 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:12:57,445 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:57,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:12:57,446 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-10-31 22:12:57,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:57,447 INFO L85 PathProgramCache]: Analyzing trace with hash -240536360, now seen corresponding path program 1 times [2024-10-31 22:12:57,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:57,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316953002] [2024-10-31 22:12:57,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:57,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:57,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:58,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:58,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:58,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316953002] [2024-10-31 22:12:58,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316953002] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:58,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:58,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:12:58,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217855731] [2024-10-31 22:12:58,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:58,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:12:58,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:58,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:12:58,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:12:58,041 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 47 [2024-10-31 22:12:58,042 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 38 transitions, 119 flow. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:58,042 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:12:58,042 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 47 [2024-10-31 22:12:58,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:12:58,776 INFO L124 PetriNetUnfolderBase]: 1491/2385 cut-off events. [2024-10-31 22:12:58,776 INFO L125 PetriNetUnfolderBase]: For 640/640 co-relation queries the response was YES. [2024-10-31 22:12:58,786 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5778 conditions, 2385 events. 1491/2385 cut-off events. For 640/640 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 12369 event pairs, 203 based on Foata normal form. 128/2503 useless extension candidates. Maximal degree in co-relation 5767. Up to 769 conditions per place. [2024-10-31 22:12:58,805 INFO L140 encePairwiseOnDemand]: 41/47 looper letters, 66 selfloop transitions, 8 changer transitions 1/83 dead transitions. [2024-10-31 22:12:58,805 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 83 transitions, 386 flow [2024-10-31 22:12:58,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:12:58,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-31 22:12:58,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 142 transitions. [2024-10-31 22:12:58,807 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6042553191489362 [2024-10-31 22:12:58,807 INFO L175 Difference]: Start difference. First operand has 50 places, 38 transitions, 119 flow. Second operand 5 states and 142 transitions. [2024-10-31 22:12:58,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 83 transitions, 386 flow [2024-10-31 22:12:58,809 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 83 transitions, 376 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-10-31 22:12:58,811 INFO L231 Difference]: Finished difference. Result has 54 places, 41 transitions, 159 flow [2024-10-31 22:12:58,812 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=159, PETRI_PLACES=54, PETRI_TRANSITIONS=41} [2024-10-31 22:12:58,813 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 2 predicate places. [2024-10-31 22:12:58,814 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 41 transitions, 159 flow [2024-10-31 22:12:58,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:58,814 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:12:58,815 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:12:58,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:12:58,815 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-10-31 22:12:58,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:58,816 INFO L85 PathProgramCache]: Analyzing trace with hash 204414753, now seen corresponding path program 1 times [2024-10-31 22:12:58,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:58,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427263999] [2024-10-31 22:12:58,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:58,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:59,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:12:59,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:59,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427263999] [2024-10-31 22:12:59,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427263999] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:59,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:59,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:12:59,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65378378] [2024-10-31 22:12:59,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:59,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:12:59,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:59,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:12:59,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:12:59,635 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 47 [2024-10-31 22:12:59,635 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 41 transitions, 159 flow. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:12:59,635 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:12:59,636 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 47 [2024-10-31 22:12:59,636 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:13:00,159 INFO L124 PetriNetUnfolderBase]: 913/1459 cut-off events. [2024-10-31 22:13:00,160 INFO L125 PetriNetUnfolderBase]: For 1061/1061 co-relation queries the response was YES. [2024-10-31 22:13:00,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3850 conditions, 1459 events. 913/1459 cut-off events. For 1061/1061 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 6970 event pairs, 175 based on Foata normal form. 52/1501 useless extension candidates. Maximal degree in co-relation 3837. Up to 528 conditions per place. [2024-10-31 22:13:00,170 INFO L140 encePairwiseOnDemand]: 41/47 looper letters, 56 selfloop transitions, 11 changer transitions 1/76 dead transitions. [2024-10-31 22:13:00,171 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 76 transitions, 379 flow [2024-10-31 22:13:00,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:13:00,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:13:00,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 148 transitions. [2024-10-31 22:13:00,172 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.524822695035461 [2024-10-31 22:13:00,172 INFO L175 Difference]: Start difference. First operand has 54 places, 41 transitions, 159 flow. Second operand 6 states and 148 transitions. [2024-10-31 22:13:00,172 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 76 transitions, 379 flow [2024-10-31 22:13:00,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 76 transitions, 342 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-10-31 22:13:00,182 INFO L231 Difference]: Finished difference. Result has 55 places, 41 transitions, 165 flow [2024-10-31 22:13:00,182 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=165, PETRI_PLACES=55, PETRI_TRANSITIONS=41} [2024-10-31 22:13:00,183 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 3 predicate places. [2024-10-31 22:13:00,184 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 41 transitions, 165 flow [2024-10-31 22:13:00,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:00,185 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:13:00,185 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:00,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:13:00,186 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-10-31 22:13:00,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:00,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1826716921, now seen corresponding path program 1 times [2024-10-31 22:13:00,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:00,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139212931] [2024-10-31 22:13:00,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:00,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:01,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:01,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:01,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139212931] [2024-10-31 22:13:01,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139212931] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:01,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:01,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-31 22:13:01,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393815418] [2024-10-31 22:13:01,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:01,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:13:01,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:01,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:13:01,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:13:01,214 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 47 [2024-10-31 22:13:01,214 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 41 transitions, 165 flow. Second operand has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:01,214 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:13:01,215 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 47 [2024-10-31 22:13:01,215 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:13:02,155 INFO L124 PetriNetUnfolderBase]: 1064/1866 cut-off events. [2024-10-31 22:13:02,155 INFO L125 PetriNetUnfolderBase]: For 738/762 co-relation queries the response was YES. [2024-10-31 22:13:02,161 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4267 conditions, 1866 events. 1064/1866 cut-off events. For 738/762 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 10209 event pairs, 195 based on Foata normal form. 8/1832 useless extension candidates. Maximal degree in co-relation 4255. Up to 924 conditions per place. [2024-10-31 22:13:02,165 INFO L140 encePairwiseOnDemand]: 38/47 looper letters, 35 selfloop transitions, 4 changer transitions 37/92 dead transitions. [2024-10-31 22:13:02,166 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 92 transitions, 437 flow [2024-10-31 22:13:02,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 22:13:02,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-10-31 22:13:02,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 189 transitions. [2024-10-31 22:13:02,167 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5026595744680851 [2024-10-31 22:13:02,167 INFO L175 Difference]: Start difference. First operand has 55 places, 41 transitions, 165 flow. Second operand 8 states and 189 transitions. [2024-10-31 22:13:02,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 92 transitions, 437 flow [2024-10-31 22:13:02,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 92 transitions, 373 flow, removed 14 selfloop flow, removed 8 redundant places. [2024-10-31 22:13:02,175 INFO L231 Difference]: Finished difference. Result has 60 places, 43 transitions, 143 flow [2024-10-31 22:13:02,176 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=143, PETRI_PLACES=60, PETRI_TRANSITIONS=43} [2024-10-31 22:13:02,176 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 8 predicate places. [2024-10-31 22:13:02,177 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 43 transitions, 143 flow [2024-10-31 22:13:02,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:02,177 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:13:02,177 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:02,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 22:13:02,178 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-10-31 22:13:02,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:02,179 INFO L85 PathProgramCache]: Analyzing trace with hash -770895349, now seen corresponding path program 2 times [2024-10-31 22:13:02,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:02,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366156867] [2024-10-31 22:13:02,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:02,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:06,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:13:06,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:06,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366156867] [2024-10-31 22:13:06,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366156867] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:06,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:06,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-31 22:13:06,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243399341] [2024-10-31 22:13:06,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:06,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-31 22:13:06,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:06,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-31 22:13:06,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-10-31 22:13:06,865 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 47 [2024-10-31 22:13:06,865 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 43 transitions, 143 flow. Second operand has 12 states, 12 states have (on average 16.75) internal successors, (201), 12 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:06,865 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:13:06,866 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 47 [2024-10-31 22:13:06,866 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:13:08,238 INFO L124 PetriNetUnfolderBase]: 899/1591 cut-off events. [2024-10-31 22:13:08,239 INFO L125 PetriNetUnfolderBase]: For 313/313 co-relation queries the response was YES. [2024-10-31 22:13:08,245 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3575 conditions, 1591 events. 899/1591 cut-off events. For 313/313 co-relation queries the response was YES. Maximal size of possible extension queue 90. Compared 8862 event pairs, 134 based on Foata normal form. 8/1537 useless extension candidates. Maximal degree in co-relation 3561. Up to 465 conditions per place. [2024-10-31 22:13:08,249 INFO L140 encePairwiseOnDemand]: 37/47 looper letters, 55 selfloop transitions, 10 changer transitions 15/97 dead transitions. [2024-10-31 22:13:08,249 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 97 transitions, 449 flow [2024-10-31 22:13:08,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-31 22:13:08,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-10-31 22:13:08,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 230 transitions. [2024-10-31 22:13:08,251 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.48936170212765956 [2024-10-31 22:13:08,252 INFO L175 Difference]: Start difference. First operand has 60 places, 43 transitions, 143 flow. Second operand 10 states and 230 transitions. [2024-10-31 22:13:08,252 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 97 transitions, 449 flow [2024-10-31 22:13:08,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 97 transitions, 439 flow, removed 5 selfloop flow, removed 3 redundant places. [2024-10-31 22:13:08,256 INFO L231 Difference]: Finished difference. Result has 67 places, 48 transitions, 197 flow [2024-10-31 22:13:08,257 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=47, PETRI_DIFFERENCE_MINUEND_FLOW=137, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=197, PETRI_PLACES=67, PETRI_TRANSITIONS=48} [2024-10-31 22:13:08,258 INFO L277 CegarLoopForPetriNet]: 52 programPoint places, 15 predicate places. [2024-10-31 22:13:08,258 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 48 transitions, 197 flow [2024-10-31 22:13:08,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 16.75) internal successors, (201), 12 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:13:08,260 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:13:08,260 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:08,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 22:13:08,261 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, P2Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 5 more)] === [2024-10-31 22:13:08,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:08,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1787902151, now seen corresponding path program 3 times [2024-10-31 22:13:08,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:08,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908712048] [2024-10-31 22:13:08,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:08,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat