./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/safe026_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92ee101-01b1-4dd3-8b93-d00a3bc70b29/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92ee101-01b1-4dd3-8b93-d00a3bc70b29/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92ee101-01b1-4dd3-8b93-d00a3bc70b29/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92ee101-01b1-4dd3-8b93-d00a3bc70b29/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe026_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92ee101-01b1-4dd3-8b93-d00a3bc70b29/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92ee101-01b1-4dd3-8b93-d00a3bc70b29/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 80799f6c8fd7356eb24d2cdce2b9813d505d1c320a66d664e71d3261c3c21a3d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:32:44,734 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:32:44,834 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92ee101-01b1-4dd3-8b93-d00a3bc70b29/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-27 23:32:44,846 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:32:44,846 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:32:44,902 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:32:44,903 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:32:44,903 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:32:44,904 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:32:44,904 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:32:44,904 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:32:44,908 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:32:44,908 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:32:44,908 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:32:44,909 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:32:44,909 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:32:44,909 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:32:44,909 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:32:44,909 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:32:44,909 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:32:44,910 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-27 23:32:44,910 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-27 23:32:44,910 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-27 23:32:44,910 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:32:44,910 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 23:32:44,910 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 23:32:44,910 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:32:44,910 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:32:44,911 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:32:44,911 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:32:44,911 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:32:44,911 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:32:44,911 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:32:44,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:32:44,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:32:44,911 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:32:44,912 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:32:44,912 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:32:44,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:32:44,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:32:44,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:32:44,912 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:32:44,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:32:44,912 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:32:44,913 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:32:44,913 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:32:44,913 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:32:44,913 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92ee101-01b1-4dd3-8b93-d00a3bc70b29/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80799f6c8fd7356eb24d2cdce2b9813d505d1c320a66d664e71d3261c3c21a3d [2024-11-27 23:32:45,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:32:45,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:32:45,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:32:45,301 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:32:45,301 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:32:45,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92ee101-01b1-4dd3-8b93-d00a3bc70b29/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-wmm/safe026_tso.i [2024-11-27 23:32:48,413 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92ee101-01b1-4dd3-8b93-d00a3bc70b29/bin/uautomizer-verify-aQ6SnzHsRB/data/7c2ec23a1/b898c482888c46519b31c7e864c77725/FLAG9e9ea572e [2024-11-27 23:32:48,857 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:32:48,858 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92ee101-01b1-4dd3-8b93-d00a3bc70b29/sv-benchmarks/c/pthread-wmm/safe026_tso.i [2024-11-27 23:32:48,875 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92ee101-01b1-4dd3-8b93-d00a3bc70b29/bin/uautomizer-verify-aQ6SnzHsRB/data/7c2ec23a1/b898c482888c46519b31c7e864c77725/FLAG9e9ea572e [2024-11-27 23:32:48,897 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92ee101-01b1-4dd3-8b93-d00a3bc70b29/bin/uautomizer-verify-aQ6SnzHsRB/data/7c2ec23a1/b898c482888c46519b31c7e864c77725 [2024-11-27 23:32:48,899 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:32:48,903 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:32:48,905 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:32:48,905 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:32:48,912 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:32:48,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:32:48" (1/1) ... [2024-11-27 23:32:48,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b50b7b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:48, skipping insertion in model container [2024-11-27 23:32:48,916 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:32:48" (1/1) ... [2024-11-27 23:32:48,967 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:32:49,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:32:49,365 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:32:49,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:32:49,444 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:32:49,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:49 WrapperNode [2024-11-27 23:32:49,445 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:32:49,446 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:32:49,446 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:32:49,446 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:32:49,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:49" (1/1) ... [2024-11-27 23:32:49,464 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:49" (1/1) ... [2024-11-27 23:32:49,482 INFO L138 Inliner]: procedures = 175, calls = 40, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2024-11-27 23:32:49,482 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:32:49,483 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:32:49,483 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:32:49,483 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:32:49,491 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:49" (1/1) ... [2024-11-27 23:32:49,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:49" (1/1) ... [2024-11-27 23:32:49,494 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:49" (1/1) ... [2024-11-27 23:32:49,506 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-27 23:32:49,506 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:49" (1/1) ... [2024-11-27 23:32:49,507 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:49" (1/1) ... [2024-11-27 23:32:49,511 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:49" (1/1) ... [2024-11-27 23:32:49,512 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:49" (1/1) ... [2024-11-27 23:32:49,514 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:49" (1/1) ... [2024-11-27 23:32:49,519 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:49" (1/1) ... [2024-11-27 23:32:49,520 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:49" (1/1) ... [2024-11-27 23:32:49,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:32:49,527 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:32:49,527 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:32:49,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:32:49,528 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:49" (1/1) ... [2024-11-27 23:32:49,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:32:49,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92ee101-01b1-4dd3-8b93-d00a3bc70b29/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:32:49,570 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92ee101-01b1-4dd3-8b93-d00a3bc70b29/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:32:49,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92ee101-01b1-4dd3-8b93-d00a3bc70b29/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:32:49,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-27 23:32:49,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:32:49,610 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-27 23:32:49,611 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-27 23:32:49,611 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-27 23:32:49,611 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-27 23:32:49,611 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-27 23:32:49,612 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-27 23:32:49,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 23:32:49,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-27 23:32:49,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:32:49,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:32:49,614 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 23:32:49,789 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:32:49,790 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:32:50,011 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 23:32:50,011 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:32:50,125 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:32:50,125 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-27 23:32:50,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:32:50 BoogieIcfgContainer [2024-11-27 23:32:50,126 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:32:50,129 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:32:50,129 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:32:50,134 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:32:50,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:32:48" (1/3) ... [2024-11-27 23:32:50,135 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71eef381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:32:50, skipping insertion in model container [2024-11-27 23:32:50,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:32:49" (2/3) ... [2024-11-27 23:32:50,135 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71eef381 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:32:50, skipping insertion in model container [2024-11-27 23:32:50,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:32:50" (3/3) ... [2024-11-27 23:32:50,137 INFO L128 eAbstractionObserver]: Analyzing ICFG safe026_tso.i [2024-11-27 23:32:50,153 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:32:50,155 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe026_tso.i that has 4 procedures, 41 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-27 23:32:50,155 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 23:32:50,233 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-27 23:32:50,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 50 places, 42 transitions, 96 flow [2024-11-27 23:32:50,310 INFO L124 PetriNetUnfolderBase]: 2/39 cut-off events. [2024-11-27 23:32:50,312 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 23:32:50,315 INFO L83 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 39 events. 2/39 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 68 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place. [2024-11-27 23:32:50,315 INFO L82 GeneralOperation]: Start removeDead. Operand has 50 places, 42 transitions, 96 flow [2024-11-27 23:32:50,319 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 46 places, 38 transitions, 85 flow [2024-11-27 23:32:50,327 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:32:50,340 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;@20f483e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:32:50,340 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-27 23:32:50,365 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 23:32:50,365 INFO L124 PetriNetUnfolderBase]: 2/36 cut-off events. [2024-11-27 23:32:50,365 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 23:32:50,365 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:32:50,366 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:50,367 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-27 23:32:50,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:50,373 INFO L85 PathProgramCache]: Analyzing trace with hash 271944644, now seen corresponding path program 1 times [2024-11-27 23:32:50,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:50,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132571474] [2024-11-27 23:32:50,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:50,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:50,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:50,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:32:50,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:50,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132571474] [2024-11-27 23:32:50,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132571474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:50,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:32:50,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-27 23:32:50,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820451969] [2024-11-27 23:32:50,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:50,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:32:50,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:50,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:32:50,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:32:50,795 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 42 [2024-11-27 23:32:50,798 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 38 transitions, 85 flow. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:50,799 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:32:50,799 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 42 [2024-11-27 23:32:50,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:32:50,962 INFO L124 PetriNetUnfolderBase]: 75/217 cut-off events. [2024-11-27 23:32:50,963 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 23:32:50,965 INFO L83 FinitePrefix]: Finished finitePrefix Result has 372 conditions, 217 events. 75/217 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1183 event pairs, 75 based on Foata normal form. 24/222 useless extension candidates. Maximal degree in co-relation 361. Up to 136 conditions per place. [2024-11-27 23:32:50,967 INFO L140 encePairwiseOnDemand]: 38/42 looper letters, 12 selfloop transitions, 1 changer transitions 1/34 dead transitions. [2024-11-27 23:32:50,968 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 34 transitions, 105 flow [2024-11-27 23:32:50,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:32:50,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:32:50,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 86 transitions. [2024-11-27 23:32:50,981 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6825396825396826 [2024-11-27 23:32:50,983 INFO L175 Difference]: Start difference. First operand has 46 places, 38 transitions, 85 flow. Second operand 3 states and 86 transitions. [2024-11-27 23:32:50,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 34 transitions, 105 flow [2024-11-27 23:32:50,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 34 transitions, 102 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-27 23:32:50,991 INFO L231 Difference]: Finished difference. Result has 43 places, 33 transitions, 74 flow [2024-11-27 23:32:50,993 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=74, PETRI_PLACES=43, PETRI_TRANSITIONS=33} [2024-11-27 23:32:50,997 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, -3 predicate places. [2024-11-27 23:32:50,997 INFO L471 AbstractCegarLoop]: Abstraction has has 43 places, 33 transitions, 74 flow [2024-11-27 23:32:50,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:50,998 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:32:50,998 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:50,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 23:32:50,998 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-27 23:32:50,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:50,999 INFO L85 PathProgramCache]: Analyzing trace with hash 271946044, now seen corresponding path program 1 times [2024-11-27 23:32:50,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:51,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896684011] [2024-11-27 23:32:51,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:51,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:51,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:51,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:32:51,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:51,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896684011] [2024-11-27 23:32:51,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896684011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:51,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:32:51,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:32:51,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123520452] [2024-11-27 23:32:51,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:51,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:32:51,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:51,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:32:51,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:32:51,469 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 42 [2024-11-27 23:32:51,469 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 33 transitions, 74 flow. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:51,469 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:32:51,470 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 42 [2024-11-27 23:32:51,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:32:52,120 INFO L124 PetriNetUnfolderBase]: 1052/2045 cut-off events. [2024-11-27 23:32:52,121 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 23:32:52,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3736 conditions, 2045 events. 1052/2045 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 173. Compared 14650 event pairs, 235 based on Foata normal form. 0/1952 useless extension candidates. Maximal degree in co-relation 3730. Up to 644 conditions per place. [2024-11-27 23:32:52,143 INFO L140 encePairwiseOnDemand]: 33/42 looper letters, 26 selfloop transitions, 5 changer transitions 48/93 dead transitions. [2024-11-27 23:32:52,143 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 93 transitions, 354 flow [2024-11-27 23:32:52,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 23:32:52,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-27 23:32:52,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 243 transitions. [2024-11-27 23:32:52,147 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6428571428571429 [2024-11-27 23:32:52,147 INFO L175 Difference]: Start difference. First operand has 43 places, 33 transitions, 74 flow. Second operand 9 states and 243 transitions. [2024-11-27 23:32:52,147 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 93 transitions, 354 flow [2024-11-27 23:32:52,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 93 transitions, 353 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 23:32:52,155 INFO L231 Difference]: Finished difference. Result has 57 places, 36 transitions, 141 flow [2024-11-27 23:32:52,155 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=73, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=141, PETRI_PLACES=57, PETRI_TRANSITIONS=36} [2024-11-27 23:32:52,157 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 11 predicate places. [2024-11-27 23:32:52,157 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 36 transitions, 141 flow [2024-11-27 23:32:52,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:52,157 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:32:52,157 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:52,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 23:32:52,158 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-27 23:32:52,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:52,159 INFO L85 PathProgramCache]: Analyzing trace with hash -950854117, now seen corresponding path program 1 times [2024-11-27 23:32:52,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:52,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118842843] [2024-11-27 23:32:52,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:52,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:52,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:32:52,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:52,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118842843] [2024-11-27 23:32:52,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118842843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:52,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:32:52,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:32:52,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186311452] [2024-11-27 23:32:52,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:52,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:32:52,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:52,481 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:32:52,481 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:32:52,507 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 42 [2024-11-27 23:32:52,508 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 36 transitions, 141 flow. Second operand has 6 states, 6 states have (on average 20.0) internal successors, (120), 6 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) [2024-11-27 23:32:52,509 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:32:52,509 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 42 [2024-11-27 23:32:52,509 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:32:53,056 INFO L124 PetriNetUnfolderBase]: 684/1434 cut-off events. [2024-11-27 23:32:53,056 INFO L125 PetriNetUnfolderBase]: For 1542/1542 co-relation queries the response was YES. [2024-11-27 23:32:53,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3916 conditions, 1434 events. 684/1434 cut-off events. For 1542/1542 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 9958 event pairs, 126 based on Foata normal form. 40/1461 useless extension candidates. Maximal degree in co-relation 3901. Up to 517 conditions per place. [2024-11-27 23:32:53,075 INFO L140 encePairwiseOnDemand]: 34/42 looper letters, 29 selfloop transitions, 6 changer transitions 32/81 dead transitions. [2024-11-27 23:32:53,075 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 81 transitions, 459 flow [2024-11-27 23:32:53,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 23:32:53,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-27 23:32:53,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 246 transitions. [2024-11-27 23:32:53,081 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5857142857142857 [2024-11-27 23:32:53,081 INFO L175 Difference]: Start difference. First operand has 57 places, 36 transitions, 141 flow. Second operand 10 states and 246 transitions. [2024-11-27 23:32:53,082 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 81 transitions, 459 flow [2024-11-27 23:32:53,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 81 transitions, 393 flow, removed 18 selfloop flow, removed 4 redundant places. [2024-11-27 23:32:53,104 INFO L231 Difference]: Finished difference. Result has 64 places, 38 transitions, 171 flow [2024-11-27 23:32:53,104 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=117, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=171, PETRI_PLACES=64, PETRI_TRANSITIONS=38} [2024-11-27 23:32:53,106 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 18 predicate places. [2024-11-27 23:32:53,106 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 38 transitions, 171 flow [2024-11-27 23:32:53,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.0) internal successors, (120), 6 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) [2024-11-27 23:32:53,107 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:32:53,107 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:53,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 23:32:53,107 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-27 23:32:53,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:53,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1432729471, now seen corresponding path program 1 times [2024-11-27 23:32:53,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:53,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036877109] [2024-11-27 23:32:53,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:53,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:53,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:32:53,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:53,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036877109] [2024-11-27 23:32:53,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036877109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:53,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:32:53,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:32:53,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948278477] [2024-11-27 23:32:53,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:53,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:32:53,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:53,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:32:53,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:32:53,441 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 42 [2024-11-27 23:32:53,442 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 38 transitions, 171 flow. Second operand has 6 states, 6 states have (on average 20.0) internal successors, (120), 6 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) [2024-11-27 23:32:53,442 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:32:53,442 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 42 [2024-11-27 23:32:53,443 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:32:53,943 INFO L124 PetriNetUnfolderBase]: 637/1336 cut-off events. [2024-11-27 23:32:53,943 INFO L125 PetriNetUnfolderBase]: For 2520/2522 co-relation queries the response was YES. [2024-11-27 23:32:53,948 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3945 conditions, 1336 events. 637/1336 cut-off events. For 2520/2522 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 8922 event pairs, 120 based on Foata normal form. 43/1365 useless extension candidates. Maximal degree in co-relation 3923. Up to 518 conditions per place. [2024-11-27 23:32:53,957 INFO L140 encePairwiseOnDemand]: 34/42 looper letters, 34 selfloop transitions, 11 changer transitions 34/93 dead transitions. [2024-11-27 23:32:53,957 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 93 transitions, 613 flow [2024-11-27 23:32:53,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 23:32:53,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-27 23:32:53,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 258 transitions. [2024-11-27 23:32:53,959 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6142857142857143 [2024-11-27 23:32:53,959 INFO L175 Difference]: Start difference. First operand has 64 places, 38 transitions, 171 flow. Second operand 10 states and 258 transitions. [2024-11-27 23:32:53,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 93 transitions, 613 flow [2024-11-27 23:32:53,976 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 93 transitions, 561 flow, removed 24 selfloop flow, removed 7 redundant places. [2024-11-27 23:32:53,978 INFO L231 Difference]: Finished difference. Result has 68 places, 42 transitions, 236 flow [2024-11-27 23:32:53,978 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=236, PETRI_PLACES=68, PETRI_TRANSITIONS=42} [2024-11-27 23:32:53,979 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 22 predicate places. [2024-11-27 23:32:53,979 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 42 transitions, 236 flow [2024-11-27 23:32:53,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.0) internal successors, (120), 6 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) [2024-11-27 23:32:53,979 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:32:53,979 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:53,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 23:32:53,979 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-27 23:32:53,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:53,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1853645722, now seen corresponding path program 1 times [2024-11-27 23:32:53,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:53,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487502298] [2024-11-27 23:32:53,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:53,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:54,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:32:54,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:54,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487502298] [2024-11-27 23:32:54,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487502298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:54,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:32:54,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:32:54,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228573319] [2024-11-27 23:32:54,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:54,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:32:54,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:54,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:32:54,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:32:54,145 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 42 [2024-11-27 23:32:54,145 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 42 transitions, 236 flow. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:54,145 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:32:54,146 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 42 [2024-11-27 23:32:54,146 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:32:54,496 INFO L124 PetriNetUnfolderBase]: 989/1947 cut-off events. [2024-11-27 23:32:54,497 INFO L125 PetriNetUnfolderBase]: For 1944/1968 co-relation queries the response was YES. [2024-11-27 23:32:54,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4736 conditions, 1947 events. 989/1947 cut-off events. For 1944/1968 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 13365 event pairs, 216 based on Foata normal form. 83/1923 useless extension candidates. Maximal degree in co-relation 4711. Up to 893 conditions per place. [2024-11-27 23:32:54,516 INFO L140 encePairwiseOnDemand]: 36/42 looper letters, 27 selfloop transitions, 5 changer transitions 0/57 dead transitions. [2024-11-27 23:32:54,516 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 57 transitions, 334 flow [2024-11-27 23:32:54,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:32:54,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-27 23:32:54,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 114 transitions. [2024-11-27 23:32:54,518 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6785714285714286 [2024-11-27 23:32:54,518 INFO L175 Difference]: Start difference. First operand has 68 places, 42 transitions, 236 flow. Second operand 4 states and 114 transitions. [2024-11-27 23:32:54,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 57 transitions, 334 flow [2024-11-27 23:32:54,532 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 57 transitions, 312 flow, removed 11 selfloop flow, removed 8 redundant places. [2024-11-27 23:32:54,533 INFO L231 Difference]: Finished difference. Result has 59 places, 46 transitions, 252 flow [2024-11-27 23:32:54,533 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=252, PETRI_PLACES=59, PETRI_TRANSITIONS=46} [2024-11-27 23:32:54,536 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 13 predicate places. [2024-11-27 23:32:54,536 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 46 transitions, 252 flow [2024-11-27 23:32:54,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:54,536 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:32:54,536 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:54,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 23:32:54,537 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-27 23:32:54,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:54,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1355666779, now seen corresponding path program 1 times [2024-11-27 23:32:54,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:54,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341143583] [2024-11-27 23:32:54,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:54,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:54,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:32:54,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:54,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341143583] [2024-11-27 23:32:54,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341143583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:54,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:32:54,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:32:54,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644091092] [2024-11-27 23:32:54,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:54,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:32:54,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:54,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:32:54,718 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:32:54,726 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 42 [2024-11-27 23:32:54,727 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 46 transitions, 252 flow. Second operand has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:54,727 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:32:54,727 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 42 [2024-11-27 23:32:54,727 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:32:55,024 INFO L124 PetriNetUnfolderBase]: 781/1557 cut-off events. [2024-11-27 23:32:55,024 INFO L125 PetriNetUnfolderBase]: For 912/1247 co-relation queries the response was YES. [2024-11-27 23:32:55,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4032 conditions, 1557 events. 781/1557 cut-off events. For 912/1247 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 9839 event pairs, 72 based on Foata normal form. 97/1572 useless extension candidates. Maximal degree in co-relation 4011. Up to 616 conditions per place. [2024-11-27 23:32:55,037 INFO L140 encePairwiseOnDemand]: 36/42 looper letters, 34 selfloop transitions, 8 changer transitions 0/67 dead transitions. [2024-11-27 23:32:55,037 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 67 transitions, 399 flow [2024-11-27 23:32:55,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:32:55,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-27 23:32:55,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 144 transitions. [2024-11-27 23:32:55,039 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6857142857142857 [2024-11-27 23:32:55,039 INFO L175 Difference]: Start difference. First operand has 59 places, 46 transitions, 252 flow. Second operand 5 states and 144 transitions. [2024-11-27 23:32:55,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 67 transitions, 399 flow [2024-11-27 23:32:55,042 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 67 transitions, 396 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 23:32:55,045 INFO L231 Difference]: Finished difference. Result has 64 places, 50 transitions, 304 flow [2024-11-27 23:32:55,045 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=250, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=304, PETRI_PLACES=64, PETRI_TRANSITIONS=50} [2024-11-27 23:32:55,046 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 18 predicate places. [2024-11-27 23:32:55,047 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 50 transitions, 304 flow [2024-11-27 23:32:55,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.4) internal successors, (112), 5 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:55,047 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:32:55,047 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:55,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 23:32:55,047 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-27 23:32:55,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:55,048 INFO L85 PathProgramCache]: Analyzing trace with hash -1257424225, now seen corresponding path program 1 times [2024-11-27 23:32:55,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:55,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939473773] [2024-11-27 23:32:55,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:55,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:55,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:55,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:32:55,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:55,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939473773] [2024-11-27 23:32:55,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939473773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:55,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:32:55,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:32:55,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703244494] [2024-11-27 23:32:55,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:55,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:32:55,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:55,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:32:55,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:32:55,248 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 42 [2024-11-27 23:32:55,249 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 50 transitions, 304 flow. Second operand has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 6 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:55,249 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:32:55,249 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 42 [2024-11-27 23:32:55,249 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:32:55,529 INFO L124 PetriNetUnfolderBase]: 585/1125 cut-off events. [2024-11-27 23:32:55,529 INFO L125 PetriNetUnfolderBase]: For 1934/2762 co-relation queries the response was YES. [2024-11-27 23:32:55,534 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3561 conditions, 1125 events. 585/1125 cut-off events. For 1934/2762 co-relation queries the response was YES. Maximal size of possible extension queue 118. Compared 6536 event pairs, 32 based on Foata normal form. 90/1145 useless extension candidates. Maximal degree in co-relation 3537. Up to 488 conditions per place. [2024-11-27 23:32:55,538 INFO L140 encePairwiseOnDemand]: 36/42 looper letters, 33 selfloop transitions, 11 changer transitions 0/69 dead transitions. [2024-11-27 23:32:55,539 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 69 transitions, 441 flow [2024-11-27 23:32:55,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:32:55,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 23:32:55,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 166 transitions. [2024-11-27 23:32:55,540 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6587301587301587 [2024-11-27 23:32:55,540 INFO L175 Difference]: Start difference. First operand has 64 places, 50 transitions, 304 flow. Second operand 6 states and 166 transitions. [2024-11-27 23:32:55,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 69 transitions, 441 flow [2024-11-27 23:32:55,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 69 transitions, 416 flow, removed 7 selfloop flow, removed 3 redundant places. [2024-11-27 23:32:55,546 INFO L231 Difference]: Finished difference. Result has 68 places, 51 transitions, 324 flow [2024-11-27 23:32:55,546 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=280, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=324, PETRI_PLACES=68, PETRI_TRANSITIONS=51} [2024-11-27 23:32:55,546 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 22 predicate places. [2024-11-27 23:32:55,547 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 51 transitions, 324 flow [2024-11-27 23:32:55,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 6 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:55,547 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:32:55,547 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:55,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 23:32:55,547 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-27 23:32:55,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:55,548 INFO L85 PathProgramCache]: Analyzing trace with hash -993779075, now seen corresponding path program 1 times [2024-11-27 23:32:55,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:55,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500019988] [2024-11-27 23:32:55,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:32:55,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:55,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:32:55,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:32:55,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:55,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500019988] [2024-11-27 23:32:55,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500019988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:55,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:32:55,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:32:55,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395976500] [2024-11-27 23:32:55,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:55,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:32:55,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:55,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:32:55,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:32:55,819 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 42 [2024-11-27 23:32:55,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 51 transitions, 324 flow. Second operand has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:55,819 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:32:55,819 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 42 [2024-11-27 23:32:55,819 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:32:56,197 INFO L124 PetriNetUnfolderBase]: 753/1602 cut-off events. [2024-11-27 23:32:56,197 INFO L125 PetriNetUnfolderBase]: For 3799/3942 co-relation queries the response was YES. [2024-11-27 23:32:56,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5173 conditions, 1602 events. 753/1602 cut-off events. For 3799/3942 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 10899 event pairs, 178 based on Foata normal form. 18/1447 useless extension candidates. Maximal degree in co-relation 5148. Up to 537 conditions per place. [2024-11-27 23:32:56,208 INFO L140 encePairwiseOnDemand]: 33/42 looper letters, 27 selfloop transitions, 10 changer transitions 27/86 dead transitions. [2024-11-27 23:32:56,208 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 86 transitions, 610 flow [2024-11-27 23:32:56,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:32:56,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-11-27 23:32:56,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 174 transitions. [2024-11-27 23:32:56,210 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5918367346938775 [2024-11-27 23:32:56,210 INFO L175 Difference]: Start difference. First operand has 68 places, 51 transitions, 324 flow. Second operand 7 states and 174 transitions. [2024-11-27 23:32:56,210 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 86 transitions, 610 flow [2024-11-27 23:32:56,222 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 86 transitions, 558 flow, removed 20 selfloop flow, removed 5 redundant places. [2024-11-27 23:32:56,223 INFO L231 Difference]: Finished difference. Result has 73 places, 49 transitions, 309 flow [2024-11-27 23:32:56,223 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=309, PETRI_PLACES=73, PETRI_TRANSITIONS=49} [2024-11-27 23:32:56,224 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 27 predicate places. [2024-11-27 23:32:56,224 INFO L471 AbstractCegarLoop]: Abstraction has has 73 places, 49 transitions, 309 flow [2024-11-27 23:32:56,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 6 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:56,224 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:32:56,224 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:56,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 23:32:56,225 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-27 23:32:56,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:56,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1903967305, now seen corresponding path program 2 times [2024-11-27 23:32:56,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:56,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174192140] [2024-11-27 23:32:56,226 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:32:56,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:56,242 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 23:32:56,242 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:32:56,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:32:56,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:56,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174192140] [2024-11-27 23:32:56,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174192140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:56,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:32:56,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 23:32:56,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676358461] [2024-11-27 23:32:56,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:56,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:32:56,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:56,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:32:56,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:32:56,458 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 42 [2024-11-27 23:32:56,459 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 49 transitions, 309 flow. Second operand has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:56,459 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:32:56,459 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 42 [2024-11-27 23:32:56,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:32:56,779 INFO L124 PetriNetUnfolderBase]: 492/1121 cut-off events. [2024-11-27 23:32:56,779 INFO L125 PetriNetUnfolderBase]: For 2141/2193 co-relation queries the response was YES. [2024-11-27 23:32:56,784 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3458 conditions, 1121 events. 492/1121 cut-off events. For 2141/2193 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 7280 event pairs, 108 based on Foata normal form. 15/1020 useless extension candidates. Maximal degree in co-relation 3431. Up to 354 conditions per place. [2024-11-27 23:32:56,787 INFO L140 encePairwiseOnDemand]: 33/42 looper letters, 20 selfloop transitions, 5 changer transitions 27/73 dead transitions. [2024-11-27 23:32:56,787 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 73 transitions, 494 flow [2024-11-27 23:32:56,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-27 23:32:56,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-27 23:32:56,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 186 transitions. [2024-11-27 23:32:56,788 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5535714285714286 [2024-11-27 23:32:56,788 INFO L175 Difference]: Start difference. First operand has 73 places, 49 transitions, 309 flow. Second operand 8 states and 186 transitions. [2024-11-27 23:32:56,788 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 73 transitions, 494 flow [2024-11-27 23:32:56,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 73 transitions, 450 flow, removed 6 selfloop flow, removed 7 redundant places. [2024-11-27 23:32:56,798 INFO L231 Difference]: Finished difference. Result has 74 places, 40 transitions, 218 flow [2024-11-27 23:32:56,798 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=273, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=218, PETRI_PLACES=74, PETRI_TRANSITIONS=40} [2024-11-27 23:32:56,800 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 28 predicate places. [2024-11-27 23:32:56,800 INFO L471 AbstractCegarLoop]: Abstraction has has 74 places, 40 transitions, 218 flow [2024-11-27 23:32:56,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.285714285714285) internal successors, (135), 7 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:56,800 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:32:56,800 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:56,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 23:32:56,801 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-27 23:32:56,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:32:56,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1924642347, now seen corresponding path program 3 times [2024-11-27 23:32:56,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:32:56,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497183735] [2024-11-27 23:32:56,802 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-27 23:32:56,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:32:56,824 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-27 23:32:56,824 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:32:56,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 23:32:56,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:32:56,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497183735] [2024-11-27 23:32:56,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497183735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:32:56,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:32:56,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:32:56,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520009806] [2024-11-27 23:32:56,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:32:56,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:32:56,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:32:56,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:32:56,998 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:32:57,021 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 42 [2024-11-27 23:32:57,021 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 40 transitions, 218 flow. Second operand has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:57,022 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:32:57,022 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 42 [2024-11-27 23:32:57,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:32:57,161 INFO L124 PetriNetUnfolderBase]: 137/342 cut-off events. [2024-11-27 23:32:57,161 INFO L125 PetriNetUnfolderBase]: For 585/592 co-relation queries the response was YES. [2024-11-27 23:32:57,162 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1038 conditions, 342 events. 137/342 cut-off events. For 585/592 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1619 event pairs, 34 based on Foata normal form. 9/320 useless extension candidates. Maximal degree in co-relation 1020. Up to 161 conditions per place. [2024-11-27 23:32:57,163 INFO L140 encePairwiseOnDemand]: 37/42 looper letters, 0 selfloop transitions, 0 changer transitions 45/45 dead transitions. [2024-11-27 23:32:57,163 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 45 transitions, 274 flow [2024-11-27 23:32:57,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:32:57,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 23:32:57,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 139 transitions. [2024-11-27 23:32:57,164 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5515873015873016 [2024-11-27 23:32:57,165 INFO L175 Difference]: Start difference. First operand has 74 places, 40 transitions, 218 flow. Second operand 6 states and 139 transitions. [2024-11-27 23:32:57,165 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 45 transitions, 274 flow [2024-11-27 23:32:57,167 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 45 transitions, 225 flow, removed 5 selfloop flow, removed 16 redundant places. [2024-11-27 23:32:57,167 INFO L231 Difference]: Finished difference. Result has 57 places, 0 transitions, 0 flow [2024-11-27 23:32:57,167 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=161, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=57, PETRI_TRANSITIONS=0} [2024-11-27 23:32:57,168 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 11 predicate places. [2024-11-27 23:32:57,168 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 0 transitions, 0 flow [2024-11-27 23:32:57,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 23:32:57,171 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2024-11-27 23:32:57,171 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2024-11-27 23:32:57,171 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-11-27 23:32:57,172 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-11-27 23:32:57,172 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-11-27 23:32:57,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 23:32:57,172 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:32:57,176 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-27 23:32:57,176 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 23:32:57,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:32:57 BasicIcfg [2024-11-27 23:32:57,182 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 23:32:57,183 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 23:32:57,183 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 23:32:57,183 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 23:32:57,184 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:32:50" (3/4) ... [2024-11-27 23:32:57,186 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 23:32:57,190 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-27 23:32:57,190 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-27 23:32:57,190 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-27 23:32:57,194 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2024-11-27 23:32:57,194 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-27 23:32:57,194 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 23:32:57,195 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-27 23:32:57,271 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92ee101-01b1-4dd3-8b93-d00a3bc70b29/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 23:32:57,272 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92ee101-01b1-4dd3-8b93-d00a3bc70b29/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 23:32:57,272 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 23:32:57,273 INFO L158 Benchmark]: Toolchain (without parser) took 8370.05ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 98.7MB in the beginning and 121.6MB in the end (delta: -22.9MB). Peak memory consumption was 183.3MB. Max. memory is 16.1GB. [2024-11-27 23:32:57,273 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:32:57,274 INFO L158 Benchmark]: CACSL2BoogieTranslator took 540.09ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 78.4MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 23:32:57,275 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.84ms. Allocated memory is still 142.6MB. Free memory was 78.4MB in the beginning and 76.4MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:32:57,275 INFO L158 Benchmark]: Boogie Preprocessor took 43.06ms. Allocated memory is still 142.6MB. Free memory was 76.4MB in the beginning and 74.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:32:57,276 INFO L158 Benchmark]: RCFGBuilder took 599.12ms. Allocated memory is still 142.6MB. Free memory was 74.8MB in the beginning and 56.2MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 23:32:57,277 INFO L158 Benchmark]: TraceAbstraction took 7053.62ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 55.6MB in the beginning and 129.0MB in the end (delta: -73.4MB). Peak memory consumption was 132.9MB. Max. memory is 16.1GB. [2024-11-27 23:32:57,277 INFO L158 Benchmark]: Witness Printer took 89.01ms. Allocated memory is still 352.3MB. Free memory was 129.0MB in the beginning and 121.6MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:32:57,279 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 540.09ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 78.4MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.84ms. Allocated memory is still 142.6MB. Free memory was 78.4MB in the beginning and 76.4MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.06ms. Allocated memory is still 142.6MB. Free memory was 76.4MB in the beginning and 74.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 599.12ms. Allocated memory is still 142.6MB. Free memory was 74.8MB in the beginning and 56.2MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7053.62ms. Allocated memory was 142.6MB in the beginning and 352.3MB in the end (delta: 209.7MB). Free memory was 55.6MB in the beginning and 129.0MB in the end (delta: -73.4MB). Peak memory consumption was 132.9MB. Max. memory is 16.1GB. * Witness Printer took 89.01ms. Allocated memory is still 352.3MB. Free memory was 129.0MB in the beginning and 121.6MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 771]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 17]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 64 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 6.9s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 374 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 342 mSDsluCounter, 205 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 151 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 911 IncrementalHoareTripleChecker+Invalid, 941 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 54 mSDtfsCounter, 911 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=324occurred in iteration=7, InterpolantAutomatonStates: 68, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 215 NumberOfCodeBlocks, 215 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 205 ConstructedInterpolants, 0 QuantifiedInterpolants, 907 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-27 23:32:57,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f92ee101-01b1-4dd3-8b93-d00a3bc70b29/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE