./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.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_73075bd0-a3f1-4627-8d3c-a6f55e2d97ab/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73075bd0-a3f1-4627-8d3c-a6f55e2d97ab/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_73075bd0-a3f1-4627-8d3c-a6f55e2d97ab/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73075bd0-a3f1-4627-8d3c-a6f55e2d97ab/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73075bd0-a3f1-4627-8d3c-a6f55e2d97ab/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_73075bd0-a3f1-4627-8d3c-a6f55e2d97ab/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 e02ca79ae11b312cb156178ccd52c5da7b51884a938996d16b5a625457869bce --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:16:59,676 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:16:59,753 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73075bd0-a3f1-4627-8d3c-a6f55e2d97ab/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-27 23:16:59,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:16:59,762 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:16:59,786 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:16:59,787 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:16:59,787 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:16:59,787 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:16:59,787 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:16:59,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:16:59,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:16:59,788 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:16:59,788 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:16:59,788 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:16:59,789 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:16:59,789 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 23:16:59,789 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:16:59,789 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 23:16:59,789 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:16:59,789 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-27 23:16:59,790 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-27 23:16:59,790 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-27 23:16:59,790 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:16:59,790 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-27 23:16:59,790 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 23:16:59,790 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 23:16:59,790 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:16:59,791 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:16:59,791 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:16:59,791 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:16:59,791 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:16:59,791 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:16:59,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:16:59,792 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:16:59,792 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:16:59,792 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:16:59,792 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:16:59,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:16:59,792 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:16:59,792 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:16:59,793 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:16:59,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:16:59,793 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:16:59,793 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:16:59,793 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:16:59,793 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:16:59,793 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_73075bd0-a3f1-4627-8d3c-a6f55e2d97ab/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 -> e02ca79ae11b312cb156178ccd52c5da7b51884a938996d16b5a625457869bce [2024-11-27 23:17:00,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:17:00,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:17:00,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:17:00,136 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:17:00,137 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:17:00,139 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73075bd0-a3f1-4627-8d3c-a6f55e2d97ab/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-27 23:17:03,247 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73075bd0-a3f1-4627-8d3c-a6f55e2d97ab/bin/uautomizer-verify-aQ6SnzHsRB/data/bbc91a2fa/097ec4e78a414818b13e550e4f5aa7b8/FLAG6ca59cf89 [2024-11-27 23:17:03,588 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:17:03,589 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73075bd0-a3f1-4627-8d3c-a6f55e2d97ab/sv-benchmarks/c/pthread-wmm/safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-27 23:17:03,604 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73075bd0-a3f1-4627-8d3c-a6f55e2d97ab/bin/uautomizer-verify-aQ6SnzHsRB/data/bbc91a2fa/097ec4e78a414818b13e550e4f5aa7b8/FLAG6ca59cf89 [2024-11-27 23:17:03,631 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73075bd0-a3f1-4627-8d3c-a6f55e2d97ab/bin/uautomizer-verify-aQ6SnzHsRB/data/bbc91a2fa/097ec4e78a414818b13e550e4f5aa7b8 [2024-11-27 23:17:03,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:17:03,640 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:17:03,643 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:17:03,643 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:17:03,650 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:17:03,651 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:17:03" (1/1) ... [2024-11-27 23:17:03,652 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 11:17:03, skipping insertion in model container [2024-11-27 23:17:03,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:17:03" (1/1) ... [2024-11-27 23:17:03,700 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:17:04,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:17:04,073 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:17:04,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:17:04,170 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:17:04,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:04 WrapperNode [2024-11-27 23:17:04,170 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:17:04,172 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:17:04,172 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:17:04,172 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:17:04,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:04" (1/1) ... [2024-11-27 23:17:04,193 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:04" (1/1) ... [2024-11-27 23:17:04,211 INFO L138 Inliner]: procedures = 175, calls = 40, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2024-11-27 23:17:04,212 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:17:04,213 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:17:04,213 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:17:04,213 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:17:04,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:04" (1/1) ... [2024-11-27 23:17:04,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:04" (1/1) ... [2024-11-27 23:17:04,223 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:04" (1/1) ... [2024-11-27 23:17:04,237 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 23:17:04,237 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:04" (1/1) ... [2024-11-27 23:17:04,237 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:04" (1/1) ... [2024-11-27 23:17:04,246 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:04" (1/1) ... [2024-11-27 23:17:04,247 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:04" (1/1) ... [2024-11-27 23:17:04,249 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:04" (1/1) ... [2024-11-27 23:17:04,250 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:04" (1/1) ... [2024-11-27 23:17:04,251 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:04" (1/1) ... [2024-11-27 23:17:04,253 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:17:04,254 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:17:04,254 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:17:04,254 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:17:04,255 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:04" (1/1) ... [2024-11-27 23:17:04,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:17:04,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73075bd0-a3f1-4627-8d3c-a6f55e2d97ab/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:04,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73075bd0-a3f1-4627-8d3c-a6f55e2d97ab/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:17:04,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73075bd0-a3f1-4627-8d3c-a6f55e2d97ab/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:17:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-27 23:17:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:17:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-27 23:17:04,331 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-27 23:17:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-27 23:17:04,331 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-27 23:17:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-27 23:17:04,332 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-27 23:17:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 23:17:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-27 23:17:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:17:04,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:17:04,333 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 23:17:04,474 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:17:04,476 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:17:04,642 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 23:17:04,642 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:17:04,740 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:17:04,740 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-27 23:17:04,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:17:04 BoogieIcfgContainer [2024-11-27 23:17:04,740 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:17:04,743 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:17:04,743 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:17:04,748 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:17:04,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:17:03" (1/3) ... [2024-11-27 23:17:04,749 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 11:17:04, skipping insertion in model container [2024-11-27 23:17:04,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:17:04" (2/3) ... [2024-11-27 23:17:04,749 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 11:17:04, skipping insertion in model container [2024-11-27 23:17:04,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:17:04" (3/3) ... [2024-11-27 23:17:04,750 INFO L128 eAbstractionObserver]: Analyzing ICFG safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-27 23:17:04,766 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:17:04,767 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG safe009_pso.oepc_pso.opt_tso.oepc_tso.opt.i that has 4 procedures, 41 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-27 23:17:04,768 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 23:17:04,839 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-27 23:17:04,886 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 50 places, 42 transitions, 96 flow [2024-11-27 23:17:04,935 INFO L124 PetriNetUnfolderBase]: 2/39 cut-off events. [2024-11-27 23:17:04,939 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 23:17:04,943 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 69 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 23:17:04,944 INFO L82 GeneralOperation]: Start removeDead. Operand has 50 places, 42 transitions, 96 flow [2024-11-27 23:17:04,947 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 46 places, 38 transitions, 85 flow [2024-11-27 23:17:04,955 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:17:04,966 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 23:17:04,966 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-27 23:17:05,007 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 23:17:05,008 INFO L124 PetriNetUnfolderBase]: 2/36 cut-off events. [2024-11-27 23:17:05,008 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 23:17:05,008 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:17:05,009 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:17:05,010 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 23:17:05,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:05,016 INFO L85 PathProgramCache]: Analyzing trace with hash 2044338403, now seen corresponding path program 1 times [2024-11-27 23:17:05,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:17:05,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132571474] [2024-11-27 23:17:05,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:05,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:17:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:17:05,353 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 23:17:05,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:17:05,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132571474] [2024-11-27 23:17:05,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132571474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:17:05,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:17:05,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-27 23:17:05,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820451969] [2024-11-27 23:17:05,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:17:05,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 23:17:05,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:17:05,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 23:17:05,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 23:17:05,398 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 42 [2024-11-27 23:17:05,400 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 23:17:05,400 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:17:05,400 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 42 [2024-11-27 23:17:05,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:17:05,525 INFO L124 PetriNetUnfolderBase]: 75/215 cut-off events. [2024-11-27 23:17:05,525 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 23:17:05,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 370 conditions, 215 events. 75/215 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 1154 event pairs, 75 based on Foata normal form. 24/221 useless extension candidates. Maximal degree in co-relation 359. Up to 136 conditions per place. [2024-11-27 23:17:05,531 INFO L140 encePairwiseOnDemand]: 38/42 looper letters, 12 selfloop transitions, 1 changer transitions 1/34 dead transitions. [2024-11-27 23:17:05,531 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 34 transitions, 105 flow [2024-11-27 23:17:05,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 23:17:05,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 23:17:05,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 86 transitions. [2024-11-27 23:17:05,548 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6825396825396826 [2024-11-27 23:17:05,550 INFO L175 Difference]: Start difference. First operand has 46 places, 38 transitions, 85 flow. Second operand 3 states and 86 transitions. [2024-11-27 23:17:05,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 34 transitions, 105 flow [2024-11-27 23:17:05,556 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 23:17:05,559 INFO L231 Difference]: Finished difference. Result has 43 places, 33 transitions, 74 flow [2024-11-27 23:17:05,561 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 23:17:05,566 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, -3 predicate places. [2024-11-27 23:17:05,566 INFO L471 AbstractCegarLoop]: Abstraction has has 43 places, 33 transitions, 74 flow [2024-11-27 23:17:05,566 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 23:17:05,566 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:17:05,566 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:17:05,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 23:17:05,567 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 23:17:05,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:05,567 INFO L85 PathProgramCache]: Analyzing trace with hash 2044339834, now seen corresponding path program 1 times [2024-11-27 23:17:05,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:17:05,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896684011] [2024-11-27 23:17:05,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:05,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:17:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:17:06,017 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 23:17:06,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:17:06,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896684011] [2024-11-27 23:17:06,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896684011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:17:06,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:17:06,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:17:06,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856428944] [2024-11-27 23:17:06,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:17:06,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:17:06,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:17:06,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:17:06,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:17:06,055 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 42 [2024-11-27 23:17:06,056 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 23:17:06,056 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:17:06,056 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 42 [2024-11-27 23:17:06,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:17:06,777 INFO L124 PetriNetUnfolderBase]: 962/1847 cut-off events. [2024-11-27 23:17:06,778 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 23:17:06,794 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3408 conditions, 1847 events. 962/1847 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 12916 event pairs, 280 based on Foata normal form. 0/1758 useless extension candidates. Maximal degree in co-relation 3402. Up to 647 conditions per place. [2024-11-27 23:17:06,803 INFO L140 encePairwiseOnDemand]: 33/42 looper letters, 27 selfloop transitions, 5 changer transitions 45/91 dead transitions. [2024-11-27 23:17:06,803 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 91 transitions, 348 flow [2024-11-27 23:17:06,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 23:17:06,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-27 23:17:06,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 241 transitions. [2024-11-27 23:17:06,807 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6375661375661376 [2024-11-27 23:17:06,807 INFO L175 Difference]: Start difference. First operand has 43 places, 33 transitions, 74 flow. Second operand 9 states and 241 transitions. [2024-11-27 23:17:06,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 91 transitions, 348 flow [2024-11-27 23:17:06,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 91 transitions, 347 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 23:17:06,814 INFO L231 Difference]: Finished difference. Result has 55 places, 35 transitions, 124 flow [2024-11-27 23:17:06,814 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=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=124, PETRI_PLACES=55, PETRI_TRANSITIONS=35} [2024-11-27 23:17:06,815 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 9 predicate places. [2024-11-27 23:17:06,816 INFO L471 AbstractCegarLoop]: Abstraction has has 55 places, 35 transitions, 124 flow [2024-11-27 23:17:06,816 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 23:17:06,816 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:17:06,816 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 23:17:06,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 23:17:06,817 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 23:17:06,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:06,818 INFO L85 PathProgramCache]: Analyzing trace with hash -708306437, now seen corresponding path program 1 times [2024-11-27 23:17:06,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:17:06,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664062643] [2024-11-27 23:17:06,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:06,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:17:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:17:07,169 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 23:17:07,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:17:07,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664062643] [2024-11-27 23:17:07,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664062643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:17:07,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:17:07,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:17:07,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186311452] [2024-11-27 23:17:07,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:17:07,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:17:07,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:17:07,172 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:17:07,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:17:07,192 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 42 [2024-11-27 23:17:07,193 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 35 transitions, 124 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 23:17:07,193 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:17:07,193 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 42 [2024-11-27 23:17:07,193 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:17:07,701 INFO L124 PetriNetUnfolderBase]: 660/1386 cut-off events. [2024-11-27 23:17:07,701 INFO L125 PetriNetUnfolderBase]: For 1757/1766 co-relation queries the response was YES. [2024-11-27 23:17:07,706 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3722 conditions, 1386 events. 660/1386 cut-off events. For 1757/1766 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 9649 event pairs, 113 based on Foata normal form. 58/1435 useless extension candidates. Maximal degree in co-relation 3709. Up to 515 conditions per place. [2024-11-27 23:17:07,714 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 34 selfloop transitions, 7 changer transitions 38/93 dead transitions. [2024-11-27 23:17:07,714 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 93 transitions, 567 flow [2024-11-27 23:17:07,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 23:17:07,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-27 23:17:07,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 259 transitions. [2024-11-27 23:17:07,716 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6166666666666667 [2024-11-27 23:17:07,717 INFO L175 Difference]: Start difference. First operand has 55 places, 35 transitions, 124 flow. Second operand 10 states and 259 transitions. [2024-11-27 23:17:07,717 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 93 transitions, 567 flow [2024-11-27 23:17:07,733 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 93 transitions, 513 flow, removed 19 selfloop flow, removed 4 redundant places. [2024-11-27 23:17:07,736 INFO L231 Difference]: Finished difference. Result has 61 places, 39 transitions, 179 flow [2024-11-27 23:17:07,736 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=179, PETRI_PLACES=61, PETRI_TRANSITIONS=39} [2024-11-27 23:17:07,737 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 15 predicate places. [2024-11-27 23:17:07,738 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 39 transitions, 179 flow [2024-11-27 23:17:07,738 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 23:17:07,738 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:17:07,738 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 23:17:07,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 23:17:07,739 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 23:17:07,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:07,740 INFO L85 PathProgramCache]: Analyzing trace with hash 790690683, now seen corresponding path program 1 times [2024-11-27 23:17:07,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:17:07,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036877109] [2024-11-27 23:17:07,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:07,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:17:07,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:17:07,964 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 23:17:07,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:17:07,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036877109] [2024-11-27 23:17:07,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036877109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:17:07,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:17:07,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:17:07,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103625259] [2024-11-27 23:17:07,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:17:07,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:17:07,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:17:07,966 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:17:07,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:17:07,980 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 42 [2024-11-27 23:17:07,981 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 39 transitions, 179 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 23:17:07,981 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:17:07,981 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 42 [2024-11-27 23:17:07,982 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:17:08,437 INFO L124 PetriNetUnfolderBase]: 544/1188 cut-off events. [2024-11-27 23:17:08,437 INFO L125 PetriNetUnfolderBase]: For 2247/2253 co-relation queries the response was YES. [2024-11-27 23:17:08,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3389 conditions, 1188 events. 544/1188 cut-off events. For 2247/2253 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 8198 event pairs, 173 based on Foata normal form. 38/1210 useless extension candidates. Maximal degree in co-relation 3370. Up to 433 conditions per place. [2024-11-27 23:17:08,449 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 40 selfloop transitions, 7 changer transitions 32/93 dead transitions. [2024-11-27 23:17:08,449 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 93 transitions, 592 flow [2024-11-27 23:17:08,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 23:17:08,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-27 23:17:08,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 252 transitions. [2024-11-27 23:17:08,451 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6 [2024-11-27 23:17:08,451 INFO L175 Difference]: Start difference. First operand has 61 places, 39 transitions, 179 flow. Second operand 10 states and 252 transitions. [2024-11-27 23:17:08,451 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 93 transitions, 592 flow [2024-11-27 23:17:08,464 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 93 transitions, 544 flow, removed 24 selfloop flow, removed 5 redundant places. [2024-11-27 23:17:08,467 INFO L231 Difference]: Finished difference. Result has 68 places, 42 transitions, 235 flow [2024-11-27 23:17:08,467 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=161, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=235, PETRI_PLACES=68, PETRI_TRANSITIONS=42} [2024-11-27 23:17:08,468 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 22 predicate places. [2024-11-27 23:17:08,469 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 42 transitions, 235 flow [2024-11-27 23:17:08,469 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 23:17:08,470 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:17:08,470 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 23:17:08,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 23:17:08,470 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 23:17:08,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:08,472 INFO L85 PathProgramCache]: Analyzing trace with hash 5907438, now seen corresponding path program 1 times [2024-11-27 23:17:08,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:17:08,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948278477] [2024-11-27 23:17:08,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:08,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:17:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:17:08,662 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 23:17:08,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:17:08,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948278477] [2024-11-27 23:17:08,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948278477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:17:08,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:17:08,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:17:08,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241386235] [2024-11-27 23:17:08,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:17:08,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:17:08,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:17:08,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:17:08,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:17:08,686 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 42 [2024-11-27 23:17:08,687 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 42 transitions, 235 flow. Second operand has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 6 states have internal predecessors, (121), 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 23:17:08,687 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:17:08,687 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 42 [2024-11-27 23:17:08,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:17:08,997 INFO L124 PetriNetUnfolderBase]: 460/974 cut-off events. [2024-11-27 23:17:08,997 INFO L125 PetriNetUnfolderBase]: For 2333/2333 co-relation queries the response was YES. [2024-11-27 23:17:09,000 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3007 conditions, 974 events. 460/974 cut-off events. For 2333/2333 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 6326 event pairs, 86 based on Foata normal form. 16/980 useless extension candidates. Maximal degree in co-relation 2982. Up to 390 conditions per place. [2024-11-27 23:17:09,006 INFO L140 encePairwiseOnDemand]: 34/42 looper letters, 35 selfloop transitions, 10 changer transitions 22/81 dead transitions. [2024-11-27 23:17:09,006 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 81 transitions, 546 flow [2024-11-27 23:17:09,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 23:17:09,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-27 23:17:09,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 242 transitions. [2024-11-27 23:17:09,008 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5761904761904761 [2024-11-27 23:17:09,008 INFO L175 Difference]: Start difference. First operand has 68 places, 42 transitions, 235 flow. Second operand 10 states and 242 transitions. [2024-11-27 23:17:09,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 81 transitions, 546 flow [2024-11-27 23:17:09,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 81 transitions, 497 flow, removed 22 selfloop flow, removed 6 redundant places. [2024-11-27 23:17:09,017 INFO L231 Difference]: Finished difference. Result has 72 places, 42 transitions, 254 flow [2024-11-27 23:17:09,017 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=217, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=254, PETRI_PLACES=72, PETRI_TRANSITIONS=42} [2024-11-27 23:17:09,019 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 26 predicate places. [2024-11-27 23:17:09,019 INFO L471 AbstractCegarLoop]: Abstraction has has 72 places, 42 transitions, 254 flow [2024-11-27 23:17:09,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.166666666666668) internal successors, (121), 6 states have internal predecessors, (121), 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 23:17:09,021 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:17:09,021 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:17:09,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 23:17:09,021 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 23:17:09,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:09,022 INFO L85 PathProgramCache]: Analyzing trace with hash 46403428, now seen corresponding path program 1 times [2024-11-27 23:17:09,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:17:09,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106273864] [2024-11-27 23:17:09,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:09,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:17:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:17:09,208 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 23:17:09,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:17:09,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106273864] [2024-11-27 23:17:09,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106273864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:17:09,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:17:09,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:17:09,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224941063] [2024-11-27 23:17:09,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:17:09,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:17:09,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:17:09,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:17:09,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:17:09,230 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 42 [2024-11-27 23:17:09,231 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 42 transitions, 254 flow. Second operand has 7 states, 7 states have (on average 19.0) internal successors, (133), 7 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 23:17:09,231 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:17:09,231 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 42 [2024-11-27 23:17:09,231 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:17:09,636 INFO L124 PetriNetUnfolderBase]: 765/1621 cut-off events. [2024-11-27 23:17:09,637 INFO L125 PetriNetUnfolderBase]: For 4165/4174 co-relation queries the response was YES. [2024-11-27 23:17:09,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4881 conditions, 1621 events. 765/1621 cut-off events. For 4165/4174 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 11590 event pairs, 133 based on Foata normal form. 40/1642 useless extension candidates. Maximal degree in co-relation 4853. Up to 374 conditions per place. [2024-11-27 23:17:09,649 INFO L140 encePairwiseOnDemand]: 34/42 looper letters, 41 selfloop transitions, 6 changer transitions 40/100 dead transitions. [2024-11-27 23:17:09,649 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 100 transitions, 779 flow [2024-11-27 23:17:09,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 23:17:09,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-27 23:17:09,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 228 transitions. [2024-11-27 23:17:09,653 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6031746031746031 [2024-11-27 23:17:09,653 INFO L175 Difference]: Start difference. First operand has 72 places, 42 transitions, 254 flow. Second operand 9 states and 228 transitions. [2024-11-27 23:17:09,653 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 100 transitions, 779 flow [2024-11-27 23:17:09,666 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 100 transitions, 697 flow, removed 20 selfloop flow, removed 11 redundant places. [2024-11-27 23:17:09,668 INFO L231 Difference]: Finished difference. Result has 69 places, 36 transitions, 193 flow [2024-11-27 23:17:09,668 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=193, PETRI_PLACES=69, PETRI_TRANSITIONS=36} [2024-11-27 23:17:09,669 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 23 predicate places. [2024-11-27 23:17:09,670 INFO L471 AbstractCegarLoop]: Abstraction has has 69 places, 36 transitions, 193 flow [2024-11-27 23:17:09,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.0) internal successors, (133), 7 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 23:17:09,670 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:17:09,670 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] [2024-11-27 23:17:09,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 23:17:09,670 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 23:17:09,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:09,671 INFO L85 PathProgramCache]: Analyzing trace with hash -966915387, now seen corresponding path program 1 times [2024-11-27 23:17:09,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:17:09,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334489912] [2024-11-27 23:17:09,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:09,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:17:09,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:17:09,896 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 23:17:09,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:17:09,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334489912] [2024-11-27 23:17:09,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334489912] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:17:09,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:17:09,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:17:09,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395976500] [2024-11-27 23:17:09,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:17:09,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:17:09,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:17:09,898 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:17:09,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:17:09,919 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 42 [2024-11-27 23:17:09,919 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 36 transitions, 193 flow. Second operand has 6 states, 6 states have (on average 21.166666666666668) internal successors, (127), 6 states have internal predecessors, (127), 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 23:17:09,919 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:17:09,920 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 42 [2024-11-27 23:17:09,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:17:10,117 INFO L124 PetriNetUnfolderBase]: 304/704 cut-off events. [2024-11-27 23:17:10,117 INFO L125 PetriNetUnfolderBase]: For 1918/1971 co-relation queries the response was YES. [2024-11-27 23:17:10,120 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2055 conditions, 704 events. 304/704 cut-off events. For 1918/1971 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 4414 event pairs, 121 based on Foata normal form. 20/702 useless extension candidates. Maximal degree in co-relation 2029. Up to 216 conditions per place. [2024-11-27 23:17:10,121 INFO L140 encePairwiseOnDemand]: 35/42 looper letters, 19 selfloop transitions, 3 changer transitions 20/57 dead transitions. [2024-11-27 23:17:10,121 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 57 transitions, 372 flow [2024-11-27 23:17:10,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:17:10,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 23:17:10,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 156 transitions. [2024-11-27 23:17:10,123 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6190476190476191 [2024-11-27 23:17:10,123 INFO L175 Difference]: Start difference. First operand has 69 places, 36 transitions, 193 flow. Second operand 6 states and 156 transitions. [2024-11-27 23:17:10,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 57 transitions, 372 flow [2024-11-27 23:17:10,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 57 transitions, 277 flow, removed 18 selfloop flow, removed 15 redundant places. [2024-11-27 23:17:10,128 INFO L231 Difference]: Finished difference. Result has 58 places, 32 transitions, 117 flow [2024-11-27 23:17:10,128 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=131, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=117, PETRI_PLACES=58, PETRI_TRANSITIONS=32} [2024-11-27 23:17:10,129 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 12 predicate places. [2024-11-27 23:17:10,129 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 32 transitions, 117 flow [2024-11-27 23:17:10,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.166666666666668) internal successors, (127), 6 states have internal predecessors, (127), 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 23:17:10,129 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:17:10,129 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] [2024-11-27 23:17:10,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 23:17:10,130 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 23:17:10,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:10,130 INFO L85 PathProgramCache]: Analyzing trace with hash -76436607, now seen corresponding path program 2 times [2024-11-27 23:17:10,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:17:10,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174192140] [2024-11-27 23:17:10,131 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 23:17:10,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:17:10,146 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 23:17:10,146 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 23:17:10,228 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 23:17:10,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:17:10,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174192140] [2024-11-27 23:17:10,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174192140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:17:10,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:17:10,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 23:17:10,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377339901] [2024-11-27 23:17:10,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:17:10,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:17:10,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:17:10,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:17:10,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:17:10,239 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 42 [2024-11-27 23:17:10,240 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 32 transitions, 117 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 23:17:10,240 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:17:10,240 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 42 [2024-11-27 23:17:10,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:17:10,338 INFO L124 PetriNetUnfolderBase]: 324/621 cut-off events. [2024-11-27 23:17:10,338 INFO L125 PetriNetUnfolderBase]: For 128/138 co-relation queries the response was YES. [2024-11-27 23:17:10,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1279 conditions, 621 events. 324/621 cut-off events. For 128/138 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 3135 event pairs, 102 based on Foata normal form. 27/621 useless extension candidates. Maximal degree in co-relation 1261. Up to 331 conditions per place. [2024-11-27 23:17:10,341 INFO L140 encePairwiseOnDemand]: 36/42 looper letters, 20 selfloop transitions, 4 changer transitions 4/43 dead transitions. [2024-11-27 23:17:10,341 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 43 transitions, 195 flow [2024-11-27 23:17:10,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:17:10,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-27 23:17:10,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 110 transitions. [2024-11-27 23:17:10,342 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6547619047619048 [2024-11-27 23:17:10,343 INFO L175 Difference]: Start difference. First operand has 58 places, 32 transitions, 117 flow. Second operand 4 states and 110 transitions. [2024-11-27 23:17:10,343 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 43 transitions, 195 flow [2024-11-27 23:17:10,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 43 transitions, 163 flow, removed 8 selfloop flow, removed 11 redundant places. [2024-11-27 23:17:10,344 INFO L231 Difference]: Finished difference. Result has 50 places, 34 transitions, 113 flow [2024-11-27 23:17:10,345 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=113, PETRI_PLACES=50, PETRI_TRANSITIONS=34} [2024-11-27 23:17:10,345 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 4 predicate places. [2024-11-27 23:17:10,345 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 34 transitions, 113 flow [2024-11-27 23:17:10,345 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 23:17:10,346 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:17:10,346 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 23:17:10,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 23:17:10,346 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 23:17:10,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:10,347 INFO L85 PathProgramCache]: Analyzing trace with hash -1259166180, now seen corresponding path program 1 times [2024-11-27 23:17:10,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:17:10,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028597134] [2024-11-27 23:17:10,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:10,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:17:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:17:10,449 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 23:17:10,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:17:10,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028597134] [2024-11-27 23:17:10,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028597134] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:17:10,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:17:10,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:17:10,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112731739] [2024-11-27 23:17:10,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:17:10,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:17:10,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:17:10,451 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:17:10,451 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:17:10,463 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 42 [2024-11-27 23:17:10,463 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 34 transitions, 113 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 23:17:10,463 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:17:10,464 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 42 [2024-11-27 23:17:10,464 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:17:10,577 INFO L124 PetriNetUnfolderBase]: 218/436 cut-off events. [2024-11-27 23:17:10,577 INFO L125 PetriNetUnfolderBase]: For 147/192 co-relation queries the response was YES. [2024-11-27 23:17:10,578 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1029 conditions, 436 events. 218/436 cut-off events. For 147/192 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 1942 event pairs, 30 based on Foata normal form. 27/447 useless extension candidates. Maximal degree in co-relation 1018. Up to 193 conditions per place. [2024-11-27 23:17:10,579 INFO L140 encePairwiseOnDemand]: 36/42 looper letters, 19 selfloop transitions, 6 changer transitions 8/48 dead transitions. [2024-11-27 23:17:10,579 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 48 transitions, 222 flow [2024-11-27 23:17:10,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:17:10,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-27 23:17:10,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 135 transitions. [2024-11-27 23:17:10,582 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6428571428571429 [2024-11-27 23:17:10,582 INFO L175 Difference]: Start difference. First operand has 50 places, 34 transitions, 113 flow. Second operand 5 states and 135 transitions. [2024-11-27 23:17:10,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 48 transitions, 222 flow [2024-11-27 23:17:10,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 48 transitions, 213 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-27 23:17:10,586 INFO L231 Difference]: Finished difference. Result has 54 places, 34 transitions, 131 flow [2024-11-27 23:17:10,587 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=131, PETRI_PLACES=54, PETRI_TRANSITIONS=34} [2024-11-27 23:17:10,588 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 8 predicate places. [2024-11-27 23:17:10,588 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 34 transitions, 131 flow [2024-11-27 23:17:10,588 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 23:17:10,589 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 23:17:10,589 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] [2024-11-27 23:17:10,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 23:17:10,590 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 23:17:10,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:10,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1870750541, now seen corresponding path program 1 times [2024-11-27 23:17:10,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:17:10,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540550308] [2024-11-27 23:17:10,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:10,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:17:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:17:10,733 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 23:17:10,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:17:10,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540550308] [2024-11-27 23:17:10,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540550308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:17:10,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:17:10,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:17:10,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188267046] [2024-11-27 23:17:10,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:17:10,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:17:10,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:17:10,735 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:17:10,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:17:10,743 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 20 out of 42 [2024-11-27 23:17:10,743 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 34 transitions, 131 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 23:17:10,743 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 23:17:10,743 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 20 of 42 [2024-11-27 23:17:10,743 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 23:17:10,838 INFO L124 PetriNetUnfolderBase]: 76/162 cut-off events. [2024-11-27 23:17:10,838 INFO L125 PetriNetUnfolderBase]: For 165/214 co-relation queries the response was YES. [2024-11-27 23:17:10,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 435 conditions, 162 events. 76/162 cut-off events. For 165/214 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 474 event pairs, 2 based on Foata normal form. 16/174 useless extension candidates. Maximal degree in co-relation 422. Up to 56 conditions per place. [2024-11-27 23:17:10,839 INFO L140 encePairwiseOnDemand]: 36/42 looper letters, 0 selfloop transitions, 0 changer transitions 40/40 dead transitions. [2024-11-27 23:17:10,839 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 40 transitions, 199 flow [2024-11-27 23:17:10,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:17:10,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 23:17:10,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 150 transitions. [2024-11-27 23:17:10,840 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5952380952380952 [2024-11-27 23:17:10,840 INFO L175 Difference]: Start difference. First operand has 54 places, 34 transitions, 131 flow. Second operand 6 states and 150 transitions. [2024-11-27 23:17:10,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 40 transitions, 199 flow [2024-11-27 23:17:10,841 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 40 transitions, 174 flow, removed 3 selfloop flow, removed 6 redundant places. [2024-11-27 23:17:10,842 INFO L231 Difference]: Finished difference. Result has 48 places, 0 transitions, 0 flow [2024-11-27 23:17:10,843 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=42, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=48, PETRI_TRANSITIONS=0} [2024-11-27 23:17:10,844 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 2 predicate places. [2024-11-27 23:17:10,845 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 0 transitions, 0 flow [2024-11-27 23:17:10,845 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 23:17:10,847 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 5 remaining) [2024-11-27 23:17:10,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 5 remaining) [2024-11-27 23:17:10,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-11-27 23:17:10,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-11-27 23:17:10,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-11-27 23:17:10,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 23:17:10,849 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:17:10,853 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-27 23:17:10,853 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 23:17:10,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:17:10 BasicIcfg [2024-11-27 23:17:10,858 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 23:17:10,859 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 23:17:10,859 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 23:17:10,861 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 23:17:10,862 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:17:04" (3/4) ... [2024-11-27 23:17:10,864 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 23:17:10,867 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-27 23:17:10,868 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-27 23:17:10,868 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-27 23:17:10,873 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2024-11-27 23:17:10,873 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-27 23:17:10,874 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 23:17:10,874 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-27 23:17:10,953 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73075bd0-a3f1-4627-8d3c-a6f55e2d97ab/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 23:17:10,954 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73075bd0-a3f1-4627-8d3c-a6f55e2d97ab/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 23:17:10,954 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 23:17:10,954 INFO L158 Benchmark]: Toolchain (without parser) took 7314.99ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 92.6MB in the beginning and 173.5MB in the end (delta: -81.0MB). Peak memory consumption was 149.2MB. Max. memory is 16.1GB. [2024-11-27 23:17:10,955 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:17:10,956 INFO L158 Benchmark]: CACSL2BoogieTranslator took 527.80ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 72.5MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 23:17:10,956 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.56ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 70.8MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 23:17:10,957 INFO L158 Benchmark]: Boogie Preprocessor took 40.55ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 68.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:17:10,957 INFO L158 Benchmark]: RCFGBuilder took 486.61ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 50.0MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-27 23:17:10,958 INFO L158 Benchmark]: TraceAbstraction took 6115.74ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 49.6MB in the beginning and 175.1MB in the end (delta: -125.5MB). Peak memory consumption was 107.3MB. Max. memory is 16.1GB. [2024-11-27 23:17:10,959 INFO L158 Benchmark]: Witness Printer took 94.68ms. Allocated memory is still 352.3MB. Free memory was 175.1MB in the beginning and 173.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 23:17:10,962 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 527.80ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 72.5MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.56ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 70.8MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.55ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 68.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 486.61ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 50.0MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6115.74ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 49.6MB in the beginning and 175.1MB in the end (delta: -125.5MB). Peak memory consumption was 107.3MB. Max. memory is 16.1GB. * Witness Printer took 94.68ms. Allocated memory is still 352.3MB. Free memory was 175.1MB in the beginning and 173.5MB in the end (delta: 1.5MB). There was no memory consumed. 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: 6.0s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 415 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 353 mSDsluCounter, 218 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 149 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 872 IncrementalHoareTripleChecker+Invalid, 895 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 69 mSDtfsCounter, 872 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=254occurred in iteration=5, InterpolantAutomatonStates: 72, 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, 1.9s InterpolantComputationTime, 197 NumberOfCodeBlocks, 197 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 187 ConstructedInterpolants, 0 QuantifiedInterpolants, 729 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 23:17:10,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73075bd0-a3f1-4627-8d3c-a6f55e2d97ab/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