./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi000_tso.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a70b66-07a9-4c91-87d0-c54ada25d197/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a70b66-07a9-4c91-87d0-c54ada25d197/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_60a70b66-07a9-4c91-87d0-c54ada25d197/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a70b66-07a9-4c91-87d0-c54ada25d197/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi000_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a70b66-07a9-4c91-87d0-c54ada25d197/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_60a70b66-07a9-4c91-87d0-c54ada25d197/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 5128c539cd3051e20c09e1924eb0951d5be697be251e10d3c281464ed4c436cd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:46:12,292 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:46:12,410 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a70b66-07a9-4c91-87d0-c54ada25d197/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-28 02:46:12,419 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:46:12,422 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:46:12,468 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:46:12,470 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:46:12,471 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:46:12,471 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:46:12,472 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:46:12,472 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:46:12,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:46:12,474 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:46:12,474 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:46:12,474 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:46:12,474 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:46:12,475 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:46:12,475 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:46:12,476 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:46:12,476 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:46:12,476 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 02:46:12,476 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 02:46:12,476 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 02:46:12,476 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:46:12,477 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:46:12,477 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:46:12,477 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:46:12,477 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:46:12,477 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:46:12,477 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:46:12,477 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:46:12,478 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:46:12,478 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:46:12,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:46:12,478 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:46:12,478 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:46:12,478 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:46:12,478 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:46:12,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:46:12,478 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:46:12,479 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:46:12,479 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:46:12,479 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:46:12,479 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:46:12,479 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:46:12,479 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:46:12,479 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:46:12,479 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_60a70b66-07a9-4c91-87d0-c54ada25d197/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 -> 5128c539cd3051e20c09e1924eb0951d5be697be251e10d3c281464ed4c436cd [2024-11-28 02:46:12,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:46:12,820 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:46:12,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:46:12,827 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:46:12,828 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:46:12,829 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a70b66-07a9-4c91-87d0-c54ada25d197/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-wmm/rfi000_tso.i [2024-11-28 02:46:16,309 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a70b66-07a9-4c91-87d0-c54ada25d197/bin/uautomizer-verify-aQ6SnzHsRB/data/5bae68ca9/110ee1be82e44c3bb131e04c273ba8a2/FLAG94abd2ea3 [2024-11-28 02:46:16,750 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:46:16,755 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a70b66-07a9-4c91-87d0-c54ada25d197/sv-benchmarks/c/pthread-wmm/rfi000_tso.i [2024-11-28 02:46:16,776 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a70b66-07a9-4c91-87d0-c54ada25d197/bin/uautomizer-verify-aQ6SnzHsRB/data/5bae68ca9/110ee1be82e44c3bb131e04c273ba8a2/FLAG94abd2ea3 [2024-11-28 02:46:16,891 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a70b66-07a9-4c91-87d0-c54ada25d197/bin/uautomizer-verify-aQ6SnzHsRB/data/5bae68ca9/110ee1be82e44c3bb131e04c273ba8a2 [2024-11-28 02:46:16,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:46:16,898 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:46:16,900 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:46:16,902 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:46:16,909 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:46:16,911 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:46:16" (1/1) ... [2024-11-28 02:46:16,914 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2860b371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:16, skipping insertion in model container [2024-11-28 02:46:16,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:46:16" (1/1) ... [2024-11-28 02:46:16,981 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:46:17,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:46:17,640 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:46:17,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:46:17,794 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:46:17,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:17 WrapperNode [2024-11-28 02:46:17,797 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:46:17,798 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:46:17,799 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:46:17,799 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:46:17,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:17" (1/1) ... [2024-11-28 02:46:17,839 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:17" (1/1) ... [2024-11-28 02:46:17,887 INFO L138 Inliner]: procedures = 174, calls = 38, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 171 [2024-11-28 02:46:17,888 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:46:17,888 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:46:17,889 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:46:17,889 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:46:17,900 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:17" (1/1) ... [2024-11-28 02:46:17,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:17" (1/1) ... [2024-11-28 02:46:17,905 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:17" (1/1) ... [2024-11-28 02:46:17,941 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]. [2024-11-28 02:46:17,941 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:17" (1/1) ... [2024-11-28 02:46:17,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:17" (1/1) ... [2024-11-28 02:46:17,954 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:17" (1/1) ... [2024-11-28 02:46:17,955 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:17" (1/1) ... [2024-11-28 02:46:17,957 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:17" (1/1) ... [2024-11-28 02:46:17,960 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:17" (1/1) ... [2024-11-28 02:46:17,961 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:17" (1/1) ... [2024-11-28 02:46:17,965 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:46:17,966 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:46:17,966 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:46:17,966 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:46:17,968 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:17" (1/1) ... [2024-11-28 02:46:17,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:46:17,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a70b66-07a9-4c91-87d0-c54ada25d197/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:46:18,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a70b66-07a9-4c91-87d0-c54ada25d197/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:46:18,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a70b66-07a9-4c91-87d0-c54ada25d197/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:46:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 02:46:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:46:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-28 02:46:18,065 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-28 02:46:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-28 02:46:18,065 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-28 02:46:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:46:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 02:46:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:46:18,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:46:18,068 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 02:46:18,284 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:46:18,286 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:46:18,835 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 02:46:18,835 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:46:19,223 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:46:19,224 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 02:46:19,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:19 BoogieIcfgContainer [2024-11-28 02:46:19,225 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:46:19,227 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:46:19,227 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:46:19,233 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:46:19,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:46:16" (1/3) ... [2024-11-28 02:46:19,234 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b03542e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:46:19, skipping insertion in model container [2024-11-28 02:46:19,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:46:17" (2/3) ... [2024-11-28 02:46:19,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b03542e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:46:19, skipping insertion in model container [2024-11-28 02:46:19,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:19" (3/3) ... [2024-11-28 02:46:19,238 INFO L128 eAbstractionObserver]: Analyzing ICFG rfi000_tso.i [2024-11-28 02:46:19,260 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:46:19,262 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rfi000_tso.i that has 3 procedures, 36 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-11-28 02:46:19,263 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 02:46:19,380 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 02:46:19,434 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 37 transitions, 82 flow [2024-11-28 02:46:19,491 INFO L124 PetriNetUnfolderBase]: 2/35 cut-off events. [2024-11-28 02:46:19,497 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:46:19,501 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 35 events. 2/35 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 63 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 35. Up to 2 conditions per place. [2024-11-28 02:46:19,501 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 37 transitions, 82 flow [2024-11-28 02:46:19,505 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 40 places, 35 transitions, 76 flow [2024-11-28 02:46:19,519 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:46:19,541 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;@5b065891, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:46:19,541 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-28 02:46:19,558 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 02:46:19,559 INFO L124 PetriNetUnfolderBase]: 0/14 cut-off events. [2024-11-28 02:46:19,559 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:46:19,559 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:46:19,560 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:19,560 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 02:46:19,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:19,571 INFO L85 PathProgramCache]: Analyzing trace with hash -571450363, now seen corresponding path program 1 times [2024-11-28 02:46:19,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:19,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100120758] [2024-11-28 02:46:19,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:19,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:20,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:46:20,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:20,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100120758] [2024-11-28 02:46:20,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100120758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:20,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:20,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 02:46:20,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829881994] [2024-11-28 02:46:20,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:20,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:46:20,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:20,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:46:20,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:46:20,350 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 37 [2024-11-28 02:46:20,355 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 35 transitions, 76 flow. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2024-11-28 02:46:20,355 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:46:20,356 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 37 [2024-11-28 02:46:20,357 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:46:20,856 INFO L124 PetriNetUnfolderBase]: 230/451 cut-off events. [2024-11-28 02:46:20,857 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:46:20,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 862 conditions, 451 events. 230/451 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2401 event pairs, 20 based on Foata normal form. 36/480 useless extension candidates. Maximal degree in co-relation 852. Up to 346 conditions per place. [2024-11-28 02:46:20,864 INFO L140 encePairwiseOnDemand]: 32/37 looper letters, 25 selfloop transitions, 2 changer transitions 2/41 dead transitions. [2024-11-28 02:46:20,865 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 41 transitions, 146 flow [2024-11-28 02:46:20,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:46:20,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:46:20,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 76 transitions. [2024-11-28 02:46:20,886 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6846846846846847 [2024-11-28 02:46:20,889 INFO L175 Difference]: Start difference. First operand has 40 places, 35 transitions, 76 flow. Second operand 3 states and 76 transitions. [2024-11-28 02:46:20,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 41 transitions, 146 flow [2024-11-28 02:46:20,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 41 transitions, 144 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:46:20,900 INFO L231 Difference]: Finished difference. Result has 38 places, 30 transitions, 68 flow [2024-11-28 02:46:20,903 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=68, PETRI_PLACES=38, PETRI_TRANSITIONS=30} [2024-11-28 02:46:20,908 INFO L279 CegarLoopForPetriNet]: 40 programPoint places, -2 predicate places. [2024-11-28 02:46:20,909 INFO L471 AbstractCegarLoop]: Abstraction has has 38 places, 30 transitions, 68 flow [2024-11-28 02:46:20,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2024-11-28 02:46:20,909 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:46:20,909 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:20,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:46:20,910 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 02:46:20,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:20,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1138514497, now seen corresponding path program 1 times [2024-11-28 02:46:20,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:20,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325960989] [2024-11-28 02:46:20,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:20,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:21,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:46:21,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:21,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325960989] [2024-11-28 02:46:21,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325960989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:21,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:21,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 02:46:21,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051189751] [2024-11-28 02:46:21,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:21,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:46:21,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:21,156 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:46:21,156 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:46:21,156 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 37 [2024-11-28 02:46:21,157 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 30 transitions, 68 flow. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2024-11-28 02:46:21,157 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:46:21,157 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 37 [2024-11-28 02:46:21,157 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:46:21,446 INFO L124 PetriNetUnfolderBase]: 203/439 cut-off events. [2024-11-28 02:46:21,446 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-28 02:46:21,449 INFO L83 FinitePrefix]: Finished finitePrefix Result has 829 conditions, 439 events. 203/439 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 2431 event pairs, 203 based on Foata normal form. 18/444 useless extension candidates. Maximal degree in co-relation 819. Up to 354 conditions per place. [2024-11-28 02:46:21,455 INFO L140 encePairwiseOnDemand]: 35/37 looper letters, 16 selfloop transitions, 1 changer transitions 1/29 dead transitions. [2024-11-28 02:46:21,455 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 29 transitions, 102 flow [2024-11-28 02:46:21,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:46:21,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 02:46:21,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 58 transitions. [2024-11-28 02:46:21,458 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5225225225225225 [2024-11-28 02:46:21,459 INFO L175 Difference]: Start difference. First operand has 38 places, 30 transitions, 68 flow. Second operand 3 states and 58 transitions. [2024-11-28 02:46:21,459 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 29 transitions, 102 flow [2024-11-28 02:46:21,460 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 29 transitions, 98 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 02:46:21,463 INFO L231 Difference]: Finished difference. Result has 36 places, 28 transitions, 62 flow [2024-11-28 02:46:21,463 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=62, PETRI_PLACES=36, PETRI_TRANSITIONS=28} [2024-11-28 02:46:21,465 INFO L279 CegarLoopForPetriNet]: 40 programPoint places, -4 predicate places. [2024-11-28 02:46:21,465 INFO L471 AbstractCegarLoop]: Abstraction has has 36 places, 28 transitions, 62 flow [2024-11-28 02:46:21,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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) [2024-11-28 02:46:21,466 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:46:21,466 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:21,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:46:21,466 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 02:46:21,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:21,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1138513064, now seen corresponding path program 1 times [2024-11-28 02:46:21,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:21,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040174011] [2024-11-28 02:46:21,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:21,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:22,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:46:22,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:22,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040174011] [2024-11-28 02:46:22,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040174011] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:22,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:22,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:46:22,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337468428] [2024-11-28 02:46:22,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:22,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:46:22,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:22,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:46:22,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:46:22,075 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 37 [2024-11-28 02:46:22,075 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 28 transitions, 62 flow. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2024-11-28 02:46:22,076 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:46:22,076 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 37 [2024-11-28 02:46:22,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:46:22,428 INFO L124 PetriNetUnfolderBase]: 246/508 cut-off events. [2024-11-28 02:46:22,428 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 02:46:22,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 969 conditions, 508 events. 246/508 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2470 event pairs, 38 based on Foata normal form. 28/528 useless extension candidates. Maximal degree in co-relation 963. Up to 259 conditions per place. [2024-11-28 02:46:22,437 INFO L140 encePairwiseOnDemand]: 32/37 looper letters, 35 selfloop transitions, 4 changer transitions 1/48 dead transitions. [2024-11-28 02:46:22,437 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 48 transitions, 184 flow [2024-11-28 02:46:22,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:46:22,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 02:46:22,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 86 transitions. [2024-11-28 02:46:22,439 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.581081081081081 [2024-11-28 02:46:22,439 INFO L175 Difference]: Start difference. First operand has 36 places, 28 transitions, 62 flow. Second operand 4 states and 86 transitions. [2024-11-28 02:46:22,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 48 transitions, 184 flow [2024-11-28 02:46:22,440 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 48 transitions, 183 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 02:46:22,442 INFO L231 Difference]: Finished difference. Result has 39 places, 30 transitions, 87 flow [2024-11-28 02:46:22,443 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=61, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=87, PETRI_PLACES=39, PETRI_TRANSITIONS=30} [2024-11-28 02:46:22,443 INFO L279 CegarLoopForPetriNet]: 40 programPoint places, -1 predicate places. [2024-11-28 02:46:22,444 INFO L471 AbstractCegarLoop]: Abstraction has has 39 places, 30 transitions, 87 flow [2024-11-28 02:46:22,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2024-11-28 02:46:22,444 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:46:22,444 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:46:22,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:46:22,444 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 02:46:22,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:22,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1897973871, now seen corresponding path program 1 times [2024-11-28 02:46:22,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:22,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133852793] [2024-11-28 02:46:22,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:22,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:22,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:46:22,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:22,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133852793] [2024-11-28 02:46:22,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133852793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:22,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:22,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:46:22,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066846071] [2024-11-28 02:46:22,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:22,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:46:22,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:22,954 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:46:22,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:46:22,968 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 37 [2024-11-28 02:46:22,969 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 30 transitions, 87 flow. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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) [2024-11-28 02:46:22,969 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:46:22,969 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 37 [2024-11-28 02:46:22,969 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:46:23,208 INFO L124 PetriNetUnfolderBase]: 114/240 cut-off events. [2024-11-28 02:46:23,209 INFO L125 PetriNetUnfolderBase]: For 71/71 co-relation queries the response was YES. [2024-11-28 02:46:23,211 INFO L83 FinitePrefix]: Finished finitePrefix Result has 566 conditions, 240 events. 114/240 cut-off events. For 71/71 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 825 event pairs, 26 based on Foata normal form. 18/252 useless extension candidates. Maximal degree in co-relation 557. Up to 101 conditions per place. [2024-11-28 02:46:23,213 INFO L140 encePairwiseOnDemand]: 32/37 looper letters, 29 selfloop transitions, 6 changer transitions 1/44 dead transitions. [2024-11-28 02:46:23,213 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 44 transitions, 192 flow [2024-11-28 02:46:23,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:46:23,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 02:46:23,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 93 transitions. [2024-11-28 02:46:23,217 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5027027027027027 [2024-11-28 02:46:23,217 INFO L175 Difference]: Start difference. First operand has 39 places, 30 transitions, 87 flow. Second operand 5 states and 93 transitions. [2024-11-28 02:46:23,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 44 transitions, 192 flow [2024-11-28 02:46:23,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 44 transitions, 183 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-28 02:46:23,221 INFO L231 Difference]: Finished difference. Result has 43 places, 30 transitions, 103 flow [2024-11-28 02:46:23,222 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=103, PETRI_PLACES=43, PETRI_TRANSITIONS=30} [2024-11-28 02:46:23,222 INFO L279 CegarLoopForPetriNet]: 40 programPoint places, 3 predicate places. [2024-11-28 02:46:23,223 INFO L471 AbstractCegarLoop]: Abstraction has has 43 places, 30 transitions, 103 flow [2024-11-28 02:46:23,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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) [2024-11-28 02:46:23,223 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:46:23,223 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] [2024-11-28 02:46:23,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:46:23,224 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 02:46:23,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:23,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1859928724, now seen corresponding path program 1 times [2024-11-28 02:46:23,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:23,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104197638] [2024-11-28 02:46:23,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:46:23,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:46:29,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:46:29,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:29,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104197638] [2024-11-28 02:46:29,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104197638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:29,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:29,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 02:46:29,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291703158] [2024-11-28 02:46:29,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:29,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:46:29,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:29,095 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:46:29,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:46:29,113 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 37 [2024-11-28 02:46:29,114 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 30 transitions, 103 flow. Second operand has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 9 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) [2024-11-28 02:46:29,114 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:46:29,114 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 37 [2024-11-28 02:46:29,114 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:46:30,058 INFO L124 PetriNetUnfolderBase]: 123/303 cut-off events. [2024-11-28 02:46:30,059 INFO L125 PetriNetUnfolderBase]: For 95/95 co-relation queries the response was YES. [2024-11-28 02:46:30,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 669 conditions, 303 events. 123/303 cut-off events. For 95/95 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1234 event pairs, 37 based on Foata normal form. 4/296 useless extension candidates. Maximal degree in co-relation 658. Up to 116 conditions per place. [2024-11-28 02:46:30,062 INFO L140 encePairwiseOnDemand]: 28/37 looper letters, 22 selfloop transitions, 9 changer transitions 17/60 dead transitions. [2024-11-28 02:46:30,062 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 60 transitions, 265 flow [2024-11-28 02:46:30,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:46:30,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-28 02:46:30,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 166 transitions. [2024-11-28 02:46:30,064 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4984984984984985 [2024-11-28 02:46:30,064 INFO L175 Difference]: Start difference. First operand has 43 places, 30 transitions, 103 flow. Second operand 9 states and 166 transitions. [2024-11-28 02:46:30,064 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 60 transitions, 265 flow [2024-11-28 02:46:30,066 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 60 transitions, 231 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-28 02:46:30,070 INFO L231 Difference]: Finished difference. Result has 51 places, 37 transitions, 136 flow [2024-11-28 02:46:30,071 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=136, PETRI_PLACES=51, PETRI_TRANSITIONS=37} [2024-11-28 02:46:30,071 INFO L279 CegarLoopForPetriNet]: 40 programPoint places, 11 predicate places. [2024-11-28 02:46:30,073 INFO L471 AbstractCegarLoop]: Abstraction has has 51 places, 37 transitions, 136 flow [2024-11-28 02:46:30,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 9 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) [2024-11-28 02:46:30,073 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:46:30,074 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] [2024-11-28 02:46:30,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:46:30,074 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 02:46:30,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:30,075 INFO L85 PathProgramCache]: Analyzing trace with hash -970632960, now seen corresponding path program 2 times [2024-11-28 02:46:30,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:30,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588893189] [2024-11-28 02:46:30,078 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 02:46:30,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:30,276 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 02:46:30,276 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:46:30,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:46:30,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:30,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588893189] [2024-11-28 02:46:30,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588893189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:30,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:30,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:46:30,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121635953] [2024-11-28 02:46:30,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:30,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:46:30,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:30,615 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:46:30,615 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:46:30,625 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 37 [2024-11-28 02:46:30,625 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 37 transitions, 136 flow. Second operand has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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) [2024-11-28 02:46:30,625 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:46:30,626 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 37 [2024-11-28 02:46:30,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:46:31,032 INFO L124 PetriNetUnfolderBase]: 210/485 cut-off events. [2024-11-28 02:46:31,033 INFO L125 PetriNetUnfolderBase]: For 153/153 co-relation queries the response was YES. [2024-11-28 02:46:31,034 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1194 conditions, 485 events. 210/485 cut-off events. For 153/153 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 2303 event pairs, 91 based on Foata normal form. 4/474 useless extension candidates. Maximal degree in co-relation 1181. Up to 201 conditions per place. [2024-11-28 02:46:31,036 INFO L140 encePairwiseOnDemand]: 32/37 looper letters, 20 selfloop transitions, 2 changer transitions 26/59 dead transitions. [2024-11-28 02:46:31,036 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 59 transitions, 301 flow [2024-11-28 02:46:31,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:46:31,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 02:46:31,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 99 transitions. [2024-11-28 02:46:31,038 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5351351351351351 [2024-11-28 02:46:31,038 INFO L175 Difference]: Start difference. First operand has 51 places, 37 transitions, 136 flow. Second operand 5 states and 99 transitions. [2024-11-28 02:46:31,038 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 59 transitions, 301 flow [2024-11-28 02:46:31,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 59 transitions, 289 flow, removed 3 selfloop flow, removed 3 redundant places. [2024-11-28 02:46:31,043 INFO L231 Difference]: Finished difference. Result has 53 places, 30 transitions, 103 flow [2024-11-28 02:46:31,043 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=103, PETRI_PLACES=53, PETRI_TRANSITIONS=30} [2024-11-28 02:46:31,044 INFO L279 CegarLoopForPetriNet]: 40 programPoint places, 13 predicate places. [2024-11-28 02:46:31,044 INFO L471 AbstractCegarLoop]: Abstraction has has 53 places, 30 transitions, 103 flow [2024-11-28 02:46:31,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 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) [2024-11-28 02:46:31,044 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 02:46:31,045 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] [2024-11-28 02:46:31,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:46:31,045 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P1Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 02:46:31,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:46:31,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1125913088, now seen corresponding path program 3 times [2024-11-28 02:46:31,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:46:31,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819085858] [2024-11-28 02:46:31,046 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 02:46:31,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:46:31,311 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 02:46:31,311 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 02:46:37,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:46:37,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:46:37,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819085858] [2024-11-28 02:46:37,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819085858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:46:37,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:46:37,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-28 02:46:37,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122711709] [2024-11-28 02:46:37,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:46:37,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-28 02:46:37,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:46:37,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-28 02:46:37,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-28 02:46:37,462 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 37 [2024-11-28 02:46:37,463 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 30 transitions, 103 flow. Second operand has 12 states, 12 states have (on average 14.333333333333334) internal successors, (172), 12 states have internal predecessors, (172), 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) [2024-11-28 02:46:37,464 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 02:46:37,465 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 37 [2024-11-28 02:46:37,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 02:46:38,211 INFO L124 PetriNetUnfolderBase]: 35/99 cut-off events. [2024-11-28 02:46:38,213 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-11-28 02:46:38,213 INFO L83 FinitePrefix]: Finished finitePrefix Result has 242 conditions, 99 events. 35/99 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 209 event pairs, 10 based on Foata normal form. 4/98 useless extension candidates. Maximal degree in co-relation 231. Up to 35 conditions per place. [2024-11-28 02:46:38,214 INFO L140 encePairwiseOnDemand]: 29/37 looper letters, 0 selfloop transitions, 0 changer transitions 38/38 dead transitions. [2024-11-28 02:46:38,214 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 38 transitions, 175 flow [2024-11-28 02:46:38,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:46:38,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-28 02:46:38,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 146 transitions. [2024-11-28 02:46:38,216 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.43843843843843844 [2024-11-28 02:46:38,216 INFO L175 Difference]: Start difference. First operand has 53 places, 30 transitions, 103 flow. Second operand 9 states and 146 transitions. [2024-11-28 02:46:38,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 38 transitions, 175 flow [2024-11-28 02:46:38,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 38 transitions, 155 flow, removed 4 selfloop flow, removed 8 redundant places. [2024-11-28 02:46:38,220 INFO L231 Difference]: Finished difference. Result has 46 places, 0 transitions, 0 flow [2024-11-28 02:46:38,220 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=0, PETRI_PLACES=46, PETRI_TRANSITIONS=0} [2024-11-28 02:46:38,221 INFO L279 CegarLoopForPetriNet]: 40 programPoint places, 6 predicate places. [2024-11-28 02:46:38,221 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 0 transitions, 0 flow [2024-11-28 02:46:38,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.333333333333334) internal successors, (172), 12 states have internal predecessors, (172), 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) [2024-11-28 02:46:38,228 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (5 of 6 remaining) [2024-11-28 02:46:38,229 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (4 of 6 remaining) [2024-11-28 02:46:38,231 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (3 of 6 remaining) [2024-11-28 02:46:38,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-11-28 02:46:38,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-11-28 02:46:38,232 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 6 remaining) [2024-11-28 02:46:38,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:46:38,233 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2024-11-28 02:46:38,240 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 02:46:38,241 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:46:38,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:46:38 BasicIcfg [2024-11-28 02:46:38,251 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:46:38,252 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:46:38,252 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:46:38,253 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:46:38,253 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:46:19" (3/4) ... [2024-11-28 02:46:38,256 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 02:46:38,259 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-28 02:46:38,259 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-28 02:46:38,267 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 78 nodes and edges [2024-11-28 02:46:38,268 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-28 02:46:38,269 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 02:46:38,269 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 02:46:38,372 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a70b66-07a9-4c91-87d0-c54ada25d197/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:46:38,373 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a70b66-07a9-4c91-87d0-c54ada25d197/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:46:38,373 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:46:38,376 INFO L158 Benchmark]: Toolchain (without parser) took 21476.49ms. Allocated memory was 117.4MB in the beginning and 629.1MB in the end (delta: 511.7MB). Free memory was 92.0MB in the beginning and 584.0MB in the end (delta: -492.0MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-11-28 02:46:38,376 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:46:38,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 897.53ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 67.1MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 02:46:38,377 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.45ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 63.8MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:46:38,377 INFO L158 Benchmark]: Boogie Preprocessor took 76.94ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 59.9MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:46:38,378 INFO L158 Benchmark]: RCFGBuilder took 1258.62ms. Allocated memory is still 117.4MB. Free memory was 59.9MB in the beginning and 48.9MB in the end (delta: 11.0MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2024-11-28 02:46:38,379 INFO L158 Benchmark]: TraceAbstraction took 19024.54ms. Allocated memory was 117.4MB in the beginning and 629.1MB in the end (delta: 511.7MB). Free memory was 48.3MB in the beginning and 588.2MB in the end (delta: -539.9MB). Peak memory consumption was 334.7MB. Max. memory is 16.1GB. [2024-11-28 02:46:38,380 INFO L158 Benchmark]: Witness Printer took 120.91ms. Allocated memory is still 629.1MB. Free memory was 588.2MB in the beginning and 584.0MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:46:38,382 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 897.53ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 67.1MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.45ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 63.8MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 76.94ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 59.9MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1258.62ms. Allocated memory is still 117.4MB. Free memory was 59.9MB in the beginning and 48.9MB in the end (delta: 11.0MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * TraceAbstraction took 19024.54ms. Allocated memory was 117.4MB in the beginning and 629.1MB in the end (delta: 511.7MB). Free memory was 48.3MB in the beginning and 588.2MB in the end (delta: -539.9MB). Peak memory consumption was 334.7MB. Max. memory is 16.1GB. * Witness Printer took 120.91ms. Allocated memory is still 629.1MB. Free memory was 588.2MB in the beginning and 584.0MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 824]: 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 5 procedures, 55 locations, 6 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: 18.8s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 213 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 198 mSDsluCounter, 99 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 93 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 615 IncrementalHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 6 mSDtfsCounter, 615 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred in iteration=5, InterpolantAutomatonStates: 38, 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, 1.1s SatisfiabilityAnalysisTime, 13.4s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 119 ConstructedInterpolants, 0 QuantifiedInterpolants, 990 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 02:46:38,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a70b66-07a9-4c91-87d0-c54ada25d197/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