./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi001_power.oepc_pso.oepc_rmo.oepc.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_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/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_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi001_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/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_fe377985-88ca-47c4-91bb-a30b3fd7cac6/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 67d0d28278c33bd8f728db1165a077a9d9ba1963e0d97b66e361587c8715de93 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:22:27,303 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:22:27,406 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-28 03:22:27,419 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:22:27,419 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:22:27,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:22:27,466 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:22:27,466 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:22:27,467 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:22:27,468 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:22:27,469 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:22:27,469 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:22:27,470 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:22:27,470 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:22:27,471 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:22:27,471 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:22:27,471 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:22:27,471 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:22:27,471 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:22:27,471 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:22:27,471 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 03:22:27,472 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 03:22:27,472 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 03:22:27,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:22:27,472 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:22:27,472 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:22:27,472 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:22:27,472 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:22:27,472 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:22:27,473 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:22:27,473 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:22:27,474 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:22:27,474 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:22:27,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:22:27,474 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:22:27,474 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:22:27,474 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:22:27,474 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:22:27,474 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:22:27,475 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:22:27,475 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:22:27,475 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:22:27,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:22:27,475 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:22:27,476 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:22:27,476 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:22:27,476 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:22:27,476 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_fe377985-88ca-47c4-91bb-a30b3fd7cac6/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 -> 67d0d28278c33bd8f728db1165a077a9d9ba1963e0d97b66e361587c8715de93 [2024-11-28 03:22:27,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:22:27,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:22:27,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:22:27,817 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:22:27,818 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:22:27,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-wmm/rfi001_power.oepc_pso.oepc_rmo.oepc.i [2024-11-28 03:22:31,501 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/data/238334187/34b5f7d15b514307bc8710dfb19530e5/FLAGea700de63 [2024-11-28 03:22:31,999 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:22:31,999 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/sv-benchmarks/c/pthread-wmm/rfi001_power.oepc_pso.oepc_rmo.oepc.i [2024-11-28 03:22:32,029 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/data/238334187/34b5f7d15b514307bc8710dfb19530e5/FLAGea700de63 [2024-11-28 03:22:32,053 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/data/238334187/34b5f7d15b514307bc8710dfb19530e5 [2024-11-28 03:22:32,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:22:32,058 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:22:32,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:22:32,060 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:22:32,065 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:22:32,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:22:32" (1/1) ... [2024-11-28 03:22:32,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@103fd445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:32, skipping insertion in model container [2024-11-28 03:22:32,070 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:22:32" (1/1) ... [2024-11-28 03:22:32,127 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:22:32,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:22:32,630 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:22:32,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:22:32,796 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:22:32,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:32 WrapperNode [2024-11-28 03:22:32,797 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:22:32,798 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:22:32,798 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:22:32,798 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:22:32,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:32" (1/1) ... [2024-11-28 03:22:32,830 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:32" (1/1) ... [2024-11-28 03:22:32,858 INFO L138 Inliner]: procedures = 174, calls = 38, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 109 [2024-11-28 03:22:32,858 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:22:32,859 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:22:32,859 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:22:32,859 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:22:32,871 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:32" (1/1) ... [2024-11-28 03:22:32,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:32" (1/1) ... [2024-11-28 03:22:32,874 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:32" (1/1) ... [2024-11-28 03:22:32,896 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 03:22:32,896 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:32" (1/1) ... [2024-11-28 03:22:32,896 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:32" (1/1) ... [2024-11-28 03:22:32,911 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:32" (1/1) ... [2024-11-28 03:22:32,917 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:32" (1/1) ... [2024-11-28 03:22:32,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:32" (1/1) ... [2024-11-28 03:22:32,924 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:32" (1/1) ... [2024-11-28 03:22:32,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:32" (1/1) ... [2024-11-28 03:22:32,935 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:22:32,936 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:22:32,936 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:22:32,936 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:22:32,938 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:32" (1/1) ... [2024-11-28 03:22:32,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:22:32,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:22:32,988 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:22:32,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:22:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 03:22:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:22:33,030 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-28 03:22:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-28 03:22:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-28 03:22:33,031 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-28 03:22:33,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:22:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 03:22:33,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:22:33,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:22:33,034 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 03:22:33,205 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:22:33,208 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:22:33,585 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:22:33,585 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:22:33,908 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:22:33,909 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:22:33,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:22:33 BoogieIcfgContainer [2024-11-28 03:22:33,910 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:22:33,914 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:22:33,914 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:22:33,922 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:22:33,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:22:32" (1/3) ... [2024-11-28 03:22:33,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49db67d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:22:33, skipping insertion in model container [2024-11-28 03:22:33,923 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:32" (2/3) ... [2024-11-28 03:22:33,923 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49db67d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:22:33, skipping insertion in model container [2024-11-28 03:22:33,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:22:33" (3/3) ... [2024-11-28 03:22:33,925 INFO L128 eAbstractionObserver]: Analyzing ICFG rfi001_power.oepc_pso.oepc_rmo.oepc.i [2024-11-28 03:22:33,945 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:22:33,947 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rfi001_power.oepc_pso.oepc_rmo.oepc.i that has 3 procedures, 36 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-11-28 03:22:33,948 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:22:34,038 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 03:22:34,092 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 37 transitions, 82 flow [2024-11-28 03:22:34,149 INFO L124 PetriNetUnfolderBase]: 2/35 cut-off events. [2024-11-28 03:22:34,152 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:22:34,159 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 4. Compared 58 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 03:22:34,159 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 37 transitions, 82 flow [2024-11-28 03:22:34,165 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 40 places, 35 transitions, 76 flow [2024-11-28 03:22:34,178 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:22:34,198 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;@5ac993ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:22:34,199 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-28 03:22:34,207 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:22:34,207 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-11-28 03:22:34,207 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:22:34,207 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:22:34,208 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-28 03:22:34,209 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 03:22:34,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:34,217 INFO L85 PathProgramCache]: Analyzing trace with hash 10852339, now seen corresponding path program 1 times [2024-11-28 03:22:34,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:34,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954003788] [2024-11-28 03:22:34,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:34,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:34,915 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 03:22:34,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:34,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954003788] [2024-11-28 03:22:34,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954003788] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:34,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:34,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 03:22:34,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609454808] [2024-11-28 03:22:34,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:34,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:22:34,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:22:34,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:22:34,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:22:34,961 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 37 [2024-11-28 03:22:34,964 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 35 transitions, 76 flow. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 03:22:34,964 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:22:34,964 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 37 [2024-11-28 03:22:34,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:22:35,360 INFO L124 PetriNetUnfolderBase]: 183/415 cut-off events. [2024-11-28 03:22:35,360 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 03:22:35,362 INFO L83 FinitePrefix]: Finished finitePrefix Result has 749 conditions, 415 events. 183/415 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2225 event pairs, 21 based on Foata normal form. 32/439 useless extension candidates. Maximal degree in co-relation 739. Up to 265 conditions per place. [2024-11-28 03:22:35,373 INFO L140 encePairwiseOnDemand]: 32/37 looper letters, 25 selfloop transitions, 2 changer transitions 2/43 dead transitions. [2024-11-28 03:22:35,373 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 43 transitions, 153 flow [2024-11-28 03:22:35,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:22:35,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:22:35,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 82 transitions. [2024-11-28 03:22:35,391 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7387387387387387 [2024-11-28 03:22:35,394 INFO L175 Difference]: Start difference. First operand has 40 places, 35 transitions, 76 flow. Second operand 3 states and 82 transitions. [2024-11-28 03:22:35,395 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 43 transitions, 153 flow [2024-11-28 03:22:35,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 43 transitions, 150 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:22:35,407 INFO L231 Difference]: Finished difference. Result has 38 places, 30 transitions, 68 flow [2024-11-28 03:22:35,411 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 03:22:35,417 INFO L279 CegarLoopForPetriNet]: 40 programPoint places, -2 predicate places. [2024-11-28 03:22:35,417 INFO L471 AbstractCegarLoop]: Abstraction has has 38 places, 30 transitions, 68 flow [2024-11-28 03:22:35,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 03:22:35,418 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:22:35,418 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:22:35,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:22:35,418 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 03:22:35,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:35,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1742249253, now seen corresponding path program 1 times [2024-11-28 03:22:35,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:35,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130269852] [2024-11-28 03:22:35,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:35,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:35,608 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 03:22:35,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:35,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130269852] [2024-11-28 03:22:35,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130269852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:35,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:35,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 03:22:35,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966015212] [2024-11-28 03:22:35,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:35,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:22:35,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:22:35,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:22:35,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:22:35,611 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 37 [2024-11-28 03:22:35,612 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 30 transitions, 68 flow. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 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 03:22:35,612 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:22:35,612 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 37 [2024-11-28 03:22:35,612 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:22:35,796 INFO L124 PetriNetUnfolderBase]: 159/379 cut-off events. [2024-11-28 03:22:35,796 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2024-11-28 03:22:35,799 INFO L83 FinitePrefix]: Finished finitePrefix Result has 703 conditions, 379 events. 159/379 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2039 event pairs, 159 based on Foata normal form. 16/372 useless extension candidates. Maximal degree in co-relation 693. Up to 280 conditions per place. [2024-11-28 03:22:35,803 INFO L140 encePairwiseOnDemand]: 35/37 looper letters, 14 selfloop transitions, 1 changer transitions 1/29 dead transitions. [2024-11-28 03:22:35,804 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 29 transitions, 98 flow [2024-11-28 03:22:35,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:22:35,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:22:35,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 62 transitions. [2024-11-28 03:22:35,807 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5585585585585585 [2024-11-28 03:22:35,807 INFO L175 Difference]: Start difference. First operand has 38 places, 30 transitions, 68 flow. Second operand 3 states and 62 transitions. [2024-11-28 03:22:35,807 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 29 transitions, 98 flow [2024-11-28 03:22:35,808 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 29 transitions, 94 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:22:35,809 INFO L231 Difference]: Finished difference. Result has 36 places, 28 transitions, 62 flow [2024-11-28 03:22:35,809 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 03:22:35,812 INFO L279 CegarLoopForPetriNet]: 40 programPoint places, -4 predicate places. [2024-11-28 03:22:35,812 INFO L471 AbstractCegarLoop]: Abstraction has has 36 places, 28 transitions, 62 flow [2024-11-28 03:22:35,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 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 03:22:35,813 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:22:35,813 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:22:35,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:22:35,813 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 03:22:35,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:35,814 INFO L85 PathProgramCache]: Analyzing trace with hash 1742250718, now seen corresponding path program 1 times [2024-11-28 03:22:35,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:35,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18859967] [2024-11-28 03:22:35,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:35,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:36,282 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 03:22:36,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:36,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18859967] [2024-11-28 03:22:36,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18859967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:36,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:36,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:22:36,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147391823] [2024-11-28 03:22:36,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:36,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:22:36,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:22:36,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:22:36,285 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:22:36,294 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 37 [2024-11-28 03:22:36,294 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 28 transitions, 62 flow. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 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 03:22:36,294 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:22:36,294 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 37 [2024-11-28 03:22:36,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:22:36,820 INFO L124 PetriNetUnfolderBase]: 284/568 cut-off events. [2024-11-28 03:22:36,821 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:22:36,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1079 conditions, 568 events. 284/568 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 3066 event pairs, 51 based on Foata normal form. 0/541 useless extension candidates. Maximal degree in co-relation 1073. Up to 281 conditions per place. [2024-11-28 03:22:36,829 INFO L140 encePairwiseOnDemand]: 31/37 looper letters, 21 selfloop transitions, 2 changer transitions 32/65 dead transitions. [2024-11-28 03:22:36,829 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 65 transitions, 246 flow [2024-11-28 03:22:36,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 03:22:36,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2024-11-28 03:22:36,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 161 transitions. [2024-11-28 03:22:36,835 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.543918918918919 [2024-11-28 03:22:36,835 INFO L175 Difference]: Start difference. First operand has 36 places, 28 transitions, 62 flow. Second operand 8 states and 161 transitions. [2024-11-28 03:22:36,835 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 65 transitions, 246 flow [2024-11-28 03:22:36,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 65 transitions, 245 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:22:36,838 INFO L231 Difference]: Finished difference. Result has 46 places, 27 transitions, 75 flow [2024-11-28 03:22:36,840 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=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=75, PETRI_PLACES=46, PETRI_TRANSITIONS=27} [2024-11-28 03:22:36,842 INFO L279 CegarLoopForPetriNet]: 40 programPoint places, 6 predicate places. [2024-11-28 03:22:36,843 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 27 transitions, 75 flow [2024-11-28 03:22:36,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 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 03:22:36,843 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:22:36,843 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:22:36,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:22:36,844 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 03:22:36,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:36,846 INFO L85 PathProgramCache]: Analyzing trace with hash -473348070, now seen corresponding path program 1 times [2024-11-28 03:22:36,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:36,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932156973] [2024-11-28 03:22:36,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:36,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:37,210 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 03:22:37,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:37,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932156973] [2024-11-28 03:22:37,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932156973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:37,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:37,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:22:37,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555278580] [2024-11-28 03:22:37,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:37,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:22:37,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:22:37,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:22:37,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:22:37,219 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 37 [2024-11-28 03:22:37,220 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 27 transitions, 75 flow. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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 03:22:37,220 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:22:37,220 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 37 [2024-11-28 03:22:37,220 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:22:37,490 INFO L124 PetriNetUnfolderBase]: 198/426 cut-off events. [2024-11-28 03:22:37,490 INFO L125 PetriNetUnfolderBase]: For 64/64 co-relation queries the response was YES. [2024-11-28 03:22:37,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 898 conditions, 426 events. 198/426 cut-off events. For 64/64 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1972 event pairs, 38 based on Foata normal form. 25/436 useless extension candidates. Maximal degree in co-relation 886. Up to 191 conditions per place. [2024-11-28 03:22:37,496 INFO L140 encePairwiseOnDemand]: 32/37 looper letters, 31 selfloop transitions, 4 changer transitions 1/45 dead transitions. [2024-11-28 03:22:37,496 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 45 transitions, 185 flow [2024-11-28 03:22:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:22:37,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 03:22:37,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 90 transitions. [2024-11-28 03:22:37,499 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6081081081081081 [2024-11-28 03:22:37,500 INFO L175 Difference]: Start difference. First operand has 46 places, 27 transitions, 75 flow. Second operand 4 states and 90 transitions. [2024-11-28 03:22:37,500 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 45 transitions, 185 flow [2024-11-28 03:22:37,506 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 45 transitions, 173 flow, removed 4 selfloop flow, removed 6 redundant places. [2024-11-28 03:22:37,509 INFO L231 Difference]: Finished difference. Result has 39 places, 29 transitions, 89 flow [2024-11-28 03:22:37,509 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=63, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=89, PETRI_PLACES=39, PETRI_TRANSITIONS=29} [2024-11-28 03:22:37,512 INFO L279 CegarLoopForPetriNet]: 40 programPoint places, -1 predicate places. [2024-11-28 03:22:37,512 INFO L471 AbstractCegarLoop]: Abstraction has has 39 places, 29 transitions, 89 flow [2024-11-28 03:22:37,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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 03:22:37,512 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:22:37,512 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] [2024-11-28 03:22:37,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:22:37,513 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 03:22:37,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:37,514 INFO L85 PathProgramCache]: Analyzing trace with hash -311855967, now seen corresponding path program 1 times [2024-11-28 03:22:37,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:37,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085419796] [2024-11-28 03:22:37,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:37,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:38,122 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 03:22:38,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:38,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085419796] [2024-11-28 03:22:38,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085419796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:38,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:38,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:22:38,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358798521] [2024-11-28 03:22:38,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:38,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:22:38,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:22:38,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:22:38,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:22:38,146 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 37 [2024-11-28 03:22:38,147 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 29 transitions, 89 flow. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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 03:22:38,147 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:22:38,147 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 37 [2024-11-28 03:22:38,147 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:22:38,367 INFO L124 PetriNetUnfolderBase]: 102/225 cut-off events. [2024-11-28 03:22:38,368 INFO L125 PetriNetUnfolderBase]: For 63/63 co-relation queries the response was YES. [2024-11-28 03:22:38,369 INFO L83 FinitePrefix]: Finished finitePrefix Result has 531 conditions, 225 events. 102/225 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 749 event pairs, 26 based on Foata normal form. 16/231 useless extension candidates. Maximal degree in co-relation 521. Up to 86 conditions per place. [2024-11-28 03:22:38,370 INFO L140 encePairwiseOnDemand]: 32/37 looper letters, 26 selfloop transitions, 6 changer transitions 1/42 dead transitions. [2024-11-28 03:22:38,371 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 42 transitions, 186 flow [2024-11-28 03:22:38,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:22:38,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 03:22:38,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 100 transitions. [2024-11-28 03:22:38,372 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5405405405405406 [2024-11-28 03:22:38,373 INFO L175 Difference]: Start difference. First operand has 39 places, 29 transitions, 89 flow. Second operand 5 states and 100 transitions. [2024-11-28 03:22:38,374 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 42 transitions, 186 flow [2024-11-28 03:22:38,375 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 42 transitions, 173 flow, removed 2 selfloop flow, removed 3 redundant places. [2024-11-28 03:22:38,378 INFO L231 Difference]: Finished difference. Result has 42 places, 29 transitions, 101 flow [2024-11-28 03:22:38,378 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=101, PETRI_PLACES=42, PETRI_TRANSITIONS=29} [2024-11-28 03:22:38,379 INFO L279 CegarLoopForPetriNet]: 40 programPoint places, 2 predicate places. [2024-11-28 03:22:38,380 INFO L471 AbstractCegarLoop]: Abstraction has has 42 places, 29 transitions, 101 flow [2024-11-28 03:22:38,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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 03:22:38,382 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:22:38,382 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 03:22:38,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:22:38,382 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 03:22:38,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:38,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1875798284, now seen corresponding path program 1 times [2024-11-28 03:22:38,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:38,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646210286] [2024-11-28 03:22:38,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:38,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:39,912 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 03:22:39,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:39,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646210286] [2024-11-28 03:22:39,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646210286] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:39,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:39,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 03:22:39,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079211593] [2024-11-28 03:22:39,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:39,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:22:39,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:22:39,916 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:22:39,916 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:22:39,931 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 37 [2024-11-28 03:22:39,931 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 29 transitions, 101 flow. Second operand has 8 states, 8 states have (on average 15.75) internal successors, (126), 8 states have internal predecessors, (126), 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 03:22:39,931 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:22:39,931 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 37 [2024-11-28 03:22:39,932 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:22:40,332 INFO L124 PetriNetUnfolderBase]: 91/224 cut-off events. [2024-11-28 03:22:40,332 INFO L125 PetriNetUnfolderBase]: For 100/100 co-relation queries the response was YES. [2024-11-28 03:22:40,333 INFO L83 FinitePrefix]: Finished finitePrefix Result has 529 conditions, 224 events. 91/224 cut-off events. For 100/100 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 776 event pairs, 32 based on Foata normal form. 4/221 useless extension candidates. Maximal degree in co-relation 518. Up to 94 conditions per place. [2024-11-28 03:22:40,334 INFO L140 encePairwiseOnDemand]: 29/37 looper letters, 18 selfloop transitions, 4 changer transitions 20/55 dead transitions. [2024-11-28 03:22:40,334 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 55 transitions, 247 flow [2024-11-28 03:22:40,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:22:40,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-11-28 03:22:40,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 169 transitions. [2024-11-28 03:22:40,336 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5075075075075075 [2024-11-28 03:22:40,336 INFO L175 Difference]: Start difference. First operand has 42 places, 29 transitions, 101 flow. Second operand 9 states and 169 transitions. [2024-11-28 03:22:40,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 55 transitions, 247 flow [2024-11-28 03:22:40,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 55 transitions, 213 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-28 03:22:40,339 INFO L231 Difference]: Finished difference. Result has 50 places, 31 transitions, 102 flow [2024-11-28 03:22:40,339 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=73, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=102, PETRI_PLACES=50, PETRI_TRANSITIONS=31} [2024-11-28 03:22:40,340 INFO L279 CegarLoopForPetriNet]: 40 programPoint places, 10 predicate places. [2024-11-28 03:22:40,340 INFO L471 AbstractCegarLoop]: Abstraction has has 50 places, 31 transitions, 102 flow [2024-11-28 03:22:40,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.75) internal successors, (126), 8 states have internal predecessors, (126), 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 03:22:40,341 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:22:40,341 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 03:22:40,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:22:40,341 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 03:22:40,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:40,342 INFO L85 PathProgramCache]: Analyzing trace with hash 576556860, now seen corresponding path program 2 times [2024-11-28 03:22:40,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:40,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220923781] [2024-11-28 03:22:40,342 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:22:40,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:40,383 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:22:40,383 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:22:40,802 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 03:22:40,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:22:40,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220923781] [2024-11-28 03:22:40,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220923781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:40,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:40,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:22:40,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263861713] [2024-11-28 03:22:40,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:40,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:22:40,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:22:40,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:22:40,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:22:40,821 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 37 [2024-11-28 03:22:40,821 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 31 transitions, 102 flow. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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 03:22:40,821 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:22:40,821 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 37 [2024-11-28 03:22:40,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:22:41,092 INFO L124 PetriNetUnfolderBase]: 114/274 cut-off events. [2024-11-28 03:22:41,092 INFO L125 PetriNetUnfolderBase]: For 47/47 co-relation queries the response was YES. [2024-11-28 03:22:41,093 INFO L83 FinitePrefix]: Finished finitePrefix Result has 633 conditions, 274 events. 114/274 cut-off events. For 47/47 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1030 event pairs, 50 based on Foata normal form. 4/271 useless extension candidates. Maximal degree in co-relation 619. Up to 129 conditions per place. [2024-11-28 03:22:41,094 INFO L140 encePairwiseOnDemand]: 29/37 looper letters, 19 selfloop transitions, 5 changer transitions 14/48 dead transitions. [2024-11-28 03:22:41,094 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 48 transitions, 227 flow [2024-11-28 03:22:41,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:22:41,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 03:22:41,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 92 transitions. [2024-11-28 03:22:41,096 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4972972972972973 [2024-11-28 03:22:41,096 INFO L175 Difference]: Start difference. First operand has 50 places, 31 transitions, 102 flow. Second operand 5 states and 92 transitions. [2024-11-28 03:22:41,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 48 transitions, 227 flow [2024-11-28 03:22:41,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 48 transitions, 209 flow, removed 7 selfloop flow, removed 5 redundant places. [2024-11-28 03:22:41,098 INFO L231 Difference]: Finished difference. Result has 48 places, 32 transitions, 123 flow [2024-11-28 03:22:41,098 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=91, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=123, PETRI_PLACES=48, PETRI_TRANSITIONS=32} [2024-11-28 03:22:41,099 INFO L279 CegarLoopForPetriNet]: 40 programPoint places, 8 predicate places. [2024-11-28 03:22:41,099 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 32 transitions, 123 flow [2024-11-28 03:22:41,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 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 03:22:41,100 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:22:41,100 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 03:22:41,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:22:41,100 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 03:22:41,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:41,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1804495980, now seen corresponding path program 3 times [2024-11-28 03:22:41,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:22:41,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334043174] [2024-11-28 03:22:41,101 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:22:41,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:22:41,240 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 03:22:41,240 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-28 03:22:41,240 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:22:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:22:41,431 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:22:41,431 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:22:41,433 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (5 of 6 remaining) [2024-11-28 03:22:41,435 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (4 of 6 remaining) [2024-11-28 03:22:41,435 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (3 of 6 remaining) [2024-11-28 03:22:41,435 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-11-28 03:22:41,435 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-11-28 03:22:41,435 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 6 remaining) [2024-11-28 03:22:41,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:22:41,436 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1] [2024-11-28 03:22:41,552 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 03:22:41,552 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:22:41,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:22:41 BasicIcfg [2024-11-28 03:22:41,563 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:22:41,564 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:22:41,564 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:22:41,566 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:22:41,567 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:22:33" (3/4) ... [2024-11-28 03:22:41,570 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:22:41,571 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:22:41,572 INFO L158 Benchmark]: Toolchain (without parser) took 9514.06ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 117.8MB in the beginning and 184.4MB in the end (delta: -66.6MB). Peak memory consumption was 217.8MB. Max. memory is 16.1GB. [2024-11-28 03:22:41,573 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:22:41,573 INFO L158 Benchmark]: CACSL2BoogieTranslator took 737.55ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 95.0MB in the end (delta: 22.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:22:41,574 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.19ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 92.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:22:41,574 INFO L158 Benchmark]: Boogie Preprocessor took 76.09ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 90.3MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:22:41,574 INFO L158 Benchmark]: RCFGBuilder took 975.27ms. Allocated memory is still 142.6MB. Free memory was 90.0MB in the beginning and 98.8MB in the end (delta: -8.8MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2024-11-28 03:22:41,576 INFO L158 Benchmark]: TraceAbstraction took 7649.67ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 98.3MB in the beginning and 184.5MB in the end (delta: -86.2MB). Peak memory consumption was 196.0MB. Max. memory is 16.1GB. [2024-11-28 03:22:41,577 INFO L158 Benchmark]: Witness Printer took 6.86ms. Allocated memory is still 427.8MB. Free memory was 184.5MB in the beginning and 184.4MB in the end (delta: 54.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:22:41,578 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 737.55ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 95.0MB in the end (delta: 22.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.19ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 92.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 76.09ms. Allocated memory is still 142.6MB. Free memory was 92.9MB in the beginning and 90.3MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 975.27ms. Allocated memory is still 142.6MB. Free memory was 90.0MB in the beginning and 98.8MB in the end (delta: -8.8MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. * TraceAbstraction took 7649.67ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 98.3MB in the beginning and 184.5MB in the end (delta: -86.2MB). Peak memory consumption was 196.0MB. Max. memory is 16.1GB. * Witness Printer took 6.86ms. Allocated memory is still 427.8MB. Free memory was 184.5MB in the beginning and 184.4MB in the end (delta: 54.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 17. Possible FailurePath: [L708] 0 int __unbuffered_cnt = 0; [L710] 0 int __unbuffered_p1_EAX = 0; [L712] 0 int __unbuffered_p1_EBX = 0; [L713] 0 _Bool main$tmp_guard0; [L714] 0 _Bool main$tmp_guard1; [L716] 0 int x = 0; [L717] 0 _Bool x$flush_delayed; [L718] 0 int x$mem_tmp; [L719] 0 _Bool x$r_buff0_thd0; [L720] 0 _Bool x$r_buff0_thd1; [L721] 0 _Bool x$r_buff0_thd2; [L722] 0 _Bool x$r_buff1_thd0; [L723] 0 _Bool x$r_buff1_thd1; [L724] 0 _Bool x$r_buff1_thd2; [L725] 0 _Bool x$read_delayed; [L726] 0 int *x$read_delayed_var; [L727] 0 int x$w_buff0; [L728] 0 _Bool x$w_buff0_used; [L729] 0 int x$w_buff1; [L730] 0 _Bool x$w_buff1_used; [L732] 0 int y = 0; [L734] 0 int z = 0; [L735] 0 _Bool weak$$choice0; [L736] 0 _Bool weak$$choice2; [L815] 0 pthread_t t1601; [L816] FCALL, FORK 0 pthread_create(&t1601, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1601=-2, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0, z=0] [L740] 1 x$w_buff1 = x$w_buff0 [L741] 1 x$w_buff0 = 1 [L742] 1 x$w_buff1_used = x$w_buff0_used [L743] 1 x$w_buff0_used = (_Bool)1 [L744] CALL 1 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L744] RET 1 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L745] 1 x$r_buff1_thd0 = x$r_buff0_thd0 [L746] 1 x$r_buff1_thd1 = x$r_buff0_thd1 [L747] 1 x$r_buff1_thd2 = x$r_buff0_thd2 [L748] 1 x$r_buff0_thd1 = (_Bool)1 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0, z=0] [L817] 0 pthread_t t1602; [L818] FCALL, FORK 0 pthread_create(&t1602, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1601=-2, t1602=-1, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0, z=0] [L751] 1 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=1, z=0] [L768] 2 y = 2 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=2, z=0] [L771] 2 z = 1 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=2, z=1] [L774] 2 __unbuffered_p1_EAX = z VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=2, z=1] [L777] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L778] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L779] 2 x$flush_delayed = weak$$choice2 [L780] 2 x$mem_tmp = x [L781] 2 x = !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L782] 2 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L783] 2 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L784] 2 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L785] 2 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L786] 2 x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L787] 2 x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L788] 2 __unbuffered_p1_EBX = x [L789] 2 x = x$flush_delayed ? x$mem_tmp : x [L790] 2 x$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=2, z=1] [L793] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L794] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L795] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L796] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L797] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=2, z=1] [L754] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L755] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L756] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L757] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L758] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2, z=1] [L800] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2, z=1] [L761] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2, z=1] [L820] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1601=-2, t1602=-1, weak$$choice0=1, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2, z=1] [L822] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L822] RET 0 assume_abort_if_not(main$tmp_guard0) [L824] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L825] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L826] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L827] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L828] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1601=-2, t1602=-1, weak$$choice0=1, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2, z=1] [L831] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1601=-2, t1602=-1, weak$$choice0=1, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2, z=1] [L833] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2, z=1] [L17] 0 __assert_fail ("0", "rfi001_power.oepc_pso.oepc_rmo.oepc.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2, z=1] - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 813]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 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: 7.4s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 166 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 154 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 33 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 524 IncrementalHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 6 mSDtfsCounter, 524 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred in iteration=7, InterpolantAutomatonStates: 37, 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, 0.6s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 142 NumberOfCodeBlocks, 142 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 573 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 03:22:41,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/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_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi001_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/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 67d0d28278c33bd8f728db1165a077a9d9ba1963e0d97b66e361587c8715de93 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:22:44,865 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:22:45,009 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2024-11-28 03:22:45,023 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:22:45,023 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:22:45,078 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:22:45,079 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:22:45,079 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:22:45,080 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:22:45,080 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:22:45,081 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:22:45,081 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:22:45,082 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:22:45,082 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:22:45,082 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:22:45,082 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:22:45,082 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:22:45,082 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:22:45,082 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:22:45,083 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:22:45,083 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 03:22:45,083 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 03:22:45,083 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 03:22:45,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:22:45,083 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:22:45,083 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:22:45,083 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:22:45,083 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:22:45,084 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:22:45,084 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:22:45,084 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:22:45,084 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:22:45,084 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:22:45,084 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:22:45,084 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:22:45,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:22:45,086 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:22:45,086 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:22:45,086 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:22:45,087 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:22:45,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:22:45,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:22:45,087 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:22:45,087 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:22:45,088 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:22:45,088 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:22:45,088 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:22:45,088 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:22:45,088 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:22:45,088 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_fe377985-88ca-47c4-91bb-a30b3fd7cac6/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 -> 67d0d28278c33bd8f728db1165a077a9d9ba1963e0d97b66e361587c8715de93 [2024-11-28 03:22:45,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:22:45,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:22:45,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:22:45,560 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:22:45,564 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:22:45,565 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/pthread-wmm/rfi001_power.oepc_pso.oepc_rmo.oepc.i [2024-11-28 03:22:49,126 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/data/271324a75/173deaa660354f2ebe0dee15cd8c5e9b/FLAG98af37aff [2024-11-28 03:22:49,571 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:22:49,572 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/sv-benchmarks/c/pthread-wmm/rfi001_power.oepc_pso.oepc_rmo.oepc.i [2024-11-28 03:22:49,590 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/data/271324a75/173deaa660354f2ebe0dee15cd8c5e9b/FLAG98af37aff [2024-11-28 03:22:49,615 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/data/271324a75/173deaa660354f2ebe0dee15cd8c5e9b [2024-11-28 03:22:49,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:22:49,620 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:22:49,623 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:22:49,623 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:22:49,628 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:22:49,629 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:22:49" (1/1) ... [2024-11-28 03:22:49,630 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@341ec22e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:49, skipping insertion in model container [2024-11-28 03:22:49,631 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:22:49" (1/1) ... [2024-11-28 03:22:49,697 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:22:50,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:22:50,248 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:22:50,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:22:50,407 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:22:50,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:50 WrapperNode [2024-11-28 03:22:50,409 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:22:50,410 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:22:50,410 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:22:50,410 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:22:50,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:50" (1/1) ... [2024-11-28 03:22:50,452 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:50" (1/1) ... [2024-11-28 03:22:50,499 INFO L138 Inliner]: procedures = 175, calls = 38, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 110 [2024-11-28 03:22:50,499 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:22:50,500 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:22:50,500 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:22:50,500 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:22:50,513 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:50" (1/1) ... [2024-11-28 03:22:50,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:50" (1/1) ... [2024-11-28 03:22:50,518 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:50" (1/1) ... [2024-11-28 03:22:50,553 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 03:22:50,553 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:50" (1/1) ... [2024-11-28 03:22:50,554 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:50" (1/1) ... [2024-11-28 03:22:50,569 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:50" (1/1) ... [2024-11-28 03:22:50,573 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:50" (1/1) ... [2024-11-28 03:22:50,576 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:50" (1/1) ... [2024-11-28 03:22:50,580 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:50" (1/1) ... [2024-11-28 03:22:50,586 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:50" (1/1) ... [2024-11-28 03:22:50,590 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:22:50,591 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:22:50,591 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:22:50,591 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:22:50,593 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:50" (1/1) ... [2024-11-28 03:22:50,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:22:50,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:22:50,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:22:50,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:22:50,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 03:22:50,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:22:50,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:22:50,707 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-28 03:22:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-28 03:22:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-28 03:22:50,708 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-28 03:22:50,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 03:22:50,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:22:50,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:22:50,710 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 03:22:50,917 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:22:50,918 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:22:51,359 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:22:51,362 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:22:51,758 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:22:51,760 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:22:51,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:22:51 BoogieIcfgContainer [2024-11-28 03:22:51,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:22:51,765 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:22:51,766 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:22:51,772 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:22:51,772 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:22:49" (1/3) ... [2024-11-28 03:22:51,773 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f197c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:22:51, skipping insertion in model container [2024-11-28 03:22:51,773 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:22:50" (2/3) ... [2024-11-28 03:22:51,774 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f197c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:22:51, skipping insertion in model container [2024-11-28 03:22:51,774 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:22:51" (3/3) ... [2024-11-28 03:22:51,775 INFO L128 eAbstractionObserver]: Analyzing ICFG rfi001_power.oepc_pso.oepc_rmo.oepc.i [2024-11-28 03:22:51,795 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:22:51,797 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rfi001_power.oepc_pso.oepc_rmo.oepc.i that has 3 procedures, 36 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2024-11-28 03:22:51,797 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:22:51,897 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-28 03:22:51,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 42 places, 37 transitions, 82 flow [2024-11-28 03:22:51,996 INFO L124 PetriNetUnfolderBase]: 2/35 cut-off events. [2024-11-28 03:22:51,999 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:22:52,005 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 4. Compared 58 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 03:22:52,006 INFO L82 GeneralOperation]: Start removeDead. Operand has 42 places, 37 transitions, 82 flow [2024-11-28 03:22:52,010 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 40 places, 35 transitions, 76 flow [2024-11-28 03:22:52,026 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:22:52,042 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;@1318106b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:22:52,042 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-28 03:22:52,050 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:22:52,050 INFO L124 PetriNetUnfolderBase]: 0/5 cut-off events. [2024-11-28 03:22:52,050 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:22:52,050 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:22:52,051 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2024-11-28 03:22:52,052 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 03:22:52,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:52,059 INFO L85 PathProgramCache]: Analyzing trace with hash 10913907, now seen corresponding path program 1 times [2024-11-28 03:22:52,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:22:52,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1536868860] [2024-11-28 03:22:52,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:52,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:22:52,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:22:52,081 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:22:52,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:22:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:52,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 03:22:52,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:22:52,273 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 03:22:52,273 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:22:52,274 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:22:52,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536868860] [2024-11-28 03:22:52,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536868860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:52,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:52,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 03:22:52,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615947307] [2024-11-28 03:22:52,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:52,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:22:52,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:22:52,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:22:52,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:22:52,328 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 37 [2024-11-28 03:22:52,331 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 35 transitions, 76 flow. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 03:22:52,331 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:22:52,332 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 37 [2024-11-28 03:22:52,333 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:22:52,729 INFO L124 PetriNetUnfolderBase]: 183/415 cut-off events. [2024-11-28 03:22:52,731 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 03:22:52,734 INFO L83 FinitePrefix]: Finished finitePrefix Result has 749 conditions, 415 events. 183/415 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 2225 event pairs, 21 based on Foata normal form. 32/439 useless extension candidates. Maximal degree in co-relation 739. Up to 265 conditions per place. [2024-11-28 03:22:52,740 INFO L140 encePairwiseOnDemand]: 32/37 looper letters, 25 selfloop transitions, 2 changer transitions 2/43 dead transitions. [2024-11-28 03:22:52,740 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 43 transitions, 153 flow [2024-11-28 03:22:52,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:22:52,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:22:52,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 82 transitions. [2024-11-28 03:22:52,757 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7387387387387387 [2024-11-28 03:22:52,760 INFO L175 Difference]: Start difference. First operand has 40 places, 35 transitions, 76 flow. Second operand 3 states and 82 transitions. [2024-11-28 03:22:52,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 43 transitions, 153 flow [2024-11-28 03:22:52,770 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 43 transitions, 150 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:22:52,773 INFO L231 Difference]: Finished difference. Result has 38 places, 30 transitions, 68 flow [2024-11-28 03:22:52,777 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 03:22:52,783 INFO L279 CegarLoopForPetriNet]: 40 programPoint places, -2 predicate places. [2024-11-28 03:22:52,783 INFO L471 AbstractCegarLoop]: Abstraction has has 38 places, 30 transitions, 68 flow [2024-11-28 03:22:52,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 03:22:52,784 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:22:52,784 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:22:52,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:22:52,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:22:52,989 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 03:22:52,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:52,990 INFO L85 PathProgramCache]: Analyzing trace with hash -868435033, now seen corresponding path program 1 times [2024-11-28 03:22:52,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:22:52,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1787680092] [2024-11-28 03:22:52,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:52,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:22:52,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:22:52,997 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:22:53,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:22:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:53,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:22:53,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:22:53,174 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 03:22:53,176 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:22:53,176 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:22:53,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787680092] [2024-11-28 03:22:53,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787680092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:53,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:53,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 03:22:53,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682394500] [2024-11-28 03:22:53,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:53,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 03:22:53,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:22:53,179 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:22:53,179 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:22:53,182 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 37 [2024-11-28 03:22:53,183 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 30 transitions, 68 flow. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 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 03:22:53,183 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:22:53,183 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 37 [2024-11-28 03:22:53,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:22:53,344 INFO L124 PetriNetUnfolderBase]: 159/379 cut-off events. [2024-11-28 03:22:53,344 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2024-11-28 03:22:53,346 INFO L83 FinitePrefix]: Finished finitePrefix Result has 703 conditions, 379 events. 159/379 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2054 event pairs, 159 based on Foata normal form. 16/372 useless extension candidates. Maximal degree in co-relation 693. Up to 280 conditions per place. [2024-11-28 03:22:53,351 INFO L140 encePairwiseOnDemand]: 35/37 looper letters, 14 selfloop transitions, 1 changer transitions 1/29 dead transitions. [2024-11-28 03:22:53,351 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 29 transitions, 98 flow [2024-11-28 03:22:53,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:22:53,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 03:22:53,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 62 transitions. [2024-11-28 03:22:53,354 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5585585585585585 [2024-11-28 03:22:53,355 INFO L175 Difference]: Start difference. First operand has 38 places, 30 transitions, 68 flow. Second operand 3 states and 62 transitions. [2024-11-28 03:22:53,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 29 transitions, 98 flow [2024-11-28 03:22:53,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 29 transitions, 94 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 03:22:53,356 INFO L231 Difference]: Finished difference. Result has 36 places, 28 transitions, 62 flow [2024-11-28 03:22:53,356 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 03:22:53,359 INFO L279 CegarLoopForPetriNet]: 40 programPoint places, -4 predicate places. [2024-11-28 03:22:53,360 INFO L471 AbstractCegarLoop]: Abstraction has has 36 places, 28 transitions, 62 flow [2024-11-28 03:22:53,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 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 03:22:53,360 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:22:53,361 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:22:53,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 03:22:53,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:22:53,563 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 03:22:53,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:53,564 INFO L85 PathProgramCache]: Analyzing trace with hash -868433568, now seen corresponding path program 1 times [2024-11-28 03:22:53,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:22:53,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1040451118] [2024-11-28 03:22:53,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:53,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:22:53,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:22:53,568 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:22:53,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:22:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:53,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:22:53,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:22:53,741 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 03:22:53,743 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:22:53,743 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:22:53,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040451118] [2024-11-28 03:22:53,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040451118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:53,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:53,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 03:22:53,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146473490] [2024-11-28 03:22:53,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:53,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:22:53,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:22:53,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:22:53,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:22:53,754 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 37 [2024-11-28 03:22:53,754 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 28 transitions, 62 flow. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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 03:22:53,755 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:22:53,755 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 37 [2024-11-28 03:22:53,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:22:54,042 INFO L124 PetriNetUnfolderBase]: 198/442 cut-off events. [2024-11-28 03:22:54,042 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:22:54,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 822 conditions, 442 events. 198/442 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2172 event pairs, 38 based on Foata normal form. 25/452 useless extension candidates. Maximal degree in co-relation 816. Up to 191 conditions per place. [2024-11-28 03:22:54,052 INFO L140 encePairwiseOnDemand]: 32/37 looper letters, 31 selfloop transitions, 4 changer transitions 1/46 dead transitions. [2024-11-28 03:22:54,052 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 46 transitions, 172 flow [2024-11-28 03:22:54,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:22:54,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 03:22:54,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 90 transitions. [2024-11-28 03:22:54,054 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6081081081081081 [2024-11-28 03:22:54,054 INFO L175 Difference]: Start difference. First operand has 36 places, 28 transitions, 62 flow. Second operand 4 states and 90 transitions. [2024-11-28 03:22:54,054 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 46 transitions, 172 flow [2024-11-28 03:22:54,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 46 transitions, 171 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:22:54,061 INFO L231 Difference]: Finished difference. Result has 39 places, 30 transitions, 87 flow [2024-11-28 03:22:54,061 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 03:22:54,062 INFO L279 CegarLoopForPetriNet]: 40 programPoint places, -1 predicate places. [2024-11-28 03:22:54,063 INFO L471 AbstractCegarLoop]: Abstraction has has 39 places, 30 transitions, 87 flow [2024-11-28 03:22:54,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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 03:22:54,063 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:22:54,064 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 03:22:54,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 03:22:54,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:22:54,268 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 03:22:54,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:54,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1740384581, now seen corresponding path program 1 times [2024-11-28 03:22:54,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:22:54,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [574146650] [2024-11-28 03:22:54,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:54,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:22:54,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:22:54,276 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:22:54,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:22:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:54,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:22:54,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:22:54,451 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 03:22:54,451 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:22:54,452 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:22:54,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574146650] [2024-11-28 03:22:54,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574146650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:54,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:54,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:22:54,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828244405] [2024-11-28 03:22:54,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:54,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:22:54,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:22:54,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:22:54,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:22:54,467 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 37 [2024-11-28 03:22:54,467 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 30 transitions, 87 flow. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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 03:22:54,467 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:22:54,468 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 37 [2024-11-28 03:22:54,468 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:22:54,666 INFO L124 PetriNetUnfolderBase]: 102/229 cut-off events. [2024-11-28 03:22:54,666 INFO L125 PetriNetUnfolderBase]: For 63/63 co-relation queries the response was YES. [2024-11-28 03:22:54,667 INFO L83 FinitePrefix]: Finished finitePrefix Result has 527 conditions, 229 events. 102/229 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 780 event pairs, 26 based on Foata normal form. 16/235 useless extension candidates. Maximal degree in co-relation 518. Up to 86 conditions per place. [2024-11-28 03:22:54,669 INFO L140 encePairwiseOnDemand]: 32/37 looper letters, 26 selfloop transitions, 6 changer transitions 1/43 dead transitions. [2024-11-28 03:22:54,669 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 43 transitions, 184 flow [2024-11-28 03:22:54,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:22:54,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-28 03:22:54,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 100 transitions. [2024-11-28 03:22:54,671 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5405405405405406 [2024-11-28 03:22:54,671 INFO L175 Difference]: Start difference. First operand has 39 places, 30 transitions, 87 flow. Second operand 5 states and 100 transitions. [2024-11-28 03:22:54,671 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 43 transitions, 184 flow [2024-11-28 03:22:54,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 43 transitions, 175 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-28 03:22:54,674 INFO L231 Difference]: Finished difference. Result has 43 places, 30 transitions, 103 flow [2024-11-28 03:22:54,674 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 03:22:54,675 INFO L279 CegarLoopForPetriNet]: 40 programPoint places, 3 predicate places. [2024-11-28 03:22:54,675 INFO L471 AbstractCegarLoop]: Abstraction has has 43 places, 30 transitions, 103 flow [2024-11-28 03:22:54,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 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 03:22:54,676 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:22:54,676 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 03:22:54,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 03:22:54,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:22:54,877 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 03:22:54,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:54,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1591535118, now seen corresponding path program 1 times [2024-11-28 03:22:54,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:22:54,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [778196573] [2024-11-28 03:22:54,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:22:54,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:22:54,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:22:54,883 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:22:54,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:22:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:22:55,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-28 03:22:55,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:22:55,569 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 03:22:55,569 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:22:55,569 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:22:55,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [778196573] [2024-11-28 03:22:55,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [778196573] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:55,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:55,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:22:55,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428866698] [2024-11-28 03:22:55,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:55,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:22:55,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:22:55,571 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:22:55,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:22:55,611 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 37 [2024-11-28 03:22:55,612 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 30 transitions, 103 flow. Second operand has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 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 03:22:55,613 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:22:55,613 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 37 [2024-11-28 03:22:55,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:22:56,161 INFO L124 PetriNetUnfolderBase]: 99/249 cut-off events. [2024-11-28 03:22:56,161 INFO L125 PetriNetUnfolderBase]: For 101/101 co-relation queries the response was YES. [2024-11-28 03:22:56,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 574 conditions, 249 events. 99/249 cut-off events. For 101/101 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 912 event pairs, 19 based on Foata normal form. 4/247 useless extension candidates. Maximal degree in co-relation 563. Up to 59 conditions per place. [2024-11-28 03:22:56,164 INFO L140 encePairwiseOnDemand]: 28/37 looper letters, 23 selfloop transitions, 4 changer transitions 20/60 dead transitions. [2024-11-28 03:22:56,164 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 60 transitions, 271 flow [2024-11-28 03:22:56,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:22:56,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-28 03:22:56,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 188 transitions. [2024-11-28 03:22:56,167 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5081081081081081 [2024-11-28 03:22:56,167 INFO L175 Difference]: Start difference. First operand has 43 places, 30 transitions, 103 flow. Second operand 10 states and 188 transitions. [2024-11-28 03:22:56,167 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 60 transitions, 271 flow [2024-11-28 03:22:56,169 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 60 transitions, 234 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-28 03:22:56,171 INFO L231 Difference]: Finished difference. Result has 51 places, 30 transitions, 95 flow [2024-11-28 03:22:56,171 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=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=95, PETRI_PLACES=51, PETRI_TRANSITIONS=30} [2024-11-28 03:22:56,172 INFO L279 CegarLoopForPetriNet]: 40 programPoint places, 11 predicate places. [2024-11-28 03:22:56,173 INFO L471 AbstractCegarLoop]: Abstraction has has 51 places, 30 transitions, 95 flow [2024-11-28 03:22:56,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.666666666666666) internal successors, (141), 9 states have internal predecessors, (141), 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 03:22:56,173 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:22:56,173 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 03:22:56,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 03:22:56,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:22:56,378 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 03:22:56,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:56,379 INFO L85 PathProgramCache]: Analyzing trace with hash -357534144, now seen corresponding path program 2 times [2024-11-28 03:22:56,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:22:56,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [923566329] [2024-11-28 03:22:56,380 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:22:56,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:22:56,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:22:56,382 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:22:56,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 03:22:56,516 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:22:56,517 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:22:56,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 03:22:56,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:22:56,743 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 03:22:56,743 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:22:56,743 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:22:56,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923566329] [2024-11-28 03:22:56,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [923566329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:22:56,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:22:56,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:22:56,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668639276] [2024-11-28 03:22:56,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:22:56,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:22:56,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:22:56,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:22:56,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:22:56,797 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 37 [2024-11-28 03:22:56,798 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 30 transitions, 95 flow. Second operand has 10 states, 10 states have (on average 11.9) internal successors, (119), 10 states have internal predecessors, (119), 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 03:22:56,798 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:22:56,798 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 37 [2024-11-28 03:22:56,798 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:22:57,341 INFO L124 PetriNetUnfolderBase]: 201/449 cut-off events. [2024-11-28 03:22:57,341 INFO L125 PetriNetUnfolderBase]: For 114/115 co-relation queries the response was YES. [2024-11-28 03:22:57,342 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1042 conditions, 449 events. 201/449 cut-off events. For 114/115 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1834 event pairs, 57 based on Foata normal form. 8/451 useless extension candidates. Maximal degree in co-relation 1029. Up to 127 conditions per place. [2024-11-28 03:22:57,344 INFO L140 encePairwiseOnDemand]: 28/37 looper letters, 24 selfloop transitions, 5 changer transitions 46/82 dead transitions. [2024-11-28 03:22:57,344 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 82 transitions, 399 flow [2024-11-28 03:22:57,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:22:57,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-28 03:22:57,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 197 transitions. [2024-11-28 03:22:57,346 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4436936936936937 [2024-11-28 03:22:57,347 INFO L175 Difference]: Start difference. First operand has 51 places, 30 transitions, 95 flow. Second operand 12 states and 197 transitions. [2024-11-28 03:22:57,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 82 transitions, 399 flow [2024-11-28 03:22:57,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 82 transitions, 357 flow, removed 10 selfloop flow, removed 8 redundant places. [2024-11-28 03:22:57,352 INFO L231 Difference]: Finished difference. Result has 57 places, 30 transitions, 107 flow [2024-11-28 03:22:57,352 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=79, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=107, PETRI_PLACES=57, PETRI_TRANSITIONS=30} [2024-11-28 03:22:57,353 INFO L279 CegarLoopForPetriNet]: 40 programPoint places, 17 predicate places. [2024-11-28 03:22:57,353 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 30 transitions, 107 flow [2024-11-28 03:22:57,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.9) internal successors, (119), 10 states have internal predecessors, (119), 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 03:22:57,354 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:22:57,354 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 03:22:57,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 03:22:57,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:22:57,559 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [P0Err0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (and 3 more)] === [2024-11-28 03:22:57,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:22:57,560 INFO L85 PathProgramCache]: Analyzing trace with hash -935018700, now seen corresponding path program 3 times [2024-11-28 03:22:57,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:22:57,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1954735974] [2024-11-28 03:22:57,560 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:22:57,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:22:57,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:22:57,565 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:22:57,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 03:22:57,674 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 03:22:57,674 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-28 03:22:57,674 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:22:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:22:57,796 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-28 03:22:57,796 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:22:57,798 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (5 of 6 remaining) [2024-11-28 03:22:57,800 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (4 of 6 remaining) [2024-11-28 03:22:57,800 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (3 of 6 remaining) [2024-11-28 03:22:57,800 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-11-28 03:22:57,800 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-11-28 03:22:57,801 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 6 remaining) [2024-11-28 03:22:57,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 03:22:58,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:22:58,002 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1] [2024-11-28 03:22:58,097 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 03:22:58,097 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:22:58,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:22:58 BasicIcfg [2024-11-28 03:22:58,104 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:22:58,105 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:22:58,105 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:22:58,105 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:22:58,106 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:22:51" (3/4) ... [2024-11-28 03:22:58,112 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:22:58,113 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:22:58,114 INFO L158 Benchmark]: Toolchain (without parser) took 8494.39ms. Allocated memory was 83.9MB in the beginning and 151.0MB in the end (delta: 67.1MB). Free memory was 57.6MB in the beginning and 87.8MB in the end (delta: -30.2MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2024-11-28 03:22:58,115 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 83.9MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:22:58,115 INFO L158 Benchmark]: CACSL2BoogieTranslator took 786.60ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 34.7MB in the end (delta: 22.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:22:58,116 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.20ms. Allocated memory is still 83.9MB. Free memory was 34.7MB in the beginning and 32.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:22:58,116 INFO L158 Benchmark]: Boogie Preprocessor took 90.53ms. Allocated memory is still 83.9MB. Free memory was 32.5MB in the beginning and 29.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:22:58,117 INFO L158 Benchmark]: RCFGBuilder took 1170.44ms. Allocated memory was 83.9MB in the beginning and 125.8MB in the end (delta: 41.9MB). Free memory was 29.8MB in the beginning and 76.4MB in the end (delta: -46.6MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-11-28 03:22:58,117 INFO L158 Benchmark]: TraceAbstraction took 6338.84ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 75.9MB in the beginning and 87.8MB in the end (delta: -11.9MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-11-28 03:22:58,118 INFO L158 Benchmark]: Witness Printer took 8.47ms. Allocated memory is still 151.0MB. Free memory was 87.8MB in the beginning and 87.8MB in the end (delta: 10.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:22:58,123 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 83.9MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 786.60ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 34.7MB in the end (delta: 22.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.20ms. Allocated memory is still 83.9MB. Free memory was 34.7MB in the beginning and 32.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 90.53ms. Allocated memory is still 83.9MB. Free memory was 32.5MB in the beginning and 29.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1170.44ms. Allocated memory was 83.9MB in the beginning and 125.8MB in the end (delta: 41.9MB). Free memory was 29.8MB in the beginning and 76.4MB in the end (delta: -46.6MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * TraceAbstraction took 6338.84ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 75.9MB in the beginning and 87.8MB in the end (delta: -11.9MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Witness Printer took 8.47ms. Allocated memory is still 151.0MB. Free memory was 87.8MB in the beginning and 87.8MB in the end (delta: 10.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 17. Possible FailurePath: [L708] 0 int __unbuffered_cnt = 0; [L710] 0 int __unbuffered_p1_EAX = 0; [L712] 0 int __unbuffered_p1_EBX = 0; [L713] 0 _Bool main$tmp_guard0; [L714] 0 _Bool main$tmp_guard1; [L716] 0 int x = 0; [L717] 0 _Bool x$flush_delayed; [L718] 0 int x$mem_tmp; [L719] 0 _Bool x$r_buff0_thd0; [L720] 0 _Bool x$r_buff0_thd1; [L721] 0 _Bool x$r_buff0_thd2; [L722] 0 _Bool x$r_buff1_thd0; [L723] 0 _Bool x$r_buff1_thd1; [L724] 0 _Bool x$r_buff1_thd2; [L725] 0 _Bool x$read_delayed; [L726] 0 int *x$read_delayed_var; [L727] 0 int x$w_buff0; [L728] 0 _Bool x$w_buff0_used; [L729] 0 int x$w_buff1; [L730] 0 _Bool x$w_buff1_used; [L732] 0 int y = 0; [L734] 0 int z = 0; [L735] 0 _Bool weak$$choice0; [L736] 0 _Bool weak$$choice2; [L815] 0 pthread_t t1601; [L816] FCALL, FORK 0 pthread_create(&t1601, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1601=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0, z=0] [L740] 1 x$w_buff1 = x$w_buff0 [L741] 1 x$w_buff0 = 1 [L742] 1 x$w_buff1_used = x$w_buff0_used [L743] 1 x$w_buff0_used = (_Bool)1 [L744] CALL 1 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L18] COND FALSE 1 !(!expression) [L744] RET 1 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used)) [L745] 1 x$r_buff1_thd0 = x$r_buff0_thd0 [L746] 1 x$r_buff1_thd1 = x$r_buff0_thd1 [L747] 1 x$r_buff1_thd2 = x$r_buff0_thd2 [L748] 1 x$r_buff0_thd1 = (_Bool)1 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0, z=0] [L817] 0 pthread_t t1602; [L818] FCALL, FORK 0 pthread_create(&t1602, ((void *)0), P1, ((void *)0)) VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1601=0, t1602=1, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0, z=0] [L751] 1 y = 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=1, z=0] [L768] 2 y = 2 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=2, z=0] [L771] 2 z = 1 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=2, z=1] [L774] 2 __unbuffered_p1_EAX = z VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=2, z=1] [L777] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L778] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L779] 2 x$flush_delayed = weak$$choice2 [L780] 2 x$mem_tmp = x [L781] 2 x = !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L782] 2 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L783] 2 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L784] 2 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L785] 2 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L786] 2 x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L787] 2 x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L788] 2 __unbuffered_p1_EBX = x [L789] 2 x = x$flush_delayed ? x$mem_tmp : x [L790] 2 x$flush_delayed = (_Bool)0 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=2, z=1] [L754] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L755] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L756] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L757] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L758] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2, z=1] [L793] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L794] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L795] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L796] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L797] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2, z=1] [L761] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2, z=1] [L800] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2, z=1] [L820] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1601=0, t1602=1, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2, z=1] [L822] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) [L822] RET 0 assume_abort_if_not(main$tmp_guard0) [L824] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L825] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L826] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L827] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L828] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1601=0, t1602=1, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2, z=1] [L831] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1601=0, t1602=1, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2, z=1] [L833] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression [L18] CALL 0 reach_error() [L17] COND FALSE 0 !(0) VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2, z=1] [L17] 0 __assert_fail ("0", "rfi001_power.oepc_pso.oepc_rmo.oepc.c", 8, __extension__ __PRETTY_FUNCTION__) VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=2, z=1] - UnprovableResult [Line: 17]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 813]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 818]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 816]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 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: 6.1s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 205 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 194 mSDsluCounter, 86 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 80 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 689 IncrementalHoareTripleChecker+Invalid, 706 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 6 mSDtfsCounter, 689 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=107occurred in iteration=6, InterpolantAutomatonStates: 37, 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: 0.2s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 123 NumberOfCodeBlocks, 123 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 368 SizeOfPredicates, 13 NumberOfNonLiveVariables, 493 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 03:22:58,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe377985-88ca-47c4-91bb-a30b3fd7cac6/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: UNKNOWN: Overapproximated counterexample